diff --git a/phpcheckstyle.cfg b/phpcheckstyle.cfg
index 86fe4336..554ef6f2 100644
--- a/phpcheckstyle.cfg
+++ b/phpcheckstyle.cfg
@@ -145,12 +145,6 @@
     <!--    Indentation     -->
     <!--  ****************  -->
 
-    <!-- Tests to make sure that a line does not contain the tab character. -->
-    <test name="indentation">  <!-- noTabs -->
-        <property name="type" value="tabs"/> <!-- tabs or spaces -->
-        <property name="number" value="4"/> <!-- number of spaces if type = spaces -->
-    </test>
-
     <!-- Check the position of the open curly brace in a control structure (if) -->
     <!-- sl = same line -->
     <!-- nl = new line -->
diff --git a/src/Dao/FileDao.php b/src/Dao/FileDao.php
index 83a40146..d4072e2a 100644
--- a/src/Dao/FileDao.php
+++ b/src/Dao/FileDao.php
@@ -70,9 +70,9 @@ class FileDao implements IFileDao
         $from = explode('/', str_replace('\\', '/', $from));
         $to = explode('/', str_replace('\\', '/', $to));
         $relPath = $to;
-        foreach($from as $depth => $dir)
+        foreach ($from as $depth => $dir)
         {
-            if($dir === $to[$depth])
+            if ($dir === $to[$depth])
             {
                 array_shift($relPath);
             }
diff --git a/src/Helpers/EnumHelper.php b/src/Helpers/EnumHelper.php
index 2e4aa26d..b0a84df7 100644
--- a/src/Helpers/EnumHelper.php
+++ b/src/Helpers/EnumHelper.php
@@ -108,7 +108,7 @@ class EnumHelper
             throw new \DomainException(sprintf(
                 'Unrecognized value: %s.' . PHP_EOL . 'Possible values: %s',
                 $enumString,
-                join(', ', array_keys($lowerEnumMap))));
+                implode(', ', array_keys($lowerEnumMap))));
         }
 
         return $lowerEnumMap[$key];
diff --git a/src/Helpers/HttpHelper.php b/src/Helpers/HttpHelper.php
index 45641087..47e256a3 100644
--- a/src/Helpers/HttpHelper.php
+++ b/src/Helpers/HttpHelper.php
@@ -39,7 +39,7 @@ class HttpHelper
         $result = [];
         foreach ($_SERVER as $key => $value)
         {
-            if (substr($key, 0, 5) == "HTTP_")
+            if (substr($key, 0, 5) === "HTTP_")
             {
                 $key = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($key, 5)))));
                 $result[$key] = $value;
diff --git a/src/Search/ParserConfigs/AbstractSearchParserConfig.php b/src/Search/ParserConfigs/AbstractSearchParserConfig.php
index 0874cfa2..ed7fce92 100644
--- a/src/Search/ParserConfigs/AbstractSearchParserConfig.php
+++ b/src/Search/ParserConfigs/AbstractSearchParserConfig.php
@@ -33,7 +33,12 @@ abstract class AbstractSearchParserConfig
 
         throw new NotSupportedException('Unknown order term: ' . $tokenValue
             . '. Possible order terms: '
-            . join(', ', array_map(function($term) { return join('/', $term[0]); }, $map)));
+            . implode(
+                ', ',
+                array_map(function($term)
+                {
+                    return implode('/', $term[0]);
+                }, $map)));
     }
 
     public function getRequirementForBasicToken(SearchToken $token)
@@ -118,7 +123,7 @@ abstract class AbstractSearchParserConfig
 
     protected function defineOrder($columnName, array $aliases)
     {
-        $this->orderAliasMap []= [$aliases, $columnName];
+        $this->orderAliasMap[] = [$aliases, $columnName];
     }
 
     protected function defineBasicTokenParser($parser)
@@ -135,7 +140,7 @@ abstract class AbstractSearchParserConfig
         $item->columnName = $columnName;
         $item->aliases = $aliases;
         $item->flagsOrCallback = $flagsOrCallback;
-        $this->namedTokenParsers []= $item;
+        $this->namedTokenParsers[] = $item;
     }
 
     protected function defineSpecialTokenParser(
@@ -145,7 +150,7 @@ abstract class AbstractSearchParserConfig
         $item = new \StdClass;
         $item->aliases = $aliases;
         $item->callback = $callback;
-        $this->specialTokenParsers []= $item;
+        $this->specialTokenParsers[] = $item;
     }
 
     protected static function createRequirementValue(
@@ -261,6 +266,11 @@ abstract class AbstractSearchParserConfig
         throw new NotSupportedException(
             'Unknown search key: ' . $key
             . '. Possible search keys: '
-            . join(', ', array_map(function($item) { return join('/', $item->aliases); }, $parsers)));
+            . implode(
+                ', ',
+                array_map(function($item)
+                {
+                    return implode('/', $item->aliases);
+                }, $parsers)));
     }
 }
diff --git a/src/Search/SearchParser.php b/src/Search/SearchParser.php
index e02d79b2..94171507 100644
--- a/src/Search/SearchParser.php
+++ b/src/Search/SearchParser.php
@@ -90,7 +90,7 @@ class SearchParser
 
             if ($negated)
             {
-                $orderDir = $orderDir == IFilter::ORDER_DESC
+                $orderDir = $orderDir === IFilter::ORDER_DESC
                     ? IFilter::ORDER_ASC
                     : IFilter::ORDER_DESC;
             }
diff --git a/src/Services/HistoryService.php b/src/Services/HistoryService.php
index e0b5c1ed..cda482f1 100644
--- a/src/Services/HistoryService.php
+++ b/src/Services/HistoryService.php
@@ -106,7 +106,7 @@ class HistoryService
                     foreach ($base[$key] as $subValue)
                     {
                         if (!isset($other[$key]) || !in_array($subValue, $other[$key]))
-                            $result[$key] []= $subValue;
+                            $result[$key][] = $subValue;
                     }
                     if (empty($result[$key]))
                         unset($result[$key]);
diff --git a/src/Services/ImageConverter.php b/src/Services/ImageConverter.php
index e9b6be7a..80e97b7e 100644
--- a/src/Services/ImageConverter.php
+++ b/src/Services/ImageConverter.php
@@ -110,11 +110,11 @@ class ImageConverter
 
     private function convertWithPrograms($programs, $targetPath)
     {
-        $any_program_available = false;
+        $anyProgramAvailable = false;
         foreach ($programs as $program => $args)
-            $any_program_available |= ProgramExecutor::isProgramAvailable($program);
-        if (!$any_program_available)
-            throw new \Exception('No converter available (tried ' . join(', ', array_keys($programs)) . ')');
+            $anyProgramAvailable |= ProgramExecutor::isProgramAvailable($program);
+        if (!$anyProgramAvailable)
+            throw new \Exception('No converter available (tried ' . implode(', ', array_keys($programs)) . ')');
 
         $errors = [];
         foreach ($programs as $program => $args)
@@ -127,7 +127,7 @@ class ImageConverter
             }
         }
 
-        throw new \Exception('Error while converting file to image: ' . join(', ', $errors));
+        throw new \Exception('Error while converting file to image: ' . implode(', ', $errors));
     }
 
     private function deleteIfExists($path)
diff --git a/src/Services/ImageManipulation/ImagickImageManipulator.php b/src/Services/ImageManipulation/ImagickImageManipulator.php
index ada1b540..687a12f0 100644
--- a/src/Services/ImageManipulation/ImagickImageManipulator.php
+++ b/src/Services/ImageManipulation/ImagickImageManipulator.php
@@ -7,7 +7,7 @@ class ImagickImageManipulator implements IImageManipulator
     {
         $image = new \Imagick();
         $image->readImageBlob($source);
-        if ($image->getImageFormat() == 'GIF')
+        if ($image->getImageFormat() === 'GIF')
             $image = $image->coalesceImages();
         return $image;
     }
diff --git a/src/Upgrades/Upgrade34.php b/src/Upgrades/Upgrade34.php
index 145d68b0..f825ca47 100644
--- a/src/Upgrades/Upgrade34.php
+++ b/src/Upgrades/Upgrade34.php
@@ -22,7 +22,7 @@ class Upgrade34 implements IUpgrade
                     {
                         if (!is_array($target))
                             $target = [$target];
-                        $target []= $item[1];
+                        $target[] = $item[1];
                     }
                     else
                     {
diff --git a/src/Upgrades/Upgrade38.php b/src/Upgrades/Upgrade38.php
index e028fcbf..8f08877c 100644
--- a/src/Upgrades/Upgrade38.php
+++ b/src/Upgrades/Upgrade38.php
@@ -41,7 +41,9 @@ class Upgrade38 implements IUpgrade
                     $post->setContentType(Post::POST_TYPE_ANIMATED_IMAGE);
                     $this->postDao->save($post);
                 }
-                if (++ $progress == 100)
+
+                $progress++;
+                if ($progress === 100)
                 {
                     echo '.';
                     $progress = 0;
diff --git a/tests/AbstractDatabaseTestCase.php b/tests/AbstractDatabaseTestCase.php
index 3bb1084d..5daae03a 100644
--- a/tests/AbstractDatabaseTestCase.php
+++ b/tests/AbstractDatabaseTestCase.php
@@ -11,58 +11,58 @@ use Szurubooru\Tests\AbstractTestCase;
 
 abstract class AbstractDatabaseTestCase extends AbstractTestCase
 {
-	protected $databaseConnection;
+    protected $databaseConnection;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$realConfig = Injector::get(Config::class);
-		$config = $this->mockConfig($this->createTestDirectory());
-		$config->set('database/dsn', $realConfig->database->tests->dsn);
-		$config->set('database/user', $realConfig->database->tests->user);
-		$config->set('database/password', $realConfig->database->tests->password);
+    public function setUp()
+    {
+        parent::setUp();
+        $realConfig = Injector::get(Config::class);
+        $config = $this->mockConfig($this->createTestDirectory());
+        $config->set('database/dsn', $realConfig->database->tests->dsn);
+        $config->set('database/user', $realConfig->database->tests->user);
+        $config->set('database/password', $realConfig->database->tests->password);
 
-		$this->databaseConnection = new DatabaseConnection($config);
-		$this->databaseConnection->getPDO()->exec('USE szuru_test');
-		$this->databaseConnection->getPDO()->beginTransaction();
-		Injector::set(DatabaseConnection::class, $this->databaseConnection);
-	}
+        $this->databaseConnection = new DatabaseConnection($config);
+        $this->databaseConnection->getPDO()->exec('USE szuru_test');
+        $this->databaseConnection->getPDO()->beginTransaction();
+        Injector::set(DatabaseConnection::class, $this->databaseConnection);
+    }
 
-	public function tearDown()
-	{
-		$this->databaseConnection->getPDO()->rollBack();
-		parent::tearDown();
-		if ($this->databaseConnection)
-			$this->databaseConnection->close();
-	}
+    public function tearDown()
+    {
+        $this->databaseConnection->getPDO()->rollBack();
+        parent::tearDown();
+        if ($this->databaseConnection)
+            $this->databaseConnection->close();
+    }
 
-	protected static function getTestTag($name = 'test')
-	{
-		$tag = new Tag();
-		$tag->setName($name);
-		$tag->setCreationTime(date('c'));
-		return $tag;
-	}
+    protected static function getTestTag($name = 'test')
+    {
+        $tag = new Tag();
+        $tag->setName($name);
+        $tag->setCreationTime(date('c'));
+        return $tag;
+    }
 
-	protected static function getTestPost()
-	{
-		$post = new Post();
-		$post->setName('test');
-		$post->setUploadTime(date('c'));
-		$post->setSafety(Post::POST_SAFETY_SAFE);
-		$post->setContentType(Post::POST_TYPE_YOUTUBE);
-		$post->setContentChecksum('whatever');
-		return $post;
-	}
+    protected static function getTestPost()
+    {
+        $post = new Post();
+        $post->setName('test');
+        $post->setUploadTime(date('c'));
+        $post->setSafety(Post::POST_SAFETY_SAFE);
+        $post->setContentType(Post::POST_TYPE_YOUTUBE);
+        $post->setContentChecksum('whatever');
+        return $post;
+    }
 
-	protected static function getTestUser($userName = 'test')
-	{
-		$user = new User();
-		$user->setName($userName);
-		$user->setPasswordHash('whatever');
-		$user->setLastLoginTime(date('c', mktime(1, 2, 3)));
-		$user->setRegistrationTime(date('c', mktime(3, 2, 1)));
-		$user->setAccessRank(User::ACCESS_RANK_REGULAR_USER);
-		return $user;
-	}
+    protected static function getTestUser($userName = 'test')
+    {
+        $user = new User();
+        $user->setName($userName);
+        $user->setPasswordHash('whatever');
+        $user->setLastLoginTime(date('c', mktime(1, 2, 3)));
+        $user->setRegistrationTime(date('c', mktime(3, 2, 1)));
+        $user->setAccessRank(User::ACCESS_RANK_REGULAR_USER);
+        return $user;
+    }
 }
diff --git a/tests/AbstractTestCase.php b/tests/AbstractTestCase.php
index 39b55dcb..41c798b4 100644
--- a/tests/AbstractTestCase.php
+++ b/tests/AbstractTestCase.php
@@ -5,73 +5,73 @@ use Szurubooru\Injector;
 
 abstract class AbstractTestCase extends \PHPUnit_Framework_TestCase
 {
-	protected function setUp()
-	{
-		Injector::init();
-		date_default_timezone_set('UTC');
-	}
+    protected function setUp()
+    {
+        Injector::init();
+        date_default_timezone_set('UTC');
+    }
 
-	protected function tearDown()
-	{
-		TestHelper::cleanTestDirectory();
-	}
+    protected function tearDown()
+    {
+        TestHelper::cleanTestDirectory();
+    }
 
-	protected function mock($className)
-	{
-		return $this->getMockBuilder($className)->disableOriginalConstructor()->getMock();
-	}
+    protected function mock($className)
+    {
+        return $this->getMockBuilder($className)->disableOriginalConstructor()->getMock();
+    }
 
-	protected function mockTransactionManager()
-	{
-		return new TransactionManagerMock($this->mock(DatabaseConnection::class));
-	}
+    protected function mockTransactionManager()
+    {
+        return new TransactionManagerMock($this->mock(DatabaseConnection::class));
+    }
 
-	protected function mockConfig($dataPath = null, $publicDataPath = null)
-	{
-		return TestHelper::mockConfig($dataPath, $publicDataPath);
-	}
+    protected function mockConfig($dataPath = null, $publicDataPath = null)
+    {
+        return TestHelper::mockConfig($dataPath, $publicDataPath);
+    }
 
-	protected function createTestDirectory()
-	{
-		return TestHelper::createTestDirectory();
-	}
+    protected function createTestDirectory()
+    {
+        return TestHelper::createTestDirectory();
+    }
 
-	protected function getTestFile($fileName)
-	{
-		return TestHelper::getTestFile($fileName);
-	}
+    protected function getTestFile($fileName)
+    {
+        return TestHelper::getTestFile($fileName);
+    }
 
-	protected function getTestFilePath($fileName)
-	{
-		return TestHelper::getTestFilePath($fileName);
-	}
+    protected function getTestFilePath($fileName)
+    {
+        return TestHelper::getTestFilePath($fileName);
+    }
 
-	protected function assertEntitiesEqual($expected, $actual)
-	{
-		if (!is_array($expected))
-		{
-			$expected = [$expected];
-			$actual = [$actual];
-		}
-		$this->assertEquals(count($expected), count($actual), 'Unmatching array sizes');
-		$this->assertEquals(array_keys($expected), array_keys($actual), 'Unmatching array keys');
-		foreach (array_keys($expected) as $key)
-		{
-			if ($expected[$key] === null)
-			{
-				$this->assertNull($actual[$key]);
-			}
-			else
-			{
-				$this->assertNotNull($actual[$key]);
-				$expectedEntity = clone($expected[$key]);
-				$actualEntity = clone($actual[$key]);
-				$expectedEntity->resetLazyLoaders();
-				$expectedEntity->resetMeta();
-				$actualEntity->resetLazyLoaders();
-				$actualEntity->resetMeta();
-				$this->assertEquals($expectedEntity, $actualEntity);
-			}
-		}
-	}
+    protected function assertEntitiesEqual($expected, $actual)
+    {
+        if (!is_array($expected))
+        {
+            $expected = [$expected];
+            $actual = [$actual];
+        }
+        $this->assertEquals(count($expected), count($actual), 'Unmatching array sizes');
+        $this->assertEquals(array_keys($expected), array_keys($actual), 'Unmatching array keys');
+        foreach (array_keys($expected) as $key)
+        {
+            if ($expected[$key] === null)
+            {
+                $this->assertNull($actual[$key]);
+            }
+            else
+            {
+                $this->assertNotNull($actual[$key]);
+                $expectedEntity = clone($expected[$key]);
+                $actualEntity = clone($actual[$key]);
+                $expectedEntity->resetLazyLoaders();
+                $expectedEntity->resetMeta();
+                $actualEntity->resetLazyLoaders();
+                $actualEntity->resetMeta();
+                $this->assertEquals($expectedEntity, $actualEntity);
+            }
+        }
+    }
 }
diff --git a/tests/ConfigMock.php b/tests/ConfigMock.php
index 0893bf2e..4e6e383e 100644
--- a/tests/ConfigMock.php
+++ b/tests/ConfigMock.php
@@ -4,17 +4,17 @@ use Szurubooru\Config;
 
 final class ConfigMock extends Config
 {
-	public function set($key, $value)
-	{
-		$keys = preg_split('/[\\/]/', $key);
-		$current = $this;
-		$lastKey = array_pop($keys);
-		foreach ($keys as $key)
-		{
-			if (!isset($current->$key))
-				$current->$key = new \ArrayObject([], \ArrayObject::ARRAY_AS_PROPS);
-			$current = $current->$key;
-		}
-		$current->$lastKey = $value;
-	}
+    public function set($key, $value)
+    {
+        $keys = preg_split('/[\\/]/', $key);
+        $current = $this;
+        $lastKey = array_pop($keys);
+        foreach ($keys as $key)
+        {
+            if (!isset($current->$key))
+                $current->$key = new \ArrayObject([], \ArrayObject::ARRAY_AS_PROPS);
+            $current = $current->$key;
+        }
+        $current->$lastKey = $value;
+    }
 }
diff --git a/tests/ConfigTest.php b/tests/ConfigTest.php
index 5f3cc750..18bcb51a 100644
--- a/tests/ConfigTest.php
+++ b/tests/ConfigTest.php
@@ -5,81 +5,81 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ConfigTest extends AbstractTestCase
 {
-	private $testDirectory;
-	private $baseConfigFilePath;
-	private $localConfigFilePath;
+    private $testDirectory;
+    private $baseConfigFilePath;
+    private $localConfigFilePath;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->testDirectory = $this->createTestDirectory();
-		$this->baseConfigFilePath = $this->testDirectory . DIRECTORY_SEPARATOR . 'config.ini';
-		$this->localConfigFilePath = $this->testDirectory . DIRECTORY_SEPARATOR . 'local.ini';
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->testDirectory = $this->createTestDirectory();
+        $this->baseConfigFilePath = $this->testDirectory . DIRECTORY_SEPARATOR . 'config.ini';
+        $this->localConfigFilePath = $this->testDirectory . DIRECTORY_SEPARATOR . 'local.ini';
+    }
 
-	public function testReadingNonSections()
-	{
-		file_put_contents($this->baseConfigFilePath, 'test=value');
-		$config = $this->getTestConfig();
-		$this->assertEquals('value', $config->test);
-	}
+    public function testReadingNonSections()
+    {
+        file_put_contents($this->baseConfigFilePath, 'test=value');
+        $config = $this->getTestConfig();
+        $this->assertEquals('value', $config->test);
+    }
 
-	public function testReadingUnnestedSections()
-	{
-		file_put_contents($this->baseConfigFilePath, '[test]' . PHP_EOL . 'key=value');
-		$config = $this->getTestConfig();
-		$this->assertEquals('value', $config->test->key);
-	}
+    public function testReadingUnnestedSections()
+    {
+        file_put_contents($this->baseConfigFilePath, '[test]' . PHP_EOL . 'key=value');
+        $config = $this->getTestConfig();
+        $this->assertEquals('value', $config->test->key);
+    }
 
-	public function testReadingNestedSections()
-	{
-		file_put_contents($this->baseConfigFilePath, '[test.subtest]' . PHP_EOL . 'key=value');
-		$config = $this->getTestConfig();
-		$this->assertEquals('value', $config->test->subtest->key);
-	}
+    public function testReadingNestedSections()
+    {
+        file_put_contents($this->baseConfigFilePath, '[test.subtest]' . PHP_EOL . 'key=value');
+        $config = $this->getTestConfig();
+        $this->assertEquals('value', $config->test->subtest->key);
+    }
 
-	public function testReadingMultipleNestedSections()
-	{
-		file_put_contents(
-			$this->baseConfigFilePath,
-			'[test.subtest]' . PHP_EOL . 'key=value' . PHP_EOL .
-				'[test.subtest.deeptest]' . PHP_EOL . 'key=zombie');
-		$config = $this->getTestConfig();
-		$this->assertEquals('value', $config->test->subtest->key);
-		$this->assertEquals('zombie', $config->test->subtest->deeptest->key);
-	}
+    public function testReadingMultipleNestedSections()
+    {
+        file_put_contents(
+            $this->baseConfigFilePath,
+            '[test.subtest]' . PHP_EOL . 'key=value' . PHP_EOL .
+                '[test.subtest.deeptest]' . PHP_EOL . 'key=zombie');
+        $config = $this->getTestConfig();
+        $this->assertEquals('value', $config->test->subtest->key);
+        $this->assertEquals('zombie', $config->test->subtest->deeptest->key);
+    }
 
-	public function testReadingNonExistentFiles()
-	{
-		$config = $this->getTestConfig();
-		$this->assertEquals(0, count(iterator_to_array($config->getIterator())));
-	}
+    public function testReadingNonExistentFiles()
+    {
+        $config = $this->getTestConfig();
+        $this->assertEquals(0, count(iterator_to_array($config->getIterator())));
+    }
 
-	public function testMultipleFiles()
-	{
-		file_put_contents($this->baseConfigFilePath, 'test=trash');
-		file_put_contents($this->localConfigFilePath, 'test=overridden');
-		$config = $this->getTestConfig();
-		$this->assertEquals('overridden', $config->test);
-	}
+    public function testMultipleFiles()
+    {
+        file_put_contents($this->baseConfigFilePath, 'test=trash');
+        file_put_contents($this->localConfigFilePath, 'test=overridden');
+        $config = $this->getTestConfig();
+        $this->assertEquals('overridden', $config->test);
+    }
 
-	public function testReadingUnexistingProperties()
-	{
-		file_put_contents($this->baseConfigFilePath, 'meh=value');
-		$config = $this->getTestConfig();
-		$this->assertNull($config->unexistingSection);
-	}
+    public function testReadingUnexistingProperties()
+    {
+        file_put_contents($this->baseConfigFilePath, 'meh=value');
+        $config = $this->getTestConfig();
+        $this->assertNull($config->unexistingSection);
+    }
 
-	public function testOverwritingValues()
-	{
-		file_put_contents($this->baseConfigFilePath, 'meh=value');
-		$config = $this->getTestConfig();
-		$config->newKey = 'fast';
-		$this->assertEquals('fast', $config->newKey);
-	}
+    public function testOverwritingValues()
+    {
+        file_put_contents($this->baseConfigFilePath, 'meh=value');
+        $config = $this->getTestConfig();
+        $config->newKey = 'fast';
+        $this->assertEquals('fast', $config->newKey);
+    }
 
-	private function getTestConfig()
-	{
-		return new Config($this->testDirectory, null);
-	}
+    private function getTestConfig()
+    {
+        return new Config($this->testDirectory, null);
+    }
 }
diff --git a/tests/Dao/CommentDaoTest.php b/tests/Dao/CommentDaoTest.php
index f438d870..c423afae 100644
--- a/tests/Dao/CommentDaoTest.php
+++ b/tests/Dao/CommentDaoTest.php
@@ -11,115 +11,115 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class CommentDaoTest extends AbstractDatabaseTestCase
 {
-	private $userDaoMock;
-	private $postDaoMock;
+    private $userDaoMock;
+    private $postDaoMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->userDaoMock = $this->mock(UserDao::class);
-		$this->postDaoMock = $this->mock(PostDao::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->userDaoMock = $this->mock(UserDao::class);
+        $this->postDaoMock = $this->mock(PostDao::class);
+    }
 
-	public function testSaving()
-	{
-		$user = new User(1);
-		$user->setName('olivia');
+    public function testSaving()
+    {
+        $user = new User(1);
+        $user->setName('olivia');
 
-		$post = new Post(2);
-		$post->setName('sword');
+        $post = new Post(2);
+        $post->setName('sword');
 
-		$comment = new Comment();
-		$comment->setUser($user);
-		$comment->setPost($post);
-		$comment->setCreationTime(date('c'));
-		$comment->setLastEditTime(date('c'));
-		$comment->setText('whatever');
-		$commentDao = $this->getCommentDao();
-		$commentDao->save($comment);
+        $comment = new Comment();
+        $comment->setUser($user);
+        $comment->setPost($post);
+        $comment->setCreationTime(date('c'));
+        $comment->setLastEditTime(date('c'));
+        $comment->setText('whatever');
+        $commentDao = $this->getCommentDao();
+        $commentDao->save($comment);
 
-		$this->userDaoMock->expects($this->once())->method('findById')->with(1)->willReturn($user);
-		$this->postDaoMock->expects($this->once())->method('findById')->with(2)->willReturn($post);
+        $this->userDaoMock->expects($this->once())->method('findById')->with(1)->willReturn($user);
+        $this->postDaoMock->expects($this->once())->method('findById')->with(2)->willReturn($post);
 
-		$savedComment = $commentDao->findById($comment->getId());
-		$this->assertEquals(1, $savedComment->getUserId());
-		$this->assertEquals(2, $savedComment->getPostId());
-		$this->assertEquals($comment->getCreationTime(), $savedComment->getCreationTime());
-		$this->assertEquals($comment->getLastEditTime(), $savedComment->getLastEditTime());
-		$this->assertEquals($comment->getText(), $savedComment->getText());
-		$this->assertEntitiesEqual($user, $savedComment->getUser());
-		$this->assertEntitiesEqual($post, $savedComment->getPost());
-	}
+        $savedComment = $commentDao->findById($comment->getId());
+        $this->assertEquals(1, $savedComment->getUserId());
+        $this->assertEquals(2, $savedComment->getPostId());
+        $this->assertEquals($comment->getCreationTime(), $savedComment->getCreationTime());
+        $this->assertEquals($comment->getLastEditTime(), $savedComment->getLastEditTime());
+        $this->assertEquals($comment->getText(), $savedComment->getText());
+        $this->assertEntitiesEqual($user, $savedComment->getUser());
+        $this->assertEntitiesEqual($post, $savedComment->getPost());
+    }
 
-	public function testPostMetadataSyncInsert()
-	{
-		$userDao = Injector::get(UserDao::class);
-		$postDao = Injector::get(PostDao::class);
-		$commentDao = Injector::get(CommentDao::class);
+    public function testPostMetadataSyncInsert()
+    {
+        $userDao = Injector::get(UserDao::class);
+        $postDao = Injector::get(PostDao::class);
+        $commentDao = Injector::get(CommentDao::class);
 
-		$user = self::getTestUser('olivia');
-		$userDao->save($user);
+        $user = self::getTestUser('olivia');
+        $userDao->save($user);
 
-		$post = self::getTestPost();
-		$postDao->save($post);
+        $post = self::getTestPost();
+        $postDao->save($post);
 
-		$this->assertEquals(0, $post->getCommentCount());
-		$this->assertNotNull($post->getId());
+        $this->assertEquals(0, $post->getCommentCount());
+        $this->assertNotNull($post->getId());
 
-		$comment = new Comment();
-		$comment->setUser($user);
-		$comment->setPost($post);
-		$comment->setCreationTime(date('c'));
-		$comment->setLastEditTime(date('c'));
-		$comment->setText('whatever');
-		$commentDao->save($comment);
+        $comment = new Comment();
+        $comment->setUser($user);
+        $comment->setPost($post);
+        $comment->setCreationTime(date('c'));
+        $comment->setLastEditTime(date('c'));
+        $comment->setText('whatever');
+        $commentDao->save($comment);
 
-		$post = $postDao->findById($post->getId());
-		$this->assertNotNull($post);
-		$this->assertEquals(1, $post->getCommentCount());
-	}
+        $post = $postDao->findById($post->getId());
+        $this->assertNotNull($post);
+        $this->assertEquals(1, $post->getCommentCount());
+    }
 
-	public function testPostMetadataSyncDelete()
-	{
-		$userDao = Injector::get(UserDao::class);
-		$postDao = Injector::get(PostDao::class);
-		$commentDao = Injector::get(CommentDao::class);
+    public function testPostMetadataSyncDelete()
+    {
+        $userDao = Injector::get(UserDao::class);
+        $postDao = Injector::get(PostDao::class);
+        $commentDao = Injector::get(CommentDao::class);
 
-		$user = self::getTestUser('olivia');
-		$userDao->save($user);
+        $user = self::getTestUser('olivia');
+        $userDao->save($user);
 
-		$post = self::getTestPost();
-		$postDao->save($post);
+        $post = self::getTestPost();
+        $postDao->save($post);
 
-		$this->assertEquals(0, $post->getCommentCount());
-		$this->assertNotNull($post->getId());
+        $this->assertEquals(0, $post->getCommentCount());
+        $this->assertNotNull($post->getId());
 
-		$comment = new Comment();
-		$comment->setUser($user);
-		$comment->setPost($post);
-		$comment->setCreationTime(date('c'));
-		$comment->setLastEditTime(date('c'));
-		$comment->setText('whatever');
-		$commentDao->save($comment);
+        $comment = new Comment();
+        $comment->setUser($user);
+        $comment->setPost($post);
+        $comment->setCreationTime(date('c'));
+        $comment->setLastEditTime(date('c'));
+        $comment->setText('whatever');
+        $commentDao->save($comment);
 
-		$commentDao->deleteById($comment->getId());
+        $commentDao->deleteById($comment->getId());
 
-		$this->assertNotNull($post->getId());
-		$post = $postDao->findById($post->getId());
-		$this->assertNotNull($post);
-		$this->assertEquals(0, $post->getCommentCount());
-	}
+        $this->assertNotNull($post->getId());
+        $post = $postDao->findById($post->getId());
+        $this->assertNotNull($post);
+        $this->assertEquals(0, $post->getCommentCount());
+    }
 
-	public function findByPost(Post $post)
-	{
-		return $this->findOneBy('postId', $post->getId());
-	}
+    public function findByPost(Post $post)
+    {
+        return $this->findOneBy('postId', $post->getId());
+    }
 
-	private function getCommentDao()
-	{
-		return new CommentDao(
-			$this->databaseConnection,
-			$this->userDaoMock,
-			$this->postDaoMock);
-	}
+    private function getCommentDao()
+    {
+        return new CommentDao(
+            $this->databaseConnection,
+            $this->userDaoMock,
+            $this->postDaoMock);
+    }
 }
diff --git a/tests/Dao/FavoritesDaoTest.php b/tests/Dao/FavoritesDaoTest.php
index 2216a010..2f426881 100644
--- a/tests/Dao/FavoritesDaoTest.php
+++ b/tests/Dao/FavoritesDaoTest.php
@@ -9,41 +9,41 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class FavoritesDaoTest extends AbstractDatabaseTestCase
 {
-	private $timeServiceMock;
+    private $timeServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->timeServiceMock = $this->mock(TimeService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->timeServiceMock = $this->mock(TimeService::class);
+    }
 
-	public function testSaving()
-	{
-		$user = new User(1);
-		$user->setName('olivia');
+    public function testSaving()
+    {
+        $user = new User(1);
+        $user->setName('olivia');
 
-		$post = new Post(2);
-		$post->setName('sword');
+        $post = new Post(2);
+        $post->setName('sword');
 
-		$favorite = new Favorite();
-		$favorite->setUserId($user->getId());
-		$favorite->setPostId($post->getId());
-		$favorite->setTime(date('c'));
-		$favoritesDao = $this->getFavoritesDao();
-		$favoritesDao->save($favorite);
+        $favorite = new Favorite();
+        $favorite->setUserId($user->getId());
+        $favorite->setPostId($post->getId());
+        $favorite->setTime(date('c'));
+        $favoritesDao = $this->getFavoritesDao();
+        $favoritesDao->save($favorite);
 
-		$savedFavorite = $favoritesDao->findById($favorite->getId());
-		$this->assertEquals(1, $savedFavorite->getUserId());
-		$this->assertEquals(2, $savedFavorite->getPostId());
-		$this->assertEquals($favorite->getTime(), $savedFavorite->getTime());
-		$this->assertEquals($user->getId(), $savedFavorite->getUserId());
-		$this->assertEquals($post->getId(), $savedFavorite->getPostId());
-	}
+        $savedFavorite = $favoritesDao->findById($favorite->getId());
+        $this->assertEquals(1, $savedFavorite->getUserId());
+        $this->assertEquals(2, $savedFavorite->getPostId());
+        $this->assertEquals($favorite->getTime(), $savedFavorite->getTime());
+        $this->assertEquals($user->getId(), $savedFavorite->getUserId());
+        $this->assertEquals($post->getId(), $savedFavorite->getPostId());
+    }
 
-	private function getFavoritesDao()
-	{
-		return new FavoritesDao(
-			$this->databaseConnection,
-			$this->timeServiceMock);
-	}
+    private function getFavoritesDao()
+    {
+        return new FavoritesDao(
+            $this->databaseConnection,
+            $this->timeServiceMock);
+    }
 }
diff --git a/tests/Dao/FileDaoTest.php b/tests/Dao/FileDaoTest.php
index 8e7da65e..b96df916 100644
--- a/tests/Dao/FileDaoTest.php
+++ b/tests/Dao/FileDaoTest.php
@@ -5,57 +5,57 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class FileDaoTest extends AbstractTestCase
 {
-	public function testSaving()
-	{
-		$testDirectory = $this->createTestDirectory();
-		$fileDao = new FileDao($testDirectory);
-		$fileDao->save('dog.txt', 'awesome dog');
-		$expected = 'awesome dog';
-		$actual = file_get_contents($testDirectory . DIRECTORY_SEPARATOR . 'dog.txt');
-		$this->assertEquals($expected, $actual);
-	}
+    public function testSaving()
+    {
+        $testDirectory = $this->createTestDirectory();
+        $fileDao = new FileDao($testDirectory);
+        $fileDao->save('dog.txt', 'awesome dog');
+        $expected = 'awesome dog';
+        $actual = file_get_contents($testDirectory . DIRECTORY_SEPARATOR . 'dog.txt');
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testSavingSubfolders()
-	{
-		$testDirectory = $this->createTestDirectory();
-		$fileDao = new FileDao($testDirectory);
-		$fileDao->save('friends/dog.txt', 'hot dog');
-		$expected = 'hot dog';
-		$actual = file_get_contents($testDirectory . DIRECTORY_SEPARATOR . 'friends/dog.txt');
-		$this->assertEquals($expected, $actual);
-	}
+    public function testSavingSubfolders()
+    {
+        $testDirectory = $this->createTestDirectory();
+        $fileDao = new FileDao($testDirectory);
+        $fileDao->save('friends/dog.txt', 'hot dog');
+        $expected = 'hot dog';
+        $actual = file_get_contents($testDirectory . DIRECTORY_SEPARATOR . 'friends/dog.txt');
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testLoading()
-	{
-		$testDirectory = $this->createTestDirectory();
-		$fileDao = new FileDao($testDirectory);
-		$fileDao->save('dog.txt', 'awesome dog');
-		$this->assertEquals('awesome dog', $fileDao->load('dog.txt'));
-	}
+    public function testLoading()
+    {
+        $testDirectory = $this->createTestDirectory();
+        $fileDao = new FileDao($testDirectory);
+        $fileDao->save('dog.txt', 'awesome dog');
+        $this->assertEquals('awesome dog', $fileDao->load('dog.txt'));
+    }
 
-	public function testExists()
-	{
-		$testDirectory = $this->createTestDirectory();
-		$fileDao = new FileDao($testDirectory);
-		$fileDao->save('dog.txt', 'awesome dog');
-		$this->assertTrue($fileDao->exists('dog.txt'));
-		$this->assertFalse($fileDao->exists('fish.txt'));
-	}
+    public function testExists()
+    {
+        $testDirectory = $this->createTestDirectory();
+        $fileDao = new FileDao($testDirectory);
+        $fileDao->save('dog.txt', 'awesome dog');
+        $this->assertTrue($fileDao->exists('dog.txt'));
+        $this->assertFalse($fileDao->exists('fish.txt'));
+    }
 
