Merge branch 'master' into docker

11 files changed, 419 insertions, 125 deletions

diff --git a/tests/Unit/Helpers/AuthenticatorServiceProviderTest.php b/tests/Unit/Helpers/AuthenticatorServiceProviderTest.php
index b1767ebc..ab9b23ec 100644
--- a/tests/Unit/Helpers/AuthenticatorServiceProviderTest.php
+++ b/tests/Unit/Helpers/AuthenticatorServiceProviderTest.php
@@ -3,6 +3,7 @@
 namespace Engelsystem\Test\Unit\Helpers;
 
 use Engelsystem\Application;
+use Engelsystem\Config\Config;
 use Engelsystem\Helpers\Authenticator;
 use Engelsystem\Helpers\AuthenticatorServiceProvider;
 use Engelsystem\Http\Request;
@@ -19,11 +20,19 @@ class AuthenticatorServiceProviderTest extends ServiceProviderTest
         $app = new Application();
         $app->bind(ServerRequestInterface::class, Request::class);
 
+        $config = new Config();
+        $config->set('password_algorithm', PASSWORD_DEFAULT);
+        $app->instance('config', $config);
+
         $serviceProvider = new AuthenticatorServiceProvider($app);
         $serviceProvider->register();
 
         $this->assertInstanceOf(Authenticator::class, $app->get(Authenticator::class));
         $this->assertInstanceOf(Authenticator::class, $app->get('authenticator'));
         $this->assertInstanceOf(Authenticator::class, $app->get('auth'));
+
+        /** @var Authenticator $auth */
+        $auth = $app->get(Authenticator::class);
+        $this->assertEquals(PASSWORD_DEFAULT, $auth->getPasswordAlgorithm());
     }
 }
diff --git a/tests/Unit/Helpers/AuthenticatorTest.php b/tests/Unit/Helpers/AuthenticatorTest.php
index 400278f2..83dc72ad 100644
--- a/tests/Unit/Helpers/AuthenticatorTest.php
+++ b/tests/Unit/Helpers/AuthenticatorTest.php
@@ -4,6 +4,7 @@ namespace Engelsystem\Test\Unit\Helpers;
 
 use Engelsystem\Helpers\Authenticator;
 use Engelsystem\Models\User\User;
+use Engelsystem\Test\Unit\HasDatabase;
 use Engelsystem\Test\Unit\Helpers\Stub\UserModelImplementation;
 use Engelsystem\Test\Unit\ServiceProviderTest;
 use PHPUnit\Framework\MockObject\MockObject;
@@ -12,6 +13,8 @@ use Symfony\Component\HttpFoundation\Session\Session;
 
 class AuthenticatorTest extends ServiceProviderTest
 {
+    use HasDatabase;
+
     /**
      * @covers \Engelsystem\Helpers\Authenticator::__construct(
      * @covers \Engelsystem\Helpers\Authenticator::user
@@ -29,7 +32,7 @@ class AuthenticatorTest extends ServiceProviderTest
 
         $session->expects($this->exactly(3))
             ->method('get')
-            ->with('uid')
+            ->with('user_id')
             ->willReturnOnConsecutiveCalls(
                 null,
                 42,
@@ -114,16 +117,13 @@ class AuthenticatorTest extends ServiceProviderTest
         /** @var User|MockObject $user */
         $user = $this->createMock(User::class);
 
-        $user->expects($this->once())
-            ->method('save');
-
-        $session->expects($this->exactly(2))
+        $session->expects($this->once())
             ->method('get')
-            ->with('uid')
+            ->with('user_id')
             ->willReturn(42);
         $session->expects($this->once())
             ->method('remove')
-            ->with('uid');
+            ->with('user_id');
 
