diff --git a/src/Command/BlacklistCommonCommand.php b/src/Command/BlacklistCommonCommand.php
index f769eb2..6996480 100644
--- a/src/Command/BlacklistCommonCommand.php
+++ b/src/Command/BlacklistCommonCommand.php
@@ -37,13 +37,13 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $file = realpath($input->getOption('file'));
 
             if (!file_exists($file)) {
-                $output->writeln('<error>Unable to read passwords list. No such file: ' . $input->getOption('file') . '</error>');
+                $output->writeln('<error>Unable to read passwords list. No such file: '.$input->getOption('file').'</error>');
 
                 return;
             }
 
             if (!is_readable($file)) {
-                $output->writeln('<error>Unable to read passwords list. Access denied: ' . $input->getOption('file') . '</error>');
+                $output->writeln('<error>Unable to read passwords list. Access denied: '.$input->getOption('file').'</error>');
 
                 return;
             }
diff --git a/src/DependencyInjection/RollerworksPasswordStrengthExtension.php b/src/DependencyInjection/RollerworksPasswordStrengthExtension.php
index 87a50a3..e485dad 100644
--- a/src/DependencyInjection/RollerworksPasswordStrengthExtension.php
+++ b/src/DependencyInjection/RollerworksPasswordStrengthExtension.php
@@ -35,7 +35,7 @@ public function load(array $configs, ContainerBuilder $container)
 
         $container->setAlias('rollerworks_password_strength.blacklist_provider', $config['blacklist']['default_provider']);
 
-        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__ . '/../Resources/config'));
+        $loader = new Loader\XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
         $loader->load('blacklist.xml');
 
         if (isset($config['blacklist']['providers']['sqlite'])) {
diff --git a/tests/Blacklist/SqliteProviderTest.php b/tests/Blacklist/SqliteProviderTest.php
index 3a7c69a..04aba40 100644
--- a/tests/Blacklist/SqliteProviderTest.php
+++ b/tests/Blacklist/SqliteProviderTest.php
@@ -36,7 +36,7 @@ public static function setUpBeforeClass()
             @unlink(self::$dbFile);
         }
 
-        self::$provider = new SqliteProvider('sqlite:' . self::$dbFile);
+        self::$provider = new SqliteProvider('sqlite:'.self::$dbFile);
     }
 
     public static function tearDownAfterClass()
diff --git a/tests/Command/BlacklistCommandTestCase.php b/tests/Command/BlacklistCommandTestCase.php
index 20c8977..51d7a34 100644
--- a/tests/Command/BlacklistCommandTestCase.php
+++ b/tests/Command/BlacklistCommandTestCase.php
@@ -31,7 +31,7 @@ public static function setUpBeforeClass()
             @unlink(self::$dbFile);
         }
 
-        $sqliteProvider = new SqliteProvider('sqlite:' . self::$dbFile);
+        $sqliteProvider = new SqliteProvider('sqlite:'.self::$dbFile);
 
         self::$container = new Container();
         self::$container->set('rollerworks_password_strength.blacklist.provider.sqlite', $sqliteProvider);
diff --git a/tests/Command/BlacklistDeleteCommandTest.php b/tests/Command/BlacklistDeleteCommandTest.php
index 71fd5bc..eaf46aa 100644
--- a/tests/Command/BlacklistDeleteCommandTest.php
+++ b/tests/Command/BlacklistDeleteCommandTest.php
@@ -113,7 +113,7 @@ public function testReadFromFile()
 
         $commandTester = new CommandTester($command);
 
-        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list1.txt'));
+        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list1.txt'));
         $this->assertRegExp('/Successfully removed 2 password\(s\) from your blacklist database/', $commandTester->getDisplay());
 
         $this->assertFalse($this->getProvider()->isBlacklisted('test'));
@@ -136,14 +136,14 @@ public function testImportExistingFromFile()
 
         $commandTester = new CommandTester($command);
 
-        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list1.txt'));
+        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list1.txt'));
         $this->assertRegExp('/Successfully removed 2 password\(s\) from your blacklist database/', $commandTester->getDisplay());
 