-	public function testLoadingUnexisting()
-	{
-		$testDirectory = $this->createTestDirectory();
-		$fileDao = new FileDao($testDirectory);
-		$this->assertNull($fileDao->load('dog.txt'));
-	}
+    public function testLoadingUnexisting()
+    {
+        $testDirectory = $this->createTestDirectory();
+        $fileDao = new FileDao($testDirectory);
+        $this->assertNull($fileDao->load('dog.txt'));
+    }
 
-	public function testDeleting()
-	{
-		$testDirectory = $this->createTestDirectory();
-		$fileDao = new FileDao($testDirectory);
-		$fileDao->save('dog.txt', 'awesome dog');
-		$this->assertTrue(file_exists($testDirectory . DIRECTORY_SEPARATOR . 'dog.txt'));
-		$fileDao->delete('dog.txt');
-		$this->assertFalse(file_exists($testDirectory . DIRECTORY_SEPARATOR . 'dog.txt'));
-	}
+    public function testDeleting()
+    {
+        $testDirectory = $this->createTestDirectory();
+        $fileDao = new FileDao($testDirectory);
+        $fileDao->save('dog.txt', 'awesome dog');
+        $this->assertTrue(file_exists($testDirectory . DIRECTORY_SEPARATOR . 'dog.txt'));
+        $fileDao->delete('dog.txt');
+        $this->assertFalse(file_exists($testDirectory . DIRECTORY_SEPARATOR . 'dog.txt'));
+    }
 }
diff --git a/tests/Dao/GlobalParamDaoTest.php b/tests/Dao/GlobalParamDaoTest.php
index 301a1f9b..0922d030 100644
--- a/tests/Dao/GlobalParamDaoTest.php
+++ b/tests/Dao/GlobalParamDaoTest.php
@@ -6,62 +6,62 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class GlobalParamDaoTest extends AbstractDatabaseTestCase
 {
-	public function testSettingValues()
-	{
-		$expected = new GlobalParam();
-		$expected->setKey('key');
-		$expected->setValue('test');
+    public function testSettingValues()
+    {
+        $expected = new GlobalParam();
+        $expected->setKey('key');
+        $expected->setValue('test');
 
-		$globalParamDao = $this->getGlobalParamDao();
-		$globalParamDao->save($expected);
+        $globalParamDao = $this->getGlobalParamDao();
+        $globalParamDao->save($expected);
 
-		$actual = $globalParamDao->findByKey($expected->getKey());
-		$this->assertEntitiesEqual($actual, $expected);
-	}
+        $actual = $globalParamDao->findByKey($expected->getKey());
+        $this->assertEntitiesEqual($actual, $expected);
+    }
 
-	public function testInsertingSameKeyTwice()
-	{
-		$param1 = new GlobalParam();
-		$param1->setKey('key');
-		$param1->setValue('value1');
+    public function testInsertingSameKeyTwice()
+    {
+        $param1 = new GlobalParam();
+        $param1->setKey('key');
+        $param1->setValue('value1');
 
-		$param2 = new GlobalParam();
-		$param2->setKey('key');
-		$param2->setValue('value2');
+        $param2 = new GlobalParam();
+        $param2->setKey('key');
+        $param2->setValue('value2');
 
-		$globalParamDao = $this->getGlobalParamDao();
-		$globalParamDao->save($param1);
-		$globalParamDao->save($param2);
+        $globalParamDao = $this->getGlobalParamDao();
+        $globalParamDao->save($param1);
+        $globalParamDao->save($param2);
 
-		$this->assertEquals([$param2], array_values($globalParamDao->findAll()));
-	}
+        $this->assertEquals([$param2], array_values($globalParamDao->findAll()));
+    }
 
-	public function testUpdatingValues()
-	{
-		$expected = new GlobalParam();
-		$expected->setKey('key');
-		$expected->setValue('test');
+    public function testUpdatingValues()
+    {
+        $expected = new GlobalParam();
+        $expected->setKey('key');
+        $expected->setValue('test');
 
-		$globalParamDao = $this->getGlobalParamDao();
-		$globalParamDao->save($expected);
+        $globalParamDao = $this->getGlobalParamDao();
+        $globalParamDao->save($expected);
 
-		$expected->setKey('key2');
-		$expected->setValue('test2');
-		$globalParamDao->save($expected);
+        $expected->setKey('key2');
+        $expected->setValue('test2');
+        $globalParamDao->save($expected);
 
-		$actual = $globalParamDao->findByKey($expected->getKey());
-		$this->assertEntitiesEqual($actual, $expected);
-	}
+        $actual = $globalParamDao->findByKey($expected->getKey());
+        $this->assertEntitiesEqual($actual, $expected);
+    }
 
-	public function testRetrievingUnknownKeys()
-	{
-		$globalParamDao = $this->getGlobalParamDao();
-		$actual = $globalParamDao->findByKey('hey i dont exist');
-		$this->assertNull($actual);
-	}
+    public function testRetrievingUnknownKeys()
+    {
+        $globalParamDao = $this->getGlobalParamDao();
+        $actual = $globalParamDao->findByKey('hey i dont exist');
+        $this->assertNull($actual);
+    }
 
-	private function getGlobalParamDao()
-	{
-		return new GlobalParamDao($this->databaseConnection);
-	}
+    private function getGlobalParamDao()
+    {
+        return new GlobalParamDao($this->databaseConnection);
+    }
 }
diff --git a/tests/Dao/PostDaoTest.php b/tests/Dao/PostDaoTest.php
index 3cc522b4..0c2cfe14 100644
--- a/tests/Dao/PostDaoTest.php
+++ b/tests/Dao/PostDaoTest.php
@@ -11,323 +11,323 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class PostDaoTest extends AbstractDatabaseTestCase
 {
-	private $fileDaoMock;
-	private $thumbnailServiceMock;
-	private $tagDao;
-	private $userDao;
+    private $fileDaoMock;
+    private $thumbnailServiceMock;
+    private $tagDao;
+    private $userDao;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->fileDaoMock = $this->mock(PublicFileDao::class);
-		$this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
+    public function setUp()
+    {
+        parent::setUp();
+        $this->fileDaoMock = $this->mock(PublicFileDao::class);
+        $this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
 
-		$this->tagDao = new TagDao($this->databaseConnection);
+        $this->tagDao = new TagDao($this->databaseConnection);
 
-		$this->userDao = new UserDao(
-			$this->databaseConnection,
-			$this->fileDaoMock,
-			$this->thumbnailServiceMock);
-	}
+        $this->userDao = new UserDao(
+            $this->databaseConnection,
+            $this->fileDaoMock,
+            $this->thumbnailServiceMock);
+    }
 
-	public function testCreating()
-	{
-		$postDao = $this->getPostDao();
+    public function testCreating()
+    {
+        $postDao = $this->getPostDao();
 
-		$post = self::getTestPost();
-		$savedPost = $postDao->save($post);
-		$this->assertEquals('test', $post->getName());
-		$this->assertNotNull($savedPost->getId());
-	}
+        $post = self::getTestPost();
+        $savedPost = $postDao->save($post);
+        $this->assertEquals('test', $post->getName());
+        $this->assertNotNull($savedPost->getId());
+    }
 
-	public function testUpdating()
-	{
-		$postDao = $this->getPostDao();
-		$post = self::getTestPost();
-		$post = $postDao->save($post);
-		$this->assertEquals('test', $post->getName());
-		$id = $post->getId();
-		$post->setName($post->getName() . '2');
-		$post = $postDao->save($post);
-		$this->assertEquals('test2', $post->getName());
-		$this->assertEquals($id, $post->getId());
-	}
+    public function testUpdating()
+    {
+        $postDao = $this->getPostDao();
+        $post = self::getTestPost();
+        $post = $postDao->save($post);
+        $this->assertEquals('test', $post->getName());
+        $id = $post->getId();
+        $post->setName($post->getName() . '2');
+        $post = $postDao->save($post);
+        $this->assertEquals('test2', $post->getName());
+        $this->assertEquals($id, $post->getId());
+    }
 
-	public function testGettingAll()
-	{
-		$postDao = $this->getPostDao();
+    public function testGettingAll()
+    {
+        $postDao = $this->getPostDao();
 
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$postDao->save($post1);
-		$postDao->save($post2);
-		$this->assertNotNull($post1->getId());
-		$this->assertNotNull($post2->getId());
-		$this->assertNotEquals($post1->getId(), $post2->getId());
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $postDao->save($post1);
+        $postDao->save($post2);
+        $this->assertNotNull($post1->getId());
+        $this->assertNotNull($post2->getId());
+        $this->assertNotEquals($post1->getId(), $post2->getId());
 
-		$actual = $postDao->findAll();
+        $actual = $postDao->findAll();
 
-		$expected = [
-			$post1->getId() => $post1,
-			$post2->getId() => $post2,
-		];
+        $expected = [
+            $post1->getId() => $post1,
+            $post2->getId() => $post2,
+        ];
 
-		$this->assertEntitiesEqual($expected, $actual);
-		$this->assertEquals(count($expected), $postDao->getCount());
-	}
+        $this->assertEntitiesEqual($expected, $actual);
+        $this->assertEquals(count($expected), $postDao->getCount());
+    }
 
-	public function testGettingTotalFileSize()
-	{
-		$postDao = $this->getPostDao();
+    public function testGettingTotalFileSize()
+    {
+        $postDao = $this->getPostDao();
 
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$post3 = self::getTestPost();
-		$post1->setOriginalFileSize(1249812);
-		$post2->setOriginalFileSize(128);
-		$post3->setOriginalFileSize(null);
-		$postDao->save($post1);
-		$postDao->save($post2);
-		$postDao->save($post3);
-		$expectedFileSize =
-			$post1->getOriginalFileSize() +
-			$post2->getOriginalFileSize() +
-			$post3->getOriginalFileSize();
-		$this->assertGreaterThan(0, $expectedFileSize);
-		$this->assertEquals($expectedFileSize, $postDao->getTotalFileSize());
-	}
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $post3 = self::getTestPost();
+        $post1->setOriginalFileSize(1249812);
+        $post2->setOriginalFileSize(128);
+        $post3->setOriginalFileSize(null);
+        $postDao->save($post1);
+        $postDao->save($post2);
+        $postDao->save($post3);
+        $expectedFileSize =
+            $post1->getOriginalFileSize() +
+            $post2->getOriginalFileSize() +
+            $post3->getOriginalFileSize();
+        $this->assertGreaterThan(0, $expectedFileSize);
+        $this->assertEquals($expectedFileSize, $postDao->getTotalFileSize());
+    }
 
-	public function testGettingById()
-	{
-		$postDao = $this->getPostDao();
+    public function testGettingById()
+    {
+        $postDao = $this->getPostDao();
 
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$postDao->save($post1);
-		$postDao->save($post2);
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $postDao->save($post1);
+        $postDao->save($post2);
 
-		$actualPost1 = $postDao->findById($post1->getId());
-		$actualPost2 = $postDao->findById($post2->getId());
-		$this->assertEntitiesEqual($post1, $actualPost1);
-		$this->assertEntitiesEqual($post2, $actualPost2);
-	}
+        $actualPost1 = $postDao->findById($post1->getId());
+        $actualPost2 = $postDao->findById($post2->getId());
+        $this->assertEntitiesEqual($post1, $actualPost1);
+        $this->assertEntitiesEqual($post2, $actualPost2);
+    }
 
-	public function testDeletingAll()
-	{
-		$postDao = $this->getPostDao();
+    public function testDeletingAll()
+    {
+        $postDao = $this->getPostDao();
 
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$postDao->save($post1);
-		$postDao->save($post2);
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $postDao->save($post1);
+        $postDao->save($post2);
 
-		$postDao->deleteAll();
+        $postDao->deleteAll();
 
-		$actualPost1 = $postDao->findById($post1->getId());
-		$actualPost2 = $postDao->findById($post2->getId());
-		$this->assertNull($actualPost1);
-		$this->assertNull($actualPost2);
-		$this->assertEquals(0, count($postDao->findAll()));
-	}
+        $actualPost1 = $postDao->findById($post1->getId());
+        $actualPost2 = $postDao->findById($post2->getId());
+        $this->assertNull($actualPost1);
+        $this->assertNull($actualPost2);
+        $this->assertEquals(0, count($postDao->findAll()));
+    }
 
-	public function testDeletingById()
-	{
-		$postDao = $this->getPostDao();
+    public function testDeletingById()
+    {
+        $postDao = $this->getPostDao();
 
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$postDao->save($post1);
-		$postDao->save($post2);
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $postDao->save($post1);
+        $postDao->save($post2);
 
-		$postDao->deleteById($post1->getId());
+        $postDao->deleteById($post1->getId());
 
-		$actualPost1 = $postDao->findById($post1->getId());
-		$actualPost2 = $postDao->findById($post2->getId());
-		$this->assertNull($actualPost1);
-		$this->assertEntitiesEqual($actualPost2, $actualPost2);
-		$this->assertEquals(1, count($postDao->findAll()));
-	}
+        $actualPost1 = $postDao->findById($post1->getId());
+        $actualPost2 = $postDao->findById($post2->getId());
+        $this->assertNull($actualPost1);
+        $this->assertEntitiesEqual($actualPost2, $actualPost2);
+        $this->assertEquals(1, count($postDao->findAll()));
+    }
 
-	public function testFindingByTagName()
-	{
-		$tag1 = new Tag();
-		$tag1->setName('tag1');
-		$tag1->setCreationTime(date('c'));
-		$tag2 = new Tag();
-		$tag2->setName('tag2');
-		$tag2->setCreationTime(date('c'));
-		$this->tagDao->save($tag1);
-		$this->tagDao->save($tag2);
+    public function testFindingByTagName()
+    {
+        $tag1 = new Tag();
+        $tag1->setName('tag1');
+        $tag1->setCreationTime(date('c'));
+        $tag2 = new Tag();
+        $tag2->setName('tag2');
+        $tag2->setCreationTime(date('c'));
+        $this->tagDao->save($tag1);
+        $this->tagDao->save($tag2);
 
-		$postDao = $this->getPostDao();
-		$post1 = self::getTestPost();
-		$post1->setTags([$tag1]);
-		$postDao->save($post1);
-		$post2 = self::getTestPost();
-		$post2->setTags([$tag2]);
-		$postDao->save($post2);
+        $postDao = $this->getPostDao();
+        $post1 = self::getTestPost();
+        $post1->setTags([$tag1]);
+        $postDao->save($post1);
+        $post2 = self::getTestPost();
+        $post2->setTags([$tag2]);
+        $postDao->save($post2);
 
-		$this->assertEntitiesEqual([$post1], array_values($postDao->findByTagName('tag1')));
-		$this->assertEntitiesEqual([$post2], array_values($postDao->findByTagName('tag2')));
-	}
+        $this->assertEntitiesEqual([$post1], array_values($postDao->findByTagName('tag1')));
+        $this->assertEntitiesEqual([$post2], array_values($postDao->findByTagName('tag2')));
+    }
 
-	public function testSavingTags()
-	{
-		$tag1 = new Tag();
-		$tag1->setName('tag1');
-		$tag1->setCreationTime(date('c'));
-		$tag2 = new Tag();
-		$tag2->setName('tag2');
-		$tag2->setCreationTime(date('c'));
-		$this->tagDao->save($tag1);
-		$this->tagDao->save($tag2);
-		$testTags = ['tag1' => $tag1, 'tag2' => $tag2];
+    public function testSavingTags()
+    {
+        $tag1 = new Tag();
+        $tag1->setName('tag1');
+        $tag1->setCreationTime(date('c'));
+        $tag2 = new Tag();
+        $tag2->setName('tag2');
+        $tag2->setCreationTime(date('c'));
+        $this->tagDao->save($tag1);
+        $this->tagDao->save($tag2);
+        $testTags = ['tag1' => $tag1, 'tag2' => $tag2];
 
-		$postDao = $this->getPostDao();
-		$post = self::getTestPost();
-		$post->setTags($testTags);
-		$postDao->save($post);
+        $postDao = $this->getPostDao();
+        $post = self::getTestPost();
+        $post->setTags($testTags);
+        $postDao->save($post);
 
-		$savedPost = $postDao->findById($post->getId());
-		$this->assertEntitiesEqual($testTags, $post->getTags());
-		$this->assertEquals(2, count($savedPost->getTags()));
+        $savedPost = $postDao->findById($post->getId());
+        $this->assertEntitiesEqual($testTags, $post->getTags());
+        $this->assertEquals(2, count($savedPost->getTags()));
 
-		$this->assertEquals(2, $post->getTagCount());
-		$this->assertEquals(2, $savedPost->getTagCount());
+        $this->assertEquals(2, $post->getTagCount());
+        $this->assertEquals(2, $savedPost->getTagCount());
 
-		$tagDao = $this->getTagDao();
-		$this->assertEquals(2, count($tagDao->findAll()));
-	}
+        $tagDao = $this->getTagDao();
+        $this->assertEquals(2, count($tagDao->findAll()));
+    }
 
-	public function testSavingUnsavedRelations()
-	{
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$testPosts = [$post1, $post2];
+    public function testSavingUnsavedRelations()
+    {
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $testPosts = [$post1, $post2];
 
-		$postDao = $this->getPostDao();
-		$post = self::getTestPost();
-		$post->setRelatedPosts($testPosts);
-		$this->setExpectedException(\Exception::class, 'Unsaved entities found');
-		$postDao->save($post);
-	}
+        $postDao = $this->getPostDao();
+        $post = self::getTestPost();
+        $post->setRelatedPosts($testPosts);
+        $this->setExpectedException(\Exception::class, 'Unsaved entities found');
+        $postDao->save($post);
+    }
 
-	public function testSavingRelations()
-	{
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$testPosts = [$post1, $post2];
+    public function testSavingRelations()
+    {
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $testPosts = [$post1, $post2];
 
-		$postDao = $this->getPostDao();
-		$postDao->save($post1);
-		$postDao->save($post2);
-		$post = self::getTestPost();
-		$post->setRelatedPosts($testPosts);
-		$postDao->save($post);
+        $postDao = $this->getPostDao();
+        $postDao->save($post1);
+        $postDao->save($post2);
+        $post = self::getTestPost();
+        $post->setRelatedPosts($testPosts);
+        $postDao->save($post);
 
-		$savedPost = $postDao->findById($post->getId());
-		$this->assertEntitiesEqual($testPosts, $post->getRelatedPosts());
-		$this->assertEquals(2, count($savedPost->getRelatedPosts()));
-	}
+        $savedPost = $postDao->findById($post->getId());
+        $this->assertEntitiesEqual($testPosts, $post->getRelatedPosts());
+        $this->assertEquals(2, count($savedPost->getRelatedPosts()));
+    }
 
-	public function testSavingUser()
-	{
-		$testUser = new User(5);
-		$testUser->setName('it\'s me');
-		$postDao = $this->getPostDao();
+    public function testSavingUser()
+    {
+        $testUser = new User(5);
+        $testUser->setName('it\'s me');
+        $postDao = $this->getPostDao();
 
-		$post = self::getTestPost();
-		$post->setUser($testUser);
-		$postDao->save($post);
+        $post = self::getTestPost();
+        $post->setUser($testUser);
+        $postDao->save($post);
 
-		$savedPost = $postDao->findById($post->getId());
-		$this->assertEntitiesEqual($testUser, $post->getUser());
-		$this->assertEquals(5, $post->getUserId());
-	}
+        $savedPost = $postDao->findById($post->getId());
+        $this->assertEntitiesEqual($testUser, $post->getUser());
+        $this->assertEquals(5, $post->getUserId());
+    }
 
-	public function testNotLoadingContentForNewPosts()
-	{
-		$postDao = $this->getPostDao();
-		$newlyCreatedPost = self::getTestPost();
-		$this->assertNull($newlyCreatedPost->getContent());
-	}
+    public function testNotLoadingContentForNewPosts()
+    {
+        $postDao = $this->getPostDao();
+        $newlyCreatedPost = self::getTestPost();
+        $this->assertNull($newlyCreatedPost->getContent());
+    }
 
-	public function testLoadingContentPostsForExistingPosts()
-	{
-		$postDao = $this->getPostDao();
-		$post = self::getTestPost();
-		$postDao->save($post);
+    public function testLoadingContentPostsForExistingPosts()
+    {
+        $postDao = $this->getPostDao();
+        $post = self::getTestPost();
+        $postDao->save($post);
 
-		$post = $postDao->findById($post->getId());
+        $post = $postDao->findById($post->getId());
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('load')
-			->with($post->getContentPath())
-			->willReturn('whatever');
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('load')
+            ->with($post->getContentPath())
+            ->willReturn('whatever');
 
-		$this->assertEquals('whatever', $post->getContent());
-	}
+        $this->assertEquals('whatever', $post->getContent());
+    }
 
-	public function testSavingContent()
-	{
-		$postDao = $this->getPostDao();
-		$post = self::getTestPost();
-		$post->setContent('whatever');
+    public function testSavingContent()
+    {
+        $postDao = $this->getPostDao();
+        $post = self::getTestPost();
+        $post->setContent('whatever');
 
-		$this->thumbnailServiceMock
-			->expects($this->exactly(2))
-			->method('deleteUsedThumbnails')
-			->withConsecutive(
-				[$post->getContentPath()],
-				[$post->getThumbnailSourceContentPath()]);
+        $this->thumbnailServiceMock
+            ->expects($this->exactly(2))
+            ->method('deleteUsedThumbnails')
+            ->withConsecutive(
+                [$post->getContentPath()],
+                [$post->getThumbnailSourceContentPath()]);
 
-		$this->fileDaoMock
-			->expects($this->exactly(1))
-			->method('save')
-			->withConsecutive(
-				[$post->getContentPath(), 'whatever']);
+        $this->fileDaoMock
+            ->expects($this->exactly(1))
+            ->method('save')
+            ->withConsecutive(
+                [$post->getContentPath(), 'whatever']);
 
-		$postDao->save($post);
-	}
+        $postDao->save($post);
+    }
 
-	public function testSavingContentAndThumbnail()
-	{
-		$postDao = $this->getPostDao();
-		$post = self::getTestPost();
-		$post->setContent('whatever');
-		$post->setThumbnailSourceContent('an image of sharks');
+    public function testSavingContentAndThumbnail()
+    {
+        $postDao = $this->getPostDao();
+        $post = self::getTestPost();
+        $post->setContent('whatever');
+        $post->setThumbnailSourceContent('an image of sharks');
 
-		$this->thumbnailServiceMock
-			->expects($this->exactly(2))
-			->method('deleteUsedThumbnails')
-			->withConsecutive(
-				[$post->getContentPath()],
-				[$post->getThumbnailSourceContentPath()]);
+        $this->thumbnailServiceMock
+            ->expects($this->exactly(2))
+            ->method('deleteUsedThumbnails')
+            ->withConsecutive(
+                [$post->getContentPath()],
+                [$post->getThumbnailSourceContentPath()]);
 
-		$this->fileDaoMock
-			->expects($this->exactly(2))
-			->method('save')
-			->withConsecutive(
-				[$post->getContentPath(), 'whatever'],
-				[$post->getThumbnailSourceContentPath(), 'an image of sharks']);
+        $this->fileDaoMock
+            ->expects($this->exactly(2))
+            ->method('save')
+            ->withConsecutive(
+                [$post->getContentPath(), 'whatever'],
+                [$post->getThumbnailSourceContentPath(), 'an image of sharks']);
 
-		$postDao->save($post);
-	}
+        $postDao->save($post);
+    }
 
 
-	private function getPostDao()
-	{
-		return new PostDao(
-			$this->databaseConnection,
-			$this->tagDao,
-			$this->userDao,
-			$this->fileDaoMock,
-			$this->thumbnailServiceMock);
-	}
+    private function getPostDao()
+    {
+        return new PostDao(
+            $this->databaseConnection,
+            $this->tagDao,
+            $this->userDao,
+            $this->fileDaoMock,
+            $this->thumbnailServiceMock);
+    }
 
-	private function getTagDao()
-	{
-		return $this->tagDao;
-	}
+    private function getTagDao()
+    {
+        return $this->tagDao;
+    }
 }
diff --git a/tests/Dao/PostNoteDaoTest.php b/tests/Dao/PostNoteDaoTest.php
index 9486273d..5c0e37b0 100644
--- a/tests/Dao/PostNoteDaoTest.php
+++ b/tests/Dao/PostNoteDaoTest.php
@@ -7,38 +7,38 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class PostNoteDaoTest extends AbstractDatabaseTestCase
 {
-	private $postDaoMock;
+    private $postDaoMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->postDaoMock = $this->mock(PostDao::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->postDaoMock = $this->mock(PostDao::class);
+    }
 
-	public function testSettingValues()
-	{
-		$expected = new PostNote();
-		$expected->setPostId(5);
-		$expected->setLeft(5);
-		$expected->setTop(10);
-		$expected->setWidth(50);
-		$expected->setHeight(50);
-		$expected->setText('text');
+    public function testSettingValues()
+    {
+        $expected = new PostNote();
+        $expected->setPostId(5);
+        $expected->setLeft(5);
+        $expected->setTop(10);
+        $expected->setWidth(50);
+        $expected->setHeight(50);
+        $expected->setText('text');
 
-		$postNoteDao = $this->getPostNoteDao();
-		$postNoteDao->save($expected);
+        $postNoteDao = $this->getPostNoteDao();
+        $postNoteDao->save($expected);
 
-		$actual = $postNoteDao->findById($expected->getId());
-		$this->assertEntitiesEqual($actual, $expected);
+        $actual = $postNoteDao->findById($expected->getId());
+        $this->assertEntitiesEqual($actual, $expected);
 
-		$this->postDaoMock->expects($this->once())->method('findById')->with(5)->willReturn('lazy post');
-		$this->assertEquals('lazy post', $actual->getPost());
-	}
+        $this->postDaoMock->expects($this->once())->method('findById')->with(5)->willReturn('lazy post');
+        $this->assertEquals('lazy post', $actual->getPost());
+    }
 
-	private function getPostNoteDao()
-	{
-		return new PostNoteDao(
-			$this->databaseConnection,
-			$this->postDaoMock);
-	}
+    private function getPostNoteDao()
+    {
+        return new PostNoteDao(
+            $this->databaseConnection,
+            $this->postDaoMock);
+    }
 }
diff --git a/tests/Dao/ScoreDaoTest.php b/tests/Dao/ScoreDaoTest.php
index 829f06ae..b86464c0 100644
--- a/tests/Dao/ScoreDaoTest.php
+++ b/tests/Dao/ScoreDaoTest.php
@@ -9,83 +9,83 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class ScoreDaoTest extends AbstractDatabaseTestCase
 {
-	private $timeServiceMock;
+    private $timeServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->timeServiceMock = $this->mock(TimeService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->timeServiceMock = $this->mock(TimeService::class);
+    }
 
-	public function testSaving()
-	{
-		$user = new User(1);
-		$user->setName('olivia');
+    public function testSaving()
+    {
+        $user = new User(1);
+        $user->setName('olivia');
 
-		$post = new Post(2);
-		$post->setName('sword');
+        $post = new Post(2);
+        $post->setName('sword');
 
-		$score = new Score();
-		$score->setUserId($user->getId());
-		$score->setPostId($post->getId());
-		$score->setTime(date('c'));
-		$score->setScore(1);
-		$scoreDao = $this->getScoreDao();
-		$scoreDao->save($score);
+        $score = new Score();
+        $score->setUserId($user->getId());
+        $score->setPostId($post->getId());
+        $score->setTime(date('c'));
+        $score->setScore(1);
+        $scoreDao = $this->getScoreDao();
+        $scoreDao->save($score);
 
-		$savedScore = $scoreDao->findById($score->getId());
-		$this->assertEquals(1, $savedScore->getUserId());
-		$this->assertEquals(2, $savedScore->getPostId());
-		$this->assertEquals($score->getTime(), $savedScore->getTime());
-		$this->assertEquals($user->getId(), $savedScore->getUserId());
-		$this->assertEquals($post->getId(), $savedScore->getPostId());
-	}
+        $savedScore = $scoreDao->findById($score->getId());
+        $this->assertEquals(1, $savedScore->getUserId());
+        $this->assertEquals(2, $savedScore->getPostId());
+        $this->assertEquals($score->getTime(), $savedScore->getTime());
+        $this->assertEquals($user->getId(), $savedScore->getUserId());
+        $this->assertEquals($post->getId(), $savedScore->getPostId());
+    }
 
-	public function testFindingByUserAndPost()
-	{
-		$post1 = new Post(1);
-		$post2 = new Post(2);
-		$user1 = new User(3);
-		$user2 = new User(4);
+    public function testFindingByUserAndPost()
+    {
+        $post1 = new Post(1);
+        $post2 = new Post(2);
+        $user1 = new User(3);
+        $user2 = new User(4);
 
-		$score1 = new Score();
-		$score1->setUserId($user1->getId());
-		$score1->setPostId($post1->getId());
-		$score1->setTime(date('c', mktime(1)));
-		$score1->setScore(1);
+        $score1 = new Score();
+        $score1->setUserId($user1->getId());
+        $score1->setPostId($post1->getId());
+        $score1->setTime(date('c', mktime(1)));
+        $score1->setScore(1);
 
-		$score2 = new Score();
-		$score2->setUserId($user2->getId());
-		$score2->setPostId($post2->getId());
-		$score2->setTime(date('c', mktime(2)));
-		$score2->setScore(0);
+        $score2 = new Score();
+        $score2->setUserId($user2->getId());
+        $score2->setPostId($post2->getId());
+        $score2->setTime(date('c', mktime(2)));
+        $score2->setScore(0);
 
-		$score3 = new Score();
-		$score3->setUserId($user1->getId());
-		$score3->setPostId($post2->getId());
-		$score3->setTime(date('c', mktime(3)));
-		$score3->setScore(-1);
+        $score3 = new Score();
+        $score3->setUserId($user1->getId());
+        $score3->setPostId($post2->getId());
+        $score3->setTime(date('c', mktime(3)));
+        $score3->setScore(-1);
 
-		$scoreDao = $this->getScoreDao();
-		$scoreDao->save($score1);
-		$scoreDao->save($score2);
-		$scoreDao->save($score3);
+        $scoreDao = $this->getScoreDao();
+        $scoreDao->save($score1);
+        $scoreDao->save($score2);
+        $scoreDao->save($score3);
 
-		$this->assertEntitiesEqual($score1, $scoreDao->getUserScore($user1, $post1));
-		$this->assertEntitiesEqual($score2, $scoreDao->getUserScore($user2, $post2));
-		$this->assertEntitiesEqual($score3, $scoreDao->getUserScore($user1, $post2));
-		$this->assertNull($scoreDao->getUserScore($user2, $post1));
-	}
+        $this->assertEntitiesEqual($score1, $scoreDao->getUserScore($user1, $post1));
+        $this->assertEntitiesEqual($score2, $scoreDao->getUserScore($user2, $post2));
+        $this->assertEntitiesEqual($score3, $scoreDao->getUserScore($user1, $post2));
+        $this->assertNull($scoreDao->getUserScore($user2, $post1));
+    }
 
-	public function findByPost(Post $post)
-	{
-		return $this->findOneBy('postId', $post->getId());
-	}
+    public function findByPost(Post $post)
+    {
+        return $this->findOneBy('postId', $post->getId());
+    }
 
-	private function getScoreDao()
-	{
-		return new ScoreDao(
-			$this->databaseConnection,
-			$this->timeServiceMock);
-	}
+    private function getScoreDao()
+    {
+        return new ScoreDao(
+            $this->databaseConnection,
+            $this->timeServiceMock);
+    }
 }
diff --git a/tests/Dao/SnapshotDaoTest.php b/tests/Dao/SnapshotDaoTest.php
index 07fdd0d7..6e591bad 100644
--- a/tests/Dao/SnapshotDaoTest.php
+++ b/tests/Dao/SnapshotDaoTest.php
@@ -8,53 +8,53 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class SnapshotDaoTest extends AbstractDatabaseTestCase
 {
-	public function setUp()
-	{
-		parent::setUp();
-		$this->userDaoMock = $this->mock(UserDao::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->userDaoMock = $this->mock(UserDao::class);
+    }
 
-	public function testSaving()
-	{
-		$snapshot = $this->getTestSnapshot();
-		$snapshotDao = $this->getSnapshotDao();
-		$snapshotDao->save($snapshot);
-		$this->assertNotNull($snapshot->getId());
-		$this->assertEntitiesEqual($snapshot, $snapshotDao->findById($snapshot->getId()));
-	}
+    public function testSaving()
+    {
+        $snapshot = $this->getTestSnapshot();
+        $snapshotDao = $this->getSnapshotDao();
+        $snapshotDao->save($snapshot);
+        $this->assertNotNull($snapshot->getId());
+        $this->assertEntitiesEqual($snapshot, $snapshotDao->findById($snapshot->getId()));
+    }
 
-	public function testUserLazyLoader()
-	{
-		$snapshot = $this->getTestSnapshot();
-		$snapshot->setUser(new User(5));
-		$this->assertEquals(5, $snapshot->getUserId());
-		$snapshotDao = $this->getSnapshotDao();
-		$snapshotDao->save($snapshot);
-		$savedSnapshot = $snapshotDao->findById($snapshot->getId());
-		$this->assertEquals(5, $savedSnapshot->getUserId());
+    public function testUserLazyLoader()
+    {
+        $snapshot = $this->getTestSnapshot();
+        $snapshot->setUser(new User(5));
+        $this->assertEquals(5, $snapshot->getUserId());
+        $snapshotDao = $this->getSnapshotDao();
+        $snapshotDao->save($snapshot);
+        $savedSnapshot = $snapshotDao->findById($snapshot->getId());
+        $this->assertEquals(5, $savedSnapshot->getUserId());
 
-		$this->userDaoMock
-			->expects($this->once())
-			->method('findById');
-		$savedSnapshot->getUser();
-	}
+        $this->userDaoMock
+            ->expects($this->once())
+            ->method('findById');
+        $savedSnapshot->getUser();
+    }
 
-	private function getTestSnapshot()
-	{
-		$snapshot = new Snapshot();
-		$snapshot->setType(Snapshot::TYPE_POST);
-		$snapshot->setData(['wake up', 'neo', ['follow' => 'white rabbit']]);
-		$snapshot->setPrimaryKey(1);
-		$snapshot->setTime(date('c', mktime(1, 2, 3)));
-		$snapshot->setUserId(null);
-		$snapshot->setOperation(Snapshot::OPERATION_CHANGE);
-		return $snapshot;
-	}
+    private function getTestSnapshot()
+    {
+        $snapshot = new Snapshot();
+        $snapshot->setType(Snapshot::TYPE_POST);
+        $snapshot->setData(['wake up', 'neo', ['follow' => 'white rabbit']]);
+        $snapshot->setPrimaryKey(1);
+        $snapshot->setTime(date('c', mktime(1, 2, 3)));
+        $snapshot->setUserId(null);
+        $snapshot->setOperation(Snapshot::OPERATION_CHANGE);
+        return $snapshot;
+    }
 
-	private function getSnapshotDao()
-	{
-		return new SnapshotDao(
-			$this->databaseConnection,
-			$this->userDaoMock);
-	}
+    private function getSnapshotDao()
+    {
+        return new SnapshotDao(
+            $this->databaseConnection,
+            $this->userDaoMock);
+    }
 }
diff --git a/tests/Dao/TagDaoFilterTest.php b/tests/Dao/TagDaoFilterTest.php
index a1084804..a2b36bbb 100644
--- a/tests/Dao/TagDaoFilterTest.php
+++ b/tests/Dao/TagDaoFilterTest.php
@@ -11,54 +11,54 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class TagDaoFilterTest extends AbstractDatabaseTestCase
 {
-	public function testCategories()
-	{
-		$tag1 = self::getTestTag('test 1');
-		$tag2 = self::getTestTag('test 2');
-		$tag3 = self::getTestTag('test 3');
-		$tag2->setCategory('misc');
-		$tag3->setCategory('other');
-		$tagDao = $this->getTagDao();
-		$tagDao->save($tag1);
-		$tagDao->save($tag2);
-		$tagDao->save($tag3);
+    public function testCategories()
+    {
+        $tag1 = self::getTestTag('test 1');
+        $tag2 = self::getTestTag('test 2');
+        $tag3 = self::getTestTag('test 3');
+        $tag2->setCategory('misc');
+        $tag3->setCategory('other');
+        $tagDao = $this->getTagDao();
+        $tagDao->save($tag1);
+        $tagDao->save($tag2);
+        $tagDao->save($tag3);
 
-		$searchFilter = new TagFilter();
-		$requirement = new Requirement();
-		$requirement->setType(TagFilter::REQUIREMENT_CATEGORY);
-		$requirement->setValue(new RequirementSingleValue('misc'));
-		$requirement->setNegated(true);
-		$searchFilter->addRequirement($requirement);
-		$result = $tagDao->findFiltered($searchFilter);
-		$this->assertEquals(2, $result->getTotalRecords());
-		$this->assertEntitiesEqual([$tag3, $tag1], array_values($result->getEntities()));
-	}
+        $searchFilter = new TagFilter();
+        $requirement = new Requirement();
+        $requirement->setType(TagFilter::REQUIREMENT_CATEGORY);
+        $requirement->setValue(new RequirementSingleValue('misc'));
+        $requirement->setNegated(true);
+        $searchFilter->addRequirement($requirement);
+        $result = $tagDao->findFiltered($searchFilter);
+        $this->assertEquals(2, $result->getTotalRecords());
+        $this->assertEntitiesEqual([$tag3, $tag1], array_values($result->getEntities()));
+    }
 