         /** @var Authenticator|MockObject $auth */
         $auth = $this->getMockBuilder(Authenticator::class)
@@ -151,4 +151,115 @@ class AuthenticatorTest extends ServiceProviderTest
         // Permissions cached
         $this->assertTrue($auth->can('bar'));
     }
+
+    /**
+     * @covers \Engelsystem\Helpers\Authenticator::authenticate
+     */
+    public function testAuthenticate()
+    {
+        $this->initDatabase();
+
+        /** @var ServerRequestInterface|MockObject $request */
+        $request = $this->getMockForAbstractClass(ServerRequestInterface::class);
+        /** @var Session|MockObject $session */
+        $session = $this->createMock(Session::class);
+        $userRepository = new User();
+
+        (new User([
+            'name'     => 'lorem',
+            'password' => password_hash('testing', PASSWORD_DEFAULT),
+            'email'    => 'lorem@foo.bar',
+            'api_key'  => '',
+        ]))->save();
+        (new User([
+            'name'     => 'ipsum',
+            'password' => '',
+            'email'    => 'ipsum@foo.bar',
+            'api_key'  => '',
+        ]))->save();
+
+        $auth = new Authenticator($request, $session, $userRepository);
+        $this->assertNull($auth->authenticate('not-existing', 'foo'));
+        $this->assertNull($auth->authenticate('ipsum', 'wrong-password'));
+        $this->assertInstanceOf(User::class, $auth->authenticate('lorem', 'testing'));
+        $this->assertInstanceOf(User::class, $auth->authenticate('lorem@foo.bar', 'testing'));
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Authenticator::verifyPassword
+     */
+    public function testVerifyPassword()
+    {
+        $this->initDatabase();
+        $password = password_hash('testing', PASSWORD_ARGON2I);
+        $user = new User([
+            'name'     => 'lorem',
+            'password' => $password,
+            'email'    => 'lorem@foo.bar',
+            'api_key'  => '',
+        ]);
+        $user->save();
+
+        /** @var Authenticator|MockObject $auth */
+        $auth = $this->getMockBuilder(Authenticator::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['setPassword'])
+            ->getMock();
+
+        $auth->expects($this->once())
+            ->method('setPassword')
+            ->with($user, 'testing');
+        $auth->setPasswordAlgorithm(PASSWORD_BCRYPT);
+
+        $this->assertFalse($auth->verifyPassword($user, 'randomStuff'));
+        $this->assertTrue($auth->verifyPassword($user, 'testing'));
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Authenticator::setPassword
+     */
+    public function testSetPassword()
+    {
+        $this->initDatabase();
+        $user = new User([
+            'name'     => 'ipsum',
+            'password' => '',
+            'email'    => 'ipsum@foo.bar',
+            'api_key'  => '',
+        ]);
+        $user->save();
+
+        $auth = $this->getAuthenticator();
+        $auth->setPasswordAlgorithm(PASSWORD_ARGON2I);
+
+        $auth->setPassword($user, 'FooBar');
+        $this->assertTrue($user->isClean());
+
+        $this->assertTrue(password_verify('FooBar', $user->password));
+        $this->assertFalse(password_needs_rehash($user->password, PASSWORD_ARGON2I));
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Authenticator::setPasswordAlgorithm
+     * @covers \Engelsystem\Helpers\Authenticator::getPasswordAlgorithm
+     */
+    public function testPasswordAlgorithm()
+    {
+        $auth = $this->getAuthenticator();
+
+        $auth->setPasswordAlgorithm(PASSWORD_ARGON2I);
+        $this->assertEquals(PASSWORD_ARGON2I, $auth->getPasswordAlgorithm());
+    }
+
+    /**
+     * @return Authenticator
+     */
+    protected function getAuthenticator()
+    {
+        return new class extends Authenticator
+        {
+            /** @noinspection PhpMissingParentConstructorInspection */
+            public function __construct() { }
+        };
+    }
 }
diff --git a/tests/Unit/Helpers/Stub/files/VERSION b/tests/Unit/Helpers/Stub/files/VERSION
new file mode 100644
index 00000000..749a96f3
--- /dev/null
+++ b/tests/Unit/Helpers/Stub/files/VERSION
@@ -0,0 +1 @@
+0.42.0-testing
diff --git a/tests/Unit/Helpers/Translation/Assets/fo_OO/default.mo b/tests/Unit/Helpers/Translation/Assets/fo_OO/default.mo
new file mode 100644
index 00000000..96f1f3ca
--- /dev/null
+++ b/tests/Unit/Helpers/Translation/Assets/fo_OO/default.mo
diff --git a/tests/Unit/Helpers/Translation/Assets/fo_OO/default.po b/tests/Unit/Helpers/Translation/Assets/fo_OO/default.po
new file mode 100644
index 00000000..015bc36d
--- /dev/null
+++ b/tests/Unit/Helpers/Translation/Assets/fo_OO/default.po
@@ -0,0 +1,3 @@
+# Testing content
+msgid "foo.bar"
+msgstr "Foo Bar!"
diff --git a/tests/Unit/Helpers/Translation/GettextTranslatorTest.php b/tests/Unit/Helpers/Translation/GettextTranslatorTest.php
new file mode 100644
index 00000000..825cf5b7
--- /dev/null
+++ b/tests/Unit/Helpers/Translation/GettextTranslatorTest.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Helpers\Translation;
+
+use Engelsystem\Helpers\Translation\GettextTranslator;
+use Engelsystem\Helpers\Translation\TranslationNotFound;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+use Gettext\Translation;
+use Gettext\Translations;
+
+class GettextTranslatorTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Helpers\Translation\GettextTranslator::assertHasTranslation()
+     */
+    public function testNoTranslation()
+    {
+        $translations = $this->getTranslations();
+
+        $translator = new GettextTranslator();
+        $translator->loadTranslations($translations);
+
+        $this->assertEquals('Translation!', $translator->gettext('test.value'));
+
+        $this->expectException(TranslationNotFound::class);
+        $this->expectExceptionMessage('//foo.bar');
+
+        $translator->gettext('foo.bar');
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Translation\GettextTranslator::dpgettext()
+     */
+    public function testDpgettext()
+    {
+        $translations = $this->getTranslations();
+
+        $translator = new GettextTranslator();
+        $translator->loadTranslations($translations);
+
+        $this->assertEquals('Translation!', $translator->dpgettext(null, null, 'test.value'));
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Translation\GettextTranslator::dnpgettext()
+     */
+    public function testDnpgettext()
+    {
+        $translations = $this->getTranslations();
+
+        $translator = new GettextTranslator();
+        $translator->loadTranslations($translations);
+
+        $this->assertEquals('Translations!', $translator->dnpgettext(null, null, 'test.value', 'test.values', 2));
+    }
+
+    protected function getTranslations(): Translations
+    {
+        $translations = new Translations();
+        $translations[] =
+            (new Translation(null, 'test.value', 'test.values'))
+                ->setTranslation('Translation!')
+                ->setPluralTranslations(['Translations!']);
+
+        return $translations;
+    }
+}
diff --git a/tests/Unit/Helpers/TranslationServiceProviderTest.php b/tests/Unit/Helpers/Translation/TranslationServiceProviderTest.php
index 41c08aa5..91307bdd 100644
--- a/tests/Unit/Helpers/TranslationServiceProviderTest.php
+++ b/tests/Unit/Helpers/Translation/TranslationServiceProviderTest.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace Engelsystem\Test\Unit\Helpers;
+namespace Engelsystem\Test\Unit\Helpers\Translation;
 
