6 files changed, 283 insertions, 0 deletions
diff --git a/tests/Unit/Renderer/Twig/Extensions/ConfigTest.php b/tests/Unit/Renderer/Twig/Extensions/ConfigTest.php
new file mode 100644
index 00000000..6a9cb78a
--- /dev/null
+++ b/tests/Unit/Renderer/Twig/Extensions/ConfigTest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Renderer\Twig\Extensions;
+
+use Engelsystem\Config\Config as EngelsystemConfig;
+use Engelsystem\Renderer\Twig\Extensions\Config;
+use PHPUnit\Framework\MockObject\MockObject;
+
+class ConfigTest extends ExtensionTest
+{
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Config::__construct
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Config::getFunctions
+     */
+    public function testGetFunctions()
+    {
+        /** @var EngelsystemConfig|MockObject $config */
+        $config = $this->createMock(EngelsystemConfig::class);
+
+        $extension = new Config($config);
+        $functions = $extension->getFunctions();
+
+        $this->assertExtensionExists('config', [$config, 'get'], $functions);
+    }
+}
diff --git a/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php b/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php
new file mode 100644
index 00000000..e1c5a378
--- /dev/null
+++ b/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Renderer\Twig\Extensions;
+
+use PHPUnit\Framework\TestCase;
+use Twig_Function as TwigFunction;
+
+abstract class ExtensionTest extends TestCase
+{
+    /**
+     * Assert that a twig filter was registered
+     *
+     * @param string         $name
+     * @param callable       $callback
+     * @param TwigFunction[] $functions
+     */
+    protected function assertFilterExists($name, $callback, $functions)
+    {
+        foreach ($functions as $function) {
+            if ($function->getName() != $name) {
+                continue;
+            }
+
+            $this->assertEquals($callback, $function->getCallable());
+            return;
+        }
+
+        $this->fail(sprintf('Filter %s not found', $name));
+    }
+
+    /**
+     * Assert that a twig function was registered
+     *
+     * @param string         $name
+     * @param callable       $callback
+     * @param TwigFunction[] $functions
+     */
+    protected function assertExtensionExists($name, $callback, $functions)
+    {
+        foreach ($functions as $function) {
+            if ($function->getName() != $name) {
+                continue;
+            }
+
+            $this->assertEquals($callback, $function->getCallable());
+            return;
+        }
+
+        $this->fail(sprintf('Function %s not found', $name));
+    }
+
+    /**
+     * Assert that a global exists
+     *
+     * @param string  $name
+     * @param mixed   $value
+     * @param mixed[] $globals
+     */
+    protected function assertGlobalsExists($name, $value, $globals)
+    {
+        if (isset($globals[$name])) {
+            $this->assertArraySubset([$name => $value], $globals);
+
+            return;
+        }
+
+        $this->fail(sprintf('Global %s not found', $name));
+    }
+
+    /**
+     * Assert that a token parser was set
+     *
+     * @param $tokenParser
+     * @param $tokenParsers
+     */
+    protected function assertTokenParserExists($tokenParser, $tokenParsers)
+    {
+        $this->assertArraySubset(
+            [$tokenParser],
+            $tokenParsers,
+            sprintf('Token parser %s not found', get_class($tokenParser))
+        );
+    }
+}
diff --git a/tests/Unit/Renderer/Twig/Extensions/GlobalsTest.php b/tests/Unit/Renderer/Twig/Extensions/GlobalsTest.php
new file mode 100644
index 00000000..6cc3a4da
--- /dev/null
+++ b/tests/Unit/Renderer/Twig/Extensions/GlobalsTest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Renderer\Twig\Extensions;
+
+use Engelsystem\Renderer\Twig\Extensions\Globals;
+
+class GlobalsTest extends ExtensionTest
+{
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Globals::getGlobals
+     */
+    public function testGetGlobals()
+    {
+        $extension = new Globals();
+        $globals = $extension->getGlobals();
+
+        $this->assertGlobalsExists('user', [], $globals);
+
+        global $user;
+        $user['foo'] = 'bar';
+
+        $globals = $extension->getGlobals();
+        $this->assertGlobalsExists('user', ['foo' => 'bar'], $globals);
+    }
+}
diff --git a/tests/Unit/Renderer/Twig/Extensions/SessionTest.php b/tests/Unit/Renderer/Twig/Extensions/SessionTest.php
new file mode 100644
index 00000000..7ce4dc3a
--- /dev/null
+++ b/tests/Unit/Renderer/Twig/Extensions/SessionTest.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Renderer\Twig\Extensions;
+
+use Engelsystem\Renderer\Twig\Extensions\Session;
+use PHPUnit\Framework\MockObject\MockObject;
+use Symfony\Component\HttpFoundation\Session\Session as SymfonySession;
+
+class SessionTest extends ExtensionTest
+{
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Session::__construct
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Session::getFunctions