-	public function testCompositeCategories()
-	{
-		$tag1 = self::getTestTag('test 1');
-		$tag2 = self::getTestTag('test 2');
-		$tag3 = self::getTestTag('test 3');
-		$tag2->setCategory('misc');
-		$tag3->setCategory('other');
-		$tagDao = $this->getTagDao();
-		$tagDao->save($tag1);
-		$tagDao->save($tag2);
-		$tagDao->save($tag3);
+    public function testCompositeCategories()
+    {
+        $tag1 = self::getTestTag('test 1');
+        $tag2 = self::getTestTag('test 2');
+        $tag3 = self::getTestTag('test 3');
+        $tag2->setCategory('misc');
+        $tag3->setCategory('other');
+        $tagDao = $this->getTagDao();
+        $tagDao->save($tag1);
+        $tagDao->save($tag2);
+        $tagDao->save($tag3);
 
-		$searchFilter = new TagFilter();
-		$requirement = new Requirement();
-		$requirement->setType(TagFilter::REQUIREMENT_CATEGORY);
-		$requirement->setValue(new RequirementCompositeValue(['misc', 'other']));
-		$requirement->setNegated(true);
-		$searchFilter->addRequirement($requirement);
-		$result = $tagDao->findFiltered($searchFilter);
-		$this->assertEquals(1, $result->getTotalRecords());
-		$this->assertEntitiesEqual([$tag1], array_values($result->getEntities()));
-	}
+        $searchFilter = new TagFilter();
+        $requirement = new Requirement();
+        $requirement->setType(TagFilter::REQUIREMENT_CATEGORY);
+        $requirement->setValue(new RequirementCompositeValue(['misc', 'other']));
+        $requirement->setNegated(true);
+        $searchFilter->addRequirement($requirement);
+        $result = $tagDao->findFiltered($searchFilter);
+        $this->assertEquals(1, $result->getTotalRecords());
+        $this->assertEntitiesEqual([$tag1], array_values($result->getEntities()));
+    }
 
-	private function getTagDao()
-	{
-		return new TagDao($this->databaseConnection);
-	}
+    private function getTagDao()
+    {
+        return new TagDao($this->databaseConnection);
+    }
 }
diff --git a/tests/Dao/TagDaoTest.php b/tests/Dao/TagDaoTest.php
index 99ab73c8..8f2fe592 100644
--- a/tests/Dao/TagDaoTest.php
+++ b/tests/Dao/TagDaoTest.php
@@ -6,82 +6,82 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class TagDaoTest extends AbstractDatabaseTestCase
 {
-	public function setUp()
-	{
-		parent::setUp();
-	}
+    public function setUp()
+    {
+        parent::setUp();
+    }
 
-	public function testSaving()
-	{
-		$tag = self::getTestTag('test');
-		$tag->setCreationTime(date('c', mktime(0, 0, 0, 10, 1, 2014)));
-		$this->assertFalse($tag->isBanned());
-		$tag->setBanned(true);
+    public function testSaving()
+    {
+        $tag = self::getTestTag('test');
+        $tag->setCreationTime(date('c', mktime(0, 0, 0, 10, 1, 2014)));
+        $this->assertFalse($tag->isBanned());
+        $tag->setBanned(true);
 
-		$tagDao = $this->getTagDao();
-		$tagDao->save($tag);
-		$actualTag = $tagDao->findById($tag->getId());
-		$this->assertEntitiesEqual($tag, $actualTag);
-	}
+        $tagDao = $this->getTagDao();
+        $tagDao->save($tag);
+        $actualTag = $tagDao->findById($tag->getId());
+        $this->assertEntitiesEqual($tag, $actualTag);
+    }
 
-	public function testSavingRelations()
-	{
-		$tag1 = self::getTestTag('test 1');
-		$tag2 = self::getTestTag('test 2');
-		$tag3 = self::getTestTag('test 3');
-		$tag4 = self::getTestTag('test 4');
-		$tagDao = $this->getTagDao();
-		$tagDao->save($tag1);
-		$tagDao->save($tag2);
-		$tagDao->save($tag3);
-		$tagDao->save($tag4);
+    public function testSavingRelations()
+    {
+        $tag1 = self::getTestTag('test 1');
+        $tag2 = self::getTestTag('test 2');
+        $tag3 = self::getTestTag('test 3');
+        $tag4 = self::getTestTag('test 4');
+        $tagDao = $this->getTagDao();
+        $tagDao->save($tag1);
+        $tagDao->save($tag2);
+        $tagDao->save($tag3);
+        $tagDao->save($tag4);
 
-		$tag = self::getTestTag('test');
-		$tag->setImpliedTags([$tag1, $tag3]);
-		$tag->setSuggestedTags([$tag2, $tag4]);
+        $tag = self::getTestTag('test');
+        $tag->setImpliedTags([$tag1, $tag3]);
+        $tag->setSuggestedTags([$tag2, $tag4]);
 
-		$this->assertGreaterThan(0, count($tag->getImpliedTags()));
-		$this->assertGreaterThan(0, count($tag->getSuggestedTags()));
+        $this->assertGreaterThan(0, count($tag->getImpliedTags()));
+        $this->assertGreaterThan(0, count($tag->getSuggestedTags()));
 
-		$tagDao->save($tag);
-		$actualTag = $tagDao->findById($tag->getId());
+        $tagDao->save($tag);
+        $actualTag = $tagDao->findById($tag->getId());
 
-		$this->assertEntitiesEqual($tag, $actualTag);
-		$this->assertEntitiesEqual(array_values($tag->getImpliedTags()), array_values($actualTag->getImpliedTags()));
-		$this->assertEntitiesEqual(array_values($tag->getSuggestedTags()), array_values($actualTag->getSuggestedTags()));
-		$this->assertGreaterThan(0, count($actualTag->getImpliedTags()));
-		$this->assertGreaterThan(0, count($actualTag->getSuggestedTags()));
-	}
+        $this->assertEntitiesEqual($tag, $actualTag);
+        $this->assertEntitiesEqual(array_values($tag->getImpliedTags()), array_values($actualTag->getImpliedTags()));
+        $this->assertEntitiesEqual(array_values($tag->getSuggestedTags()), array_values($actualTag->getSuggestedTags()));
+        $this->assertGreaterThan(0, count($actualTag->getImpliedTags()));
+        $this->assertGreaterThan(0, count($actualTag->getSuggestedTags()));
+    }
 
-	public function testFindByPostIds()
-	{
-		$pdo = $this->databaseConnection->getPDO();
+    public function testFindByPostIds()
+    {
+        $pdo = $this->databaseConnection->getPDO();
 
-		$pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (1, \'test1\', \'2014-10-01 00:00:00\')');
-		$pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (2, \'test2\', \'2014-10-01 00:00:00\')');
-		$pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (5, 1)');
-		$pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (6, 1)');
-		$pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (5, 2)');
-		$pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (6, 2)');
+        $pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (1, \'test1\', \'2014-10-01 00:00:00\')');
+        $pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (2, \'test2\', \'2014-10-01 00:00:00\')');
+        $pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (5, 1)');
+        $pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (6, 1)');
+        $pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (5, 2)');
+        $pdo->exec('INSERT INTO postTags(postId, tagId) VALUES (6, 2)');
 
-		$tag1 = new Tag(1);
-		$tag1->setName('test1');
-		$tag1->setCreationTime(date('c', mktime(0, 0, 0, 10, 1, 2014)));
-		$tag2 = new Tag(2);
-		$tag2->setName('test2');
-		$tag2->setCreationTime(date('c', mktime(0, 0, 0, 10, 1, 2014)));
+        $tag1 = new Tag(1);
+        $tag1->setName('test1');
+        $tag1->setCreationTime(date('c', mktime(0, 0, 0, 10, 1, 2014)));
+        $tag2 = new Tag(2);
+        $tag2->setName('test2');
+        $tag2->setCreationTime(date('c', mktime(0, 0, 0, 10, 1, 2014)));
 
-		$expected = [
-			$tag1->getId() => $tag1,
-			$tag2->getId() => $tag2,
-		];
-		$tagDao = $this->getTagDao();
-		$actual = $tagDao->findByPostId(5);
-		$this->assertEntitiesEqual($expected, $actual);
-	}
+        $expected = [
+            $tag1->getId() => $tag1,
+            $tag2->getId() => $tag2,
+        ];
+        $tagDao = $this->getTagDao();
+        $actual = $tagDao->findByPostId(5);
+        $this->assertEntitiesEqual($expected, $actual);
+    }
 
-	private function getTagDao()
-	{
-		return new TagDao($this->databaseConnection);
-	}
+    private function getTagDao()
+    {
+        return new TagDao($this->databaseConnection);
+    }
 }
diff --git a/tests/Dao/TokenDaoTest.php b/tests/Dao/TokenDaoTest.php
index 45cca05f..c225fdfc 100644
--- a/tests/Dao/TokenDaoTest.php
+++ b/tests/Dao/TokenDaoTest.php
@@ -6,44 +6,44 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class TokenDaoTest extends AbstractDatabaseTestCase
 {
-	public function testRetrievingByValidName()
-	{
-		$token = new Token();
-		$token->setName('test');
-		$token->setPurpose(Token::PURPOSE_LOGIN);
+    public function testRetrievingByValidName()
+    {
+        $token = new Token();
+        $token->setName('test');
+        $token->setPurpose(Token::PURPOSE_LOGIN);
 
-		$tokenDao = $this->getTokenDao();
-		$tokenDao->save($token);
-		$expected = $token;
-		$actual = $tokenDao->findByName($token->getName());
+        $tokenDao = $this->getTokenDao();
+        $tokenDao->save($token);
+        $expected = $token;
+        $actual = $tokenDao->findByName($token->getName());
 
-		$this->assertEntitiesEqual($actual, $expected);
-	}
+        $this->assertEntitiesEqual($actual, $expected);
+    }
 
-	public function testRetrievingByInvalidName()
-	{
-		$tokenDao = $this->getTokenDao();
-		$actual = $tokenDao->findByName('rubbish');
+    public function testRetrievingByInvalidName()
+    {
+        $tokenDao = $this->getTokenDao();
+        $actual = $tokenDao->findByName('rubbish');
 
-		$this->assertNull($actual);
-	}
+        $this->assertNull($actual);
+    }
 
-	public function testRetrievingByAdditionalDataAndPurpose()
-	{
-		$token = new Token();
-		$token->setName('test');
-		$token->setPurpose(Token::PURPOSE_LOGIN);
+    public function testRetrievingByAdditionalDataAndPurpose()
+    {
+        $token = new Token();
+        $token->setName('test');
+        $token->setPurpose(Token::PURPOSE_LOGIN);
 
-		$tokenDao = $this->getTokenDao();
-		$tokenDao->save($token);
-		$expected = $token;
+        $tokenDao = $this->getTokenDao();
+        $tokenDao->save($token);
+        $expected = $token;
 
-		$this->assertEntitiesEqual($expected, $tokenDao->findByAdditionalDataAndPurpose(null, Token::PURPOSE_LOGIN));
-		$this->assertNull($tokenDao->findByAdditionalDataAndPurpose(null, Token::PURPOSE_ACTIVATE));
-	}
+        $this->assertEntitiesEqual($expected, $tokenDao->findByAdditionalDataAndPurpose(null, Token::PURPOSE_LOGIN));
+        $this->assertNull($tokenDao->findByAdditionalDataAndPurpose(null, Token::PURPOSE_ACTIVATE));
+    }
 
-	private function getTokenDao()
-	{
-		return new TokenDao($this->databaseConnection);
-	}
+    private function getTokenDao()
+    {
+        return new TokenDao($this->databaseConnection);
+    }
 }
diff --git a/tests/Dao/TransactionManagerTest.php b/tests/Dao/TransactionManagerTest.php
index 3356ae78..fe9eaa23 100644
--- a/tests/Dao/TransactionManagerTest.php
+++ b/tests/Dao/TransactionManagerTest.php
@@ -7,78 +7,78 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class TransactionManagerTest extends AbstractDatabaseTestCase
 {
-	public function testCommit()
-	{
-		$testEntity = $this->getTestEntity();
-		$testDao = $this->getTestDao();
+    public function testCommit()
+    {
+        $testEntity = $this->getTestEntity();
+        $testDao = $this->getTestDao();
 
-		$transactionManager = $this->getTransactionManager();
-		$transactionManager->commit(function() use ($testDao, &$testEntity)
-		{
-			$testDao->save($testEntity);
-			$this->assertNotNull($testEntity->getId());
-		});
+        $transactionManager = $this->getTransactionManager();
+        $transactionManager->commit(function() use ($testDao, &$testEntity)
+        {
+            $testDao->save($testEntity);
+            $this->assertNotNull($testEntity->getId());
+        });
 
-		$this->assertNotNull($testEntity->getId());
-		$this->assertEntitiesEqual($testEntity, $testDao->findById($testEntity->getId()));
-	}
+        $this->assertNotNull($testEntity->getId());
+        $this->assertEntitiesEqual($testEntity, $testDao->findById($testEntity->getId()));
+    }
 
-	public function testRollback()
-	{
-		$testEntity = $this->getTestEntity();
-		$testDao = $this->getTestDao();
+    public function testRollback()
+    {
+        $testEntity = $this->getTestEntity();
+        $testDao = $this->getTestDao();
 
-		$transactionManager = $this->getTransactionManager();
-		$transactionManager->rollback(function() use ($testDao, &$testEntity)
-		{
-			$testDao->save($testEntity);
-			$this->assertNotNull($testEntity->getId());
-		});
+        $transactionManager = $this->getTransactionManager();
+        $transactionManager->rollback(function() use ($testDao, &$testEntity)
+        {
+            $testDao->save($testEntity);
+            $this->assertNotNull($testEntity->getId());
+        });
 
-		//ids that could be forged in transaction get left behind after rollback
-		$this->assertNotNull($testEntity->getId());
+        //ids that could be forged in transaction get left behind after rollback
+        $this->assertNotNull($testEntity->getId());
 
-		$this->databaseConnection->getPDO()->rollBack();
-		$this->databaseConnection->getPDO()->beginTransaction();
+        $this->databaseConnection->getPDO()->rollBack();
+        $this->databaseConnection->getPDO()->beginTransaction();
 
-		//but entities shouldn't be saved to database
-		$this->assertNull($testDao->findById($testEntity->getId()));
-	}
+        //but entities shouldn't be saved to database
+        $this->assertNull($testDao->findById($testEntity->getId()));
+    }
 
-	public function testNestedTransactions()
-	{
-		$testEntity = $this->getTestEntity();
-		$testDao = $this->getTestDao();
+    public function testNestedTransactions()
+    {
+        $testEntity = $this->getTestEntity();
+        $testDao = $this->getTestDao();
 
-		$transactionManager = $this->getTransactionManager();
-		$transactionManager->commit(function() use ($transactionManager, $testDao, &$testEntity)
-		{
-			$transactionManager->commit(function() use ($testDao, &$testEntity)
-			{
-				$testDao->save($testEntity);
-				$this->assertNotNull($testEntity->getId());
-			});
-		});
+        $transactionManager = $this->getTransactionManager();
+        $transactionManager->commit(function() use ($transactionManager, $testDao, &$testEntity)
+        {
+            $transactionManager->commit(function() use ($testDao, &$testEntity)
+            {
+                $testDao->save($testEntity);
+                $this->assertNotNull($testEntity->getId());
+            });
+        });
 
-		$this->assertNotNull($testEntity->getId());
-		$this->assertEntitiesEqual($testEntity, $testDao->findById($testEntity->getId()));
-	}
+        $this->assertNotNull($testEntity->getId());
+        $this->assertEntitiesEqual($testEntity, $testDao->findById($testEntity->getId()));
+    }
 
-	private function getTestEntity()
-	{
-		$token = new Token();
-		$token->setName('yo');
-		$token->setPurpose(Token::PURPOSE_ACTIVATE);
-		return $token;
-	}
+    private function getTestEntity()
+    {
+        $token = new Token();
+        $token->setName('yo');
+        $token->setPurpose(Token::PURPOSE_ACTIVATE);
+        return $token;
+    }
 
-	private function getTestDao()
-	{
-		return new TokenDao($this->databaseConnection);
-	}
+    private function getTestDao()
+    {
+        return new TokenDao($this->databaseConnection);
+    }
 
-	private function getTransactionManager()
-	{
-		return new TransactionManager($this->databaseConnection);
-	}
+    private function getTransactionManager()
+    {
+        return new TransactionManager($this->databaseConnection);
+    }
 }
diff --git a/tests/Dao/UserDaoFilterTest.php b/tests/Dao/UserDaoFilterTest.php
index 49f2cb8a..aac8b03a 100644
--- a/tests/Dao/UserDaoFilterTest.php
+++ b/tests/Dao/UserDaoFilterTest.php
@@ -9,146 +9,146 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class UserDaoFilterTest extends AbstractDatabaseTestCase
 {
-	private $fileDaoMock;
-	private $thumbnailServiceMock;
+    private $fileDaoMock;
+    private $thumbnailServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->fileDaoMock = $this->mock(PublicFileDao::class);
-		$this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->fileDaoMock = $this->mock(PublicFileDao::class);
+        $this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
+    }
 
-	public function pagingProvider()
-	{
-		$allUsers = ['xena', 'gabrielle'];
-		list ($user1, $user2) = $allUsers;
-		return [
-			[1, 1, [$user1], $allUsers],
-			[1, 2, [$user1, $user2], $allUsers],
-			[2, 1, [$user2], $allUsers],
-			[2, 2, [], $allUsers],
-		];
-	}
+    public function pagingProvider()
+    {
+        $allUsers = ['xena', 'gabrielle'];
+        list ($user1, $user2) = $allUsers;
+        return [
+            [1, 1, [$user1], $allUsers],
+            [1, 2, [$user1, $user2], $allUsers],
+            [2, 1, [$user2], $allUsers],
+            [2, 2, [], $allUsers],
+        ];
+    }
 
-	public function testNothing()
-	{
-		$searchFilter = new UserFilter();
-		$searchFilter->setPageNumber(1);
-		$searchFilter->setPageSize(2);
-		$userDao = $this->getUserDao();
-		$result = $userDao->findFiltered($searchFilter);
-		$this->assertEmpty($result->getEntities());
-		$this->assertEquals(0, $result->getTotalRecords());
-		$this->assertEquals(1, $result->getPageNumber());
-		$this->assertEquals(2, $result->getPageSize());
-	}
+    public function testNothing()
+    {
+        $searchFilter = new UserFilter();
+        $searchFilter->setPageNumber(1);
+        $searchFilter->setPageSize(2);
+        $userDao = $this->getUserDao();
+        $result = $userDao->findFiltered($searchFilter);
+        $this->assertEmpty($result->getEntities());
+        $this->assertEquals(0, $result->getTotalRecords());
+        $this->assertEquals(1, $result->getPageNumber());
+        $this->assertEquals(2, $result->getPageSize());
+    }
 
-	/**
-	 * @dataProvider pagingProvider
-	 */
-	public function testPaging($pageNumber, $pageSize, $expectedUserNames, $allUserNames)
-	{
-		$userDao = $this->getUserDao();
-		$expectedUsers = [];
-		foreach ($allUserNames as $userName)
-		{
-			$user = self::getTestUser($userName);
-			$userDao->save($user);
-			if (in_array($userName, $expectedUserNames))
-				$expectedUsers[] = $user;
-		}
+    /**
+     * @dataProvider pagingProvider
+     */
+    public function testPaging($pageNumber, $pageSize, $expectedUserNames, $allUserNames)
+    {
+        $userDao = $this->getUserDao();
+        $expectedUsers = [];
+        foreach ($allUserNames as $userName)
+        {
+            $user = self::getTestUser($userName);
+            $userDao->save($user);
+            if (in_array($userName, $expectedUserNames))
+                $expectedUsers[] = $user;
+        }
 
-		$searchFilter = new UserFilter();
-		$searchFilter->setOrder([
-			UserFilter::ORDER_NAME =>
-				UserFilter::ORDER_DESC]);
-		$searchFilter->setPageNumber($pageNumber);
-		$searchFilter->setPageSize($pageSize);
+        $searchFilter = new UserFilter();
+        $searchFilter->setOrder([
+            UserFilter::ORDER_NAME =>
+                UserFilter::ORDER_DESC]);
+        $searchFilter->setPageNumber($pageNumber);
+        $searchFilter->setPageSize($pageSize);
 
-		$result = $userDao->findFiltered($searchFilter);
-		$this->assertEquals(count($allUserNames), $result->getTotalRecords());
-		$this->assertEquals($pageNumber, $result->getPageNumber());
-		$this->assertEquals($pageSize, $result->getPageSize());
-		$this->assertEntitiesEqual($expectedUsers, array_values($result->getEntities()));
-	}
+        $result = $userDao->findFiltered($searchFilter);
+        $this->assertEquals(count($allUserNames), $result->getTotalRecords());
+        $this->assertEquals($pageNumber, $result->getPageNumber());
+        $this->assertEquals($pageSize, $result->getPageSize());
+        $this->assertEntitiesEqual($expectedUsers, array_values($result->getEntities()));
+    }
 
-	public function testDefaultOrder()
-	{
-		list ($user1, $user2) = $this->prepareUsers();
-		$this->doTestSorting(null, null, [$user1, $user2]);
-	}
+    public function testDefaultOrder()
+    {
+        list ($user1, $user2) = $this->prepareUsers();
+        $this->doTestSorting(null, null, [$user1, $user2]);
+    }
 
-	public function testOrderByNameAscending()
-	{
-		list ($user1, $user2) = $this->prepareUsers();
-		$this->doTestSorting(
-			UserFilter::ORDER_NAME,
-			UserFilter::ORDER_ASC,
-			[$user1, $user2]);
-	}
+    public function testOrderByNameAscending()
+    {
+        list ($user1, $user2) = $this->prepareUsers();
+        $this->doTestSorting(
+            UserFilter::ORDER_NAME,
+            UserFilter::ORDER_ASC,
+            [$user1, $user2]);
+    }
 
-	public function testOrderByNameDescending()
-	{
-		list ($user1, $user2) = $this->prepareUsers();
-		$this->doTestSorting(
-			UserFilter::ORDER_NAME,
-			UserFilter::ORDER_DESC,
-			[$user2, $user1]);
-	}
+    public function testOrderByNameDescending()
+    {
+        list ($user1, $user2) = $this->prepareUsers();
+        $this->doTestSorting(
+            UserFilter::ORDER_NAME,
+            UserFilter::ORDER_DESC,
+            [$user2, $user1]);
+    }
 
-	public function testOrderByRegistrationTimeAscending()
-	{
-		list ($user1, $user2) = $this->prepareUsers();
-		$this->doTestSorting(
-			UserFilter::ORDER_REGISTRATION_TIME,
-			UserFilter::ORDER_ASC,
-			[$user2, $user1]);
-	}
+    public function testOrderByRegistrationTimeAscending()
+    {
+        list ($user1, $user2) = $this->prepareUsers();
+        $this->doTestSorting(
+            UserFilter::ORDER_REGISTRATION_TIME,
+            UserFilter::ORDER_ASC,
+            [$user2, $user1]);
+    }
 
-	public function testOrderByRegistrationTimeDescending()
-	{
-		list ($user1, $user2) = $this->prepareUsers();
-		$this->doTestSorting(
-			UserFilter::ORDER_REGISTRATION_TIME,
-			UserFilter::ORDER_DESC,
-			[$user1, $user2]);
-	}
+    public function testOrderByRegistrationTimeDescending()
+    {
+        list ($user1, $user2) = $this->prepareUsers();
+        $this->doTestSorting(
+            UserFilter::ORDER_REGISTRATION_TIME,
+            UserFilter::ORDER_DESC,
+            [$user1, $user2]);
+    }
 
-	private function prepareUsers()
-	{
-		$user1 = self::getTestUser('beartato');
-		$user2 = self::getTestUser('reginald');
-		$user1->setRegistrationTime(date('c', mktime(3, 2, 1)));
-		$user2->setRegistrationTime(date('c', mktime(1, 2, 3)));
+    private function prepareUsers()
+    {
+        $user1 = self::getTestUser('beartato');
+        $user2 = self::getTestUser('reginald');
+        $user1->setRegistrationTime(date('c', mktime(3, 2, 1)));
+        $user2->setRegistrationTime(date('c', mktime(1, 2, 3)));
 
-		$userDao = $this->getUserDao();
-		$userDao->save($user1);
-		$userDao->save($user2);
-		return [$user1, $user2];
-	}
+        $userDao = $this->getUserDao();
+        $userDao->save($user1);
+        $userDao->save($user2);
+        return [$user1, $user2];
+    }
 
-	private function doTestSorting($order, $orderDirection, $expectedUsers)
-	{
-		$userDao = $this->getUserDao();
-		$searchFilter = new UserFilter();
-		if ($order !== null)
-			$searchFilter->setOrder([$order => $orderDirection]);
+    private function doTestSorting($order, $orderDirection, $expectedUsers)
+    {
+        $userDao = $this->getUserDao();
+        $searchFilter = new UserFilter();
+        if ($order !== null)
+            $searchFilter->setOrder([$order => $orderDirection]);
 
-		$result = $userDao->findFiltered($searchFilter, 1, 10);
-		$this->assertInstanceOf(Result::class, $result);
-		$this->assertEquals($searchFilter, $result->getSearchFilter());
-		$this->assertEntitiesEqual(array_values($expectedUsers), array_values($result->getEntities()));
-		$this->assertEquals(count($expectedUsers), $result->getTotalRecords());
-		$this->assertNull($result->getPageNumber());
-		$this->assertNull($result->getPageSize());
-	}
+        $result = $userDao->findFiltered($searchFilter, 1, 10);
+        $this->assertInstanceOf(Result::class, $result);
+        $this->assertEquals($searchFilter, $result->getSearchFilter());
+        $this->assertEntitiesEqual(array_values($expectedUsers), array_values($result->getEntities()));
+        $this->assertEquals(count($expectedUsers), $result->getTotalRecords());
+        $this->assertNull($result->getPageNumber());
+        $this->assertNull($result->getPageSize());
+    }
 
-	private function getUserDao()
-	{
-		return new UserDao(
-			$this->databaseConnection,
-			$this->fileDaoMock,
-			$this->thumbnailServiceMock);
-	}
+    private function getUserDao()
+    {
+        return new UserDao(
+            $this->databaseConnection,
+            $this->fileDaoMock,
+            $this->thumbnailServiceMock);
+    }
 }
diff --git a/tests/Dao/UserDaoTest.php b/tests/Dao/UserDaoTest.php
index 9c65fee3..f82b06b1 100644
--- a/tests/Dao/UserDaoTest.php
+++ b/tests/Dao/UserDaoTest.php
@@ -8,109 +8,109 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class UserDaoTest extends AbstractDatabaseTestCase
 {
-	private $fileDaoMock;
-	private $thumbnailServiceMock;
+    private $fileDaoMock;
+    private $thumbnailServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
+    public function setUp()
+    {
+        parent::setUp();
 
-		$this->fileDaoMock = $this->mock(PublicFileDao::class);
-		$this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
-	}
+        $this->fileDaoMock = $this->mock(PublicFileDao::class);
+        $this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
+    }
 
-	public function testRetrievingByValidName()
-	{
-		$userDao = $this->getUserDao();
+    public function testRetrievingByValidName()
+    {
+        $userDao = $this->getUserDao();
 
-		$user = self::getTestUser();
-		$userDao->save($user);
+        $user = self::getTestUser();
+        $userDao->save($user);
 
-		$expected = $user;
-		$actual = $userDao->findByName($user->getName());
-		$this->assertEntitiesEqual($actual, $expected);
-	}
+        $expected = $user;
+        $actual = $userDao->findByName($user->getName());
+        $this->assertEntitiesEqual($actual, $expected);
+    }
 
-	public function testRetrievingByInvalidName()
-	{
-		$userDao = $this->getUserDao();
+    public function testRetrievingByInvalidName()
+    {
+        $userDao = $this->getUserDao();
 
-		$actual = $userDao->findByName('rubbish');
+        $actual = $userDao->findByName('rubbish');
 
-		$this->assertNull($actual);
-	}
+        $this->assertNull($actual);
+    }
 
-	public function testCheckingUserPresence()
-	{
-		$userDao = $this->getUserDao();
-		$this->assertFalse($userDao->hasAnyUsers());
+    public function testCheckingUserPresence()
+    {
+        $userDao = $this->getUserDao();
+        $this->assertFalse($userDao->hasAnyUsers());
 
-		$user = self::getTestUser();
-		$userDao->save($user);
-		$this->assertTrue($userDao->hasAnyUsers());
-	}
+        $user = self::getTestUser();
+        $userDao->save($user);
+        $this->assertTrue($userDao->hasAnyUsers());
+    }
 
-	public function testNotLoadingAvatarContentForNewUsers()
-	{
-		$userDao = $this->getUserDao();
-		$user = self::getTestUser();
-		$user->setAvatarStyle(User::AVATAR_STYLE_MANUAL);
-		$userDao->save($user);
+    public function testNotLoadingAvatarContentForNewUsers()
+    {
+        $userDao = $this->getUserDao();
+        $user = self::getTestUser();
+        $user->setAvatarStyle(User::AVATAR_STYLE_MANUAL);
+        $userDao->save($user);
 
-		$this->assertNull($user->getCustomAvatarSourceContent());
-	}
+        $this->assertNull($user->getCustomAvatarSourceContent());
+    }
 
-	public function testLoadingContentUsersForExistingUsers()
-	{
-		$userDao = $this->getUserDao();
-		$user = self::getTestUser();
-		$user->setAvatarStyle(User::AVATAR_STYLE_MANUAL);
-		$userDao->save($user);
+    public function testLoadingContentUsersForExistingUsers()
+    {
+        $userDao = $this->getUserDao();
+        $user = self::getTestUser();
+        $user->setAvatarStyle(User::AVATAR_STYLE_MANUAL);
+        $userDao->save($user);
 
-		$user = $userDao->findById($user->getId());
+        $user = $userDao->findById($user->getId());
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('load')
-			->with($user->getCustomAvatarSourceContentPath())->willReturn('whatever');
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('load')
+            ->with($user->getCustomAvatarSourceContentPath())->willReturn('whatever');
 
-		$this->assertEquals('whatever', $user->getCustomAvatarSourceContent());
-	}
+        $this->assertEquals('whatever', $user->getCustomAvatarSourceContent());
+    }
 
-	public function testSavingContent()
-	{
-		$userDao = $this->getUserDao();
-		$user = self::getTestUser();
-		$user->setAvatarStyle(User::AVATAR_STYLE_MANUAL);
-		$user->setCustomAvatarSourceContent('whatever');
+    public function testSavingContent()
+    {
+        $userDao = $this->getUserDao();
+        $user = self::getTestUser();
+        $user->setAvatarStyle(User::AVATAR_STYLE_MANUAL);
+        $user->setCustomAvatarSourceContent('whatever');
 
-		$this->thumbnailServiceMock
-			->expects($this->once())
-			->method('deleteUsedThumbnails')
-			->with($this->callback(
-				function($subject) use ($user)
-				{
-					return $subject == $user->getCustomAvatarSourceContentPath();
-				}));
+        $this->thumbnailServiceMock
+            ->expects($this->once())
+            ->method('deleteUsedThumbnails')
+            ->with($this->callback(
+                function($subject) use ($user)
+                {
+                    return $subject == $user->getCustomAvatarSourceContentPath();
+                }));
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('save')
-			->with($this->callback(
-				function($subject) use ($user)
-				{
-					//callback is used because ->save() will create id, which is going to be used by the function below
-					return $subject == $user->getCustomAvatarSourceContentPath();
-				}), 'whatever');
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('save')
+            ->with($this->callback(
+                function($subject) use ($user)
+                {
+                    //callback is used because ->save() will create id, which is going to be used by the function below
+                    return $subject == $user->getCustomAvatarSourceContentPath();
+                }), 'whatever');
 
-		$userDao->save($user);
-	}
+        $userDao->save($user);
+    }
 
-	private function getUserDao()
-	{
-		return new UserDao(
-			$this->databaseConnection,
-			$this->fileDaoMock,
-			$this->thumbnailServiceMock);
-	}
+    private function getUserDao()
+    {
+        return new UserDao(
+            $this->databaseConnection,
+            $this->fileDaoMock,
+            $this->thumbnailServiceMock);
+    }
 }
diff --git a/tests/DispatcherTest.php b/tests/DispatcherTest.php
index 63f0498c..115931f5 100644
--- a/tests/DispatcherTest.php
+++ b/tests/DispatcherTest.php
@@ -10,78 +10,78 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class DispatcherTest extends AbstractDatabaseTestCase
 {
-	private $routerMock;
-	private $configMock;
-	private $httpHelperMock;
-	private $authServiceMock;
-	private $tokenServiceMock;
-	private $routeRepositoryMock;
+    private $routerMock;
+    private $configMock;
+    private $httpHelperMock;
+    private $authServiceMock;
+    private $tokenServiceMock;
+    private $routeRepositoryMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->routerMock = $this->mock(Router::class);
-		$this->configMock = $this->mockConfig();
-		$this->httpHelperMock = $this->mock(HttpHelper::class);
-		$this->authServiceMock = $this->mock(AuthService::class);
-		$this->tokenServiceMock = $this->mock(TokenService::class);
-		$this->routeRepositoryMock = $this->mock(RouteRepository::class);
-		$this->configMock->set('misc/dumpSqlIntoQueries', 0);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->routerMock = $this->mock(Router::class);
+        $this->configMock = $this->mockConfig();
+        $this->httpHelperMock = $this->mock(HttpHelper::class);
+        $this->authServiceMock = $this->mock(AuthService::class);
+        $this->tokenServiceMock = $this->mock(TokenService::class);
+        $this->routeRepositoryMock = $this->mock(RouteRepository::class);
+        $this->configMock->set('misc/dumpSqlIntoQueries', 0);
+    }
 
-	public function testDispatchingArrays()
-	{
-		$expected = ['test' => 'toy'];
+    public function testDispatchingArrays()
+    {
+        $expected = ['test' => 'toy'];
 
-		$this->httpHelperMock
-			->expects($this->exactly(2))
-			->method('setResponseCode')
-			->withConsecutive([$this->equalTo(500)], [$this->equalTo(200)]);
-		$this->routerMock->expects($this->once())->method('handle')->willReturn($expected);
-		$this->routeRepositoryMock->expects($this->once())->method('injectRoutes');
+        $this->httpHelperMock
+            ->expects($this->exactly(2))
+            ->method('setResponseCode')
+            ->withConsecutive([$this->equalTo(500)], [$this->equalTo(200)]);
+        $this->routerMock->expects($this->once())->method('handle')->willReturn($expected);
+        $this->routeRepositoryMock->expects($this->once())->method('injectRoutes');
 
-		$dispatcher = $this->getDispatcher();
-		$actual = $dispatcher->run('GET', '/');
+        $dispatcher = $this->getDispatcher();
+        $actual = $dispatcher->run('GET', '/');
 
-		unset($actual['__time']);
-		$this->assertEquals($expected, $actual);
-	}
+        unset($actual['__time']);
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testDispatchingObjects()
-	{
-		$classData = new \StdClass;
-		$classData->bunny = 5;
-		$expected = ['bunny' => 5];
+    public function testDispatchingObjects()
+    {
+        $classData = new \StdClass;
+        $classData->bunny = 5;
+        $expected = ['bunny' => 5];
 
-		$this->routerMock->expects($this->once())->method('handle')->willReturn($classData);
-		$this->routeRepositoryMock->expects($this->once())->method('injectRoutes');
+        $this->routerMock->expects($this->once())->method('handle')->willReturn($classData);
+        $this->routeRepositoryMock->expects($this->once())->method('injectRoutes');
 
-		$dispatcher = $this->getDispatcher();
-		$actual = $dispatcher->run('GET', '/');
+        $dispatcher = $this->getDispatcher();
+        $actual = $dispatcher->run('GET', '/');
 
-		unset($actual['__time']);
-		$this->assertEquals($expected, $actual);
-	}
+        unset($actual['__time']);
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testAuthorization()
-	{
-		$this->httpHelperMock->expects($this->once())->method('getRequestHeader')->with($this->equalTo('X-Authorization-Token'))->willReturn('test');
-		$this->tokenServiceMock->expects($this->once())->method('getByName');
-		$this->routeRepositoryMock->expects($this->once())->method('injectRoutes');
+    public function testAuthorization()
+    {
+        $this->httpHelperMock->expects($this->once())->method('getRequestHeader')->with($this->equalTo('X-Authorization-Token'))->willReturn('test');
+        $this->tokenServiceMock->expects($this->once())->method('getByName');
+        $this->routeRepositoryMock->expects($this->once())->method('injectRoutes');
 