 use Engelsystem\Config\Config;
-use Engelsystem\Helpers\TranslationServiceProvider;
-use Engelsystem\Helpers\Translator;
+use Engelsystem\Helpers\Translation\TranslationServiceProvider;
+use Engelsystem\Helpers\Translation\Translator;
 use Engelsystem\Test\Unit\ServiceProviderTest;
 use PHPUnit\Framework\MockObject\MockObject;
 use Symfony\Component\HttpFoundation\Session\Session;
@@ -12,13 +12,16 @@ use Symfony\Component\HttpFoundation\Session\Session;
 class TranslationServiceProviderTest extends ServiceProviderTest
 {
     /**
-     * @covers \Engelsystem\Helpers\TranslationServiceProvider::register()
+     * @covers \Engelsystem\Helpers\Translation\TranslationServiceProvider::register()
      */
-    public function testRegister()
+    public function testRegister(): void
     {
+        $defaultLocale = 'fo_OO';
+        $locale = 'te_ST.WTF-9';
+        $locales = ['fo_OO' => 'Foo', 'fo_OO.BAR' => 'Foo (Bar)', 'te_ST.WTF-9' => 'WTF\'s Testing?'];
+        $config = new Config(['locales' => $locales, 'default_locale' => $defaultLocale]);
+
         $app = $this->getApp(['make', 'instance', 'get']);
-        /** @var Config|MockObject $config */
-        $config = $this->createMock(Config::class);
         /** @var Session|MockObject $session */
         $session = $this->createMock(Session::class);
         /** @var Translator|MockObject $translator */
@@ -27,31 +30,14 @@ class TranslationServiceProviderTest extends ServiceProviderTest
         /** @var TranslationServiceProvider|MockObject $serviceProvider */
         $serviceProvider = $this->getMockBuilder(TranslationServiceProvider::class)
             ->setConstructorArgs([$app])
-            ->setMethods(['initGettext', 'setLocale'])
+            ->setMethods(['setLocale'])
             ->getMock();
 
