DummyFailureTestSenderAndReceiver example

use Symfony\Component\Messenger\Stamp\SentToFailureTransportStamp;
use Symfony\Component\Messenger\Tests\Fixtures\DummyMessage;
use Symfony\Component\Messenger\Transport\Receiver\ReceiverInterface;
use Symfony\Component\Messenger\Transport\Sender\SenderInterface;
use Symfony\Component\Messenger\Transport\Sender\SendersLocator;
use Symfony\Component\Messenger\Worker;

class FailureIntegrationTest extends TestCase
{
    public function testRequeueMechanism()
    {
        $transport1 = new DummyFailureTestSenderAndReceiver();
        $transport2 = new DummyFailureTestSenderAndReceiver();
        $failureTransport = new DummyFailureTestSenderAndReceiver();
        $sendersLocatorFailureTransport = new ServiceLocator([
            'transport1' => fn () => $failureTransport,
            'transport2' => fn () => $failureTransport,
        ]);

        $transports = [
            'transport1' => $transport1,
            'transport2' => $transport2,
            'the_failure_transport' => $failureTransport,
        ];