add Twig & refactor poche

inc/Twig/Extensions/Gettext/Test/ExtractorTest.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * This file is part of the Twig Gettext utility.
+ *
+ *  (c) Саша Стаменковић <umpirsky@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Twig\Gettext\Test;
+
+use Twig\Gettext\Extractor;
+use Twig\Gettext\Loader\Filesystem;
+use Symfony\Component\Translation\Loader\PoFileLoader;
+
+/**
+ * @author Саша Стаменковић <umpirsky@gmail.com>
+ */
+class ExtractorTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Twig_Environment
+     */
+    protected $twig;
+
+    /**
+     * @var PoFileLoader
+     */
+    protected $loader;
+
+    protected function setUp()
+    {
+        $this->twig = new \Twig_Environment(new Filesystem('/'), array(
+            'cache'       => '/tmp/cache/'.uniqid(),
+            'auto_reload' => true
+        ));
+        $this->twig->addExtension(new \Twig_Extensions_Extension_I18n());
+
+        $this->loader = new PoFileLoader();
+    }
+
+    /**
+     * @dataProvider testExtractDataProvider
+     */
+    public function testExtract(array $templates, array $parameters, array $messages)
+    {
+        $extractor = new Extractor($this->twig);
+
+        foreach ($templates as $template) {
+            $extractor->addTemplate($template);
+        }
+        foreach ($parameters as $parameter) {
+            $extractor->addGettextParameter($parameter);
+        }
+
+        $extractor->extract();
+
+        $catalog = $this->loader->load($this->getPotFile(), null);
+
+        foreach ($messages as $message) {
+            $this->assertTrue(
+                $catalog->has($message),
+                sprintf('Message "%s" not found in catalog.', $message)
+            );
+        }
+    }
+
+    public function testExtractDataProvider()
+    {
+        return array(
+            array(
+                array(
+                    __DIR__.'/Fixtures/twig/singular.twig',
+                    __DIR__.'/Fixtures/twig/plural.twig',
+                ),
+                $this->getGettextParameters(),
+                array(
+                    'Hello %name%!',
+                    'Hello World!',
+                    'Hey %name%, I have one apple.',
+                    'Hey %name%, I have %count% apples.',
+                ),
+            ),
+        );
+    }
+
+    public function testExtractNoTranslations()
+    {
+        $extractor = new Extractor($this->twig);
+
+        $extractor->addTemplate(__DIR__.'/Fixtures/twig/empty.twig');
+        $extractor->setGettextParameters($this->getGettextParameters());
+
+        $extractor->extract();
+
+        $catalog = $this->loader->load($this->getPotFile(), null);
+
+        $this->assertEmpty($catalog->all('messages'));
+    }
+
+    private function getPotFile()
+    {
+        return __DIR__.'/Fixtures/messages.pot';
+    }
+
+    private function getGettextParameters()
+    {
+        return array(
+            '--force-po',
+            '-o',
+            $this->getPotFile(),
+        );
+    }
+
+    protected function tearDown()
+    {
+        if (file_exists($this->getPotFile())) {
+            unlink($this->getPotFile());
+        }
+    }
+}