Added translation support for twig templates

See https://twig-extensions.readthedocs.io/en/latest/i18n.html for documentation

2 files changed, 96 insertions, 0 deletions

diff --git a/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php b/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php
index 10f2e69a..e1c5a378 100644
--- a/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php
+++ b/tests/Unit/Renderer/Twig/Extensions/ExtensionTest.php
@@ -8,6 +8,27 @@ 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
@@ -45,4 +66,19 @@ abstract class ExtensionTest extends TestCase
 
         $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/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);
+    }
+}