-        $serviceProvider->expects($this->once())
-            ->method('initGettext');
-
         $app->expects($this->exactly(2))
             ->method('get')
             ->withConsecutive(['config'], ['session'])
             ->willReturnOnConsecutiveCalls($config, $session);
 
-        $defaultLocale = 'fo_OO';
-        $locale = 'te_ST.WTF-9';
-        $locales = ['fo_OO' => 'Foo', 'fo_OO.BAR' => 'Foo (Bar)', 'te_ST.WTF-9' => 'WTF\'s Testing?'];
-        $config->expects($this->exactly(2))
-            ->method('get')
-            ->withConsecutive(
-                ['locales'],
-                ['default_locale']
-            )
-            ->willReturnOnConsecutiveCalls(
-                $locales,
-                $defaultLocale
-            );
-
         $session->expects($this->once())
             ->method('get')
             ->with('locale', $defaultLocale)
@@ -65,9 +51,11 @@ class TranslationServiceProviderTest extends ServiceProviderTest
             ->with(
                 Translator::class,
                 [
-                    'locale'               => $locale,
-                    'locales'              => $locales,
-                    'localeChangeCallback' => [$serviceProvider, 'setLocale'],
+                    'locale'                => $locale,
+                    'locales'               => $locales,
+                    'fallbackLocale'        => 'en_US',
+                    'getTranslatorCallback' => [$serviceProvider, 'getTranslator'],
+                    'localeChangeCallback'  => [$serviceProvider, 'setLocale'],
                 ]
             )
             ->willReturn($translator);
@@ -81,4 +69,22 @@ class TranslationServiceProviderTest extends ServiceProviderTest
 