-		$dispatcher = $this->getDispatcher();
-		$dispatcher->run('GET', '/');
-	}
+        $dispatcher = $this->getDispatcher();
+        $dispatcher->run('GET', '/');
+    }
 
-	private function getDispatcher()
-	{
-		return new Dispatcher(
-			$this->routerMock,
-			$this->configMock,
-			$this->databaseConnection,
-			$this->httpHelperMock,
-			$this->authServiceMock,
-			$this->tokenServiceMock,
-			$this->routeRepositoryMock);
-	}
+    private function getDispatcher()
+    {
+        return new Dispatcher(
+            $this->routerMock,
+            $this->configMock,
+            $this->databaseConnection,
+            $this->httpHelperMock,
+            $this->authServiceMock,
+            $this->tokenServiceMock,
+            $this->routeRepositoryMock);
+    }
 }
diff --git a/tests/Helpers/MimeHelperTest.php b/tests/Helpers/MimeHelperTest.php
index 7e1cddef..8d88b876 100644
--- a/tests/Helpers/MimeHelperTest.php
+++ b/tests/Helpers/MimeHelperTest.php
@@ -5,62 +5,62 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class MimeHelperTest extends AbstractTestCase
 {
-	public static function animatedGifProvider()
-	{
-		return
-		[
-			['test_files/video.mp4', false],
-			['test_files/static.gif', false],
-			['test_files/animated.gif', true],
-			['test_files/animated2.gif', true],
-			['test_files/animated3.gif', true],
-			['test_files/animated4.gif', true],
-		];
-	}
+    public static function animatedGifProvider()
+    {
+        return
+        [
+            ['test_files/video.mp4', false],
+            ['test_files/static.gif', false],
+            ['test_files/animated.gif', true],
+            ['test_files/animated2.gif', true],
+            ['test_files/animated3.gif', true],
+            ['test_files/animated4.gif', true],
+        ];
+    }
 
-	public function testGettingMime()
-	{
-		$expected = 'image/jpeg';
-		$actual = MimeHelper::getMimeTypeFromBuffer($this->getTestFile('image.jpg'));
-		$this->assertEquals($expected, $actual);
-	}
+    public function testGettingMime()
+    {
+        $expected = 'image/jpeg';
+        $actual = MimeHelper::getMimeTypeFromBuffer($this->getTestFile('image.jpg'));
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testIsFlash()
-	{
-		$this->assertTrue(MimeHelper::isFlash('application/x-shockwave-flash'));
-		$this->assertTrue(MimeHelper::isFlash('APPLICATION/X-SHOCKWAVE-FLASH'));
-		$this->assertFalse(MimeHelper::isFlash('something else'));
-	}
+    public function testIsFlash()
+    {
+        $this->assertTrue(MimeHelper::isFlash('application/x-shockwave-flash'));
+        $this->assertTrue(MimeHelper::isFlash('APPLICATION/X-SHOCKWAVE-FLASH'));
+        $this->assertFalse(MimeHelper::isFlash('something else'));
+    }
 
-	public function testIsImage()
-	{
-		$this->assertTrue(MimeHelper::isImage('IMAGE/JPEG'));
-		$this->assertTrue(MimeHelper::isImage('IMAGE/PNG'));
-		$this->assertTrue(MimeHelper::isImage('IMAGE/GIF'));
-		$this->assertTrue(MimeHelper::isImage('image/jpeg'));
-		$this->assertTrue(MimeHelper::isImage('image/png'));
-		$this->assertTrue(MimeHelper::isImage('image/gif'));
-		$this->assertFalse(MimeHelper::isImage('something else'));
-	}
+    public function testIsImage()
+    {
+        $this->assertTrue(MimeHelper::isImage('IMAGE/JPEG'));
+        $this->assertTrue(MimeHelper::isImage('IMAGE/PNG'));
+        $this->assertTrue(MimeHelper::isImage('IMAGE/GIF'));
+        $this->assertTrue(MimeHelper::isImage('image/jpeg'));
+        $this->assertTrue(MimeHelper::isImage('image/png'));
+        $this->assertTrue(MimeHelper::isImage('image/gif'));
+        $this->assertFalse(MimeHelper::isImage('something else'));
+    }
 
-	public function testIsVideo()
-	{
-		$this->assertTrue(MimeHelper::isVideo('VIDEO/MP4'));
-		$this->assertTrue(MimeHelper::isVideo('video/mp4'));
-		$this->assertTrue(MimeHelper::isVideo('APPLICATION/OGG'));
-		$this->assertTrue(MimeHelper::isVideo('application/ogg'));
-		$this->assertFalse(MimeHelper::isVideo('something else'));
-	}
+    public function testIsVideo()
+    {
+        $this->assertTrue(MimeHelper::isVideo('VIDEO/MP4'));
+        $this->assertTrue(MimeHelper::isVideo('video/mp4'));
+        $this->assertTrue(MimeHelper::isVideo('APPLICATION/OGG'));
+        $this->assertTrue(MimeHelper::isVideo('application/ogg'));
+        $this->assertFalse(MimeHelper::isVideo('something else'));
+    }
 
-	/**
-	 * @dataProvider animatedGifProvider
-	 */
-	public function testIsAnimatedGif($path, $expected)
-	{
-		$fullPath = __DIR__
-			. DIRECTORY_SEPARATOR . '..'
-			. DIRECTORY_SEPARATOR . $path;
-		$actual = MimeHelper::isBufferAnimatedGif(file_get_contents($fullPath));
-		$this->assertEquals($expected, $actual);
-	}
+    /**
+     * @dataProvider animatedGifProvider
+     */
+    public function testIsAnimatedGif($path, $expected)
+    {
+        $fullPath = __DIR__
+            . DIRECTORY_SEPARATOR . '..'
+            . DIRECTORY_SEPARATOR . $path;
+        $actual = MimeHelper::isBufferAnimatedGif(file_get_contents($fullPath));
+        $this->assertEquals($expected, $actual);
+    }
 }
diff --git a/tests/Helpers/ProgramExecutorTest.php b/tests/Helpers/ProgramExecutorTest.php
index 6d2ce0b2..8a7705b9 100644
--- a/tests/Helpers/ProgramExecutorTest.php
+++ b/tests/Helpers/ProgramExecutorTest.php
@@ -5,8 +5,8 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ProgramExecutorTest extends AbstractTestCase
 {
-	public function testIsProgramAvailable()
-	{
-		$this->assertFalse(ProgramExecutor::isProgramAvailable('there_is_no_way_my_os_can_have_this_program'));
-	}
+    public function testIsProgramAvailable()
+    {
+        $this->assertFalse(ProgramExecutor::isProgramAvailable('there_is_no_way_my_os_can_have_this_program'));
+    }
 }
diff --git a/tests/PDOEx/DeleteQueryTest.php b/tests/PDOEx/DeleteQueryTest.php
index e1d88272..77bb36c7 100644
--- a/tests/PDOEx/DeleteQueryTest.php
+++ b/tests/PDOEx/DeleteQueryTest.php
@@ -6,22 +6,22 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class DeleteQueryTest extends AbstractTestCase
 {
-	public function testDefault()
-	{
-		$query = $this->getDeleteQuery();
-		$this->assertEquals('DELETE FROM test', $query->getQuery());
-	}
+    public function testDefault()
+    {
+        $query = $this->getDeleteQuery();
+        $this->assertEquals('DELETE FROM test', $query->getQuery());
+    }
 
-	public function testBasicWhere()
-	{
-		$query = $this->getDeleteQuery();
-		$query->where('column', 'value');
-		$this->assertRegExp('/^DELETE FROM test WHERE column = :[\w]*$/', $query->getQuery());
-	}
+    public function testBasicWhere()
+    {
+        $query = $this->getDeleteQuery();
+        $query->where('column', 'value');
+        $this->assertRegExp('/^DELETE FROM test WHERE column = :[\w]*$/', $query->getQuery());
+    }
 
-	private function getDeleteQuery()
-	{
-		$pdoMock = $this->mock(PDOEx::class);
-		return new DeleteQuery($pdoMock, 'test');
-	}
+    private function getDeleteQuery()
+    {
+        $pdoMock = $this->mock(PDOEx::class);
+        return new DeleteQuery($pdoMock, 'test');
+    }
 }
diff --git a/tests/PDOEx/InsertQueryTest.php b/tests/PDOEx/InsertQueryTest.php
index 423428b8..22aa3579 100644
--- a/tests/PDOEx/InsertQueryTest.php
+++ b/tests/PDOEx/InsertQueryTest.php
@@ -6,16 +6,16 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class InsertQueryTest extends AbstractTestCase
 {
-	public function testDefault()
-	{
-		$query = $this->getInsertQuery();
-		$query->values(['key1' => 'value', 'key2' => 'value2']);
-		$this->assertRegExp('/^INSERT INTO test \(key1, key2\) VALUES \(:\w*, :\w*\)$/', $query->getQuery());
-	}
+    public function testDefault()
+    {
+        $query = $this->getInsertQuery();
+        $query->values(['key1' => 'value', 'key2' => 'value2']);
+        $this->assertRegExp('/^INSERT INTO test \(key1, key2\) VALUES \(:\w*, :\w*\)$/', $query->getQuery());
+    }
 
-	private function getInsertQuery()
-	{
-		$pdoMock = $this->mock(PDOEx::class);
-		return new InsertQuery($pdoMock, 'test');
-	}
+    private function getInsertQuery()
+    {
+        $pdoMock = $this->mock(PDOEx::class);
+        return new InsertQuery($pdoMock, 'test');
+    }
 }
diff --git a/tests/PDOEx/SelectQueryTest.php b/tests/PDOEx/SelectQueryTest.php
index 5b25a6db..a3cb1c2d 100644
--- a/tests/PDOEx/SelectQueryTest.php
+++ b/tests/PDOEx/SelectQueryTest.php
@@ -6,183 +6,183 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class SelectQueryTest extends AbstractTestCase
 {
-	public function testDefault()
-	{
-		$query = $this->getSelectQuery();
-		$this->assertEquals('SELECT test.* FROM test', $query->getQuery());
-	}
+    public function testDefault()
+    {
+        $query = $this->getSelectQuery();
+        $this->assertEquals('SELECT test.* FROM test', $query->getQuery());
+    }
 
-	public function testAdditionalColumns()
-	{
-		$query = $this->getSelectQuery();
-		$query->select('SUM(1) AS sum');
-		$query->select('something else');
-		$this->assertEquals('SELECT test.*, SUM(1) AS sum, something else FROM test', $query->getQuery());
-	}
+    public function testAdditionalColumns()
+    {
+        $query = $this->getSelectQuery();
+        $query->select('SUM(1) AS sum');
+        $query->select('something else');
+        $this->assertEquals('SELECT test.*, SUM(1) AS sum, something else FROM test', $query->getQuery());
+    }
 
-	public function testResettingAdditionalColumns()
-	{
-		$query = $this->getSelectQuery();
-		$query->select(null);
-		$query->select('SUM(1) AS sum');
-		$this->assertEquals('SELECT SUM(1) AS sum FROM test', $query->getQuery());
-	}
+    public function testResettingAdditionalColumns()
+    {
+        $query = $this->getSelectQuery();
+        $query->select(null);
+        $query->select('SUM(1) AS sum');
+        $this->assertEquals('SELECT SUM(1) AS sum FROM test', $query->getQuery());
+    }
 
-	public function testInnerJoin()
-	{
-		$query = $this->getSelectQuery();
-		$query->innerJoin('test2', 'test2.id = test.foreignId');
-		$this->assertEquals('SELECT test.* FROM test INNER JOIN test2 ON test2.id = test.foreignId', $query->getQuery());
-	}
+    public function testInnerJoin()
+    {
+        $query = $this->getSelectQuery();
+        $query->innerJoin('test2', 'test2.id = test.foreignId');
+        $this->assertEquals('SELECT test.* FROM test INNER JOIN test2 ON test2.id = test.foreignId', $query->getQuery());
+    }
 
-	public function testMultipleInnerJoins()
-	{
-		$query = $this->getSelectQuery();
-		$query->innerJoin('test2', 'test2.id = test.foreignId');
-		$query->innerJoin('test3', 'test3.id = test2.foreignId');
-		$this->assertEquals('SELECT test.* FROM test INNER JOIN test2 ON test2.id = test.foreignId INNER JOIN test3 ON test3.id = test2.foreignId', $query->getQuery());
-	}
+    public function testMultipleInnerJoins()
+    {
+        $query = $this->getSelectQuery();
+        $query->innerJoin('test2', 'test2.id = test.foreignId');
+        $query->innerJoin('test3', 'test3.id = test2.foreignId');
+        $this->assertEquals('SELECT test.* FROM test INNER JOIN test2 ON test2.id = test.foreignId INNER JOIN test3 ON test3.id = test2.foreignId', $query->getQuery());
+    }
 
-	public function testSelectAfterInnerJoin()
-	{
-		$query = $this->getSelectQuery();
-		$query->innerJoin('test2', 'test2.id = test.foreignId');
-		$query->select('whatever');
-		$this->assertEquals('SELECT test.*, whatever FROM test INNER JOIN test2 ON test2.id = test.foreignId', $query->getQuery());
-	}
+    public function testSelectAfterInnerJoin()
+    {
+        $query = $this->getSelectQuery();
+        $query->innerJoin('test2', 'test2.id = test.foreignId');
+        $query->select('whatever');
+        $this->assertEquals('SELECT test.*, whatever FROM test INNER JOIN test2 ON test2.id = test.foreignId', $query->getQuery());
+    }
 
-	public function testBasicWhere()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column', 'value');
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column = :[\w]*$/', $query->getQuery());
-	}
+    public function testBasicWhere()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column', 'value');
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column = :[\w]*$/', $query->getQuery());
+    }
 
-	public function testMultipleWhere()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column1', 'value1');
-		$query->where('column2', 'value2');
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column1 = :\w* AND column2 = :\w*$/', $query->getQuery());
-	}
+    public function testMultipleWhere()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column1', 'value1');
+        $query->where('column2', 'value2');
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column1 = :\w* AND column2 = :\w*$/', $query->getQuery());
+    }
 
-	public function testManualWhere()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column1 >= ? AND column2 <= ?', ['value1', 'value2']);
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column1 >= :\w* AND column2 <= :\w*$/', $query->getQuery());
-	}
+    public function testManualWhere()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column1 >= ? AND column2 <= ?', ['value1', 'value2']);
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column1 >= :\w* AND column2 <= :\w*$/', $query->getQuery());
+    }
 
-	public function testWhereNull()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column', null);
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column IS NULL$/', $query->getQuery());
-	}
+    public function testWhereNull()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column', null);
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column IS NULL$/', $query->getQuery());
+    }
 
-	public function testResettingWhere()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column1', 'value1');
-		$query->where(null);
-		$query->where('column2', 'value2');
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column2 = :\w*$/', $query->getQuery());
-	}
+    public function testResettingWhere()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column1', 'value1');
+        $query->where(null);
+        $query->where('column2', 'value2');
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column2 = :\w*$/', $query->getQuery());
+    }
 
-	public function testEmptyIn()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column', []);
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE 0$/', $query->getQuery());
-	}
+    public function testEmptyIn()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column', []);
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE 0$/', $query->getQuery());
+    }
 
-	public function testIn()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column', ['val1', 'val2']);
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column IN \(:\w*, :\w*\)$/', $query->getQuery());
-	}
+    public function testIn()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column', ['val1', 'val2']);
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column IN \(:\w*, :\w*\)$/', $query->getQuery());
+    }
 
-	public function testMixedInAndWhere()
-	{
-		$query = $this->getSelectQuery();
-		$query->where('column1', ['val1', 'val2']);
-		$query->where('column2', 'val3');
-		$this->assertRegExp('/^SELECT test\.\* FROM test WHERE column1 IN \(:\w*, :\w*\) AND column2 = :\w*$/', $query->getQuery());
-	}
+    public function testMixedInAndWhere()
+    {
+        $query = $this->getSelectQuery();
+        $query->where('column1', ['val1', 'val2']);
+        $query->where('column2', 'val3');
+        $this->assertRegExp('/^SELECT test\.\* FROM test WHERE column1 IN \(:\w*, :\w*\) AND column2 = :\w*$/', $query->getQuery());
+    }
 
-	public function testGroupBy()
-	{
-		$query = $this->getSelectQuery();
-		$query->groupBy('test.id');
-		$this->assertEquals('SELECT test.* FROM test GROUP BY test.id', $query->getQuery());
-	}
+    public function testGroupBy()
+    {
+        $query = $this->getSelectQuery();
+        $query->groupBy('test.id');
+        $this->assertEquals('SELECT test.* FROM test GROUP BY test.id', $query->getQuery());
+    }
 
-	public function testGroupByAndOrderBy()
-	{
-		$query = $this->getSelectQuery();
-		$query->groupBy('test.id');
-		$query->orderBy('test.whatever');
-		$this->assertEquals('SELECT test.* FROM test GROUP BY test.id ORDER BY test.whatever', $query->getQuery());
-	}
+    public function testGroupByAndOrderBy()
+    {
+        $query = $this->getSelectQuery();
+        $query->groupBy('test.id');
+        $query->orderBy('test.whatever');
+        $this->assertEquals('SELECT test.* FROM test GROUP BY test.id ORDER BY test.whatever', $query->getQuery());
+    }
 
-	public function testOrderBy()
-	{
-		$query = $this->getSelectQuery();
-		$query->orderBy('id DESC');
-		$this->assertEquals('SELECT test.* FROM test ORDER BY id DESC', $query->getQuery());
-	}
+    public function testOrderBy()
+    {
+        $query = $this->getSelectQuery();
+        $query->orderBy('id DESC');
+        $this->assertEquals('SELECT test.* FROM test ORDER BY id DESC', $query->getQuery());
+    }
 
-	public function testOrderByFlavor2()
-	{
-		$query = $this->getSelectQuery();
-		$query->orderBy('id', 'DESC');
-		$this->assertEquals('SELECT test.* FROM test ORDER BY id DESC', $query->getQuery());
-	}
+    public function testOrderByFlavor2()
+    {
+        $query = $this->getSelectQuery();
+        $query->orderBy('id', 'DESC');
+        $this->assertEquals('SELECT test.* FROM test ORDER BY id DESC', $query->getQuery());
+    }
 
-	public function testOrderByMultiple()
-	{
-		$query = $this->getSelectQuery();
-		$query->orderBy('id', 'DESC');
-		$query->orderBy('id2', 'ASC');
-		$this->assertEquals('SELECT test.* FROM test ORDER BY id DESC, id2 ASC', $query->getQuery());
-	}
+    public function testOrderByMultiple()
+    {
+        $query = $this->getSelectQuery();
+        $query->orderBy('id', 'DESC');
+        $query->orderBy('id2', 'ASC');
+        $this->assertEquals('SELECT test.* FROM test ORDER BY id DESC, id2 ASC', $query->getQuery());
+    }
 
-	public function testResettingOrderBy()
-	{
-		$query = $this->getSelectQuery();
-		$query->orderBy('id', 'DESC');
-		$query->orderBy(null);
-		$query->orderBy('id2', 'ASC');
-		$this->assertEquals('SELECT test.* FROM test ORDER BY id2 ASC', $query->getQuery());
-	}
+    public function testResettingOrderBy()
+    {
+        $query = $this->getSelectQuery();
+        $query->orderBy('id', 'DESC');
+        $query->orderBy(null);
+        $query->orderBy('id2', 'ASC');
+        $this->assertEquals('SELECT test.* FROM test ORDER BY id2 ASC', $query->getQuery());
+    }
 
-	public function testLimit()
-	{
-		$query = $this->getSelectQuery();
-		$query->limit(5);
-		$this->assertEquals('SELECT test.* FROM test LIMIT 5', $query->getQuery());
-	}
+    public function testLimit()
+    {
+        $query = $this->getSelectQuery();
+        $query->limit(5);
+        $this->assertEquals('SELECT test.* FROM test LIMIT 5', $query->getQuery());
+    }
 
-	public function testLimitWithOffset()
-	{
-		$query = $this->getSelectQuery();
-		$query->offset(2);
-		$query->limit(5);
-		$this->assertEquals('SELECT test.* FROM test LIMIT 5 OFFSET 2', $query->getQuery());
-	}
+    public function testLimitWithOffset()
+    {
+        $query = $this->getSelectQuery();
+        $query->offset(2);
+        $query->limit(5);
+        $this->assertEquals('SELECT test.* FROM test LIMIT 5 OFFSET 2', $query->getQuery());
+    }
 
-	public function testOffsetWithoutLimit()
-	{
-		$query = $this->getSelectQuery();
-		$query->offset(2);
-		$query->limit(null);
-		$this->assertEquals('SELECT test.* FROM test', $query->getQuery());
-	}
+    public function testOffsetWithoutLimit()
+    {
+        $query = $this->getSelectQuery();
+        $query->offset(2);
+        $query->limit(null);
+        $this->assertEquals('SELECT test.* FROM test', $query->getQuery());
+    }
 
-	private function getSelectQuery()
-	{
-		$pdoMock = $this->mock(PDOEx::class);
-		return new SelectQuery($pdoMock, 'test');
-	}
+    private function getSelectQuery()
+    {
+        $pdoMock = $this->mock(PDOEx::class);
+        return new SelectQuery($pdoMock, 'test');
+    }
 }
diff --git a/tests/PDOEx/UpdateQueryTest.php b/tests/PDOEx/UpdateQueryTest.php
index aa023b26..4194c59a 100644
--- a/tests/PDOEx/UpdateQueryTest.php
+++ b/tests/PDOEx/UpdateQueryTest.php
@@ -6,16 +6,16 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class UpdateQueryTest extends AbstractTestCase
 {
-	public function testDefault()
-	{
-		$query = $this->getUpdateQuery();
-		$query->set(['key1' => 'value', 'key2' => 'value2']);
-		$this->assertRegExp('/^UPDATE test SET key1 = :\w*, key2 = :\w*$/', $query->getQuery());
-	}
+    public function testDefault()
+    {
+        $query = $this->getUpdateQuery();
+        $query->set(['key1' => 'value', 'key2' => 'value2']);
+        $this->assertRegExp('/^UPDATE test SET key1 = :\w*, key2 = :\w*$/', $query->getQuery());
+    }
 
-	private function getUpdateQuery()
-	{
-		$pdoMock = $this->mock(PDOEx::class);
-		return new UpdateQuery($pdoMock, 'test');
-	}
+    private function getUpdateQuery()
+    {
+        $pdoMock = $this->mock(PDOEx::class);
+        return new UpdateQuery($pdoMock, 'test');
+    }
 }
diff --git a/tests/PrivilegeTest.php b/tests/PrivilegeTest.php
index 1ddec749..a0e27941 100644
--- a/tests/PrivilegeTest.php
+++ b/tests/PrivilegeTest.php
@@ -7,25 +7,25 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class PrivilegeTest extends AbstractTestCase
 {
-	public function testConstNaming()
-	{
-		$refl = new \ReflectionClass(Privilege::class);
-		foreach ($refl->getConstants() as $key => $value)
-		{
-			$value = strtoupper(ltrim(preg_replace('/[A-Z]/', '_\0', $value), '_'));
-			$this->assertEquals($key, $value);
-		}
-	}
+    public function testConstNaming()
+    {
+        $refl = new \ReflectionClass(Privilege::class);
+        foreach ($refl->getConstants() as $key => $value)
+        {
+            $value = strtoupper(ltrim(preg_replace('/[A-Z]/', '_\0', $value), '_'));
+            $this->assertEquals($key, $value);
+        }
+    }
 
-	public function testConfigSectionNaming()
-	{
-		$refl = new \ReflectionClass(Privilege::class);
-		$constants = array_values($refl->getConstants());
+    public function testConfigSectionNaming()
+    {
+        $refl = new \ReflectionClass(Privilege::class);
+        $constants = array_values($refl->getConstants());
 
-		$config = Injector::get(Config::class);
-		foreach ($config->security->privileges as $key => $value)
-		{
-			$this->assertTrue(in_array($key, $constants), "$key not in constants");
-		}
-	}
+        $config = Injector::get(Config::class);
+        foreach ($config->security->privileges as $key => $value)
+        {
+            $this->assertTrue(in_array($key, $constants), "$key not in constants");
+        }
+    }
 }
diff --git a/tests/RouteRepositoryTest.php b/tests/RouteRepositoryTest.php
index 8d07208a..d77b15ac 100644
--- a/tests/RouteRepositoryTest.php
+++ b/tests/RouteRepositoryTest.php
@@ -8,54 +8,54 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class RouteRepositoryTest extends AbstractDatabaseTestCase
 {
-	public function testFactory()
-	{
-		$routeRepository = Injector::get(RouteRepository::class);
-		$this->assertNotEmpty($routeRepository->getRoutes());
-	}
+    public function testFactory()
+    {
+        $routeRepository = Injector::get(RouteRepository::class);
+        $this->assertNotEmpty($routeRepository->getRoutes());
+    }
 
-	public function testRouteMethods()
-	{
-		$routeRepository = Injector::get(RouteRepository::class);
-		foreach ($routeRepository->getRoutes() as $route)
-		{
-			foreach ($route->getMethods() as $method)
-			{
-				$this->assertContains($method, ['GET', 'POST', 'PUT', 'DELETE']);
-			}
-		}
-	}
+    public function testRouteMethods()
+    {
+        $routeRepository = Injector::get(RouteRepository::class);
+        foreach ($routeRepository->getRoutes() as $route)
+        {
+            foreach ($route->getMethods() as $method)
+            {
+                $this->assertContains($method, ['GET', 'POST', 'PUT', 'DELETE']);
+            }
+        }
+    }
 
-	public function testRouteUrls()
-	{
-		$routeRepository = Injector::get(RouteRepository::class);
-		foreach ($routeRepository->getRoutes() as $route)
-		{
-			$this->assertEquals(0, strpos($route->getUrl(), '/api/'));
-		}
-	}
+    public function testRouteUrls()
+    {
+        $routeRepository = Injector::get(RouteRepository::class);
+        foreach ($routeRepository->getRoutes() as $route)
+        {
+            $this->assertEquals(0, strpos($route->getUrl(), '/api/'));
+        }
+    }
 
-	public function testRouteInjection()
-	{
-		$routerMock = $this->mock(Router::class);
-		$routeMock = $this->mock(AbstractRoute::class);
-		$routeMock->expects($this->once())->method('getMethods')->willReturn(['POST', 'GET']);
-		$routeMock->expects($this->atLeast(1))->method('getUrl')->willReturn('/test');
-		$routerMock->expects($this->once())->method('post')->with('/test', $this->anything());
-		$routerMock->expects($this->once())->method('get')->with('/test', $this->anything());
-		$routeRepository = new RouteRepository([$routeMock]);
-		$routeRepository->injectRoutes($routerMock);
-	}
+    public function testRouteInjection()
+    {
+        $routerMock = $this->mock(Router::class);
+        $routeMock = $this->mock(AbstractRoute::class);
+        $routeMock->expects($this->once())->method('getMethods')->willReturn(['POST', 'GET']);
+        $routeMock->expects($this->atLeast(1))->method('getUrl')->willReturn('/test');
+        $routerMock->expects($this->once())->method('post')->with('/test', $this->anything());
+        $routerMock->expects($this->once())->method('get')->with('/test', $this->anything());
+        $routeRepository = new RouteRepository([$routeMock]);
+        $routeRepository->injectRoutes($routerMock);
+    }
 
-	public function testRouteCallbackInjection()
-	{
-		$router = new Router();
-		$routeMock = $this->mock(AbstractRoute::class);
-		$routeMock->expects($this->once())->method('getMethods')->willReturn(['POST', 'GET']);
-		$routeMock->expects($this->atLeast(1))->method('getUrl')->willReturn('/test');
-		$routeMock->expects($this->atLeast(1))->method('work');
-		$routeRepository = new RouteRepository([$routeMock]);
-		$routeRepository->injectRoutes($router);
-		$router->handle('GET', '/test');
-	}
+    public function testRouteCallbackInjection()
+    {
+        $router = new Router();
+        $routeMock = $this->mock(AbstractRoute::class);
+        $routeMock->expects($this->once())->method('getMethods')->willReturn(['POST', 'GET']);
+        $routeMock->expects($this->atLeast(1))->method('getUrl')->willReturn('/test');
+        $routeMock->expects($this->atLeast(1))->method('work');
+        $routeRepository = new RouteRepository([$routeMock]);
+        $routeRepository->injectRoutes($router);
+        $router->handle('GET', '/test');
+    }
 }
diff --git a/tests/RouterTest.php b/tests/RouterTest.php
index 5e0b3a3e..2989a8d1 100644
--- a/tests/RouterTest.php
+++ b/tests/RouterTest.php
@@ -6,119 +6,119 @@ use Szurubooru\Tests\TestController;
 
 final class PostDaoTest extends AbstractTestCase
 {
-	public function testParameterlessHandling()
-	{
-		$router = new Router;
-		$testOk = false;
-		$router->get('/test', function() use (&$testOk) { $testOk = true; });
-		$router->handle('GET', '/test');
-		$this->assertTrue($testOk);
-	}
+    public function testParameterlessHandling()
+    {
+        $router = new Router;
+        $testOk = false;
+        $router->get('/test', function() use (&$testOk) { $testOk = true; });
+        $router->handle('GET', '/test');
+        $this->assertTrue($testOk);
+    }
 
-	public function testTrailingSlashes()
-	{
-		$router = new Router;
-		$testOk = false;
-		$router->get('/test', function() use (&$testOk) { $testOk = true; });
-		$router->handle('GET', '/test/');
-		$this->assertTrue($testOk);
-	}
+    public function testTrailingSlashes()
+    {
+        $router = new Router;
+        $testOk = false;
+        $router->get('/test', function() use (&$testOk) { $testOk = true; });
+        $router->handle('GET', '/test/');
+        $this->assertTrue($testOk);
+    }
 
-	public function testUnhandledMethod()
-	{
-		$router = new Router;
-		$router->get('/test', function() { $this->fail('Route shouldn\'t be executed'); });
-		$this->setExpectedException(\DomainException::class);
-		$router->handle('POST', '/test');
-	}
+    public function testUnhandledMethod()
+    {
+        $router = new Router;
+        $router->get('/test', function() { $this->fail('Route shouldn\'t be executed'); });
+        $this->setExpectedException(\DomainException::class);
+        $router->handle('POST', '/test');
+    }
 
-	public function testUnhandledQuery()
-	{
-		$router = new Router;
-		$router->get('/test', function() { $this->fail('Route shouldn\'t be executed'); });
-		$this->setExpectedException(\DomainException::class);
-		$router->handle('GET', '/test2');
-	}
+    public function testUnhandledQuery()
+    {
+        $router = new Router;
+        $router->get('/test', function() { $this->fail('Route shouldn\'t be executed'); });
+        $this->setExpectedException(\DomainException::class);
+        $router->handle('GET', '/test2');
+    }
 
-	public function testTwoMethodsHandling()
-	{
-		$router = new Router;
-		$testOk = false;
-		$router->get('/test', function() { $this->fail('Route shouldn\'t be executed'); });
-		$router->post('/test', function() use (&$testOk) { $testOk = true; });
-		$router->handle('POST', '/test');
-		$this->assertTrue($testOk);
-	}
+    public function testTwoMethodsHandling()
+    {
+        $router = new Router;
+        $testOk = false;
+        $router->get('/test', function() { $this->fail('Route shouldn\'t be executed'); });
+        $router->post('/test', function() use (&$testOk) { $testOk = true; });
+        $router->handle('POST', '/test');
+        $this->assertTrue($testOk);
+    }
 
-	public function testParameterHandling()
-	{
-		$router = new Router;
-		$testOk = false;
-		$router->get('/tests/:id', function($args) use (&$testOk) {
-			extract($args);
-			$this->assertEquals($id, 'test_id');
-			$testOk = true; });
+    public function testParameterHandling()
+    {
+        $router = new Router;
+        $testOk = false;
+        $router->get('/tests/:id', function($args) use (&$testOk) {
+            extract($args);
+            $this->assertEquals($id, 'test_id');
+            $testOk = true; });
 
-		$router->handle('GET', '/tests/test_id');
-		$this->assertTrue($testOk);
-	}
+        $router->handle('GET', '/tests/test_id');
+        $this->assertTrue($testOk);
+    }
 
-	public function testTwoParameterHandling()
-	{
-		$router = new Router;
-		$testOk = false;
-		$router->get('/tests/:id/:page', function($args) use (&$testOk) {
-			extract($args);
-			$this->assertEquals($id, 'test_id');
-			$this->assertEquals($page, 'test_page');
-			$testOk = true; });
+    public function testTwoParameterHandling()
+    {
+        $router = new Router;
+        $testOk = false;
+        $router->get('/tests/:id/:page', function($args) use (&$testOk) {
+            extract($args);
+            $this->assertEquals($id, 'test_id');
+            $this->assertEquals($page, 'test_page');
+            $testOk = true; });
 
-		$router->handle('GET', '/tests/test_id/test_page');
-		$this->assertTrue($testOk);
-	}
+        $router->handle('GET', '/tests/test_id/test_page');
+        $this->assertTrue($testOk);
+    }
 
-	public function testMissingParameterHandling()
-	{
-		$router = new Router;
-		$testOk = false;
-		$router->get('/tests/:id', function($args) use (&$testOk) {
-			extract($args);
-			$this->assertEquals($id, 'test_id');
-			$this->assertFalse(isset($page));
-			$testOk = true; });
+    public function testMissingParameterHandling()
+    {
+        $router = new Router;
+        $testOk = false;
+        $router->get('/tests/:id', function($args) use (&$testOk) {
+            extract($args);
+            $this->assertEquals($id, 'test_id');
+            $this->assertFalse(isset($page));
+            $testOk = true; });
 
-		$router->handle('GET', '/tests/test_id');
-		$this->assertTrue($testOk);
-	}
+        $router->handle('GET', '/tests/test_id');
+        $this->assertTrue($testOk);
+    }
 
-	public function testOutputHandling()
-	{
-		$router = new Router;
-		$router->get('/test', function() { return 'ok'; });
-		$output = $router->handle('GET', '/test');
-		$this->assertEquals('ok', $output);
-	}
+    public function testOutputHandling()
+    {
+        $router = new Router;
+        $router->get('/test', function() { return 'ok'; });
+        $output = $router->handle('GET', '/test');
+        $this->assertEquals('ok', $output);
+    }
 
-	public function testRoutingToClassMethods()
-	{
-		$router = new Router;
-		$testController = new TestController();
-		$router->get('/normal', [$testController, 'normalRoute']);
-		$router->get('/static', [TestController::class, 'staticRoute']);
-		$this->assertEquals('normal', $router->handle('GET', '/normal'));
-		$this->assertEquals('static', $router->handle('GET', '/static'));
-	}
+    public function testRoutingToClassMethods()
+    {
+        $router = new Router;
+        $testController = new TestController();
+        $router->get('/normal', [$testController, 'normalRoute']);
+        $router->get('/static', [TestController::class, 'staticRoute']);
+        $this->assertEquals('normal', $router->handle('GET', '/normal'));
+        $this->assertEquals('static', $router->handle('GET', '/static'));
+    }
 }
 
 class TestController
 {
-	public function normalRoute()
-	{
-		return 'normal';
-	}
+    public function normalRoute()
+    {
+        return 'normal';
+    }
 
-	public static function staticRoute()
-	{
-		return 'static';
-	}
+    public static function staticRoute()
+    {
+        return 'static';
+    }
 }
diff --git a/tests/SearchServices/UserSearchParserTest.php b/tests/SearchServices/UserSearchParserTest.php
index bfde61e9..54b2e407 100644
--- a/tests/SearchServices/UserSearchParserTest.php
+++ b/tests/SearchServices/UserSearchParserTest.php
@@ -7,76 +7,76 @@ use \Szurubooru\Tests\AbstractTestCase;
 
 final class UserSearchParserTest extends AbstractTestCase
 {
-	private $inputReader;
-	private $userSearchParser;
+    private $inputReader;
+    private $userSearchParser;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->inputReader = new InputReader;
-		$this->userSearchParser = new UserSearchParser();
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->inputReader = new InputReader;
+        $this->userSearchParser = new UserSearchParser();
+    }
 
-	public function testDefaultOrder()
-	{
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-		$this->assertOrderEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_ASC], $filter->getOrder());
-	}
+    public function testDefaultOrder()
+    {
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+        $this->assertOrderEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_ASC], $filter->getOrder());
+    }
 
-	public function testInvalidOrder()
-	{
-		$this->inputReader->order = 'invalid,desc';
-		$this->setExpectedException(\Exception::class);
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-	}
+    public function testInvalidOrder()
+    {
+        $this->inputReader->order = 'invalid,desc';
+        $this->setExpectedException(\Exception::class);
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+    }
 
