DummyEvent example

use Symfony\Component\Messenger\Middleware\MiddlewareInterface;
use Symfony\Component\Messenger\Middleware\StackInterface;
use Symfony\Component\Messenger\Stamp\DispatchAfterCurrentBusStamp;
use Symfony\Component\Messenger\Tests\Fixtures\DummyMessage;

class DispatchAfterCurrentBusMiddlewareTest extends TestCase
{
    public function testEventsInNewTransactionAreHandledAfterMainMessage()
    {
        $message = new DummyMessage('Hello');

        $firstEvent = new DummyEvent('First event');
        $secondEvent = new DummyEvent('Second event');
        $thirdEvent = new DummyEvent('Third event');

        $middleware = new DispatchAfterCurrentBusMiddleware();
        $handlingMiddleware = $this->createMock(MiddlewareInterface::class);

        $eventBus = new MessageBus([
            $middleware,
            $handlingMiddleware,
        ]);