         $serviceProvider->register();
     }
+
+    /**
+     * @covers \Engelsystem\Helpers\Translation\TranslationServiceProvider::getTranslator()
+     */
+    public function testGetTranslator(): void
+    {
+        $app = $this->getApp(['get']);
+        $serviceProvider = new TranslationServiceProvider($app);
+
+        $this->setExpects($app, 'get', ['path.lang'], __DIR__ . '/Assets');
+
+        // Get translator
+        $translator = $serviceProvider->getTranslator('fo_OO');
+        $this->assertEquals('Foo Bar!', $translator->gettext('foo.bar'));
+
+        // Retry from cache
+        $serviceProvider->getTranslator('fo_OO');
+    }
 }
diff --git a/tests/Unit/Helpers/Translation/TranslatorTest.php b/tests/Unit/Helpers/Translation/TranslatorTest.php
new file mode 100644
index 00000000..c173209a
--- /dev/null
+++ b/tests/Unit/Helpers/Translation/TranslatorTest.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Helpers\Translation;
+
+use Engelsystem\Helpers\Translation\GettextTranslator;
+use Engelsystem\Helpers\Translation\TranslationNotFound;
+use Engelsystem\Helpers\Translation\Translator;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+use PHPUnit\Framework\MockObject\MockObject;
+use stdClass;
+
+class TranslatorTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Helpers\Translation\Translator::__construct
+     * @covers \Engelsystem\Helpers\Translation\Translator::getLocale
+     * @covers \Engelsystem\Helpers\Translation\Translator::getLocales
+     * @covers \Engelsystem\Helpers\Translation\Translator::hasLocale
+     * @covers \Engelsystem\Helpers\Translation\Translator::setLocale
+     * @covers \Engelsystem\Helpers\Translation\Translator::setLocales
+     */
+    public function testInit()
+    {
+        $locales = ['te_ST' => 'Tests', 'fo_OO' => 'SomeFOO'];
+        $locale = 'te_ST';
+
+        /** @var callable|MockObject $localeChange */
+        $localeChange = $this->getMockBuilder(stdClass::class)
+            ->setMethods(['__invoke'])
+            ->getMock();
+        $localeChange->expects($this->exactly(2))
+            ->method('__invoke')
+            ->withConsecutive(['te_ST'], ['fo_OO']);
+
+        $translator = new Translator($locale, 'fo_OO', function () { }, $locales, $localeChange);
+
+        $this->assertEquals($locales, $translator->getLocales());
+        $this->assertEquals($locale, $translator->getLocale());
+
+        $translator->setLocale('fo_OO');
+        $this->assertEquals('fo_OO', $translator->getLocale());
+
+        $newLocales = ['lo_RM' => 'Lorem', 'ip_SU-M' => 'Ipsum'];
+        $translator->setLocales($newLocales);
+        $this->assertEquals($newLocales, $translator->getLocales());
+
+        $this->assertTrue($translator->hasLocale('ip_SU-M'));
+        $this->assertFalse($translator->hasLocale('te_ST'));
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Translation\Translator::translate
+     */
+    public function testTranslate()
+    {
+        /** @var Translator|MockObject $translator */
+        $translator = $this->getMockBuilder(Translator::class)
+            ->setConstructorArgs(['de_DE', 'en_US', function () { }, ['de_DE' => 'Deutsch']])
+            ->setMethods(['translateText'])
+            ->getMock();
+        $translator->expects($this->exactly(2))
+            ->method('translateText')
+            ->withConsecutive(['gettext', ['Hello!'], []], ['gettext', ['My favourite number is %u!'], [3]])
+            ->willReturnOnConsecutiveCalls('Hallo!', 'Meine Lieblingszahl ist die 3!');
+
+        $return = $translator->translate('Hello!');
+        $this->assertEquals('Hallo!', $return);
+
+        $return = $translator->translate('My favourite number is %u!', [3]);
+        $this->assertEquals('Meine Lieblingszahl ist die 3!', $return);
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Translation\Translator::translatePlural
+     */
+    public function testTranslatePlural()
+    {