-	public function testInvalidOrderDirection()
-	{
-		$this->inputReader->order = 'name,invalid';
-		$this->setExpectedException(\Exception::class);
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-	}
+    public function testInvalidOrderDirection()
+    {
+        $this->inputReader->order = 'name,invalid';
+        $this->setExpectedException(\Exception::class);
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+    }
 
-	public function testParamOrder()
-	{
-		$this->inputReader->order = 'name,desc';
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-		$this->assertOrderEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_DESC], $filter->getOrder());
-	}
+    public function testParamOrder()
+    {
+        $this->inputReader->order = 'name,desc';
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+        $this->assertOrderEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_DESC], $filter->getOrder());
+    }
 
-	public function testTokenOverwriteDefaultOrder()
-	{
-		$this->inputReader->query = 'order:name,desc';
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-		$this->assertOrderEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_DESC], $filter->getOrder());
-	}
+    public function testTokenOverwriteDefaultOrder()
+    {
+        $this->inputReader->query = 'order:name,desc';
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+        $this->assertOrderEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_DESC], $filter->getOrder());
+    }
 
-	public function testTokenOrder()
-	{
-		$this->inputReader->query = 'order:registration_time,desc';
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-		$this->assertOrderEquals([
-			UserFilter::ORDER_REGISTRATION_TIME => UserFilter::ORDER_DESC,
-			UserFilter::ORDER_NAME => UserFilter::ORDER_ASC],
-			$filter->getOrder());
-	}
+    public function testTokenOrder()
+    {
+        $this->inputReader->query = 'order:registration_time,desc';
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+        $this->assertOrderEquals([
+            UserFilter::ORDER_REGISTRATION_TIME => UserFilter::ORDER_DESC,
+            UserFilter::ORDER_NAME => UserFilter::ORDER_ASC],
+            $filter->getOrder());
+    }
 
-	public function testParamAndTokenOrder()
-	{
-		$this->inputReader->order = 'name,desc';
-		$this->inputReader->query = 'order:registration_time,desc';
-		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
-		$this->assertOrderEquals([
-			UserFilter::ORDER_REGISTRATION_TIME => UserFilter::ORDER_DESC,
-			UserFilter::ORDER_NAME => UserFilter::ORDER_DESC],
-			$filter->getOrder());
-	}
+    public function testParamAndTokenOrder()
+    {
+        $this->inputReader->order = 'name,desc';
+        $this->inputReader->query = 'order:registration_time,desc';
+        $filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+        $this->assertOrderEquals([
+            UserFilter::ORDER_REGISTRATION_TIME => UserFilter::ORDER_DESC,
+            UserFilter::ORDER_NAME => UserFilter::ORDER_DESC],
+            $filter->getOrder());
+    }
 
-	private function assertOrderEquals($expected, $actual)
-	{
-		$this->assertEquals($expected, $actual);
-		//also test associative array's key order - something that PHPUnit doesn't seem to do
-		$this->assertEquals(array_values($expected), array_values($actual));
-		$this->assertEquals(array_keys($expected), array_keys($actual));
-	}
+    private function assertOrderEquals($expected, $actual)
+    {
+        $this->assertEquals($expected, $actual);
+        //also test associative array's key order - something that PHPUnit doesn't seem to do
+        $this->assertEquals(array_values($expected), array_values($actual));
+        $this->assertEquals(array_keys($expected), array_keys($actual));
+    }
 }
diff --git a/tests/Services/AuthServiceTest.php b/tests/Services/AuthServiceTest.php
index ece217cc..0d33ef50 100644
--- a/tests/Services/AuthServiceTest.php
+++ b/tests/Services/AuthServiceTest.php
@@ -12,168 +12,168 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class AuthServiceTest extends AbstractTestCase
 {
-	private $configMock;
-	private $passwordServiceMock;
-	private $timeServiceMock;
-	private $tokenServiceMock;
-	private $userServiceMock;
+    private $configMock;
+    private $passwordServiceMock;
+    private $timeServiceMock;
+    private $tokenServiceMock;
+    private $userServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->configMock = $this->mockConfig();
-		$this->passwordServiceMock = $this->mock(PasswordService::class);
-		$this->timeServiceMock = $this->mock(TimeService::class);
-		$this->tokenServiceMock = $this->mock(TokenService::class);
-		$this->userServiceMock = $this->mock(UserService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->configMock = $this->mockConfig();
+        $this->passwordServiceMock = $this->mock(PasswordService::class);
+        $this->timeServiceMock = $this->mock(TimeService::class);
+        $this->tokenServiceMock = $this->mock(TokenService::class);
+        $this->userServiceMock = $this->mock(UserService::class);
+    }
 
-	public function testInvalidPassword()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', false);
-		$this->passwordServiceMock->expects($this->once())->method('isHashValid')->with('godzilla', 'salt', 'hash')->willReturn(false);
+    public function testInvalidPassword()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', false);
+        $this->passwordServiceMock->expects($this->once())->method('isHashValid')->with('godzilla', 'salt', 'hash')->willReturn(false);
 
-		$testUser = new User();
-		$testUser->setName('dummy');
-		$testUser->setPasswordHash('hash');
-		$testUser->setPasswordSalt('salt');
-		$this->userServiceMock->expects($this->once())->method('getByNameOrEmail')->willReturn($testUser);
+        $testUser = new User();
+        $testUser->setName('dummy');
+        $testUser->setPasswordHash('hash');
+        $testUser->setPasswordSalt('salt');
+        $this->userServiceMock->expects($this->once())->method('getByNameOrEmail')->willReturn($testUser);
 
-		$this->setExpectedException(\Exception::class, 'Specified password is invalid');
-		$authService = $this->getAuthService();
-		$formData = new LoginFormData();
-		$formData->userNameOrEmail = 'dummy';
-		$formData->password = 'godzilla';
-		$authService->loginFromCredentials($formData);
-	}
+        $this->setExpectedException(\Exception::class, 'Specified password is invalid');
+        $authService = $this->getAuthService();
+        $formData = new LoginFormData();
+        $formData->userNameOrEmail = 'dummy';
+        $formData->password = 'godzilla';
+        $authService->loginFromCredentials($formData);
+    }
 
-	public function testValidCredentials()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', false);
-		$this->passwordServiceMock->expects($this->once())->method('isHashValid')->with('godzilla', 'salt', 'hash')->willReturn(true);
+    public function testValidCredentials()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', false);
+        $this->passwordServiceMock->expects($this->once())->method('isHashValid')->with('godzilla', 'salt', 'hash')->willReturn(true);
 
-		$testUser = new User('an unusual database identifier');
-		$testUser->setName('dummy');
-		$testUser->setPasswordHash('hash');
-		$testUser->setPasswordSalt('salt');
-		$this->userServiceMock->expects($this->once())->method('getByNameOrEmail')->willReturn($testUser);
+        $testUser = new User('an unusual database identifier');
+        $testUser->setName('dummy');
+        $testUser->setPasswordHash('hash');
+        $testUser->setPasswordSalt('salt');
+        $this->userServiceMock->expects($this->once())->method('getByNameOrEmail')->willReturn($testUser);
 
-		$testToken = new Token();
-		$testToken->setName('mummy');
-		$this->tokenServiceMock->expects($this->once())->method('createAndSaveToken')->with(
-			$testUser->getId(),
-			Token::PURPOSE_LOGIN)->willReturn($testToken);
+        $testToken = new Token();
+        $testToken->setName('mummy');
+        $this->tokenServiceMock->expects($this->once())->method('createAndSaveToken')->with(
+            $testUser->getId(),
+            Token::PURPOSE_LOGIN)->willReturn($testToken);
 
-		$authService = $this->getAuthService();
-		$formData = new LoginFormData();
-		$formData->userNameOrEmail = 'dummy';
-		$formData->password = 'godzilla';
-		$authService->loginFromCredentials($formData);
+        $authService = $this->getAuthService();
+        $formData = new LoginFormData();
+        $formData->userNameOrEmail = 'dummy';
+        $formData->password = 'godzilla';
+        $authService->loginFromCredentials($formData);
 
-		$this->assertTrue($authService->isLoggedIn());
-		$this->assertEquals($testUser, $authService->getLoggedInUser());
-		$this->assertNotNull($authService->getLoginToken());
-		$this->assertEquals('mummy', $authService->getLoginToken()->getName());
-	}
+        $this->assertTrue($authService->isLoggedIn());
+        $this->assertEquals($testUser, $authService->getLoggedInUser());
+        $this->assertNotNull($authService->getLoginToken());
+        $this->assertEquals('mummy', $authService->getLoginToken()->getName());
+    }
 
-	public function testValidCredentialsUnconfirmedEmail()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', true);
-		$this->passwordServiceMock->expects($this->never())->method('isHashValid')->willReturn('hash');
+    public function testValidCredentialsUnconfirmedEmail()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', true);
+        $this->passwordServiceMock->expects($this->never())->method('isHashValid')->willReturn('hash');
 
-		$testUser = new User();
-		$testUser->setName('dummy');
-		$testUser->setPasswordHash('hash');
-		$this->userServiceMock->expects($this->once())->method('getByNameOrEmail')->willReturn($testUser);
+        $testUser = new User();
+        $testUser->setName('dummy');
+        $testUser->setPasswordHash('hash');
+        $this->userServiceMock->expects($this->once())->method('getByNameOrEmail')->willReturn($testUser);
 
-		$this->setExpectedException(\Exception::class, 'User didn\'t confirm account yet');
-		$authService = $this->getAuthService();
-		$formData = new LoginFormData();
-		$formData->userNameOrEmail = 'dummy';
-		$formData->password = 'godzilla';
-		$authService->loginFromCredentials($formData);
+        $this->setExpectedException(\Exception::class, 'User didn\'t confirm account yet');
+        $authService = $this->getAuthService();
+        $formData = new LoginFormData();
+        $formData->userNameOrEmail = 'dummy';
+        $formData->password = 'godzilla';
+        $authService->loginFromCredentials($formData);
 
-		$this->assertFalse($authService->isLoggedIn());
-		$this->assertNull($testUser, $authService->getLoggedInUser());
-		$this->assertNull($authService->getLoginToken());
-	}
+        $this->assertFalse($authService->isLoggedIn());
+        $this->assertNull($testUser, $authService->getLoggedInUser());
+        $this->assertNull($authService->getLoginToken());
+    }
 
-	public function testInvalidToken()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', false);
+    public function testInvalidToken()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', false);
 
-		$this->setExpectedException(\Exception::class);
-		$authService = $this->getAuthService();
-		$testToken = new Token();
-		$authService->loginFromToken($testToken);
-	}
+        $this->setExpectedException(\Exception::class);
+        $authService = $this->getAuthService();
+        $testToken = new Token();
+        $authService->loginFromToken($testToken);
+    }
 
-	public function testValidToken()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', false);
-		$testUser = new User(5);
-		$testUser->setName('dummy');
-		$this->userServiceMock->expects($this->once())->method('getById')->willReturn($testUser);
+    public function testValidToken()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', false);
+        $testUser = new User(5);
+        $testUser->setName('dummy');
+        $this->userServiceMock->expects($this->once())->method('getById')->willReturn($testUser);
 
-		$testToken = new Token();
-		$testToken->setName('dummy_token');
-		$testToken->setAdditionalData($testUser->getId());
-		$testToken->setPurpose(Token::PURPOSE_LOGIN);
+        $testToken = new Token();
+        $testToken->setName('dummy_token');
+        $testToken->setAdditionalData($testUser->getId());
+        $testToken->setPurpose(Token::PURPOSE_LOGIN);
 
-		$authService = $this->getAuthService();
-		$authService->loginFromToken($testToken);
+        $authService = $this->getAuthService();
+        $authService->loginFromToken($testToken);
 
-		$this->assertTrue($authService->isLoggedIn());
-		$this->assertEquals($testUser, $authService->getLoggedInUser());
-		$this->assertNotNull($authService->getLoginToken());
-		$this->assertEquals('dummy_token', $authService->getLoginToken()->getName());
-	}
+        $this->assertTrue($authService->isLoggedIn());
+        $this->assertEquals($testUser, $authService->getLoggedInUser());
+        $this->assertNotNull($authService->getLoginToken());
+        $this->assertEquals('dummy_token', $authService->getLoginToken()->getName());
+    }
 
-	public function testValidTokenInvalidPurpose()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', false);
-		$testToken = new Token();
-		$testToken->setName('dummy_token');
-		$testToken->setAdditionalData('whatever');
-		$testToken->setPurpose(null);
+    public function testValidTokenInvalidPurpose()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', false);
+        $testToken = new Token();
+        $testToken->setName('dummy_token');
+        $testToken->setAdditionalData('whatever');
+        $testToken->setPurpose(null);
 
-		$this->setExpectedException(\Exception::class, 'This token is not a login token');
-		$authService = $this->getAuthService();
-		$authService->loginFromToken($testToken);
+        $this->setExpectedException(\Exception::class, 'This token is not a login token');
+        $authService = $this->getAuthService();
+        $authService->loginFromToken($testToken);
 
-		$this->assertFalse($authService->isLoggedIn());
-		$this->assertNull($authService->getLoggedInUser());
-		$this->assertNull($authService->getLoginToken());
-	}
+        $this->assertFalse($authService->isLoggedIn());
+        $this->assertNull($authService->getLoggedInUser());
+        $this->assertNull($authService->getLoginToken());
+    }
 
-	public function testValidTokenUnconfirmedEmail()
-	{
-		$this->configMock->set('security/needEmailActivationToRegister', true);
-		$testUser = new User(5);
-		$testUser->setName('dummy');
-		$this->userServiceMock->expects($this->once())->method('getById')->willReturn($testUser);
+    public function testValidTokenUnconfirmedEmail()
+    {
+        $this->configMock->set('security/needEmailActivationToRegister', true);
+        $testUser = new User(5);
+        $testUser->setName('dummy');
+        $this->userServiceMock->expects($this->once())->method('getById')->willReturn($testUser);
 
-		$testToken = new Token();
-		$testToken->setName('dummy_token');
-		$testToken->setAdditionalData($testUser->getId());
-		$testToken->setPurpose(Token::PURPOSE_LOGIN);
+        $testToken = new Token();
+        $testToken->setName('dummy_token');
+        $testToken->setAdditionalData($testUser->getId());
+        $testToken->setPurpose(Token::PURPOSE_LOGIN);
 
-		$this->setExpectedException(\Exception::class, 'User didn\'t confirm account yet');
-		$authService = $this->getAuthService();
-		$authService->loginFromToken($testToken);
+        $this->setExpectedException(\Exception::class, 'User didn\'t confirm account yet');
+        $authService = $this->getAuthService();
+        $authService->loginFromToken($testToken);
 
-		$this->assertFalse($authService->isLoggedIn());
-		$this->assertNull($testUser, $authService->getLoggedInUser());
-		$this->assertNull($authService->getLoginToken());
-	}
+        $this->assertFalse($authService->isLoggedIn());
+        $this->assertNull($testUser, $authService->getLoggedInUser());
+        $this->assertNull($authService->getLoginToken());
+    }
 
-	private function getAuthService()
-	{
-		return new AuthService(
-			$this->configMock,
-			$this->passwordServiceMock,
-			$this->timeServiceMock,
-			$this->tokenServiceMock,
-			$this->userServiceMock);
-	}
+    private function getAuthService()
+    {
+        return new AuthService(
+            $this->configMock,
+            $this->passwordServiceMock,
+            $this->timeServiceMock,
+            $this->tokenServiceMock,
+            $this->userServiceMock);
+    }
 }
diff --git a/tests/Services/FavoritesServiceTest.php b/tests/Services/FavoritesServiceTest.php
index 366055d2..cfac2189 100644
--- a/tests/Services/FavoritesServiceTest.php
+++ b/tests/Services/FavoritesServiceTest.php
@@ -12,68 +12,68 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class FavoritesServiceTest extends AbstractTestCase
 {
-	private $favoritesDaoMock;
-	private $scoreDaoMock;
-	private $userDaoMock;
-	private $transactionManagerMock;
-	private $timeServiceMock;
+    private $favoritesDaoMock;
+    private $scoreDaoMock;
+    private $userDaoMock;
+    private $transactionManagerMock;
+    private $timeServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->favoritesDaoMock = $this->mock(FavoritesDao::class);
-		$this->scoreDaoMock = $this->mock(ScoreDao::class);
-		$this->userDaoMock = $this->mock(UserDao::class);
-		$this->transactionManagerMock = $this->mockTransactionManager();
-		$this->timeServiceMock = $this->mock(TimeService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->favoritesDaoMock = $this->mock(FavoritesDao::class);
+        $this->scoreDaoMock = $this->mock(ScoreDao::class);
+        $this->userDaoMock = $this->mock(UserDao::class);
+        $this->transactionManagerMock = $this->mockTransactionManager();
+        $this->timeServiceMock = $this->mock(TimeService::class);
+    }
 
-	public function testAdding()
-	{
-		$user = new User(1);
-		$post = new Post(2);
-		$fav = new Favorite();
-		$fav->setUserId($user->getId());
-		$fav->setPostId($post->getId());
-		$this->favoritesDaoMock->expects($this->once())->method('set')->with($user, $post);
+    public function testAdding()
+    {
+        $user = new User(1);
+        $post = new Post(2);
+        $fav = new Favorite();
+        $fav->setUserId($user->getId());
+        $fav->setPostId($post->getId());
+        $this->favoritesDaoMock->expects($this->once())->method('set')->with($user, $post);
 
-		$favoritesService = $this->getFavoritesService();
-		$favoritesService->addFavorite($user, $post);
-	}
+        $favoritesService = $this->getFavoritesService();
+        $favoritesService->addFavorite($user, $post);
+    }
 
-	public function testDeleting()
-	{
-		$user = new User();
-		$post = new Post();
-		$fav = new Favorite(3);
-		$this->favoritesDaoMock->expects($this->once())->method('delete')->with($user, $post);
+    public function testDeleting()
+    {
+        $user = new User();
+        $post = new Post();
+        $fav = new Favorite(3);
+        $this->favoritesDaoMock->expects($this->once())->method('delete')->with($user, $post);
 
-		$favoritesService = $this->getFavoritesService();
-		$favoritesService->deleteFavorite($user, $post);
-	}
+        $favoritesService = $this->getFavoritesService();
+        $favoritesService->deleteFavorite($user, $post);
+    }
 
-	public function testGettingByPost()
-	{
-		$post = new Post();
-		$fav1 = new Favorite();
-		$fav2 = new Favorite();
-		$fav1->setUser(new User(1));
-		$fav2->setUser(new User(2));
+    public function testGettingByPost()
+    {
+        $post = new Post();
+        $fav1 = new Favorite();
+        $fav2 = new Favorite();
+        $fav1->setUser(new User(1));
+        $fav2->setUser(new User(2));
 
-		$this->favoritesDaoMock->expects($this->once())->method('findByEntity')->with($post)->willReturn([$fav1, $fav2]);
-		$this->userDaoMock->expects($this->once())->method('findByIds')->with([1, 2]);
+        $this->favoritesDaoMock->expects($this->once())->method('findByEntity')->with($post)->willReturn([$fav1, $fav2]);
+        $this->userDaoMock->expects($this->once())->method('findByIds')->with([1, 2]);
 
-		$favoritesService = $this->getFavoritesService();
-		$favoritesService->getFavoriteUsers($post);
-	}
+        $favoritesService = $this->getFavoritesService();
+        $favoritesService->getFavoriteUsers($post);
+    }
 
-	private function getFavoritesService()
-	{
-		return new FavoritesService(
-			$this->favoritesDaoMock,
-			$this->scoreDaoMock,
-			$this->userDaoMock,
-			$this->transactionManagerMock,
-			$this->timeServiceMock);
-	}
+    private function getFavoritesService()
+    {
+        return new FavoritesService(
+            $this->favoritesDaoMock,
+            $this->scoreDaoMock,
+            $this->userDaoMock,
+            $this->transactionManagerMock,
+            $this->timeServiceMock);
+    }
 }
diff --git a/tests/Services/HistoryServiceTest.php b/tests/Services/HistoryServiceTest.php
index bc76d588..cbad2519 100644
--- a/tests/Services/HistoryServiceTest.php
+++ b/tests/Services/HistoryServiceTest.php
@@ -10,285 +10,285 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class HistoryServiceTest extends AbstractTestCase
 {
-	private $snapshotDaoMock;
-	private $timeServiceMock;
-	private $authServiceMock;
-	private $transactionManagerMock;
+    private $snapshotDaoMock;
+    private $timeServiceMock;
+    private $authServiceMock;
+    private $transactionManagerMock;
 
-	public static function dataDifferenceProvider()
-	{
-		yield
-		[
-			[],
-			[],
-			['+' => [], '-' => []]
-		];
+    public static function dataDifferenceProvider()
+    {
+        yield
+        [
+            [],
+            [],
+            ['+' => [], '-' => []]
+        ];
 
-		yield
-		[
-			['key' => 'unchangedValue'],
-			['key' => 'unchangedValue'],
-			['+' => [], '-' => []]
-		];
+        yield
+        [
+            ['key' => 'unchangedValue'],
+            ['key' => 'unchangedValue'],
+            ['+' => [], '-' => []]
+        ];
 
-		yield
-		[
-			['key' => 'newValue'],
-			[],
-			[
-				'+' => ['key' => 'newValue'],
-				'-' => []
-			]
-		];
+        yield
+        [
+            ['key' => 'newValue'],
+            [],
+            [
+                '+' => ['key' => 'newValue'],
+                '-' => []
+            ]
+        ];
 
-		yield
-		[
-			[],
-			['key' => 'deletedValue'],
-			[
-				'+' => [],
-				'-' => ['key' => 'deletedValue']
-			]
-		];
+        yield
+        [
+            [],
+            ['key' => 'deletedValue'],
+            [
+                '+' => [],
+                '-' => ['key' => 'deletedValue']
+            ]
+        ];
 
-		yield
-		[
-			['key' => 'changedValue'],
-			['key' => 'oldValue'],
-			[
-				'+' => ['key' => 'changedValue'],
-				'-' => ['key' => 'oldValue']
-			]
-		];
+        yield
+        [
+            ['key' => 'changedValue'],
+            ['key' => 'oldValue'],
+            [
+                '+' => ['key' => 'changedValue'],
+                '-' => ['key' => 'oldValue']
+            ]
+        ];
 
-		yield
-		[
-			['key' => []],
-			['key' => []],
-			[
-				'+' => [],
-				'-' => []
-			]
-		];
+        yield
+        [
+            ['key' => []],
+            ['key' => []],
+            [
+                '+' => [],
+                '-' => []
+            ]
+        ];
 
-		yield
-		[
-			['key' => ['newArrayElement']],
-			['key' => []],
-			[
-				'+' => ['key' => ['newArrayElement']],
-				'-' => []
-			]
-		];
+        yield
+        [
+            ['key' => ['newArrayElement']],
+            ['key' => []],
+            [
+                '+' => ['key' => ['newArrayElement']],
+                '-' => []
+            ]
+        ];
 
-		yield
-		[
-			['key' => []],
-			['key' => ['removedArrayElement']],
-			[
-				'+' => [],
-				'-' => ['key' => ['removedArrayElement']]
-			]
-		];
+        yield
+        [
+            ['key' => []],
+            ['key' => ['removedArrayElement']],
+            [
+                '+' => [],
+                '-' => ['key' => ['removedArrayElement']]
+            ]
+        ];
 
-		yield
-		[
-			['key' => ['unchangedArrayElement', 'newArrayElement']],
-			['key' => ['unchangedArrayElement', 'oldArrayElement']],
-			[
-				'+' => ['key' => ['newArrayElement']],
-				'-' => ['key' => ['oldArrayElement']]
-			]
-		];
-	}
+        yield
+        [
+            ['key' => ['unchangedArrayElement', 'newArrayElement']],
+            ['key' => ['unchangedArrayElement', 'oldArrayElement']],
+            [
+                '+' => ['key' => ['newArrayElement']],
+                '-' => ['key' => ['oldArrayElement']]
+            ]
+        ];
+    }
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->snapshotDaoMock = $this->mock(SnapshotDao::class);
-		$this->transactionManagerMock = $this->mockTransactionManager();
-		$this->timeServiceMock = $this->mock(TimeService::class);
-		$this->authServiceMock = $this->mock(AuthService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->snapshotDaoMock = $this->mock(SnapshotDao::class);
+        $this->transactionManagerMock = $this->mockTransactionManager();
+        $this->timeServiceMock = $this->mock(TimeService::class);
+        $this->authServiceMock = $this->mock(AuthService::class);
+    }
 
-	/**
-	 * @dataProvider dataDifferenceProvider
-	 */
-	public function testDataDifference($newData, $oldData, $expectedResult)
-	{
-		$historyService = $this->getHistoryService();
-		$this->assertEquals($expectedResult, $historyService->getDataDifference($newData, $oldData));
-	}
+    /**
+     * @dataProvider dataDifferenceProvider
+     */
+    public function testDataDifference($newData, $oldData, $expectedResult)
+    {
+        $historyService = $this->getHistoryService();
+        $this->assertEquals($expectedResult, $historyService->getDataDifference($newData, $oldData));
+    }
 
-	public static function mergingProvider()
-	{
-		{
-			//basic merging
-			$oldSnapshot = new Snapshot(1);
-			$oldSnapshot->setTime(date('c', 1));
-			$oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$oldSnapshot->setData(['old' => '1']);
+    public static function mergingProvider()
+    {
+        {
+            //basic merging
+            $oldSnapshot = new Snapshot(1);
+            $oldSnapshot->setTime(date('c', 1));
+            $oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $oldSnapshot->setData(['old' => '1']);
 
-			$newSnapshot = new Snapshot(2);
-			$newSnapshot->setTime(date('c', 2));
-			$newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$newSnapshot->setData(['new' => '2']);
+            $newSnapshot = new Snapshot(2);
+            $newSnapshot->setTime(date('c', 2));
+            $newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $newSnapshot->setData(['new' => '2']);
 
-			$expectedSnapshot = new Snapshot(1);
-			$expectedSnapshot->setTime(date('c', 3));
-			$expectedSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$expectedSnapshot->setData(['new' => '2']);
-			$expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => []]);
+            $expectedSnapshot = new Snapshot(1);
+            $expectedSnapshot->setTime(date('c', 3));
+            $expectedSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $expectedSnapshot->setData(['new' => '2']);
+            $expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => []]);
 
-			yield [[$oldSnapshot], $newSnapshot, $expectedSnapshot, date('c', 3), [2]];
-		}
+            yield [[$oldSnapshot], $newSnapshot, $expectedSnapshot, date('c', 3), [2]];
+        }
 
-		{
-			//too big time gap for merge
-			$oldSnapshot = new Snapshot(1);
-			$oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$oldSnapshot->setData(['old' => '1']);
+        {
+            //too big time gap for merge
+            $oldSnapshot = new Snapshot(1);
+            $oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $oldSnapshot->setData(['old' => '1']);
 
-			$newSnapshot = new Snapshot(2);
-			$newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$newSnapshot->setData(['new' => '2']);
+            $newSnapshot = new Snapshot(2);
+            $newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $newSnapshot->setData(['new' => '2']);
 
-			$expectedSnapshot = new Snapshot(2);
-			$expectedSnapshot->setTime(date('c', 3000));
-			$expectedSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$expectedSnapshot->setData(['new' => '2']);
-			$expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => ['old' => '1']]);
+            $expectedSnapshot = new Snapshot(2);
+            $expectedSnapshot->setTime(date('c', 3000));
+            $expectedSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $expectedSnapshot->setData(['new' => '2']);
+            $expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => ['old' => '1']]);
 
-			yield [[$oldSnapshot], $newSnapshot, $expectedSnapshot, date('c', 3000), []];
-		}
+            yield [[$oldSnapshot], $newSnapshot, $expectedSnapshot, date('c', 3000), []];
+        }
 
-		{
-			//operations done by different user shouldn't be merged
-			$oldSnapshot = new Snapshot(1);
-			$oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$oldSnapshot->setData(['old' => '1']);
-			$oldSnapshot->setUserId(1);
+        {
+            //operations done by different user shouldn't be merged
+            $oldSnapshot = new Snapshot(1);
+            $oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $oldSnapshot->setData(['old' => '1']);
+            $oldSnapshot->setUserId(1);
 
-			$newSnapshot = new Snapshot(2);
-			$newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$newSnapshot->setData(['new' => '2']);
-			$newSnapshot->setUserId(2);
+            $newSnapshot = new Snapshot(2);
+            $newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $newSnapshot->setData(['new' => '2']);
+            $newSnapshot->setUserId(2);
 
-			$expectedSnapshot = new Snapshot(2);
-			$expectedSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$expectedSnapshot->setData(['new' => '2']);
-			$expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => ['old' => '1']]);
-			$expectedSnapshot->setUserId(null);
+            $expectedSnapshot = new Snapshot(2);
+            $expectedSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $expectedSnapshot->setData(['new' => '2']);
+            $expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => ['old' => '1']]);
+            $expectedSnapshot->setUserId(null);
 
-			yield [[$oldSnapshot], $newSnapshot, $expectedSnapshot, null, []];
-		}
+            yield [[$oldSnapshot], $newSnapshot, $expectedSnapshot, null, []];
+        }
 
-		{
-			//merge that leaves only delete snapshot should be removed altogether
-			$oldSnapshot = new Snapshot(1);
-			$oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$oldSnapshot->setData(['old' => '1']);
+        {
+            //merge that leaves only delete snapshot should be removed altogether
+            $oldSnapshot = new Snapshot(1);
+            $oldSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $oldSnapshot->setData(['old' => '1']);
 
-			$newSnapshot = new Snapshot(2);
-			$newSnapshot->setOperation(Snapshot::OPERATION_DELETE);
-			$newSnapshot->setData(['new' => '2']);
+            $newSnapshot = new Snapshot(2);
+            $newSnapshot->setOperation(Snapshot::OPERATION_DELETE);
+            $newSnapshot->setData(['new' => '2']);
 
-			yield [[$oldSnapshot], $newSnapshot, null, null, [2, 1]];
-		}
+            yield [[$oldSnapshot], $newSnapshot, null, null, [2, 1]];
+        }
 
-		{
-			//chaining to creation snapshot should preserve operation type
-			$oldestSnapshot = new Snapshot(1);
-			$oldestSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$oldestSnapshot->setData(['oldest' => '0']);
+        {
+            //chaining to creation snapshot should preserve operation type
+            $oldestSnapshot = new Snapshot(1);
+            $oldestSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $oldestSnapshot->setData(['oldest' => '0']);
 
-			$oldSnapshot = new Snapshot(2);
-			$oldSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$oldSnapshot->setData(['old' => '1']);
+            $oldSnapshot = new Snapshot(2);
+            $oldSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $oldSnapshot->setData(['old' => '1']);
 
-			$newSnapshot = new Snapshot(3);
-			$newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$newSnapshot->setData(['oldest' => '0', 'new' => '2']);
+            $newSnapshot = new Snapshot(3);
+            $newSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $newSnapshot->setData(['oldest' => '0', 'new' => '2']);
 
-			$expectedSnapshot = new Snapshot(1);
-			$expectedSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$expectedSnapshot->setData(['oldest' => '0', 'new' => '2']);
-			$expectedSnapshot->setDataDifference(['+' => ['oldest' => '0', 'new' => '2'], '-' => []]);
+            $expectedSnapshot = new Snapshot(1);
+            $expectedSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $expectedSnapshot->setData(['oldest' => '0', 'new' => '2']);
+            $expectedSnapshot->setDataDifference(['+' => ['oldest' => '0', 'new' => '2'], '-' => []]);
 
-			yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, null, [3, 2]];
+            yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, null, [3, 2]];
 
-			$newSnapshot = clone($newSnapshot);
-			$newSnapshot->setId(null);
-			yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, null, [2]];
-		}
+            $newSnapshot = clone($newSnapshot);
+            $newSnapshot->setId(null);
+            yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, null, [2]];
+        }
 
-		{
-			//chaining to edit snapshot should update operation type
-			$oldestSnapshot = new Snapshot(1);
-			$oldestSnapshot->setOperation(Snapshot::OPERATION_CREATION);
-			$oldestSnapshot->setData(['oldest' => '0']);
-			$oldestSnapshot->setTime(date('c', 1));
+        {
+            //chaining to edit snapshot should update operation type
+            $oldestSnapshot = new Snapshot(1);
+            $oldestSnapshot->setOperation(Snapshot::OPERATION_CREATION);
+            $oldestSnapshot->setData(['oldest' => '0']);
+            $oldestSnapshot->setTime(date('c', 1));
 
-			$oldSnapshot = new Snapshot(2);
-			$oldSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
-			$oldSnapshot->setData(['old' => '1']);
-			$oldSnapshot->setTime(date('c', 400));
+            $oldSnapshot = new Snapshot(2);
+            $oldSnapshot->setOperation(Snapshot::OPERATION_CHANGE);
+            $oldSnapshot->setData(['old' => '1']);
+            $oldSnapshot->setTime(date('c', 400));
 
-			$newSnapshot = new Snapshot(3);
-			$newSnapshot->setOperation(Snapshot::OPERATION_DELETE);
-			$newSnapshot->setData(['new' => '2']);
-			$newSnapshot->setTime(date('c', 401));
+            $newSnapshot = new Snapshot(3);
+            $newSnapshot->setOperation(Snapshot::OPERATION_DELETE);
+            $newSnapshot->setData(['new' => '2']);
+            $newSnapshot->setTime(date('c', 401));
 
-			$expectedSnapshot = new Snapshot(2);
-			$expectedSnapshot->setOperation(Snapshot::OPERATION_DELETE);
-			$expectedSnapshot->setData(['new' => '2']);
-			$expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => ['oldest' => '0']]);
-			$expectedSnapshot->setTime(date('c', 402));
+            $expectedSnapshot = new Snapshot(2);
+            $expectedSnapshot->setOperation(Snapshot::OPERATION_DELETE);
+            $expectedSnapshot->setData(['new' => '2']);
+            $expectedSnapshot->setDataDifference(['+' => ['new' => '2'], '-' => ['oldest' => '0']]);
+            $expectedSnapshot->setTime(date('c', 402));
 
-			yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, date('c', 402), [3]];
+            yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, date('c', 402), [3]];
 
-			$newSnapshot = clone($newSnapshot);
-			$newSnapshot->setId(null);
-			yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, date('c', 402), []];
-		}
-	}
+            $newSnapshot = clone($newSnapshot);
+            $newSnapshot->setId(null);
+            yield [[$oldSnapshot, $oldestSnapshot], $newSnapshot, $expectedSnapshot, date('c', 402), []];
+        }
+    }
 
-	/**
-	 * @dataProvider mergingProvider
-	 */
-	public function testMerging($earlierSnapshots, $newSnapshot, $expectedSnapshot, $currentTime, $expectedDeletions = [])
-	{
-		$this->timeServiceMock->method('getCurrentTime')->willReturn($currentTime);
+    /**
+     * @dataProvider mergingProvider
+     */
+    public function testMerging($earlierSnapshots, $newSnapshot, $expectedSnapshot, $currentTime, $expectedDeletions = [])
+    {
+        $this->timeServiceMock->method('getCurrentTime')->willReturn($currentTime);
 
-		$this->snapshotDaoMock
-			->expects($this->once())
-			->method('findEarlierSnapshots')
-			->willReturn($earlierSnapshots);
+        $this->snapshotDaoMock
+            ->expects($this->once())
+            ->method('findEarlierSnapshots')
+            ->willReturn($earlierSnapshots);
 
-		$this->snapshotDaoMock
-			->expects($this->exactly($expectedSnapshot === null ? 0 : 1))
-			->method('save')
-			->will($this->returnCallback(function($param) use (&$actualSnapshot)
-				{
-					$actualSnapshot = $param;
-				}));
+        $this->snapshotDaoMock
+            ->expects($this->exactly($expectedSnapshot === null ? 0 : 1))
+            ->method('save')
+            ->will($this->returnCallback(function($param) use (&$actualSnapshot)
+                {
+                    $actualSnapshot = $param;
+                }));
 
-		$this->snapshotDaoMock
-			->expects($this->exactly(count($expectedDeletions)))
-			->method('deleteById')
-			->withConsecutive(...array_map(function($del) { return [$del]; }, $expectedDeletions));
+        $this->snapshotDaoMock
+            ->expects($this->exactly(count($expectedDeletions)))
+            ->method('deleteById')
+            ->withConsecutive(...array_map(function($del) { return [$del]; }, $expectedDeletions));
 
-		$historyService = $this->getHistoryService();
-		$historyService->saveSnapshot($newSnapshot);
-		$this->assertEntitiesEqual($expectedSnapshot, $actualSnapshot);
-	}
+        $historyService = $this->getHistoryService();
+        $historyService->saveSnapshot($newSnapshot);
+        $this->assertEntitiesEqual($expectedSnapshot, $actualSnapshot);
+    }
 
