MoFileDumper example

use PHPUnit\Framework\TestCase;
use Symfony\Component\Translation\Dumper\MoFileDumper;
use Symfony\Component\Translation\MessageCatalogue;

class MoFileDumperTest extends TestCase
{
    public function testFormatCatalogue()
    {
        $catalogue = new MessageCatalogue('en');
        $catalogue->add(['foo' => 'bar']);

        $dumper = new MoFileDumper();

        $this->assertStringEqualsFile(__DIR__.'/../fixtures/resources.mo', $dumper->formatCatalogue($catalogue, 'messages'));
    }
}