+        /** @var Translator|MockObject $translator */
+        $translator = $this->getMockBuilder(Translator::class)
+            ->setConstructorArgs(['de_DE', 'en_US', function () { }, ['de_DE' => 'Deutsch']])
+            ->setMethods(['translateText'])
+            ->getMock();
+        $translator->expects($this->once())
+            ->method('translateText')
+            ->with('ngettext', ['%s apple', '%s apples', 2], [2])
+            ->willReturn('2 Äpfel');
+
+        $return = $translator->translatePlural('%s apple', '%s apples', 2, [2]);
+        $this->assertEquals('2 Äpfel', $return);
+    }
+
+    /**
+     * @covers \Engelsystem\Helpers\Translation\Translator::translatePlural
+     * @covers \Engelsystem\Helpers\Translation\Translator::translateText
+     * @covers \Engelsystem\Helpers\Translation\Translator::replaceText
+     */
+    public function testReplaceText()
+    {
+        /** @var GettextTranslator|MockObject $gtt */
+        $gtt = $this->createMock(GettextTranslator::class);
+        /** @var callable|MockObject $getTranslator */
+        $getTranslator = $this->getMockBuilder(stdClass::class)
+            ->setMethods(['__invoke'])
+            ->getMock();
+        $getTranslator->expects($this->exactly(5))
+            ->method('__invoke')
+            ->withConsecutive(['te_ST'], ['fo_OO'], ['te_ST'], ['fo_OO'], ['te_ST'])
+            ->willReturn($gtt);
+
+        $i = 0;
+        $gtt->expects($this->exactly(4))
+            ->method('gettext')
+            ->willReturnCallback(function () use (&$i) {
+                $i++;
+                if ($i != 4) {
+                    throw new TranslationNotFound();
+                }
+
+                return 'Lorem %s???';
+            });
+        $this->setExpects($gtt, 'ngettext', ['foo.barf'], 'Lorem %s!');
+
+        $translator = new Translator('te_ST', 'fo_OO', $getTranslator, ['te_ST' => 'Test', 'fo_OO' => 'Foo']);
+
+        // No translation
+        $this->assertEquals('foo.bar', $translator->translate('foo.bar'));
+
+        // Fallback translation
+        $this->assertEquals('Lorem test2???', $translator->translate('foo.batz', ['test2']));
+
+        // Successful translation
+        $this->assertEquals('Lorem test3!', $translator->translatePlural('foo.barf', 'foo.bar2', 3, ['test3']));
+    }
+}
diff --git a/tests/Unit/Helpers/TranslatorTest.php b/tests/Unit/Helpers/TranslatorTest.php
deleted file mode 100644
index 45ca769b..00000000
--- a/tests/Unit/Helpers/TranslatorTest.php
+++ /dev/null
@@ -1,90 +0,0 @@
-<?php
-
-namespace Engelsystem\Test\Unit\Helpers;
-
-use Engelsystem\Helpers\Translator;
-use Engelsystem\Test\Unit\ServiceProviderTest;
-use PHPUnit\Framework\MockObject\MockObject;
-use stdClass;
-
-class TranslatorTest extends ServiceProviderTest
-{
-    /**
-     * @covers \Engelsystem\Helpers\Translator::__construct
-     * @covers \Engelsystem\Helpers\Translator::getLocale
-     * @covers \Engelsystem\Helpers\Translator::getLocales
-     * @covers \Engelsystem\Helpers\Translator::hasLocale
-     * @covers \Engelsystem\Helpers\Translator::setLocale
-     * @covers \Engelsystem\Helpers\Translator::setLocales
-     */
-    public function testInit()
-    {
-        $locales = ['te_ST.ER-01' => 'Tests', 'fo_OO' => 'SomeFOO'];
-        $locale = 'te_ST.ER-01';
-
-        /** @var callable|MockObject $callable */
-        $callable = $this->getMockBuilder(stdClass::class)
-            ->setMethods(['__invoke'])
-            ->getMock();
-        $callable->expects($this->exactly(2))
-            ->method('__invoke')
-            ->withConsecutive(['te_ST.ER-01'], ['fo_OO']);
-
-        $translator = new Translator($locale, $locales, $callable);
-
-        $this->assertEquals($locales, $translator->getLocales());
-        $this->assertEquals($locale, $translator->getLocale());
-
-        $translator->setLocale('fo_OO');
-        $this->assertEquals('fo_OO', $translator->getLocale());
-