-	private function getHistoryService()
-	{
-		return new HistoryService(
-			$this->snapshotDaoMock,
-			$this->transactionManagerMock,
-			$this->timeServiceMock,
-			$this->authServiceMock);
-	}
+    private function getHistoryService()
+    {
+        return new HistoryService(
+            $this->snapshotDaoMock,
+            $this->transactionManagerMock,
+            $this->timeServiceMock,
+            $this->authServiceMock);
+    }
 }
diff --git a/tests/Services/ImageManipulatorTest.php b/tests/Services/ImageManipulatorTest.php
index 14617f3c..ba53452a 100644
--- a/tests/Services/ImageManipulatorTest.php
+++ b/tests/Services/ImageManipulatorTest.php
@@ -9,141 +9,141 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ImageManipulatorTest extends AbstractTestCase
 {
-	public static function imageManipulatorProvider()
-	{
-		$manipulators = [];
-		$manipulators[] = self::getImagickImageManipulator();
-		$manipulators[] = self::getGdImageManipulator();
-		$manipulators[] = self::getAutoImageManipulator();
-		return array_map(function($manipulator)
-			{
-				return [$manipulator];
-			}, array_filter($manipulators));
-	}
+    public static function imageManipulatorProvider()
+    {
+        $manipulators = [];
+        $manipulators[] = self::getImagickImageManipulator();
+        $manipulators[] = self::getGdImageManipulator();
+        $manipulators[] = self::getAutoImageManipulator();
+        return array_map(function($manipulator)
+            {
+                return [$manipulator];
+            }, array_filter($manipulators));
+    }
 
-	public function testImagickAvailability()
-	{
-		if (!self::getImagickImageManipulator())
-			$this->markTestSkipped('Imagick is not installed');
-		$this->assertTrue(true);
-	}
+    public function testImagickAvailability()
+    {
+        if (!self::getImagickImageManipulator())
+            $this->markTestSkipped('Imagick is not installed');
+        $this->assertTrue(true);
+    }
 
-	public function testGdAvailability()
-	{
-		if (!self::getGdImageManipulator())
-			$this->markTestSkipped('Gd is not installed');
-		$this->assertTrue(true);
-	}
+    public function testGdAvailability()
+    {
+        if (!self::getGdImageManipulator())
+            $this->markTestSkipped('Gd is not installed');
+        $this->assertTrue(true);
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testImageSize($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$this->assertEquals(640, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(480, $imageManipulator->getImageHeight($image));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testImageSize($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $this->assertEquals(640, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(480, $imageManipulator->getImageHeight($image));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testNonImage($imageManipulator)
-	{
-		$this->assertNull($imageManipulator->loadFromBuffer($this->getTestFile('flash.swf')));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testNonImage($imageManipulator)
+    {
+        $this->assertNull($imageManipulator->loadFromBuffer($this->getTestFile('flash.swf')));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testImageResizing($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$imageManipulator->resizeImage($image, 400, 500);
-		$this->assertEquals(400, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(500, $imageManipulator->getImageHeight($image));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testImageResizing($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $imageManipulator->resizeImage($image, 400, 500);
+        $this->assertEquals(400, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(500, $imageManipulator->getImageHeight($image));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testImageCroppingBleedWidth($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$imageManipulator->cropImage($image, 640, 480, 200, 200);
-		$this->assertEquals(440, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(280, $imageManipulator->getImageHeight($image));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testImageCroppingBleedWidth($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $imageManipulator->cropImage($image, 640, 480, 200, 200);
+        $this->assertEquals(440, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(280, $imageManipulator->getImageHeight($image));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testImageCroppingBleedPosition($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$imageManipulator->cropImage($image, 640, 480, -200, -200);
-		$this->assertEquals(440, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(280, $imageManipulator->getImageHeight($image));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testImageCroppingBleedPosition($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $imageManipulator->cropImage($image, 640, 480, -200, -200);
+        $this->assertEquals(440, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(280, $imageManipulator->getImageHeight($image));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testImageCroppingBleedBoth($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$imageManipulator->cropImage($image, 642, 481, -1, -1);
-		$this->assertEquals(640, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(480, $imageManipulator->getImageHeight($image));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testImageCroppingBleedBoth($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $imageManipulator->cropImage($image, 642, 481, -1, -1);
+        $this->assertEquals(640, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(480, $imageManipulator->getImageHeight($image));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testImageCroppingMaxBleeding($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$imageManipulator->cropImage($image, 100, 100, 1000, 1000);
-		$this->assertEquals(1, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(1, $imageManipulator->getImageHeight($image));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testImageCroppingMaxBleeding($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $imageManipulator->cropImage($image, 100, 100, 1000, 1000);
+        $this->assertEquals(1, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(1, $imageManipulator->getImageHeight($image));
+    }
 
-	/**
-	 * @dataProvider imageManipulatorProvider
-	 */
-	public function testSaving($imageManipulator)
-	{
-		$image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
-		$jpegBuffer = $imageManipulator->saveToBuffer($image, IImageManipulator::FORMAT_JPEG);
-		$pngBuffer = $imageManipulator->saveToBuffer($image, IImageManipulator::FORMAT_PNG);
-		$this->assertEquals('image/jpeg', MimeHelper::getMimeTypeFromBuffer($jpegBuffer));
-		$this->assertEquals('image/png', MimeHelper::getMimeTypeFromBuffer($pngBuffer));
-	}
+    /**
+     * @dataProvider imageManipulatorProvider
+     */
+    public function testSaving($imageManipulator)
+    {
+        $image = $imageManipulator->loadFromBuffer($this->getTestFile('image.jpg'));
+        $jpegBuffer = $imageManipulator->saveToBuffer($image, IImageManipulator::FORMAT_JPEG);
+        $pngBuffer = $imageManipulator->saveToBuffer($image, IImageManipulator::FORMAT_PNG);
+        $this->assertEquals('image/jpeg', MimeHelper::getMimeTypeFromBuffer($jpegBuffer));
+        $this->assertEquals('image/png', MimeHelper::getMimeTypeFromBuffer($pngBuffer));
+    }
 
-	private static function getImagickImageManipulator()
-	{
-		if (extension_loaded('imagick'))
-			return new ImagickImageManipulator();
-		else
-			return null;
-	}
+    private static function getImagickImageManipulator()
+    {
+        if (extension_loaded('imagick'))
+            return new ImagickImageManipulator();
+        else
+            return null;
+    }
 
-	private static function getGdImageManipulator()
-	{
-		if (extension_loaded('gd'))
-			return new GdImageManipulator();
-		else
-			return null;
-	}
+    private static function getGdImageManipulator()
+    {
+        if (extension_loaded('gd'))
+            return new GdImageManipulator();
+        else
+            return null;
+    }
 
-	private static function getAutoImageManipulator()
-	{
-		if (extension_loaded('gd') && extension_loaded('imagick'))
-		{
-			return new ImageManipulator(
-				self::getImagickImageManipulator(),
-				self::getGdImageManipulator());
-		}
-		return null;
-	}
+    private static function getAutoImageManipulator()
+    {
+        if (extension_loaded('gd') && extension_loaded('imagick'))
+        {
+            return new ImageManipulator(
+                self::getImagickImageManipulator(),
+                self::getGdImageManipulator());
+        }
+        return null;
+    }
 }
diff --git a/tests/Services/NetworkingServiceTest.php b/tests/Services/NetworkingServiceTest.php
index 1b63313c..5975af94 100644
--- a/tests/Services/NetworkingServiceTest.php
+++ b/tests/Services/NetworkingServiceTest.php
@@ -6,11 +6,11 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class NetworkingServiceTest extends AbstractTestCase
 {
-	public function testDownload()
-	{
-		$httpHelper = $this->mock(HttpHelper::class);
-		$networkingService = new NetworkingService($httpHelper);
-		$content = $networkingService->download('http://modernseoul.files.wordpress.com/2012/04/korean-alphabet-chart-modern-seoul.jpg');
-		$this->assertGreaterThan(0, strlen($content));
-	}
+    public function testDownload()
+    {
+        $httpHelper = $this->mock(HttpHelper::class);
+        $networkingService = new NetworkingService($httpHelper);
+        $content = $networkingService->download('http://modernseoul.files.wordpress.com/2012/04/korean-alphabet-chart-modern-seoul.jpg');
+        $this->assertGreaterThan(0, strlen($content));
+    }
 }
diff --git a/tests/Services/PasswordServiceTest.php b/tests/Services/PasswordServiceTest.php
index 65d2f29d..1be3d142 100644
--- a/tests/Services/PasswordServiceTest.php
+++ b/tests/Services/PasswordServiceTest.php
@@ -5,71 +5,71 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class PasswordServiceTest extends AbstractTestCase
 {
-	private $configMock;
+    private $configMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->configMock = $this->mockConfig();
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->configMock = $this->mockConfig();
+    }
 
-	public function testLegacyPasswordValidation()
-	{
-		$passwordService = $this->getPasswordService();
-		$this->configMock->set('security/secret', 'doesnt matter');
-		$this->assertTrue($passwordService->isHashValid('testt', 'ac63e0bcdf20b82db509d123166c4592', '2602572e077d48b35af39d1cff84bfcaa5363116'));
-	}
+    public function testLegacyPasswordValidation()
+    {
+        $passwordService = $this->getPasswordService();
+        $this->configMock->set('security/secret', 'doesnt matter');
+        $this->assertTrue($passwordService->isHashValid('testt', 'ac63e0bcdf20b82db509d123166c4592', '2602572e077d48b35af39d1cff84bfcaa5363116'));
+    }
 
-	public function testPasswordValidation()
-	{
-		$passwordService = $this->getPasswordService();
-		$this->configMock->set('security/secret', 'change');
-		$this->assertTrue($passwordService->isHashValid('testt', '/', '4f4f8b836cd65f3f1d0b7751fc442f79595c23439cd8a928af15e10807bf08cc'));
-	}
+    public function testPasswordValidation()
+    {
+        $passwordService = $this->getPasswordService();
+        $this->configMock->set('security/secret', 'change');
+        $this->assertTrue($passwordService->isHashValid('testt', '/', '4f4f8b836cd65f3f1d0b7751fc442f79595c23439cd8a928af15e10807bf08cc'));
+    }
 
-	public function testGeneratingPasswords()
-	{
-		$passwordService = $this->getPasswordService();
+    public function testGeneratingPasswords()
+    {
+        $passwordService = $this->getPasswordService();
 
-		$sampleCount = 10000;
-		$distribution = [];
-		for ($i = 0; $i < $sampleCount; $i ++)
-		{
-			$password = $passwordService->getRandomPassword();
-			for ($j = 0; $j < strlen($password); $j ++)
-			{
-				$c = $password{$j};
-				if (!isset($distribution[$j]))
-					$distribution[$j] = [$c => 1];
-				elseif (!isset($distribution[$j][$c]))
-					$distribution[$j][$c] = 1;
-				else
-					$distribution[$j][$c] ++;
-			}
-		}
+        $sampleCount = 10000;
+        $distribution = [];
+        for ($i = 0; $i < $sampleCount; $i ++)
+        {
+            $password = $passwordService->getRandomPassword();
+            for ($j = 0; $j < strlen($password); $j ++)
+            {
+                $c = $password{$j};
+                if (!isset($distribution[$j]))
+                    $distribution[$j] = [$c => 1];
+                elseif (!isset($distribution[$j][$c]))
+                    $distribution[$j][$c] = 1;
+                else
+                    $distribution[$j][$c] ++;
+            }
+        }
 
-		foreach ($distribution as $index => $characterDistribution)
-		{
-			$this->assertLessThan(10, $this->getRelativeStandardDeviation($characterDistribution));
-		}
-	}
+        foreach ($distribution as $index => $characterDistribution)
+        {
+            $this->assertLessThan(10, $this->getRelativeStandardDeviation($characterDistribution));
+        }
+    }
 
-	private function getStandardDeviation($sample)
-	{
-		$mean = array_sum($sample) / count($sample);
-		foreach ($sample as $key => $num)
-			$devs[$key] = pow($num - $mean, 2);
-		return sqrt(array_sum($devs) / (count($devs)));
-	}
+    private function getStandardDeviation($sample)
+    {
+        $mean = array_sum($sample) / count($sample);
+        foreach ($sample as $key => $num)
+            $devs[$key] = pow($num - $mean, 2);
+        return sqrt(array_sum($devs) / (count($devs)));
+    }
 
-	private function getRelativeStandardDeviation($sample)
-	{
-		$mean = array_sum($sample) / count($sample);
-		return 100 * $this->getStandardDeviation($sample) / $mean;
-	}
+    private function getRelativeStandardDeviation($sample)
+    {
+        $mean = array_sum($sample) / count($sample);
+        return 100 * $this->getStandardDeviation($sample) / $mean;
+    }
 
-	private function getPasswordService()
-	{
-		return new PasswordService($this->configMock);
-	}
+    private function getPasswordService()
+    {
+        return new PasswordService($this->configMock);
+    }
 }
diff --git a/tests/Services/PostServiceTest.php b/tests/Services/PostServiceTest.php
index aab63940..21a4bbc5 100644
--- a/tests/Services/PostServiceTest.php
+++ b/tests/Services/PostServiceTest.php
@@ -20,203 +20,203 @@ use Szurubooru\Validator;
 
 final class PostServiceTest extends AbstractDatabaseTestCase
 {
-	private $configMock;
-	private $validatorMock;
-	private $transactionManagerMock;
-	private $postDaoMock;
-	private $globalParamDaoMock;
-	private $authServiceMock;
-	private $timeServiceMock;
-	private $networkingServiceMock;
-	private $tagService;
-	private $postHistoryServiceMock;
-	private $imageConverterMock;
-	private $imageManipulatorMock;
+    private $configMock;
+    private $validatorMock;
+    private $transactionManagerMock;
+    private $postDaoMock;
+    private $globalParamDaoMock;
+    private $authServiceMock;
+    private $timeServiceMock;
+    private $networkingServiceMock;
+    private $tagService;
+    private $postHistoryServiceMock;
+    private $imageConverterMock;
+    private $imageManipulatorMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->configMock = $this->mockConfig();
-		$this->validatorMock = $this->mock(Validator::class);
-		$this->transactionManagerMock = $this->mockTransactionManager();
-		$this->postDaoMock = $this->mock(PostDao::class);
-		$this->globalParamDaoMock = $this->mock(GlobalParamDao::class);
-		$this->authServiceMock = $this->mock(AuthService::class);
-		$this->timeServiceMock = $this->mock(TimeService::class);
-		$this->networkingServiceMock = $this->mock(NetworkingService::class);
-		$this->tagService = Injector::get(TagService::class);
-		$this->postHistoryServiceMock = $this->mock(PostHistoryService::class);
-		$this->configMock->set('database/maxPostSize', 1000000);
-		$this->imageConverterMock = $this->mock(ImageConverter::class);
-		$this->imageManipulatorMock = $this->mock(ImageManipulator::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->configMock = $this->mockConfig();
+        $this->validatorMock = $this->mock(Validator::class);
+        $this->transactionManagerMock = $this->mockTransactionManager();
+        $this->postDaoMock = $this->mock(PostDao::class);
+        $this->globalParamDaoMock = $this->mock(GlobalParamDao::class);
+        $this->authServiceMock = $this->mock(AuthService::class);
+        $this->timeServiceMock = $this->mock(TimeService::class);
+        $this->networkingServiceMock = $this->mock(NetworkingService::class);
+        $this->tagService = Injector::get(TagService::class);
+        $this->postHistoryServiceMock = $this->mock(PostHistoryService::class);
+        $this->configMock->set('database/maxPostSize', 1000000);
+        $this->imageConverterMock = $this->mock(ImageConverter::class);
+        $this->imageManipulatorMock = $this->mock(ImageManipulator::class);
+    }
 
-	public function testCreatingYoutubePost()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->source = 'source';
-		$formData->tags = ['test', 'test2'];
-		$formData->url = 'https://www.youtube.com/watch?v=QYK2c4OVG6s';
+    public function testCreatingYoutubePost()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->source = 'source';
+        $formData->tags = ['test', 'test2'];
+        $formData->url = 'https://www.youtube.com/watch?v=QYK2c4OVG6s';
 
-		$this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
-		$this->authServiceMock->expects($this->once())->method('getLoggedInUser')->willReturn(new User(5));
-		$this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
-		$this->imageConverterMock->expects($this->never())->method('createImageFromBuffer');
+        $this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->authServiceMock->expects($this->once())->method('getLoggedInUser')->willReturn(new User(5));
+        $this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
+        $this->imageConverterMock->expects($this->never())->method('createImageFromBuffer');
 
-		$this->postService = $this->getPostService();
-		$savedPost = $this->postService->createPost($formData);
-		$this->assertEquals(Post::POST_SAFETY_SAFE, $savedPost->getSafety());
-		$this->assertEquals(5, $savedPost->getUserId());
-		$this->assertEquals(Post::POST_TYPE_YOUTUBE, $savedPost->getContentType());
-		$this->assertEquals('QYK2c4OVG6s', $savedPost->getContentChecksum());
-		$this->assertEquals('source', $savedPost->getSource());
-		$this->assertNull($savedPost->getImageWidth());
-		$this->assertNull($savedPost->getImageHeight());
-		$this->assertEquals($formData->url, $savedPost->getOriginalFileName());
-		$this->assertNull($savedPost->getOriginalFileSize());
-		$this->assertEquals(2, count($savedPost->getTags()));
-		$this->assertEquals('test', $savedPost->getTags()[0]->getName());
-		$this->assertEquals('test2', $savedPost->getTags()[1]->getName());
-	}
+        $this->postService = $this->getPostService();
+        $savedPost = $this->postService->createPost($formData);
+        $this->assertEquals(Post::POST_SAFETY_SAFE, $savedPost->getSafety());
+        $this->assertEquals(5, $savedPost->getUserId());
+        $this->assertEquals(Post::POST_TYPE_YOUTUBE, $savedPost->getContentType());
+        $this->assertEquals('QYK2c4OVG6s', $savedPost->getContentChecksum());
+        $this->assertEquals('source', $savedPost->getSource());
+        $this->assertNull($savedPost->getImageWidth());
+        $this->assertNull($savedPost->getImageHeight());
+        $this->assertEquals($formData->url, $savedPost->getOriginalFileName());
+        $this->assertNull($savedPost->getOriginalFileSize());
+        $this->assertEquals(2, count($savedPost->getTags()));
+        $this->assertEquals('test', $savedPost->getTags()[0]->getName());
+        $this->assertEquals('test2', $savedPost->getTags()[1]->getName());
+    }
 
-	public function testCreatingPosts()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->content = $this->getTestFile('image.jpg');
-		$formData->contentFileName = 'blah';
+    public function testCreatingPosts()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->content = $this->getTestFile('image.jpg');
+        $formData->contentFileName = 'blah';
 
-		$this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
-		$this->imageManipulatorMock->expects($this->once())->method('getImageWidth')->willReturn(640);
-		$this->imageManipulatorMock->expects($this->once())->method('getImageHeight')->willReturn(480);
-		$this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
+        $this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->imageManipulatorMock->expects($this->once())->method('getImageWidth')->willReturn(640);
+        $this->imageManipulatorMock->expects($this->once())->method('getImageHeight')->willReturn(480);
+        $this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
 
-		$this->postService = $this->getPostService();
-		$savedPost = $this->postService->createPost($formData);
-		$this->assertEquals(Post::POST_TYPE_IMAGE, $savedPost->getContentType());
-		$this->assertEquals('24216edd12328de3a3c55e2f98220ee7613e3be1', $savedPost->getContentChecksum());
-		$this->assertEquals($formData->contentFileName, $savedPost->getOriginalFileName());
-		$this->assertEquals(687645, $savedPost->getOriginalFileSize());
-		$this->assertEquals(640, $savedPost->getImageWidth());
-		$this->assertEquals(480, $savedPost->getImageHeight());
-	}
+        $this->postService = $this->getPostService();
+        $savedPost = $this->postService->createPost($formData);
+        $this->assertEquals(Post::POST_TYPE_IMAGE, $savedPost->getContentType());
+        $this->assertEquals('24216edd12328de3a3c55e2f98220ee7613e3be1', $savedPost->getContentChecksum());
+        $this->assertEquals($formData->contentFileName, $savedPost->getOriginalFileName());
+        $this->assertEquals(687645, $savedPost->getOriginalFileSize());
+        $this->assertEquals(640, $savedPost->getImageWidth());
+        $this->assertEquals(480, $savedPost->getImageHeight());
+    }
 
-	public function testCreatingVideos()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->content = $this->getTestFile('video.mp4');
-		$formData->contentFileName = 'blah';
+    public function testCreatingVideos()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->content = $this->getTestFile('video.mp4');
+        $formData->contentFileName = 'blah';
 
-		$this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
-		$this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
-		$this->imageConverterMock->expects($this->once())->method('createImageFromBuffer');
+        $this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
+        $this->imageConverterMock->expects($this->once())->method('createImageFromBuffer');
 
-		$this->postService = $this->getPostService();
-		$savedPost = $this->postService->createPost($formData);
-		$this->assertEquals(Post::POST_TYPE_VIDEO, $savedPost->getContentType());
-		$this->assertEquals('16dafaa07cda194d03d590529c06c6ec1a5b80b0', $savedPost->getContentChecksum());
-		$this->assertEquals($formData->contentFileName, $savedPost->getOriginalFileName());
-		$this->assertEquals(14667, $savedPost->getOriginalFileSize());
-	}
+        $this->postService = $this->getPostService();
+        $savedPost = $this->postService->createPost($formData);
+        $this->assertEquals(Post::POST_TYPE_VIDEO, $savedPost->getContentType());
+        $this->assertEquals('16dafaa07cda194d03d590529c06c6ec1a5b80b0', $savedPost->getContentChecksum());
+        $this->assertEquals($formData->contentFileName, $savedPost->getOriginalFileName());
+        $this->assertEquals(14667, $savedPost->getOriginalFileSize());
+    }
 
-	public function testCreatingFlashes()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->content = $this->getTestFile('flash.swf');
-		$formData->contentFileName = 'blah';
+    public function testCreatingFlashes()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->content = $this->getTestFile('flash.swf');
+        $formData->contentFileName = 'blah';
 
-		$this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
-		$this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
-		$this->imageConverterMock->expects($this->once())->method('createImageFromBuffer');
+        $this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
+        $this->imageConverterMock->expects($this->once())->method('createImageFromBuffer');
 
-		$this->postService = $this->getPostService();
-		$savedPost = $this->postService->createPost($formData);
-		$this->assertEquals(Post::POST_TYPE_FLASH, $savedPost->getContentType());
-		$this->assertEquals('d897e044b801d892291b440534c3be3739034f68', $savedPost->getContentChecksum());
-		$this->assertEquals($formData->contentFileName, $savedPost->getOriginalFileName());
-		$this->assertEquals(226172, $savedPost->getOriginalFileSize());
-	}
+        $this->postService = $this->getPostService();
+        $savedPost = $this->postService->createPost($formData);
+        $this->assertEquals(Post::POST_TYPE_FLASH, $savedPost->getContentType());
+        $this->assertEquals('d897e044b801d892291b440534c3be3739034f68', $savedPost->getContentChecksum());
+        $this->assertEquals($formData->contentFileName, $savedPost->getOriginalFileName());
+        $this->assertEquals(226172, $savedPost->getOriginalFileSize());
+    }
 
-	public function testFileDuplicates()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->content = $this->getTestFile('flash.swf');
-		$formData->contentFileName = 'blah';
+    public function testFileDuplicates()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->content = $this->getTestFile('flash.swf');
+        $formData->contentFileName = 'blah';
 
-		$this->postDaoMock->expects($this->once())->method('findByContentChecksum')->willReturn(new Post(5));
-		$this->setExpectedException(\Exception::class, 'Duplicate post: @5');
+        $this->postDaoMock->expects($this->once())->method('findByContentChecksum')->willReturn(new Post(5));
+        $this->setExpectedException(\Exception::class, 'Duplicate post: @5');
 
-		$this->postService = $this->getPostService();
-		$this->postService->createPost($formData);
-	}
+        $this->postService = $this->getPostService();
+        $this->postService->createPost($formData);
+    }
 
-	public function testYoutubeDuplicates()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->url = 'https://www.youtube.com/watch?v=QYK2c4OVG6s';
+    public function testYoutubeDuplicates()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->url = 'https://www.youtube.com/watch?v=QYK2c4OVG6s';
 
-		$this->postDaoMock->expects($this->once())->method('findByContentChecksum')->with('QYK2c4OVG6s')->willReturn(new Post(5));
-		$this->setExpectedException(\Exception::class, 'Duplicate post: @5');
+        $this->postDaoMock->expects($this->once())->method('findByContentChecksum')->with('QYK2c4OVG6s')->willReturn(new Post(5));
+        $this->setExpectedException(\Exception::class, 'Duplicate post: @5');
 
-		$this->postService = $this->getPostService();
-		$this->postService->createPost($formData);
-	}
+        $this->postService = $this->getPostService();
+        $this->postService->createPost($formData);
+    }
 
-	public function testTooBigUpload()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->content = 'aa';
+    public function testTooBigUpload()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->content = 'aa';
 
-		$this->configMock->set('database/maxPostSize', 1);
-		$this->setExpectedException(\Exception::class, 'Upload is too big');
+        $this->configMock->set('database/maxPostSize', 1);
+        $this->setExpectedException(\Exception::class, 'Upload is too big');
 
-		$this->postService = $this->getPostService();
-		$this->postService->createPost($formData);
-	}
+        $this->postService = $this->getPostService();
+        $this->postService->createPost($formData);
+    }
 
-	public function testAnonymousUploads()
-	{
-		$formData = new UploadFormData;
-		$formData->safety = Post::POST_SAFETY_SAFE;
-		$formData->tags = ['test'];
-		$formData->url = 'https://www.youtube.com/watch?v=QYK2c4OVG6s';
-		$formData->anonymous = true;
+    public function testAnonymousUploads()
+    {
+        $formData = new UploadFormData;
+        $formData->safety = Post::POST_SAFETY_SAFE;
+        $formData->tags = ['test'];
+        $formData->url = 'https://www.youtube.com/watch?v=QYK2c4OVG6s';
+        $formData->anonymous = true;
 
-		$this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
-		$this->authServiceMock->expects($this->once())->method('loginAnonymous');
-		$this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
+        $this->postDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->authServiceMock->expects($this->once())->method('loginAnonymous');
+        $this->postHistoryServiceMock->expects($this->once())->method('savePostCreation')->willReturn(new Snapshot());
 
-		$this->postService = $this->getPostService();
-		$savedPost = $this->postService->createPost($formData);
-		$this->assertNull($savedPost->getUserId());
-	}
+        $this->postService = $this->getPostService();
+        $savedPost = $this->postService->createPost($formData);
+        $this->assertNull($savedPost->getUserId());
+    }
 
-	private function getPostService()
-	{
-		return new PostService(
-			$this->configMock,
-			$this->validatorMock,
-			$this->transactionManagerMock,
-			$this->postDaoMock,
-			$this->globalParamDaoMock,
-			$this->authServiceMock,
-			$this->timeServiceMock,
-			$this->networkingServiceMock,
-			$this->tagService,
-			$this->postHistoryServiceMock,
-			$this->imageConverterMock,
-			$this->imageManipulatorMock);
-	}
+    private function getPostService()
+    {
+        return new PostService(
+            $this->configMock,
+            $this->validatorMock,
+            $this->transactionManagerMock,
+            $this->postDaoMock,
+            $this->globalParamDaoMock,
+            $this->authServiceMock,
+            $this->timeServiceMock,
+            $this->networkingServiceMock,
+            $this->tagService,
+            $this->postHistoryServiceMock,
+            $this->imageConverterMock,
+            $this->imageManipulatorMock);
+    }
 }
diff --git a/tests/Services/PostSnapshotProviderTest.php b/tests/Services/PostSnapshotProviderTest.php
index 6c4d7d3a..ffe509be 100644
--- a/tests/Services/PostSnapshotProviderTest.php
+++ b/tests/Services/PostSnapshotProviderTest.php
@@ -12,94 +12,94 @@ use Szurubooru\Tests\AbstractTestCase;
 
 class PostSnapshotProviderTest extends AbstractTestCase
 {
-	private $globalParamDaoMock;
+    private $globalParamDaoMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->globalParamDaoMock = $this->mock(GlobalParamDao::class);
-		$this->postNoteDaoMock = $this->mock(PostNoteDao::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->globalParamDaoMock = $this->mock(GlobalParamDao::class);
+        $this->postNoteDaoMock = $this->mock(PostNoteDao::class);
+    }
 
-	public function testPostChangeSnapshot()
-	{
-		$tag1 = new Tag();
-		$tag2 = new Tag();
-		$tag1->setName('tag1');
-		$tag2->setName('tag2');
-		$post1 = new Post(1);
-		$post2 = new Post(2);
+    public function testPostChangeSnapshot()
+    {
+        $tag1 = new Tag();
+        $tag2 = new Tag();
+        $tag1->setName('tag1');
+        $tag2->setName('tag2');
+        $post1 = new Post(1);
+        $post2 = new Post(2);
 
-		$post = new Post(5);
-		$post->setTags([$tag1, $tag2]);
-		$post->setRelatedPosts([$post1, $post2]);
-		$post->setContentChecksum('checksum');
-		$post->setSafety(Post::POST_SAFETY_SKETCHY);
-		$post->setSource('amazing source');
-		$post->setFlags(Post::FLAG_LOOP);
+        $post = new Post(5);
+        $post->setTags([$tag1, $tag2]);
+        $post->setRelatedPosts([$post1, $post2]);
+        $post->setContentChecksum('checksum');
+        $post->setSafety(Post::POST_SAFETY_SKETCHY);
+        $post->setSource('amazing source');
+        $post->setFlags(Post::FLAG_LOOP);
 
-		$this->postNoteDaoMock
-			->method('findByPostId')
-			->with($post->getId())
-			->willReturn([$this->getTestPostNote()]);
+        $this->postNoteDaoMock
+            ->method('findByPostId')
+            ->with($post->getId())
+            ->willReturn([$this->getTestPostNote()]);
 
-		$postSnapshotProvider = $this->getPostSnapshotProvider();
-		$snapshot = $postSnapshotProvider->getChangeSnapshot($post);
+        $postSnapshotProvider = $this->getPostSnapshotProvider();
+        $snapshot = $postSnapshotProvider->getChangeSnapshot($post);
 
-		$this->assertEquals([
-			'source' => 'amazing source',
-			'safety' => 'sketchy',
-			'contentChecksum' => 'checksum',
-			'featured' => false,
-			'tags' => ['tag1', 'tag2'],
-			'relations' => [1, 2],
-			'flags' => ['loop'],
-			'notes' => [['x' => 5, 'y' => 6, 'w' => 7, 'h' => 8, 'text' => 'text']],
-		], $snapshot->getData());
+        $this->assertEquals([
+            'source' => 'amazing source',
+            'safety' => 'sketchy',
+            'contentChecksum' => 'checksum',
+            'featured' => false,
+            'tags' => ['tag1', 'tag2'],
+            'relations' => [1, 2],
+            'flags' => ['loop'],
+            'notes' => [['x' => 5, 'y' => 6, 'w' => 7, 'h' => 8, 'text' => 'text']],
+        ], $snapshot->getData());
 
-		$this->assertEquals(Snapshot::TYPE_POST, $snapshot->getType());
-		$this->assertEquals(5, $snapshot->getPrimaryKey());
+        $this->assertEquals(Snapshot::TYPE_POST, $snapshot->getType());
+        $this->assertEquals(5, $snapshot->getPrimaryKey());
 
-		return $post;
-	}
+        return $post;
+    }
 
-	/**
-	 * @depends testPostChangeSnapshot
-	 */
-	public function testPostChangeSnapshotFeature($post)
-	{
-		$param = new GlobalParam;
-		$param->setValue($post->getId());
-		$this->globalParamDaoMock
-			->expects($this->once())
-			->method('findByKey')
-			->with(GlobalParam::KEY_FEATURED_POST)
-			->willReturn($param);
+    /**
+     * @depends testPostChangeSnapshot
+     */
+    public function testPostChangeSnapshotFeature($post)
+    {
+        $param = new GlobalParam;
+        $param->setValue($post->getId());
+        $this->globalParamDaoMock
+            ->expects($this->once())
+            ->method('findByKey')
+            ->with(GlobalParam::KEY_FEATURED_POST)
+            ->willReturn($param);
 
-		$this->postNoteDaoMock
-			->method('findByPostId')
-			->with($post->getId())
-			->willReturn([]);
+        $this->postNoteDaoMock
+            ->method('findByPostId')
+            ->with($post->getId())
+            ->willReturn([]);
 
-		$postSnapshotProvider = $this->getPostSnapshotProvider();
-		$snapshot = $postSnapshotProvider->getChangeSnapshot($post);
+        $postSnapshotProvider = $this->getPostSnapshotProvider();
+        $snapshot = $postSnapshotProvider->getChangeSnapshot($post);
 
-		$this->assertTrue($snapshot->getData()['featured']);
-	}
+        $this->assertTrue($snapshot->getData()['featured']);
+    }
 
-	private function getPostSnapshotProvider()
-	{
-		return new PostSnapshotProvider($this->globalParamDaoMock, $this->postNoteDaoMock);
-	}
+    private function getPostSnapshotProvider()
+    {
+        return new PostSnapshotProvider($this->globalParamDaoMock, $this->postNoteDaoMock);
+    }
 
-	private function getTestPostNote()
-	{
-		$postNote = new PostNote();
-		$postNote->setLeft(5);
-		$postNote->setTop(6);
-		$postNote->setWidth(7);
-		$postNote->setHeight(8);
-		$postNote->setText('text');
-		return $postNote;
-	}
+    private function getTestPostNote()
+    {
+        $postNote = new PostNote();
+        $postNote->setLeft(5);
+        $postNote->setTop(6);
+        $postNote->setWidth(7);
+        $postNote->setHeight(8);
+        $postNote->setText('text');
+        return $postNote;
+    }
 }
diff --git a/tests/Services/PrivilegeServiceTest.php b/tests/Services/PrivilegeServiceTest.php
index 1787f4bf..9f287fed 100644
--- a/tests/Services/PrivilegeServiceTest.php
+++ b/tests/Services/PrivilegeServiceTest.php
@@ -8,99 +8,99 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class PrivilegeServiceTest extends AbstractTestCase
 {
-	private $configMock;
-	private $authServiceMock;
+    private $configMock;
+    private $authServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->configMock = $this->mockConfig();
-		$this->authServiceMock = $this->mock(AuthService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->configMock = $this->mockConfig();
+        $this->authServiceMock = $this->mock(AuthService::class);
+    }
 
-	public function testReadingConfig()
-	{
-		$testUser = new User();
-		$testUser->setName('dummy');
-		$testUser->setAccessRank(User::ACCESS_RANK_POWER_USER);
-		$this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser);
+    public function testReadingConfig()
+    {
+        $testUser = new User();
+        $testUser->setName('dummy');
+        $testUser->setAccessRank(User::ACCESS_RANK_POWER_USER);
+        $this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser);
 
-		$privilege = Privilege::LIST_USERS;
-		$this->configMock->set('security/privileges/' . $privilege, 'powerUser');
+        $privilege = Privilege::LIST_USERS;
+        $this->configMock->set('security/privileges/' . $privilege, 'powerUser');
 
-		$privilegeService = $this->getPrivilegeService();
-		$this->assertEquals([$privilege], $privilegeService->getCurrentPrivileges());
-		$this->assertTrue($privilegeService->hasPrivilege($privilege));
-	}
+        $privilegeService = $this->getPrivilegeService();
+        $this->assertEquals([$privilege], $privilegeService->getCurrentPrivileges());
+        $this->assertTrue($privilegeService->hasPrivilege($privilege));
+    }
 
-	public function testIsLoggedInByNameString()
-	{
-		$testUser1 = new User();
-		$testUser1->setName('dummy');
-		$testUser2 = new User();
-		$testUser2->setName('godzilla');
-		$this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
+    public function testIsLoggedInByNameString()
+    {
+        $testUser1 = new User();
+        $testUser1->setName('dummy');
+        $testUser2 = new User();
+        $testUser2->setName('godzilla');
+        $this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
 
-		$privilegeService = $this->getPrivilegeService();
-		$this->assertTrue($privilegeService->isLoggedIn($testUser1->getName()));
-		$this->assertFalse($privilegeService->isLoggedIn($testUser2->getName()));
-	}
+        $privilegeService = $this->getPrivilegeService();
+        $this->assertTrue($privilegeService->isLoggedIn($testUser1->getName()));
+        $this->assertFalse($privilegeService->isLoggedIn($testUser2->getName()));
+    }
 