+     */
+    public function testGetGlobals()
+    {
+        /** @var SymfonySession|MockObject $session */
+        $session = $this->createMock(SymfonySession::class);
+
+        $extension = new Session($session);
+        $functions = $extension->getFunctions();
+
+        $this->assertExtensionExists('session_get', [$session, 'get'], $functions);
+    }
+}
diff --git a/tests/Unit/Renderer/Twig/Extensions/TranslationTest.php b/tests/Unit/Renderer/Twig/Extensions/TranslationTest.php
new file mode 100644
index 00000000..f1548604
--- /dev/null
+++ b/tests/Unit/Renderer/Twig/Extensions/TranslationTest.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Renderer\Twig\Extensions;
+
+use Engelsystem\Helpers\Translator;
+use Engelsystem\Renderer\Twig\Extensions\Translation;
+use PHPUnit\Framework\MockObject\MockObject;
+use Twig_Extensions_TokenParser_Trans as TranslationTokenParser;
+
+class TranslationTest extends ExtensionTest
+{
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Translation::__construct
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Translation::getFilters
+     */
+    public function testGeFilters()
+    {
+        /** @var Translator|MockObject $translator */
+        $translator = $this->createMock(Translator::class);
+        /** @var TranslationTokenParser|MockObject $parser */
+        $parser = $this->createMock(TranslationTokenParser::class);
+
+        $extension = new Translation($translator, $parser);
+        $filters = $extension->getFilters();
+
+        $this->assertExtensionExists('trans', [$translator, 'translate'], $filters);
+    }
+
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Translation::getFunctions
+     */
+    public function testGetFunctions()
+    {
+        /** @var Translator|MockObject $translator */
+        $translator = $this->createMock(Translator::class);
+        /** @var TranslationTokenParser|MockObject $parser */
+        $parser = $this->createMock(TranslationTokenParser::class);
+
+        $extension = new Translation($translator, $parser);
+        $functions = $extension->getFunctions();
+
+        $this->assertExtensionExists('__', [$translator, 'translate'], $functions);
+    }
+
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Translation::getTokenParsers
+     */
+    public function testGetTokenParsers()
+    {
+        /** @var Translator|MockObject $translator */
+        $translator = $this->createMock(Translator::class);
+        /** @var TranslationTokenParser|MockObject $parser */
+        $parser = $this->createMock(TranslationTokenParser::class);
+
+        $extension = new Translation($translator, $parser);
+        $tokenParsers = $extension->getTokenParsers();
+
+        $this->assertTokenParserExists($parser, $tokenParsers);
+    }
+}
diff --git a/tests/Unit/Renderer/Twig/Extensions/UrlTest.php b/tests/Unit/Renderer/Twig/Extensions/UrlTest.php
new file mode 100644
index 00000000..c7e40bea
--- /dev/null
+++ b/tests/Unit/Renderer/Twig/Extensions/UrlTest.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Engelsystem\Test\Unit\Renderer\Twig\Extensions;
+
+use Engelsystem\Http\UrlGenerator;
+use Engelsystem\Renderer\Twig\Extensions\Url;
+use PHPUnit\Framework\MockObject\MockObject;
+
+class UrlTest extends ExtensionTest
+{
+    /**
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Url::__construct
+     * @covers \Engelsystem\Renderer\Twig\Extensions\Url::getFunctions
+     */
+    public function testGetGlobals()
+    {
+        /** @var UrlGenerator|MockObject $urlGenerator */
+        $urlGenerator = $this->createMock(UrlGenerator::class);
+
+        $extension = new Url($urlGenerator);
+        $functions = $extension->getFunctions();
+
+        $this->assertExtensionExists('url', [$extension, 'getUrl'], $functions);
+    }
+
+    /**
+     * @return string[][]
+     */
+    public function getUrls()
+    {
+        return [
+            ['/', '/', 'http://foo.bar/'],
+            ['/foo', '/foo', 'http://foo.bar/foo'],
+            ['foo_bar', 'foo-bar', 'http://foo.bar/foo-bar'],
+            ['dolor', 'dolor', 'http://foo.bar/dolor?lorem_ipsum=dolor', ['lorem_ipsum' => 'dolor']],
+        ];
+    }
+
+    /**
+     * @dataProvider getUrls
+     *
+     * @param string $url
+     * @param string $return
+     * @param string $urlTo
+     * @param array  $parameters
+     *
+     * @covers       \Engelsystem\Renderer\Twig\Extensions\Url::getUrl
+     */
+    public function testGetUrl($url, $urlTo, $return, $parameters = [])
+    {
+        /** @var UrlGenerator|MockObject $urlGenerator */
+        $urlGenerator = $this->createMock(UrlGenerator::class);
+
+        $urlGenerator->expects($this->once())
+            ->method('to')
+            ->with($urlTo, $parameters)
+            ->willReturn($return);
+
+        $extension = new Url($urlGenerator);
+        $generatedUrl = $extension->getUrl($url, $parameters);
+
+        $this->assertEquals($return, $generatedUrl);
+    }
+}