-        $newLocales = ['lo_RM' => 'Lorem', 'ip_SU-M' => 'Ipsum'];
-        $translator->setLocales($newLocales);
-        $this->assertEquals($newLocales, $translator->getLocales());
-
-        $this->assertTrue($translator->hasLocale('ip_SU-M'));
-        $this->assertFalse($translator->hasLocale('te_ST.ER-01'));
-    }
-
-    /**
-     * @covers \Engelsystem\Helpers\Translator::replaceText
-     * @covers \Engelsystem\Helpers\Translator::translate
-     */
-    public function testTranslate()
-    {
-        /** @var Translator|MockObject $translator */
-        $translator = $this->getMockBuilder(Translator::class)
-            ->setConstructorArgs(['de_DE.UTF-8', ['de_DE.UTF-8' => 'Deutsch']])
-            ->setMethods(['translateGettext'])
-            ->getMock();
-        $translator->expects($this->exactly(2))
-            ->method('translateGettext')
-            ->withConsecutive(['Hello!'], ['My favourite number is %u!'])
-            ->willReturnOnConsecutiveCalls('Hallo!', 'Meine Lieblingszahl ist die %u!');
-
-        $return = $translator->translate('Hello!');
-        $this->assertEquals('Hallo!', $return);
-
-        $return = $translator->translate('My favourite number is %u!', [3]);
-        $this->assertEquals('Meine Lieblingszahl ist die 3!', $return);
-    }
-
-    /**
-     * @covers \Engelsystem\Helpers\Translator::translatePlural
-     */
-    public function testTranslatePlural()
-    {
-        /** @var Translator|MockObject $translator */
-        $translator = $this->getMockBuilder(Translator::class)
-            ->setConstructorArgs(['de_DE.UTF-8', ['de_DE.UTF-8' => 'Deutsch']])
-            ->setMethods(['translateGettextPlural'])
-            ->getMock();
-        $translator->expects($this->once())
-            ->method('translateGettextPlural')
-            ->with('%s apple', '%s apples', 2)
-            ->willReturn('2 Äpfel');
-
-        $return = $translator->translatePlural('%s apple', '%s apples', 2, [2]);
-        $this->assertEquals('2 Äpfel', $return);
-    }
-}
diff --git a/tests/Unit/Helpers/VersionServiceProviderTest.php b/tests/Unit/Helpers/VersionServiceProviderTest.php
new file mode 100644
index 00000000..609c649d
--- /dev/null
+++ b/tests/Unit/Helpers/VersionServiceProviderTest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Helpers;
+
+use Engelsystem\Application;
+use Engelsystem\Helpers\Version;
+use Engelsystem\Helpers\VersionServiceProvider;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+
+class VersionServiceProviderTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Helpers\VersionServiceProvider::register
+     */
+    public function testRegister()
+    {
+        $app = new Application();
+        $app->instance('path.storage.app', '/tmp');
+
+        $serviceProvider = new VersionServiceProvider($app);
+        $serviceProvider->register();
+
+        $this->assertArrayHasKey(Version::class, $app->contextual);
+    }
+}
diff --git a/tests/Unit/Helpers/VersionTest.php b/tests/Unit/Helpers/VersionTest.php
new file mode 100644
index 00000000..40569abb
--- /dev/null
+++ b/tests/Unit/Helpers/VersionTest.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Helpers;
+
+use Engelsystem\Config\Config;
+use Engelsystem\Helpers\Version;
+use Engelsystem\Test\Unit\ServiceProviderTest;
+
+class VersionTest extends ServiceProviderTest
+{
+    /**
+     * @covers \Engelsystem\Helpers\Version::__construct
+     * @covers \Engelsystem\Helpers\Version::getVersion
+     */
+    public function testGetVersion()
+    {
+        $config = new Config();
+        $version = new Version(__DIR__ . '/Stub', $config);
+
+        $this->assertEquals('n/a', $version->getVersion());
+
+        $version = new Version(__DIR__ . '/Stub/files', $config);
+        $this->assertEquals('0.42.0-testing', $version->getVersion());
+
+        $config->set('version', '1.2.3-dev');
+        $this->assertEquals('1.2.3-dev', $version->getVersion());
+    }
+}