         $this->assertFalse($this->getProvider()->isBlacklisted('test'));
         $this->assertFalse($this->getProvider()->isBlacklisted('foobar'));
         $this->assertTrue($this->getProvider()->isBlacklisted('kaboom'));
 
-        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list1.txt'));
+        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list1.txt'));
         $this->assertRegExp('/Successfully removed 0 password\(s\) from your blacklist database/', $commandTester->getDisplay());
     }
 
@@ -207,7 +207,7 @@ public function testImportFromEmptyFile()
 
         $commandTester = new CommandTester($command);
         $commandTester->execute(
-            array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list2.txt')
+            array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list2.txt')
         );
 
         $this->assertRegExp('/Passwords list seems empty, are you sure this is the correct file\?/', $commandTester->getDisplay());
diff --git a/tests/Command/BlacklistUpdateCommandTest.php b/tests/Command/BlacklistUpdateCommandTest.php
index b3b5298..d2b68a2 100644
--- a/tests/Command/BlacklistUpdateCommandTest.php
+++ b/tests/Command/BlacklistUpdateCommandTest.php
@@ -108,7 +108,7 @@ public function testImportFromFile()
         $this->assertFalse($this->getProvider()->isBlacklisted('foobar'));
 
         $commandTester = new CommandTester($command);
-        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list1.txt'));
+        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list1.txt'));
 
         $this->assertTrue($this->getProvider()->isBlacklisted('test'));
         $this->assertTrue($this->getProvider()->isBlacklisted('foobar'));
@@ -128,7 +128,7 @@ public function testImportExistingFromFile()
         $this->assertFalse($this->getProvider()->isBlacklisted('foobar'));
 
         $commandTester = new CommandTester($command);
-        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list1.txt'));
+        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list1.txt'));
 
         $this->assertTrue($this->getProvider()->isBlacklisted('test'));
         $this->assertTrue($this->getProvider()->isBlacklisted('foobar'));
@@ -136,7 +136,7 @@ public function testImportExistingFromFile()
 
         $this->assertTrue($this->getProvider()->isBlacklisted('test'));
         $this->assertTrue($this->getProvider()->isBlacklisted('foobar'));
-        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list1.txt'));
+        $commandTester->execute(array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list1.txt'));
 
         $this->assertTrue($this->getProvider()->isBlacklisted('test'));
         $this->assertTrue($this->getProvider()->isBlacklisted('foobar'));
@@ -202,7 +202,7 @@ public function testImportFromEmptyFile()
 
         $commandTester = new CommandTester($command);
         $commandTester->execute(
-            array('command' => $command->getName(), '--file' => __DIR__ . '/../fixtures/passwords-list2.txt')
+            array('command' => $command->getName(), '--file' => __DIR__.'/../fixtures/passwords-list2.txt')
         );
 
         $this->assertRegExp('/Passwords list seems empty, are you sure this is the correct file\?/', $commandTester->getDisplay());
diff --git a/tests/DependencyInjection/ExtensionTest.php b/tests/DependencyInjection/ExtensionTest.php
index 8013164..90a425e 100644
--- a/tests/DependencyInjection/ExtensionTest.php
+++ b/tests/DependencyInjection/ExtensionTest.php
@@ -113,7 +113,7 @@ public function testLoadWithChainConfiguration()
     protected function createContainer()
     {
         $container = new ContainerBuilder(new ParameterBag(array(
-            'kernel.cache_dir' => __DIR__ . '/.cache' ,
+            'kernel.cache_dir' => __DIR__.'/.cache',
             'kernel.charset'   => 'UTF-8',
             'kernel.debug'     => false,
         )));
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 586e237..755ffce 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -13,11 +13,11 @@
 
 error_reporting(E_ALL | E_STRICT);
 
-if (!file_exists(__DIR__ . '/../vendor/autoload.php')) {
+if (!file_exists(__DIR__.'/../vendor/autoload.php')) {
     throw new \RuntimeException('Did not find vendor/autoload.php. Please Install vendors using command: composer.phar install --dev');
 }
 
 /**
 * @var $loader ClassLoader
 */
-$loader = require __DIR__ . '/../vendor/autoload.php';
+$loader = require __DIR__.'/../vendor/autoload.php';