diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php
new file mode 100644
index 0000000000..a04a0cccad
--- /dev/null
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Command/TranslationUpdateCommandTest.php
@@ -0,0 +1,141 @@
+<?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\Bundle\FrameworkBundle\Tests\Command;
+
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Tester\CommandTester;
+use Symfony\Bundle\FrameworkBundle\Command\TranslationUpdateCommand;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\DependencyInjection;
+use Symfony\Component\HttpKernel;
+
+class TranslationUpdateCommandTest extends \PHPUnit_Framework_TestCase
+{
+    private $fs;
+    private $translationDir;
+
+    public function testDumpMessagesAndClean()
+    {
+        $tester = $this->createCommandTester($this->getContainer(array('foo' => 'foo')));
+        $tester->execute(array('command' => 'translation:update', 'locale' => 'en', 'bundle' => 'foo', '--dump-messages' => true, '--clean' => true));
+        $this->assertRegExp('/foo/', $tester->getDisplay());
+    }
+
+    protected function setUp()
+    {
+        $this->fs = new Filesystem();
+        $this->translationDir = sys_get_temp_dir().'/'.uniqid('sf2_translation', true);
+        $this->fs->mkdir($this->translationDir.'/Resources/translations');
+        $this->fs->mkdir($this->translationDir.'/Resources/views');
+    }
+
+    protected function tearDown()
+    {
+        $this->fs->remove($this->translationDir);
+    }
+
+    /**
+     * @return CommandTester
+     */
+    private function createCommandTester(DependencyInjection\ContainerInterface $container)
+    {
+        $command = new TranslationUpdateCommand();
+        $command->setContainer($container);
+
+        $application = new Application();
+        $application->add($command);
+
+        return new CommandTester($application->find('translation:update'));
+    }
+
+    private function getContainer($extractedMessages = array(), $loadedMessages = array(), HttpKernel\KernelInterface $kernel = null)
+    {
+        $translator = $this->getMockBuilder('Symfony\Component\Translation\Translator')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $translator
+            ->expects($this->any())
+            ->method('getFallbackLocales')
+            ->will($this->returnValue(array('en')));
+
+        $extractor = $this->getMock('Symfony\Component\Translation\Extractor\ExtractorInterface');
+        $extractor
+            ->expects($this->any())
+            ->method('extract')
+            ->will(
+                $this->returnCallback(function ($path, $catalogue) use ($extractedMessages) {
+                  $catalogue->add($extractedMessages);
+                })
+            );
+
+        $loader = $this->getMock('Symfony\Bundle\FrameworkBundle\Translation\TranslationLoader');
+        $loader
+            ->expects($this->any())
+            ->method('loadMessages')
+            ->will(
+                $this->returnCallback(function ($path, $catalogue) use ($loadedMessages) {
+                  $catalogue->add($loadedMessages);
+                })
+            );
+
+        $writer = $this->getMock('Symfony\Component\Translation\Writer\TranslationWriter');
+        $writer
+            ->expects($this->any())
+            ->method('getFormats')
+            ->will(
+                $this->returnValue(array('xlf', 'yml'))
+            );
+
+        if (null === $kernel) {
+            $kernel = $this->getMock('Symfony\Component\HttpKernel\KernelInterface');
+            $kernel
+                ->expects($this->any())
+                ->method('getBundle')
+                ->will($this->returnValueMap(array(
+                    array('foo', true, $this->getBundle($this->translationDir)),
+                    array('test', true, $this->getBundle('test')),
+                )));
+        }
+
+        $kernel
+            ->expects($this->any())
+            ->method('getRootDir')
+            ->will($this->returnValue($this->translationDir));
+
+        $container = $this->getMock('Symfony\Component\DependencyInjection\ContainerInterface');
+        $container
+            ->expects($this->any())
+            ->method('get')
+            ->will($this->returnValueMap(array(
+                array('translation.extractor', 1, $extractor),
+                array('translation.loader', 1, $loader),
+                array('translation.writer', 1, $writer),
+                array('translator', 1, $translator),
+                array('kernel', 1, $kernel),
+            )));
+
+        return $container;
+    }
+
+    private function getBundle($path)
+    {
+        $bundle = $this->getMock('Symfony\Component\HttpKernel\Bundle\BundleInterface');
+        $bundle
+            ->expects($this->any())
+            ->method('getPath')
+            ->will($this->returnValue($path))
+        ;
+
+        return $bundle;
+    }
+}