-	public function testIsLoggedInByEmailString()
-	{
-		$testUser1 = new User();
-		$testUser1->setName('user1');
-		$testUser1->setEmail('dummy');
-		$testUser2 = new User();
-		$testUser2->setName('user2');
-		$testUser2->setEmail('godzilla');
-		$this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
+    public function testIsLoggedInByEmailString()
+    {
+        $testUser1 = new User();
+        $testUser1->setName('user1');
+        $testUser1->setEmail('dummy');
+        $testUser2 = new User();
+        $testUser2->setName('user2');
+        $testUser2->setEmail('godzilla');
+        $this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
 
-		$privilegeService = $this->getPrivilegeService();
-		$this->assertTrue($privilegeService->isLoggedIn($testUser1->getEmail()));
-		$this->assertFalse($privilegeService->isLoggedIn($testUser2->getEmail()));
-	}
+        $privilegeService = $this->getPrivilegeService();
+        $this->assertTrue($privilegeService->isLoggedIn($testUser1->getEmail()));
+        $this->assertFalse($privilegeService->isLoggedIn($testUser2->getEmail()));
+    }
 
-	public function testIsLoggedInByUserId()
-	{
-		$testUser1 = new User(5);
-		$testUser2 = new User(13);
-		$this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
+    public function testIsLoggedInByUserId()
+    {
+        $testUser1 = new User(5);
+        $testUser2 = new User(13);
+        $this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
 
-		$privilegeService = $this->getPrivilegeService();
-		$this->assertTrue($privilegeService->isLoggedIn($testUser1));
-		$this->assertFalse($privilegeService->isLoggedIn($testUser2));
-	}
+        $privilegeService = $this->getPrivilegeService();
+        $this->assertTrue($privilegeService->isLoggedIn($testUser1));
+        $this->assertFalse($privilegeService->isLoggedIn($testUser2));
+    }
 
-	public function testIsLoggedInByUserName()
-	{
-		$testUser1 = new User();
-		$testUser1->setName('dummy');
-		$testUser2 = new User();
-		$testUser2->setName('godzilla');
-		$this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
+    public function testIsLoggedInByUserName()
+    {
+        $testUser1 = new User();
+        $testUser1->setName('dummy');
+        $testUser2 = new User();
+        $testUser2->setName('godzilla');
+        $this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser1);
 
-		$privilegeService = $this->getPrivilegeService();
-		$this->assertFalse($privilegeService->isLoggedIn($testUser1));
-		$this->assertFalse($privilegeService->isLoggedIn($testUser2));
-	}
+        $privilegeService = $this->getPrivilegeService();
+        $this->assertFalse($privilegeService->isLoggedIn($testUser1));
+        $this->assertFalse($privilegeService->isLoggedIn($testUser2));
+    }
 
-	public function testIsLoggedInByInvalidObject()
-	{
-		$testUser = new User();
-		$testUser->setName('dummy');
-		$this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser);
+    public function testIsLoggedInByInvalidObject()
+    {
+        $testUser = new User();
+        $testUser->setName('dummy');
+        $this->authServiceMock->expects($this->atLeastOnce())->method('getLoggedInUser')->willReturn($testUser);
 
-		$rubbish = new \StdClass;
-		$privilegeService = $this->getPrivilegeService();
-		$this->setExpectedException(\InvalidArgumentException::class);
-		$this->assertTrue($privilegeService->isLoggedIn($rubbish));
-	}
+        $rubbish = new \StdClass;
+        $privilegeService = $this->getPrivilegeService();
+        $this->setExpectedException(\InvalidArgumentException::class);
+        $this->assertTrue($privilegeService->isLoggedIn($rubbish));
+    }
 
-	private function getPrivilegeService()
-	{
-		return new PrivilegeService(
-			$this->configMock,
-			$this->authServiceMock);
-	}
+    private function getPrivilegeService()
+    {
+        return new PrivilegeService(
+            $this->configMock,
+            $this->authServiceMock);
+    }
 }
diff --git a/tests/Services/ScoreServiceTest.php b/tests/Services/ScoreServiceTest.php
index e0403a00..c4a58ee7 100644
--- a/tests/Services/ScoreServiceTest.php
+++ b/tests/Services/ScoreServiceTest.php
@@ -12,64 +12,64 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ScoreServiceTest extends AbstractTestCase
 {
-	private $scoreDaoMock;
-	private $favoritesDaoMock;
-	private $userDaoMock;
-	private $transactionManagerMock;
-	private $timeServiceMock;
+    private $scoreDaoMock;
+    private $favoritesDaoMock;
+    private $userDaoMock;
+    private $transactionManagerMock;
+    private $timeServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->scoreDaoMock = $this->mock(ScoreDao::class);
-		$this->favoritesDaoMock = $this->mock(FavoritesDao::class);
-		$this->userDaoMock = $this->mock(UserDao::class);
-		$this->transactionManagerMock = $this->mockTransactionManager();
-		$this->timeServiceMock = $this->mock(TimeService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->scoreDaoMock = $this->mock(ScoreDao::class);
+        $this->favoritesDaoMock = $this->mock(FavoritesDao::class);
+        $this->userDaoMock = $this->mock(UserDao::class);
+        $this->transactionManagerMock = $this->mockTransactionManager();
+        $this->timeServiceMock = $this->mock(TimeService::class);
+    }
 
-	public function testSetting()
-	{
-		$user = new User(1);
-		$post = new Post(2);
-		$score = new Score();
-		$score->setUserId($user->getId());
-		$score->setPostId($post->getId());
-		$score->setScore(1);
-		$this->scoreDaoMock->expects($this->once())->method('setUserScore')->with($user, $post)->willReturn(null);
+    public function testSetting()
+    {
+        $user = new User(1);
+        $post = new Post(2);
+        $score = new Score();
+        $score->setUserId($user->getId());
+        $score->setPostId($post->getId());
+        $score->setScore(1);
+        $this->scoreDaoMock->expects($this->once())->method('setUserScore')->with($user, $post)->willReturn(null);
 
-		$scoreService = $this->getScoreService();
-		$scoreService->setUserScore($user, $post, 1);
-	}
+        $scoreService = $this->getScoreService();
+        $scoreService->setUserScore($user, $post, 1);
+    }
 
-	public function testSettingInvalid()
-	{
-		$user = new User(1);
-		$post = new Post(2);
-		$this->setExpectedException(\Exception::class);
-		$scoreService = $this->getScoreService();
-		$scoreService->setUserScore($user, $post, 2);
-	}
+    public function testSettingInvalid()
+    {
+        $user = new User(1);
+        $post = new Post(2);
+        $this->setExpectedException(\Exception::class);
+        $scoreService = $this->getScoreService();
+        $scoreService->setUserScore($user, $post, 2);
+    }
 
-	public function testGetting()
-	{
-		$user = new User();
-		$post = new Post();
-		$score = new Score(3);
-		$this->scoreDaoMock->expects($this->once())->method('getUserScore')->with($user, $post)->willReturn($score);
+    public function testGetting()
+    {
+        $user = new User();
+        $post = new Post();
+        $score = new Score(3);
+        $this->scoreDaoMock->expects($this->once())->method('getUserScore')->with($user, $post)->willReturn($score);
 
-		$scoreService = $this->getScoreService();
-		$retrievedScore = $scoreService->getUserScore($user, $post);
-		$this->assertEquals($score, $retrievedScore);
-	}
+        $scoreService = $this->getScoreService();
+        $retrievedScore = $scoreService->getUserScore($user, $post);
+        $this->assertEquals($score, $retrievedScore);
+    }
 
-	private function getScoreService()
-	{
-		return new ScoreService(
-			$this->scoreDaoMock,
-			$this->favoritesDaoMock,
-			$this->userDaoMock,
-			$this->transactionManagerMock,
-			$this->timeServiceMock);
-	}
+    private function getScoreService()
+    {
+        return new ScoreService(
+            $this->scoreDaoMock,
+            $this->favoritesDaoMock,
+            $this->userDaoMock,
+            $this->transactionManagerMock,
+            $this->timeServiceMock);
+    }
 }
diff --git a/tests/Services/TagServiceTest.php b/tests/Services/TagServiceTest.php
index f83fbc61..bec0d0a2 100644
--- a/tests/Services/TagServiceTest.php
+++ b/tests/Services/TagServiceTest.php
@@ -11,174 +11,174 @@ use Szurubooru\Tests\AbstractDatabaseTestCase;
 
 final class TagServiceTest extends AbstractDatabaseTestCase
 {
-	public function testCreatingEmpty()
-	{
-		$pdo = $this->databaseConnection->getPDO();
-		$tagService = $this->getTagService();
-		$result = $tagService->createTags([]);
-		$this->assertEquals(0, count($result));
-	}
+    public function testCreatingEmpty()
+    {
+        $pdo = $this->databaseConnection->getPDO();
+        $tagService = $this->getTagService();
+        $result = $tagService->createTags([]);
+        $this->assertEquals(0, count($result));
+    }
 
-	public function testCreatingTagsWhenNoneExist()
-	{
-		$pdo = $this->databaseConnection->getPDO();
-		$tag = new Tag();
-		$tag->setName('test');
+    public function testCreatingTagsWhenNoneExist()
+    {
+        $pdo = $this->databaseConnection->getPDO();
+        $tag = new Tag();
+        $tag->setName('test');
 
-		$tagService = $this->getTagService();
-		$result = $tagService->createTags([$tag]);
-		$this->assertEquals(1, count($result));
-		$this->assertNotNull($result[0]->getId());
-		$this->assertEquals('test', $result[0]->getName());
-	}
+        $tagService = $this->getTagService();
+        $result = $tagService->createTags([$tag]);
+        $this->assertEquals(1, count($result));
+        $this->assertNotNull($result[0]->getId());
+        $this->assertEquals('test', $result[0]->getName());
+    }
 
-	public function testCreatingTagsWhenAllExist()
-	{
-		$pdo = $this->databaseConnection->getPDO();
-		$pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (1, \'test1\', \'2014-10-01 00:00:00\')');
-		$pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (2, \'test2\', \'2014-10-01 00:00:00\')');
-		$pdo->exec('UPDATE sequencer SET lastUsedId = 2 WHERE tableName = \'tags\'');
+    public function testCreatingTagsWhenAllExist()
+    {
+        $pdo = $this->databaseConnection->getPDO();
+        $pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (1, \'test1\', \'2014-10-01 00:00:00\')');
+        $pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (2, \'test2\', \'2014-10-01 00:00:00\')');
+        $pdo->exec('UPDATE sequencer SET lastUsedId = 2 WHERE tableName = \'tags\'');
 
-		$tag1 = new Tag();
-		$tag1->setName('test1');
-		$tag2 = new Tag();
-		$tag2->setName('test2');
+        $tag1 = new Tag();
+        $tag1->setName('test1');
+        $tag2 = new Tag();
+        $tag2->setName('test2');
 
-		$tagService = $this->getTagService();
-		$result = $tagService->createTags([$tag1, $tag2]);
-		$this->assertEquals(2, count($result));
-		$this->assertEquals(1, $result[0]->getId());
-		$this->assertEquals(2, $result[1]->getId());
-		$this->assertEquals('test1', $result[0]->getName());
-		$this->assertEquals('test2', $result[1]->getName());
-	}
+        $tagService = $this->getTagService();
+        $result = $tagService->createTags([$tag1, $tag2]);
+        $this->assertEquals(2, count($result));
+        $this->assertEquals(1, $result[0]->getId());
+        $this->assertEquals(2, $result[1]->getId());
+        $this->assertEquals('test1', $result[0]->getName());
+        $this->assertEquals('test2', $result[1]->getName());
+    }
 
-	public function testCreatingTagsWhenSomeExist()
-	{
-		$pdo = $this->databaseConnection->getPDO();
-		$pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (1, \'test1\', \'2014-10-01 00:00:00\')');
-		$pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (2, \'test2\', \'2014-10-01 00:00:00\')');
-		$pdo->exec('UPDATE sequencer SET lastUsedId = 2 WHERE tableName = \'tags\'');
+    public function testCreatingTagsWhenSomeExist()
+    {
+        $pdo = $this->databaseConnection->getPDO();
+        $pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (1, \'test1\', \'2014-10-01 00:00:00\')');
+        $pdo->exec('INSERT INTO tags(id, name, creationTime) VALUES (2, \'test2\', \'2014-10-01 00:00:00\')');
+        $pdo->exec('UPDATE sequencer SET lastUsedId = 2 WHERE tableName = \'tags\'');
 
-		$tag1 = new Tag();
-		$tag1->setName('test1');
-		$tag2 = new Tag();
-		$tag2->setName('test3');
+        $tag1 = new Tag();
+        $tag1->setName('test1');
+        $tag2 = new Tag();
+        $tag2->setName('test3');
 
-		$tagService = $this->getTagService();
-		$result = $tagService->createTags([$tag1, $tag2]);
-		$this->assertEquals(2, count($result));
-		$this->assertEquals(1, $result[0]->getId());
-		$this->assertNotNull($result[1]->getId());
-		$this->assertEquals('test1', $result[0]->getName());
-		$this->assertEquals('test3', $result[1]->getName());
-	}
+        $tagService = $this->getTagService();
+        $result = $tagService->createTags([$tag1, $tag2]);
+        $this->assertEquals(2, count($result));
+        $this->assertEquals(1, $result[0]->getId());
+        $this->assertNotNull($result[1]->getId());
+        $this->assertEquals('test1', $result[0]->getName());
+        $this->assertEquals('test3', $result[1]->getName());
+    }
 
-	public function testExportRelations()
-	{
-		$fileDao = $this->getPublicFileDao();
-		$tagService = $this->getTagService();
+    public function testExportRelations()
+    {
+        $fileDao = $this->getPublicFileDao();
+        $tagService = $this->getTagService();
 
-		$tag1 = new Tag();
-		$tag1->setName('test');
-		$tag1->setCreationTime(date('c'));
+        $tag1 = new Tag();
+        $tag1->setName('test');
+        $tag1->setCreationTime(date('c'));
 
-		$tag2 = new Tag();
-		$tag2->setName('test 2');
-		$tag3 = new Tag();
-		$tag3->setName('test 3');
-		$tag4 = new Tag();
-		$tag4->setName('test 4');
-		$tag5 = new Tag();
-		$tag5->setName('test 5');
-		$tagService->createTags([$tag2, $tag3, $tag4, $tag5]);
+        $tag2 = new Tag();
+        $tag2->setName('test 2');
+        $tag3 = new Tag();
+        $tag3->setName('test 3');
+        $tag4 = new Tag();
+        $tag4->setName('test 4');
+        $tag5 = new Tag();
+        $tag5->setName('test 5');
+        $tagService->createTags([$tag2, $tag3, $tag4, $tag5]);
 
-		$tag1->setImpliedTags([$tag2, $tag3]);
-		$tag1->setSuggestedTags([$tag4, $tag5]);
+        $tag1->setImpliedTags([$tag2, $tag3]);
+        $tag1->setSuggestedTags([$tag4, $tag5]);
 
-		$tagService->createTags([$tag1]);
-		$tagService->exportJson();
-		$this->assertEquals('[' .
-			'{"name":"test 2","usages":0,"banned":false},' .
-			'{"name":"test 3","usages":0,"banned":false},' .
-			'{"name":"test 4","usages":0,"banned":false},' .
-			'{"name":"test 5","usages":0,"banned":false},' .
-			'{"name":"test","usages":0,"banned":false,"implications":["test 2","test 3"],"suggestions":["test 4","test 5"]}]',
-			$fileDao->load('tags.json'));
-	}
+        $tagService->createTags([$tag1]);
+        $tagService->exportJson();
+        $this->assertEquals('[' .
+            '{"name":"test 2","usages":0,"banned":false},' .
+            '{"name":"test 3","usages":0,"banned":false},' .
+            '{"name":"test 4","usages":0,"banned":false},' .
+            '{"name":"test 5","usages":0,"banned":false},' .
+            '{"name":"test","usages":0,"banned":false,"implications":["test 2","test 3"],"suggestions":["test 4","test 5"]}]',
+            $fileDao->load('tags.json'));
+    }
 
-	public function testExportSingle()
-	{
-		$tag1 = new Tag();
-		$tag1->setName('test');
-		$tag1->setCreationTime(date('c'));
-		$fileDao = $this->getPublicFileDao();
-		$tagService = $this->getTagService();
-		$tagService->createTags([$tag1]);
-		$tagService->exportJson();
-		$this->assertEquals('[{"name":"test","usages":0,"banned":false}]', $fileDao->load('tags.json'));
-	}
+    public function testExportSingle()
+    {
+        $tag1 = new Tag();
+        $tag1->setName('test');
+        $tag1->setCreationTime(date('c'));
+        $fileDao = $this->getPublicFileDao();
+        $tagService = $this->getTagService();
+        $tagService->createTags([$tag1]);
+        $tagService->exportJson();
+        $this->assertEquals('[{"name":"test","usages":0,"banned":false}]', $fileDao->load('tags.json'));
+    }
 
-	public function testMerging()
-	{
-		$tag1 = self::getTestTag('test 1');
-		$tag2 = self::getTestTag('test 2');
-		$tag3 = self::getTestTag('test 3');
+    public function testMerging()
+    {
+        $tag1 = self::getTestTag('test 1');
+        $tag2 = self::getTestTag('test 2');
+        $tag3 = self::getTestTag('test 3');
 
-		$tagDao = Injector::get(TagDao::class);
-		$tagDao->save($tag1);
-		$tagDao->save($tag2);
-		$tagDao->save($tag3);
+        $tagDao = Injector::get(TagDao::class);
+        $tagDao->save($tag1);
+        $tagDao->save($tag2);
+        $tagDao->save($tag3);
 
-		$post1 = self::getTestPost();
-		$post2 = self::getTestPost();
-		$post3 = self::getTestPost();
-		$post1->setTags([$tag1]);
-		$post2->setTags([$tag1, $tag3]);
-		$post3->setTags([$tag2, $tag3]);
+        $post1 = self::getTestPost();
+        $post2 = self::getTestPost();
+        $post3 = self::getTestPost();
+        $post1->setTags([$tag1]);
+        $post2->setTags([$tag1, $tag3]);
+        $post3->setTags([$tag2, $tag3]);
 
-		$postDao = Injector::get(PostDao::class);
-		$postDao->save($post1);
-		$postDao->save($post2);
-		$postDao->save($post3);
+        $postDao = Injector::get(PostDao::class);
+        $postDao->save($post1);
+        $postDao->save($post2);
+        $postDao->save($post3);
 
-		$tagService = $this->getTagService();
-		$tagService->mergeTag($tag1, $tag2);
+        $tagService = $this->getTagService();
+        $tagService->mergeTag($tag1, $tag2);
 
-		$this->assertNull($tagDao->findByName($tag1->getName()));
-		$this->assertNotNull($tagDao->findByName($tag2->getName()));
+        $this->assertNull($tagDao->findByName($tag1->getName()));
+        $this->assertNotNull($tagDao->findByName($tag2->getName()));
 
-		$post1 = $postDao->findById($post1->getId());
-		$post2 = $postDao->findById($post2->getId());
-		$post3 = $postDao->findById($post3->getId());
-		$this->assertEntitiesEqual([$tag2], array_values($post1->getTags()));
-		$this->assertEntitiesEqual([$tag2, $tag3], array_values($post2->getTags()));
-		$this->assertEntitiesEqual([$tag2, $tag3], array_values($post3->getTags()));
-	}
+        $post1 = $postDao->findById($post1->getId());
+        $post2 = $postDao->findById($post2->getId());
+        $post3 = $postDao->findById($post3->getId());
+        $this->assertEntitiesEqual([$tag2], array_values($post1->getTags()));
+        $this->assertEntitiesEqual([$tag2, $tag3], array_values($post2->getTags()));
+        $this->assertEntitiesEqual([$tag2, $tag3], array_values($post3->getTags()));
+    }
 
-	public function testExportMultiple()
-	{
-		$tag1 = new Tag();
-		$tag1->setName('test1');
-		$tag1->setCreationTime(date('c'));
-		$tag2 = new Tag();
-		$tag2->setName('test2');
-		$tag2->setCreationTime(date('c'));
-		$tag2->setBanned(true);
-		$fileDao = $this->getPublicFileDao();
-		$tagService = $this->getTagService();
-		$tagService->createTags([$tag1, $tag2]);
-		$tagService->exportJson();
-		$this->assertEquals('[{"name":"test1","usages":0,"banned":false},{"name":"test2","usages":0,"banned":true}]', $fileDao->load('tags.json'));
-	}
+    public function testExportMultiple()
+    {
+        $tag1 = new Tag();
+        $tag1->setName('test1');
+        $tag1->setCreationTime(date('c'));
+        $tag2 = new Tag();
+        $tag2->setName('test2');
+        $tag2->setCreationTime(date('c'));
+        $tag2->setBanned(true);
+        $fileDao = $this->getPublicFileDao();
+        $tagService = $this->getTagService();
+        $tagService->createTags([$tag1, $tag2]);
+        $tagService->exportJson();
+        $this->assertEquals('[{"name":"test1","usages":0,"banned":false},{"name":"test2","usages":0,"banned":true}]', $fileDao->load('tags.json'));
+    }
 
-	private function getPublicFileDao()
-	{
-		return Injector::get(PublicFileDao::class);
-	}
+    private function getPublicFileDao()
+    {
+        return Injector::get(PublicFileDao::class);
+    }
 
-	private function getTagService()
-	{
-		return Injector::get(TagService::class);
-	}
+    private function getTagService()
+    {
+        return Injector::get(TagService::class);
+    }
 }
diff --git a/tests/Services/ThumbnailGeneratorTest.php b/tests/Services/ThumbnailGeneratorTest.php
index 1ec32cf5..0fd36cd9 100644
--- a/tests/Services/ThumbnailGeneratorTest.php
+++ b/tests/Services/ThumbnailGeneratorTest.php
@@ -10,101 +10,101 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ThumbnailGeneratorTest extends AbstractTestCase
 {
-	public function testFlashThumbnails()
-	{
-		if (!ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_DUMP_GNASH)
-			and !ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_SWFRENDER))
-		{
-			$this->markTestSkipped('External software necessary to run this test is missing.');
-		}
+    public function testFlashThumbnails()
+    {
+        if (!ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_DUMP_GNASH)
+            and !ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_SWFRENDER))
+        {
+            $this->markTestSkipped('External software necessary to run this test is missing.');
+        }
 
-		$thumbnailGenerator = $this->getThumbnailGenerator();
-		$imageManipulator = $this->getImageManipulator();
+        $thumbnailGenerator = $this->getThumbnailGenerator();
+        $imageManipulator = $this->getImageManipulator();
 
-		$result = $thumbnailGenerator->generate(
-			$this->getTestFile('flash.swf'),
-			150,
-			150,
-			ThumbnailGenerator::CROP_OUTSIDE,
-			IImageManipulator::FORMAT_PNG);
+        $result = $thumbnailGenerator->generate(
+            $this->getTestFile('flash.swf'),
+            150,
+            150,
+            ThumbnailGenerator::CROP_OUTSIDE,
+            IImageManipulator::FORMAT_PNG);
 
-		$image = $imageManipulator->loadFromBuffer($result);
-		$this->assertEquals(150, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(150, $imageManipulator->getImageHeight($image));
-	}
+        $image = $imageManipulator->loadFromBuffer($result);
+        $this->assertEquals(150, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(150, $imageManipulator->getImageHeight($image));
+    }
 
-	public function testVideoThumbnails()
-	{
-		if (!ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_FFMPEG)
-			and !ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_FFMPEGTHUMBNAILER))
-		{
-			$this->markTestSkipped('External software necessary to run this test is missing.');
-		}
+    public function testVideoThumbnails()
+    {
+        if (!ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_FFMPEG)
+            and !ProgramExecutor::isProgramAvailable(ImageConverter::PROGRAM_NAME_FFMPEGTHUMBNAILER))
+        {
+            $this->markTestSkipped('External software necessary to run this test is missing.');
+        }
 
-		$thumbnailGenerator = $this->getThumbnailGenerator();
-		$imageManipulator = $this->getImageManipulator();
+        $thumbnailGenerator = $this->getThumbnailGenerator();
+        $imageManipulator = $this->getImageManipulator();
 
-		$result = $thumbnailGenerator->generate(
-			$this->getTestFile('video.mp4'),
-			150,
-			150,
-			ThumbnailGenerator::CROP_OUTSIDE,
-			IImageManipulator::FORMAT_PNG);
+        $result = $thumbnailGenerator->generate(
+            $this->getTestFile('video.mp4'),
+            150,
+            150,
+            ThumbnailGenerator::CROP_OUTSIDE,
+            IImageManipulator::FORMAT_PNG);
 
-		$image = $imageManipulator->loadFromBuffer($result);
-		$this->assertEquals(150, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(150, $imageManipulator->getImageHeight($image));
-	}
+        $image = $imageManipulator->loadFromBuffer($result);
+        $this->assertEquals(150, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(150, $imageManipulator->getImageHeight($image));
+    }
 
-	public function testImageThumbnails()
-	{
-		$thumbnailGenerator = $this->getThumbnailGenerator();
-		$imageManipulator = $this->getImageManipulator();
+    public function testImageThumbnails()
+    {
+        $thumbnailGenerator = $this->getThumbnailGenerator();
+        $imageManipulator = $this->getImageManipulator();
 
-		$result = $thumbnailGenerator->generate(
-			$this->getTestFile('image.jpg'),
-			150,
-			150,
-			ThumbnailGenerator::CROP_OUTSIDE,
-			IImageManipulator::FORMAT_PNG);
+        $result = $thumbnailGenerator->generate(
+            $this->getTestFile('image.jpg'),
+            150,
+            150,
+            ThumbnailGenerator::CROP_OUTSIDE,
+            IImageManipulator::FORMAT_PNG);
 
-		$image = $imageManipulator->loadFromBuffer($result);
-		$this->assertEquals(150, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(150, $imageManipulator->getImageHeight($image));
+        $image = $imageManipulator->loadFromBuffer($result);
+        $this->assertEquals(150, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(150, $imageManipulator->getImageHeight($image));
 
-		$result = $thumbnailGenerator->generate(
-			$this->getTestFile('image.jpg'),
-			150,
-			150,
-			ThumbnailGenerator::CROP_INSIDE,
-			IImageManipulator::FORMAT_PNG);
+        $result = $thumbnailGenerator->generate(
+            $this->getTestFile('image.jpg'),
+            150,
+            150,
+            ThumbnailGenerator::CROP_INSIDE,
+            IImageManipulator::FORMAT_PNG);
 
-		$image = $imageManipulator->loadFromBuffer($result);
-		$this->assertEquals(150, $imageManipulator->getImageWidth($image));
-		$this->assertEquals(112, $imageManipulator->getImageHeight($image));
-	}
+        $image = $imageManipulator->loadFromBuffer($result);
+        $this->assertEquals(150, $imageManipulator->getImageWidth($image));
+        $this->assertEquals(112, $imageManipulator->getImageHeight($image));
+    }
 
-	public function testBadThumbnails()
-	{
-		$thumbnailGenerator = $this->getThumbnailGenerator();
-		$imageManipulator = $this->getImageManipulator();
+    public function testBadThumbnails()
+    {
+        $thumbnailGenerator = $this->getThumbnailGenerator();
+        $imageManipulator = $this->getImageManipulator();
 
-		$this->setExpectedException(\Exception::class);
-		$thumbnailGenerator->generate(
-			$this->getTestFile('text.txt'),
-			150,
-			150,
-			ThumbnailGenerator::CROP_OUTSIDE,
-			IImageManipulator::FORMAT_PNG);
-	}
+        $this->setExpectedException(\Exception::class);
+        $thumbnailGenerator->generate(
+            $this->getTestFile('text.txt'),
+            150,
+            150,
+            ThumbnailGenerator::CROP_OUTSIDE,
+            IImageManipulator::FORMAT_PNG);
+    }
 
-	public function getImageManipulator()
-	{
-		return Injector::get(ImageManipulator::class);
-	}
+    public function getImageManipulator()
+    {
+        return Injector::get(ImageManipulator::class);
+    }
 
-	public function getThumbnailGenerator()
-	{
-		return Injector::get(ThumbnailGenerator::class);
-	}
+    public function getThumbnailGenerator()
+    {
+        return Injector::get(ThumbnailGenerator::class);
+    }
 }
diff --git a/tests/Services/ThumbnailServiceTest.php b/tests/Services/ThumbnailServiceTest.php
index 62706e80..af1d766a 100644
--- a/tests/Services/ThumbnailServiceTest.php
+++ b/tests/Services/ThumbnailServiceTest.php
@@ -7,149 +7,149 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ThumbnailServiceTest extends AbstractTestCase
 {
-	private $configMock;
-	private $fileDaoMock;
-	private $thumbnailGeneratorMock;
+    private $configMock;
+    private $fileDaoMock;
+    private $thumbnailGeneratorMock;
 
-	public function setUp()
-	{
-		parent::setUp();
+    public function setUp()
+    {
+        parent::setUp();
 
-		$this->configMock = $this->mockConfig();
-		$this->fileDaoMock = $this->mock(PublicFileDao::class);
-		$this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
-		$this->thumbnailGeneratorMock = $this->mock(ThumbnailGenerator::class);
-	}
+        $this->configMock = $this->mockConfig();
+        $this->fileDaoMock = $this->mock(PublicFileDao::class);
+        $this->thumbnailServiceMock = $this->mock(ThumbnailService::class);
+        $this->thumbnailGeneratorMock = $this->mock(ThumbnailGenerator::class);
+    }
 
-	public function testGetUsedThumbnailSizes()
-	{
-		$tempDirectory = $this->createTestDirectory();
-		mkdir($tempDirectory . DIRECTORY_SEPARATOR . '5x5');
-		mkdir($tempDirectory . DIRECTORY_SEPARATOR . '10x10');
-		mkdir($tempDirectory . DIRECTORY_SEPARATOR . 'something unexpected');
-		touch($tempDirectory . DIRECTORY_SEPARATOR . '15x15');
+    public function testGetUsedThumbnailSizes()
+    {
+        $tempDirectory = $this->createTestDirectory();
+        mkdir($tempDirectory . DIRECTORY_SEPARATOR . '5x5');
+        mkdir($tempDirectory . DIRECTORY_SEPARATOR . '10x10');
+        mkdir($tempDirectory . DIRECTORY_SEPARATOR . 'something unexpected');
+        touch($tempDirectory . DIRECTORY_SEPARATOR . '15x15');
 
-		$this->fileDaoMock->expects($this->once())->method('getFullPath')->with('thumbnails')->willReturn($tempDirectory);
-		$thumbnailService = $this->getThumbnailService();
+        $this->fileDaoMock->expects($this->once())->method('getFullPath')->with('thumbnails')->willReturn($tempDirectory);
+        $thumbnailService = $this->getThumbnailService();
 
-		$expected = [[5, 5], [10, 10]];
-		$actual = iterator_to_array($thumbnailService->getUsedThumbnailSizes());
+        $expected = [[5, 5], [10, 10]];
+        $actual = iterator_to_array($thumbnailService->getUsedThumbnailSizes());
 
-		$this->assertEquals(count($expected), count($actual));
-		foreach ($expected as $v)
-			$this->assertContains($v, $actual);
-	}
+        $this->assertEquals(count($expected), count($actual));
+        foreach ($expected as $v)
+            $this->assertContains($v, $actual);
+    }
 
-	public function testDeleteUsedThumbnails()
-	{
-		$tempDirectory = $this->createTestDirectory();
-		mkdir($tempDirectory . DIRECTORY_SEPARATOR . '5x5');
-		mkdir($tempDirectory . DIRECTORY_SEPARATOR . '10x10');
-		touch($tempDirectory . DIRECTORY_SEPARATOR . '5x5' . DIRECTORY_SEPARATOR . 'remove');
-		touch($tempDirectory . DIRECTORY_SEPARATOR . '5x5' . DIRECTORY_SEPARATOR . 'keep');
-		touch($tempDirectory . DIRECTORY_SEPARATOR . '10x10' . DIRECTORY_SEPARATOR . 'remove');
+    public function testDeleteUsedThumbnails()
+    {
+        $tempDirectory = $this->createTestDirectory();
+        mkdir($tempDirectory . DIRECTORY_SEPARATOR . '5x5');
+        mkdir($tempDirectory . DIRECTORY_SEPARATOR . '10x10');
+        touch($tempDirectory . DIRECTORY_SEPARATOR . '5x5' . DIRECTORY_SEPARATOR . 'remove');
+        touch($tempDirectory . DIRECTORY_SEPARATOR . '5x5' . DIRECTORY_SEPARATOR . 'keep');
+        touch($tempDirectory . DIRECTORY_SEPARATOR . '10x10' . DIRECTORY_SEPARATOR . 'remove');
 
-		$this->fileDaoMock->expects($this->once())->method('getFullPath')->with('thumbnails')->willReturn($tempDirectory);
-		$this->fileDaoMock->expects($this->exactly(2))->method('delete')->withConsecutive(
-			['thumbnails' . DIRECTORY_SEPARATOR . '10x10' . DIRECTORY_SEPARATOR . 'remove'],
-			['thumbnails' . DIRECTORY_SEPARATOR . '5x5' . DIRECTORY_SEPARATOR . 'remove']);
-		$thumbnailService = $this->getThumbnailService();
+        $this->fileDaoMock->expects($this->once())->method('getFullPath')->with('thumbnails')->willReturn($tempDirectory);
+        $this->fileDaoMock->expects($this->exactly(2))->method('delete')->withConsecutive(
+            ['thumbnails' . DIRECTORY_SEPARATOR . '10x10' . DIRECTORY_SEPARATOR . 'remove'],
+            ['thumbnails' . DIRECTORY_SEPARATOR . '5x5' . DIRECTORY_SEPARATOR . 'remove']);
+        $thumbnailService = $this->getThumbnailService();
 
-		$thumbnailService->deleteUsedThumbnails('remove');
-	}
+        $thumbnailService->deleteUsedThumbnails('remove');
+    }
 
-	public function testGeneratingFromNonExistingSource()
-	{
-		$this->configMock->set('misc/thumbnailCropStyle', 'outside');
+    public function testGeneratingFromNonExistingSource()
+    {
+        $this->configMock->set('misc/thumbnailCropStyle', 'outside');
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('load')
-			->with('nope')
-			->willReturn(null);
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('load')
+            ->with('nope')
+            ->willReturn(null);
 
-		$this->thumbnailGeneratorMock
-			->expects($this->never())
-			->method('generate');
+        $this->thumbnailGeneratorMock
+            ->expects($this->never())
+            ->method('generate');
 
-		$this->fileDaoMock
-			->expects($this->never())
-			->method('save');
+        $this->fileDaoMock
+            ->expects($this->never())
+            ->method('save');
 
-		$thumbnailService = $this->getThumbnailService();
-		$this->assertEquals(
-			'thumbnails' . DIRECTORY_SEPARATOR . 'blank.png',
-			$thumbnailService->generate('nope', 100, 100));
-	}
+        $thumbnailService = $this->getThumbnailService();
+        $this->assertEquals(
+            'thumbnails' . DIRECTORY_SEPARATOR . 'blank.png',
+            $thumbnailService->generate('nope', 100, 100));
+    }
 
-	public function testThumbnailGeneratingFail()
-	{
-		$this->configMock->set('misc/thumbnailCropStyle', 'outside');
+    public function testThumbnailGeneratingFail()
+    {
+        $this->configMock->set('misc/thumbnailCropStyle', 'outside');
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('load')
-			->with('nope')
-			->willReturn('content of file');
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('load')
+            ->with('nope')
+            ->willReturn('content of file');
 
-		$this->thumbnailGeneratorMock
-			->expects($this->once())
-			->method('generate')
-			->with(
-				'content of file',
-				100,
-				100,
-				ThumbnailGenerator::CROP_OUTSIDE)
-			->willReturn(null);
+        $this->thumbnailGeneratorMock
+            ->expects($this->once())
+            ->method('generate')
+            ->with(
+                'content of file',
+                100,
+                100,
+                ThumbnailGenerator::CROP_OUTSIDE)
+            ->willReturn(null);
 
-		$this->fileDaoMock
-			->expects($this->never())
-			->method('save');
+        $this->fileDaoMock
+            ->expects($this->never())
+            ->method('save');
 
-		$thumbnailService = $this->getThumbnailService();
-		$this->assertEquals(
-			'thumbnails' . DIRECTORY_SEPARATOR . 'blank.png',
-			$thumbnailService->generate('nope', 100, 100));
-	}
+        $thumbnailService = $this->getThumbnailService();
+        $this->assertEquals(
+            'thumbnails' . DIRECTORY_SEPARATOR . 'blank.png',
+            $thumbnailService->generate('nope', 100, 100));
+    }
 
-	public function testThumbnailGeneratingSuccess()
-	{
-		$this->configMock->set('misc/thumbnailCropStyle', 'outside');
+    public function testThumbnailGeneratingSuccess()
+    {
+        $this->configMock->set('misc/thumbnailCropStyle', 'outside');
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('load')
-			->with('okay')
-			->willReturn('content of file');
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('load')
+            ->with('okay')
+            ->willReturn('content of file');
 
