[Translation] add Mo loader tests

tests/Symfony/Tests/Component/Translation/Loader/MoFileLoaderTest.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Tests\Component\Translation\Loader;
+
+use Symfony\Component\Translation\Loader\MoFileLoader;
+use Symfony\Component\Config\Resource\FileResource;
+
+class MoFileLoaderTest extends \PHPUnit_Framework_TestCase
+{
+    public function testLoad()
+    {
+        $loader = new MoFileLoader();
+        $resource = __DIR__.'/../fixtures/resources.mo';
+        $catalogue = $loader->load($resource, 'en', 'domain1');
+
+        $this->assertEquals(array('foo' => 'bar'), $catalogue->all('domain1'));
+        $this->assertEquals('en', $catalogue->getLocale());
+        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
+    }
+
+    public function testLoadDoesNothingIfEmpty()
+    {
+        $loader = new MoFileLoader();
+        $resource = __DIR__.'/../fixtures/empty.mo';
+        $catalogue = $loader->load($resource, 'en', 'domain1');
+
+        $this->assertEquals(array(), $catalogue->all('domain1'));
+        $this->assertEquals('en', $catalogue->getLocale());
+        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
+    }
+}