-		$this->thumbnailGeneratorMock
-			->expects($this->once())
-			->method('generate')
-			->with(
-				'content of file',
-				100,
-				100,
-				ThumbnailGenerator::CROP_OUTSIDE)
-			->willReturn('content of thumbnail');
+        $this->thumbnailGeneratorMock
+            ->expects($this->once())
+            ->method('generate')
+            ->with(
+                'content of file',
+                100,
+                100,
+                ThumbnailGenerator::CROP_OUTSIDE)
+            ->willReturn('content of thumbnail');
 
-		$this->fileDaoMock
-			->expects($this->once())
-			->method('save')
-			->with(
-				'thumbnails' . DIRECTORY_SEPARATOR . '100x100' . DIRECTORY_SEPARATOR . 'okay',
-				'content of thumbnail');
+        $this->fileDaoMock
+            ->expects($this->once())
+            ->method('save')
+            ->with(
+                'thumbnails' . DIRECTORY_SEPARATOR . '100x100' . DIRECTORY_SEPARATOR . 'okay',
+                'content of thumbnail');
 
-		$thumbnailService = $this->getThumbnailService();
-		$this->assertEquals(
-			'thumbnails' . DIRECTORY_SEPARATOR . '100x100' . DIRECTORY_SEPARATOR . 'okay',
-			$thumbnailService->generate('okay', 100, 100));
-	}
+        $thumbnailService = $this->getThumbnailService();
+        $this->assertEquals(
+            'thumbnails' . DIRECTORY_SEPARATOR . '100x100' . DIRECTORY_SEPARATOR . 'okay',
+            $thumbnailService->generate('okay', 100, 100));
+    }
 
-	private function getThumbnailService()
-	{
-		return new ThumbnailService(
-			$this->configMock,
-			$this->fileDaoMock,
-			$this->thumbnailGeneratorMock);
-	}
+    private function getThumbnailService()
+    {
+        return new ThumbnailService(
+            $this->configMock,
+            $this->fileDaoMock,
+            $this->thumbnailGeneratorMock);
+    }
 }
diff --git a/tests/Services/UserServiceTest.php b/tests/Services/UserServiceTest.php
index 26d8ded4..a8a3d43e 100644
--- a/tests/Services/UserServiceTest.php
+++ b/tests/Services/UserServiceTest.php
@@ -15,279 +15,279 @@ use Szurubooru\Validator;
 
 final class UserServiceTest extends AbstractTestCase
 {
-	private $configMock;
-	private $validatorMock;
-	private $transactionManagerMock;
-	private $userDaoMock;
-	private $passwordServiceMock;
-	private $emailServiceMock;
-	private $timeServiceMock;
-	private $tokenServiceMock;
+    private $configMock;
+    private $validatorMock;
+    private $transactionManagerMock;
+    private $userDaoMock;
+    private $passwordServiceMock;
+    private $emailServiceMock;
+    private $timeServiceMock;
+    private $tokenServiceMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->configMock = $this->mockConfig();
-		$this->transactionManagerMock = $this->mockTransactionManager();
-		$this->validatorMock = $this->mock(Validator::class);
-		$this->userDaoMock = $this->mock(UserDao::class);
-		$this->passwordServiceMock = $this->mock(PasswordService::class);
-		$this->emailServiceMock = $this->mock(EmailService::class);
-		$this->timeServiceMock = $this->mock(TimeService::class);
-		$this->tokenServiceMock = $this->mock(TokenService::class);
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->configMock = $this->mockConfig();
+        $this->transactionManagerMock = $this->mockTransactionManager();
+        $this->validatorMock = $this->mock(Validator::class);
+        $this->userDaoMock = $this->mock(UserDao::class);
+        $this->passwordServiceMock = $this->mock(PasswordService::class);
+        $this->emailServiceMock = $this->mock(EmailService::class);
+        $this->timeServiceMock = $this->mock(TimeService::class);
+        $this->tokenServiceMock = $this->mock(TokenService::class);
+    }
 
-	public function testGettingByName()
-	{
-		$testUser = new User;
-		$testUser->setName('godzilla');
-		$this->userDaoMock->expects($this->once())->method('findByName')->willReturn($testUser);
-		$userService = $this->getUserService();
-		$expected = $testUser;
-		$actual = $userService->getByName('godzilla');
-		$this->assertEquals($expected, $actual);
-	}
+    public function testGettingByName()
+    {
+        $testUser = new User;
+        $testUser->setName('godzilla');
+        $this->userDaoMock->expects($this->once())->method('findByName')->willReturn($testUser);
+        $userService = $this->getUserService();
+        $expected = $testUser;
+        $actual = $userService->getByName('godzilla');
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testGettingByNameNonExistentUsers()
-	{
-		$this->setExpectedException(\Exception::class, 'User with name "godzilla" was not found.');
-		$userService = $this->getUserService();
-		$userService->getByName('godzilla');
-	}
+    public function testGettingByNameNonExistentUsers()
+    {
+        $this->setExpectedException(\Exception::class, 'User with name "godzilla" was not found.');
+        $userService = $this->getUserService();
+        $userService->getByName('godzilla');
+    }
 
-	public function testGettingById()
-	{
-		$testUser = new User;
-		$testUser->setName('godzilla');
-		$this->userDaoMock->expects($this->once())->method('findById')->willReturn($testUser);
-		$userService = $this->getUserService();
-		$expected = $testUser;
-		$actual = $userService->getById('godzilla');
-		$this->assertEquals($expected, $actual);
-	}
+    public function testGettingById()
+    {
+        $testUser = new User;
+        $testUser->setName('godzilla');
+        $this->userDaoMock->expects($this->once())->method('findById')->willReturn($testUser);
+        $userService = $this->getUserService();
+        $expected = $testUser;
+        $actual = $userService->getById('godzilla');
+        $this->assertEquals($expected, $actual);
+    }
 
-	public function testGettingByIdNonExistentUsers()
-	{
-		$this->setExpectedException(\Exception::class, 'User with id "godzilla" was not found.');
-		$userService = $this->getUserService();
-		$userService->getById('godzilla');
-	}
+    public function testGettingByIdNonExistentUsers()
+    {
+        $this->setExpectedException(\Exception::class, 'User with id "godzilla" was not found.');
+        $userService = $this->getUserService();
+        $userService->getById('godzilla');
+    }
 
-	public function testValidRegistrationWithoutMailActivation()
-	{
-		$formData = new RegistrationFormData;
-		$formData->userName = 'user';
-		$formData->password = 'password';
-		$formData->email = 'human@people.gov';
+    public function testValidRegistrationWithoutMailActivation()
+    {
+        $formData = new RegistrationFormData;
+        $formData->userName = 'user';
+        $formData->password = 'password';
+        $formData->email = 'human@people.gov';
 
-		$this->configMock->set('security/needEmailActivationToRegister', false);
-		$this->configMock->set('security/defaultAccessRank', 'regularUser');
-		$this->passwordServiceMock->expects($this->once())->method('getRandomPassword')->willReturn('salt');
-		$this->passwordServiceMock->expects($this->once())->method('getHash')->with('password', 'salt')->willReturn('hash');
-		$this->timeServiceMock->expects($this->once())->method('getCurrentTime')->willReturn('now');
-		$this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(true);
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
-		$this->emailServiceMock->expects($this->never())->method('sendActivationEmail');
+        $this->configMock->set('security/needEmailActivationToRegister', false);
+        $this->configMock->set('security/defaultAccessRank', 'regularUser');
+        $this->passwordServiceMock->expects($this->once())->method('getRandomPassword')->willReturn('salt');
+        $this->passwordServiceMock->expects($this->once())->method('getHash')->with('password', 'salt')->willReturn('hash');
+        $this->timeServiceMock->expects($this->once())->method('getCurrentTime')->willReturn('now');
+        $this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(true);
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->emailServiceMock->expects($this->never())->method('sendActivationEmail');
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->createUser($formData);
+        $userService = $this->getUserService();
+        $savedUser = $userService->createUser($formData);
 
-		$this->assertEquals('user', $savedUser->getName());
-		$this->assertEquals('human@people.gov', $savedUser->getEmail());
-		$this->assertNull($savedUser->getEmailUnconfirmed());
-		$this->assertEquals('hash', $savedUser->getPasswordHash());
-		$this->assertEquals(User::ACCESS_RANK_REGULAR_USER, $savedUser->getAccessRank());
-		$this->assertEquals('now', $savedUser->getRegistrationTime());
-		$this->assertTrue($savedUser->isAccountConfirmed());
-	}
+        $this->assertEquals('user', $savedUser->getName());
+        $this->assertEquals('human@people.gov', $savedUser->getEmail());
+        $this->assertNull($savedUser->getEmailUnconfirmed());
+        $this->assertEquals('hash', $savedUser->getPasswordHash());
+        $this->assertEquals(User::ACCESS_RANK_REGULAR_USER, $savedUser->getAccessRank());
+        $this->assertEquals('now', $savedUser->getRegistrationTime());
+        $this->assertTrue($savedUser->isAccountConfirmed());
+    }
 
-	public function testValidRegistrationWithMailActivation()
-	{
-		$formData = new RegistrationFormData;
-		$formData->userName = 'user';
-		$formData->password = 'password';
-		$formData->email = 'human@people.gov';
+    public function testValidRegistrationWithMailActivation()
+    {
+        $formData = new RegistrationFormData;
+        $formData->userName = 'user';
+        $formData->password = 'password';
+        $formData->email = 'human@people.gov';
 
-		$this->configMock->set('security/needEmailActivationToRegister', true);
-		$this->configMock->set('security/defaultAccessRank', 'powerUser');
-		$this->passwordServiceMock->expects($this->once())->method('getRandomPassword')->willReturn('salt');
-		$this->passwordServiceMock->expects($this->once())->method('getHash')->with('password', 'salt')->willReturn('hash');
-		$this->timeServiceMock->expects($this->once())->method('getCurrentTime')->willReturn('now');
-		$this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(true);
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->configMock->set('security/needEmailActivationToRegister', true);
+        $this->configMock->set('security/defaultAccessRank', 'powerUser');
+        $this->passwordServiceMock->expects($this->once())->method('getRandomPassword')->willReturn('salt');
+        $this->passwordServiceMock->expects($this->once())->method('getHash')->with('password', 'salt')->willReturn('hash');
+        $this->timeServiceMock->expects($this->once())->method('getCurrentTime')->willReturn('now');
+        $this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(true);
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
 
-		$testToken = new Token;
-		$this->tokenServiceMock->expects($this->once())->method('createAndSaveToken')->willReturn($testToken);
-		$this->emailServiceMock->expects($this->once())->method('sendActivationEmail')->with(
-			$this->anything(),
-			$testToken);
+        $testToken = new Token;
+        $this->tokenServiceMock->expects($this->once())->method('createAndSaveToken')->willReturn($testToken);
+        $this->emailServiceMock->expects($this->once())->method('sendActivationEmail')->with(
+            $this->anything(),
+            $testToken);
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->createUser($formData);
+        $userService = $this->getUserService();
+        $savedUser = $userService->createUser($formData);
 
-		$this->assertEquals('user', $savedUser->getName());
-		$this->assertNull($savedUser->getEmail());
-		$this->assertEquals('human@people.gov', $savedUser->getEmailUnconfirmed());
-		$this->assertEquals('hash', $savedUser->getPasswordHash());
-		$this->assertEquals(User::ACCESS_RANK_POWER_USER, $savedUser->getAccessRank());
-		$this->assertEquals('now', $savedUser->getRegistrationTime());
-		$this->assertFalse($savedUser->isAccountConfirmed());
-	}
+        $this->assertEquals('user', $savedUser->getName());
+        $this->assertNull($savedUser->getEmail());
+        $this->assertEquals('human@people.gov', $savedUser->getEmailUnconfirmed());
+        $this->assertEquals('hash', $savedUser->getPasswordHash());
+        $this->assertEquals(User::ACCESS_RANK_POWER_USER, $savedUser->getAccessRank());
+        $this->assertEquals('now', $savedUser->getRegistrationTime());
+        $this->assertFalse($savedUser->isAccountConfirmed());
+    }
 
-	public function testAccessRankOfFirstUser()
-	{
-		$formData = new RegistrationFormData;
-		$formData->userName = 'user';
-		$formData->password = 'password';
-		$formData->email = 'email';
+    public function testAccessRankOfFirstUser()
+    {
+        $formData = new RegistrationFormData;
+        $formData->userName = 'user';
+        $formData->password = 'password';
+        $formData->email = 'email';
 
-		$this->configMock->set('security/needEmailActivationToRegister', false);
-		$this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(false);
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->configMock->set('security/needEmailActivationToRegister', false);
+        $this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(false);
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->createUser($formData);
+        $userService = $this->getUserService();
+        $savedUser = $userService->createUser($formData);
 
-		$this->assertEquals(User::ACCESS_RANK_ADMINISTRATOR, $savedUser->getAccessRank());
-	}
+        $this->assertEquals(User::ACCESS_RANK_ADMINISTRATOR, $savedUser->getAccessRank());
+    }
 
-	public function testRegistrationWhenUserExists()
-	{
-		$formData = new RegistrationFormData;
-		$formData->userName = 'user';
-		$formData->password = 'password';
-		$formData->email = 'email';
+    public function testRegistrationWhenUserExists()
+    {
+        $formData = new RegistrationFormData;
+        $formData->userName = 'user';
+        $formData->password = 'password';
+        $formData->email = 'email';
 
-		$otherUser = new User('yes, i exist in database');
+        $otherUser = new User('yes, i exist in database');
 
-		$this->configMock->set('security/defaultAccessRank', 'restrictedUser');
-		$this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(true);
-		$this->userDaoMock->expects($this->once())->method('findByName')->willReturn($otherUser);
-		$this->userDaoMock->expects($this->never())->method('save');
+        $this->configMock->set('security/defaultAccessRank', 'restrictedUser');
+        $this->userDaoMock->expects($this->once())->method('hasAnyUsers')->willReturn(true);
+        $this->userDaoMock->expects($this->once())->method('findByName')->willReturn($otherUser);
+        $this->userDaoMock->expects($this->never())->method('save');
 
-		$userService = $this->getUserService();
+        $userService = $this->getUserService();
 
-		$this->setExpectedException(\Exception::class, 'User with this name already exists');
-		$savedUser = $userService->createUser($formData);
-	}
+        $this->setExpectedException(\Exception::class, 'User with this name already exists');
+        $savedUser = $userService->createUser($formData);
+    }
 
-	public function testUpdatingName()
-	{
-		$testUser = new User;
-		$testUser->setName('wojtek');
+    public function testUpdatingName()
+    {
+        $testUser = new User;
+        $testUser->setName('wojtek');
 
-		$formData = new UserEditFormData;
-		$formData->userName = 'sebastian';
+        $formData = new UserEditFormData;
+        $formData->userName = 'sebastian';
 
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->updateUser($testUser, $formData);
-		$this->assertEquals('sebastian', $savedUser->getName());
-	}
+        $userService = $this->getUserService();
+        $savedUser = $userService->updateUser($testUser, $formData);
+        $this->assertEquals('sebastian', $savedUser->getName());
+    }
 
-	public function testUpdatingNameToExisting()
-	{
-		$testUser = new User;
-		$testUser->setName('wojtek');
+    public function testUpdatingNameToExisting()
+    {
+        $testUser = new User;
+        $testUser->setName('wojtek');
 
-		$formData = new UserEditFormData;
-		$formData->userName = 'sebastian';
+        $formData = new UserEditFormData;
+        $formData->userName = 'sebastian';
 
-		$otherUser = new User('yes, i exist in database');
-		$this->userDaoMock->expects($this->once())->method('findByName')->willReturn($otherUser);
-		$this->userDaoMock->expects($this->never())->method('save');
+        $otherUser = new User('yes, i exist in database');
+        $this->userDaoMock->expects($this->once())->method('findByName')->willReturn($otherUser);
+        $this->userDaoMock->expects($this->never())->method('save');
 
-		$this->setExpectedException(\Exception::class, 'User with this name already exists');
-		$userService = $this->getUserService();
-		$savedUser = $userService->updateUser($testUser, $formData);
-	}
+        $this->setExpectedException(\Exception::class, 'User with this name already exists');
+        $userService = $this->getUserService();
+        $savedUser = $userService->updateUser($testUser, $formData);
+    }
 
-	public function testUpdatingEmailWithoutConfirmation()
-	{
-		$testUser = new User;
-		$this->configMock->set('security/needEmailActivationToRegister', false);
+    public function testUpdatingEmailWithoutConfirmation()
+    {
+        $testUser = new User;
+        $this->configMock->set('security/needEmailActivationToRegister', false);
 
-		$formData = new UserEditFormData;
-		$formData->email = 'hikari@geofront.gov';
+        $formData = new UserEditFormData;
+        $formData->email = 'hikari@geofront.gov';
 
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->updateUser($testUser, $formData);
-		$this->assertEquals('hikari@geofront.gov', $savedUser->getEmail());
-		$this->assertNull($savedUser->getEmailUnconfirmed());
-		$this->assertTrue($savedUser->isAccountConfirmed());
-	}
+        $userService = $this->getUserService();
+        $savedUser = $userService->updateUser($testUser, $formData);
+        $this->assertEquals('hikari@geofront.gov', $savedUser->getEmail());
+        $this->assertNull($savedUser->getEmailUnconfirmed());
+        $this->assertTrue($savedUser->isAccountConfirmed());
+    }
 
-	public function testUpdatingEmailWithConfirmation()
-	{
-		$testUser = new User;
-		$this->configMock->set('security/needEmailActivationToRegister', true);
+    public function testUpdatingEmailWithConfirmation()
+    {
+        $testUser = new User;
+        $this->configMock->set('security/needEmailActivationToRegister', true);
 
-		$formData = new UserEditFormData;
-		$formData->email = 'hikari@geofront.gov';
+        $formData = new UserEditFormData;
+        $formData->email = 'hikari@geofront.gov';
 
-		$this->tokenServiceMock->expects($this->once())->method('createAndSaveToken')->willReturn(new Token());
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $this->tokenServiceMock->expects($this->once())->method('createAndSaveToken')->willReturn(new Token());
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->updateUser($testUser, $formData);
-		$this->assertNull($savedUser->getEmail());
-		$this->assertEquals('hikari@geofront.gov', $savedUser->getEmailUnconfirmed());
-		$this->assertFalse($savedUser->isAccountConfirmed());
-	}
+        $userService = $this->getUserService();
+        $savedUser = $userService->updateUser($testUser, $formData);
+        $this->assertNull($savedUser->getEmail());
+        $this->assertEquals('hikari@geofront.gov', $savedUser->getEmailUnconfirmed());
+        $this->assertFalse($savedUser->isAccountConfirmed());
+    }
 
-	public function testUpdatingEmailWithConfirmationToExisting()
-	{
-		$testUser = new User;
-		$this->configMock->set('security/needEmailActivationToRegister', true);
+    public function testUpdatingEmailWithConfirmationToExisting()
+    {
+        $testUser = new User;
+        $this->configMock->set('security/needEmailActivationToRegister', true);
 
-		$formData = new UserEditFormData;
-		$formData->email = 'hikari@geofront.gov';
+        $formData = new UserEditFormData;
+        $formData->email = 'hikari@geofront.gov';
 
-		$otherUser = new User('yes, i exist in database');
-		$this->tokenServiceMock->expects($this->never())->method('createAndSaveToken');
-		$this->userDaoMock->expects($this->once())->method('findByEmail')->willReturn($otherUser);
-		$this->userDaoMock->expects($this->never())->method('save');
+        $otherUser = new User('yes, i exist in database');
+        $this->tokenServiceMock->expects($this->never())->method('createAndSaveToken');
+        $this->userDaoMock->expects($this->once())->method('findByEmail')->willReturn($otherUser);
+        $this->userDaoMock->expects($this->never())->method('save');
 
-		$this->setExpectedException(\Exception::class, 'User with this e-mail already exists');
-		$userService = $this->getUserService();
-		$userService->updateUser($testUser, $formData);
-	}
+        $this->setExpectedException(\Exception::class, 'User with this e-mail already exists');
+        $userService = $this->getUserService();
+        $userService->updateUser($testUser, $formData);
+    }
 
-	public function testUpdatingEmailToAlreadyConfirmed()
-	{
-		$testUser = new User('yep, still me');
-		$testUser->setEmail('hikari@geofront.gov');
-		$testUser->setAccountConfirmed(true);
-		$testUser->setEmailUnconfirmed('coolcat32@sakura.ne.jp');
+    public function testUpdatingEmailToAlreadyConfirmed()
+    {
+        $testUser = new User('yep, still me');
+        $testUser->setEmail('hikari@geofront.gov');
+        $testUser->setAccountConfirmed(true);
+        $testUser->setEmailUnconfirmed('coolcat32@sakura.ne.jp');
 
-		$formData = new UserEditFormData;
-		$formData->email = 'hikari@geofront.gov';
+        $formData = new UserEditFormData;
+        $formData->email = 'hikari@geofront.gov';
 
-		$otherUser = new User('yep, still me');
-		$this->tokenServiceMock->expects($this->never())->method('createAndSaveToken');
-		$this->userDaoMock->expects($this->never())->method('findByEmail');
-		$this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
+        $otherUser = new User('yep, still me');
+        $this->tokenServiceMock->expects($this->never())->method('createAndSaveToken');
+        $this->userDaoMock->expects($this->never())->method('findByEmail');
+        $this->userDaoMock->expects($this->once())->method('save')->will($this->returnArgument(0));
 
-		$userService = $this->getUserService();
-		$savedUser = $userService->updateUser($testUser, $formData);
-		$this->assertEquals('hikari@geofront.gov', $savedUser->getEmail());
-		$this->assertNull($savedUser->getEmailUnconfirmed());
-		$this->assertTrue($savedUser->isAccountConfirmed());
-	}
+        $userService = $this->getUserService();
+        $savedUser = $userService->updateUser($testUser, $formData);
+        $this->assertEquals('hikari@geofront.gov', $savedUser->getEmail());
+        $this->assertNull($savedUser->getEmailUnconfirmed());
+        $this->assertTrue($savedUser->isAccountConfirmed());
+    }
 
-	private function getUserService()
-	{
-		return new UserService(
-			$this->configMock,
-			$this->validatorMock,
-			$this->transactionManagerMock,
-			$this->userDaoMock,
-			$this->passwordServiceMock,
-			$this->emailServiceMock,
-			$this->timeServiceMock,
-			$this->tokenServiceMock);
-	}
+    private function getUserService()
+    {
+        return new UserService(
+            $this->configMock,
+            $this->validatorMock,
+            $this->transactionManagerMock,
+            $this->userDaoMock,
+            $this->passwordServiceMock,
+            $this->emailServiceMock,
+            $this->timeServiceMock,
+            $this->tokenServiceMock);
+    }
 }
diff --git a/tests/TestHelper.php b/tests/TestHelper.php
index f0b7520c..df581d0a 100644
--- a/tests/TestHelper.php
+++ b/tests/TestHelper.php
@@ -3,53 +3,53 @@ namespace Szurubooru\Tests;
 
 class TestHelper
 {
-	public static function createTestDirectory()
-	{
-		$path = self::getTestDirectoryPath();
-		if (!file_exists($path))
-			mkdir($path, 0777, true);
-		return $path;
-	}
+    public static function createTestDirectory()
+    {
+        $path = self::getTestDirectoryPath();
+        if (!file_exists($path))
+            mkdir($path, 0777, true);
+        return $path;
+    }
 
-	public static function mockConfig($dataPath = null, $publicDataPath = null)
-	{
-		return new ConfigMock($dataPath, $publicDataPath);
-	}
+    public static function mockConfig($dataPath = null, $publicDataPath = null)
+    {
+        return new ConfigMock($dataPath, $publicDataPath);
+    }
 
-	public static function getTestFile($fileName)
-	{
-		return file_get_contents(self::getTestFilePath($fileName));
-	}
+    public static function getTestFile($fileName)
+    {
+        return file_get_contents(self::getTestFilePath($fileName));
+    }
 
-	public static function getTestFilePath($fileName)
-	{
-		return __DIR__ . DIRECTORY_SEPARATOR . 'test_files' . DIRECTORY_SEPARATOR . $fileName;
-	}
+    public static function getTestFilePath($fileName)
+    {
+        return __DIR__ . DIRECTORY_SEPARATOR . 'test_files' . DIRECTORY_SEPARATOR . $fileName;
+    }
 
-	public static function cleanTestDirectory()
-	{
-		if (!file_exists(self::getTestDirectoryPath()))
-			return;
+    public static function cleanTestDirectory()
+    {
+        if (!file_exists(self::getTestDirectoryPath()))
+            return;
 
-		$dirIterator = new \RecursiveDirectoryIterator(
-			self::getTestDirectoryPath(),
-			\RecursiveDirectoryIterator::SKIP_DOTS);
+        $dirIterator = new \RecursiveDirectoryIterator(
+            self::getTestDirectoryPath(),
+            \RecursiveDirectoryIterator::SKIP_DOTS);
 
-		$files = new \RecursiveIteratorIterator(
-			$dirIterator,
-			\RecursiveIteratorIterator::CHILD_FIRST);
+        $files = new \RecursiveIteratorIterator(
+            $dirIterator,
+            \RecursiveIteratorIterator::CHILD_FIRST);
 
-		foreach ($files as $fileInfo)
-		{
-			if ($fileInfo->isDir())
-				rmdir($fileInfo->getRealPath());
-			else
-				unlink($fileInfo->getRealPath());
-		}
-	}
+        foreach ($files as $fileInfo)
+        {
+            if ($fileInfo->isDir())
+                rmdir($fileInfo->getRealPath());
+            else
+                unlink($fileInfo->getRealPath());
+        }
+    }
 
-	private static function getTestDirectoryPath()
-	{
-		return __DIR__ . DIRECTORY_SEPARATOR . 'files';
-	}
+    private static function getTestDirectoryPath()
+    {
+        return __DIR__ . DIRECTORY_SEPARATOR . 'files';
+    }
 }
diff --git a/tests/TransactionManagerMock.php b/tests/TransactionManagerMock.php
index 35957b22..285c3f2e 100644
--- a/tests/TransactionManagerMock.php
+++ b/tests/TransactionManagerMock.php
@@ -4,13 +4,13 @@ use Szurubooru\Dao\TransactionManager;
 
 final class TransactionManagerMock extends TransactionManager
 {
-	public function rollback($callback)
-	{
-		return $callback();
-	}
+    public function rollback($callback)
+    {
+        return $callback();
+    }
 
-	public function commit($callback)
-	{
-		return $callback();
-	}
+    public function commit($callback)
+    {
+        return $callback();
+    }
 }
diff --git a/tests/ValidatorTest.php b/tests/ValidatorTest.php
index 19c519a9..a883af34 100644
--- a/tests/ValidatorTest.php
+++ b/tests/ValidatorTest.php
@@ -4,156 +4,156 @@ use Szurubooru\Tests\AbstractTestCase;
 
 final class ValidatorTest extends AbstractTestCase
 {
-	private $configMock;
+    private $configMock;
 
-	public function setUp()
-	{
-		parent::setUp();
-		$this->configMock = $this->mockConfig();
-	}
+    public function setUp()
+    {
+        parent::setUp();
+        $this->configMock = $this->mockConfig();
+    }
 
-	public function testMinLengthName()
-	{
-		$validator = $this->getValidator();
-		$this->setExpectedException(\Exception::class, 'Object must have at least 50 character(s)');
-		$validator->validateMinLength('too short', 50);
-	}
+    public function testMinLengthName()
+    {
+        $validator = $this->getValidator();
+        $this->setExpectedException(\Exception::class, 'Object must have at least 50 character(s)');
+        $validator->validateMinLength('too short', 50);
+    }
 
-	public function testMaxLengthName()
-	{
-		$validator = $this->getValidator();
-		$this->setExpectedException(\Exception::class, 'Object must have at most 1 character(s)');
-		$validator->validateMaxLength('too long', 1);
-	}
+    public function testMaxLengthName()
+    {
+        $validator = $this->getValidator();
+        $this->setExpectedException(\Exception::class, 'Object must have at most 1 character(s)');
+        $validator->validateMaxLength('too long', 1);
+    }
 
-	public function testValidLengthName()
-	{
-		$validator = $this->getValidator();
-		$this->assertNull($validator->validateLength('fitting', 1, 50));
-		$this->assertNull($validator->validateMaxLength('fitting', 50));
-		$this->assertNull($validator->validateMinLength('fitting', 1));
-	}
+    public function testValidLengthName()
+    {
+        $validator = $this->getValidator();
+        $this->assertNull($validator->validateLength('fitting', 1, 50));
+        $this->assertNull($validator->validateMaxLength('fitting', 50));
+        $this->assertNull($validator->validateMinLength('fitting', 1));
+    }
 
-	public function testEmptyUserName()
-	{
-		$this->configMock->set('users/minUserNameLength', 0);
-		$this->configMock->set('users/maxUserNameLength', 1);
-		$this->setExpectedException(\Exception::class, 'User name cannot be empty');
-		$userName = '';
-		$validator = $this->getValidator();
-		$validator->validateUserName($userName);
-	}
+    public function testEmptyUserName()
+    {
+        $this->configMock->set('users/minUserNameLength', 0);
+        $this->configMock->set('users/maxUserNameLength', 1);
+        $this->setExpectedException(\Exception::class, 'User name cannot be empty');
+        $userName = '';
+        $validator = $this->getValidator();
+        $validator->validateUserName($userName);
+    }
 
-	public function testTooShortUserName()
-	{
-		$this->configMock->set('users/minUserNameLength', 30);
-		$this->configMock->set('users/maxUserNameLength', 50);
-		$this->setExpectedException(\Exception::class, 'User name must have at least 30 character(s)');
-		$userName = 'godzilla';
-		$validator = $this->getValidator();
-		$validator->validateUserName($userName);
-	}
+    public function testTooShortUserName()
+    {
+        $this->configMock->set('users/minUserNameLength', 30);
+        $this->configMock->set('users/maxUserNameLength', 50);
+        $this->setExpectedException(\Exception::class, 'User name must have at least 30 character(s)');
+        $userName = 'godzilla';
+        $validator = $this->getValidator();
+        $validator->validateUserName($userName);
+    }
 
-	public function testTooLongUserName()
-	{
-		$this->configMock->set('users/minUserNameLength', 30);
-		$this->configMock->set('users/maxUserNameLength', 50);
-		$this->setExpectedException(\Exception::class, 'User name must have at most 50 character(s)');
-		$userName = 'godzilla' . str_repeat('a', 50);
-		$validator = $this->getValidator();
-		$validator->validateUserName($userName);
-	}
+    public function testTooLongUserName()
+    {
+        $this->configMock->set('users/minUserNameLength', 30);
+        $this->configMock->set('users/maxUserNameLength', 50);
+        $this->setExpectedException(\Exception::class, 'User name must have at most 50 character(s)');
+        $userName = 'godzilla' . str_repeat('a', 50);
+        $validator = $this->getValidator();
+        $validator->validateUserName($userName);
+    }
 
-	public function testUserNameWithInvalidCharacters()
-	{
-		$this->configMock->set('users/minUserNameLength', 0);
-		$this->configMock->set('users/maxUserNameLength', 100);
-		$userName = '..:xXx:godzilla:xXx:..';
-		$this->setExpectedException(\Exception::class, 'User name may contain only');
-		$validator = $this->getValidator();
-		$validator->validateUserName($userName);
-	}
+    public function testUserNameWithInvalidCharacters()
+    {
+        $this->configMock->set('users/minUserNameLength', 0);
+        $this->configMock->set('users/maxUserNameLength', 100);
+        $userName = '..:xXx:godzilla:xXx:..';
+        $this->setExpectedException(\Exception::class, 'User name may contain only');
+        $validator = $this->getValidator();
+        $validator->validateUserName($userName);
+    }
 
-	public function testEmailWithoutAt()
-	{
-		$validator = $this->getValidator();
-		$this->setExpectedException(\DomainException::class);
-		$validator->validateEmail('ghost');
-	}
+    public function testEmailWithoutAt()
+    {
+        $validator = $this->getValidator();
+        $this->setExpectedException(\DomainException::class);
+        $validator->validateEmail('ghost');
+    }
 
-	public function testEmailWithoutDotInDomain()
-	{
-		$validator = $this->getValidator();
-		$this->setExpectedException(\DomainException::class);
-		$validator->validateEmail('ghost@cemetery');
-	}
+    public function testEmailWithoutDotInDomain()
+    {
+        $validator = $this->getValidator();
+        $this->setExpectedException(\DomainException::class);
+        $validator->validateEmail('ghost@cemetery');
+    }
 
-	public function testValidEmail()
-	{
-		$validator = $this->getValidator();
-		$this->assertNull($validator->validateEmail('ghost@cemetery.consulting'));
-	}
+    public function testValidEmail()
+    {
+        $validator = $this->getValidator();
+        $this->assertNull($validator->validateEmail('ghost@cemetery.consulting'));
+    }
 
-	public function testEmptyPassword()
-	{
-		$this->configMock->set('security/minPasswordLength', 0);
-		$this->setExpectedException(\Exception::class, 'Password cannot be empty');
-		$validator = $this->getValidator();
-		$validator->validatePassword('');
-	}
+    public function testEmptyPassword()
+    {
+        $this->configMock->set('security/minPasswordLength', 0);
+        $this->setExpectedException(\Exception::class, 'Password cannot be empty');
+        $validator = $this->getValidator();
+        $validator->validatePassword('');
+    }
 
-	public function testTooShortPassword()
-	{
-		$this->configMock->set('security/minPasswordLength', 10000);
-		$this->setExpectedException(\Exception::class, 'Password must have at least 10000 character(s)');
-		$validator = $this->getValidator();
-		$validator->validatePassword('password123');
-	}
+    public function testTooShortPassword()
+    {
+        $this->configMock->set('security/minPasswordLength', 10000);
+        $this->setExpectedException(\Exception::class, 'Password must have at least 10000 character(s)');
+        $validator = $this->getValidator();
+        $validator->validatePassword('password123');
+    }
 
-	public function testNonAsciiPassword()
-	{
-		$this->configMock->set('security/minPasswordLength', 0);
-		$this->setExpectedException(\Exception::class, 'Password may contain only');
-		$validator = $this->getValidator();
-		$validator->validatePassword('良いパスワード');
-	}
+    public function testNonAsciiPassword()
+    {
+        $this->configMock->set('security/minPasswordLength', 0);
+        $this->setExpectedException(\Exception::class, 'Password may contain only');
+        $validator = $this->getValidator();
+        $validator->validatePassword('良いパスワード');
+    }
 
-	public function testValidPassword()
-	{
-		$this->configMock->set('security/minPasswordLength', 0);
-		$validator = $this->getValidator();
-		$this->assertNull($validator->validatePassword('password'));
-	}
+    public function testValidPassword()
+    {
+        $this->configMock->set('security/minPasswordLength', 0);
+        $validator = $this->getValidator();
+        $this->assertNull($validator->validatePassword('password'));
+    }
 
-	public function testNoTags()
-	{
-		$this->setExpectedException(\Exception::class, 'Tags cannot be empty');
-		$validator = $this->getValidator();
-		$validator->validatePostTags([]);
-	}
+    public function testNoTags()
+    {
+        $this->setExpectedException(\Exception::class, 'Tags cannot be empty');
+        $validator = $this->getValidator();
+        $validator->validatePostTags([]);
+    }
 
-	public function testEmptyTags()
-	{
-		$this->setExpectedException(\Exception::class, 'Tags cannot be empty');
-		$validator = $this->getValidator();
-		$validator->validatePostTags(['good_tag', '']);
-	}
+    public function testEmptyTags()
+    {
+        $this->setExpectedException(\Exception::class, 'Tags cannot be empty');
+        $validator = $this->getValidator();
+        $validator->validatePostTags(['good_tag', '']);
+    }
 
-	public function testTagsWithInvalidCharacters()
-	{
-		$this->setExpectedException(\Exception::class, 'Tags cannot contain any of following');
-		$validator = $this->getValidator();
-		$validator->validatePostTags(['good_tag', 'bad' . chr(160) . 'tag']);
-	}
+    public function testTagsWithInvalidCharacters()
+    {
+        $this->setExpectedException(\Exception::class, 'Tags cannot contain any of following');
+        $validator = $this->getValidator();
+        $validator->validatePostTags(['good_tag', 'bad' . chr(160) . 'tag']);
+    }
 
-	public function testValidTags()
-	{
-		$validator = $this->getValidator();
-		$this->assertNull($validator->validatePostTags(['good_tag', 'good_tag2', 'góód_as_well', ':3']));
-	}
+    public function testValidTags()
+    {
+        $validator = $this->getValidator();
+        $this->assertNull($validator->validatePostTags(['good_tag', 'good_tag2', 'góód_as_well', ':3']));
+    }
 
-	private function getValidator()
-	{
-		return new \Szurubooru\Validator($this->configMock);
-	}
+    private function getValidator()
+    {
+        return new \Szurubooru\Validator($this->configMock);
+    }
 }