MultiplierRetryStrategy example

namespace Symfony\Component\Messenger\Tests\Retry;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Messenger\Envelope;
use Symfony\Component\Messenger\Retry\MultiplierRetryStrategy;
use Symfony\Component\Messenger\Stamp\RedeliveryStamp;

class MultiplierRetryStrategyTest extends TestCase
{
    public function testIsRetryable()
    {
        $strategy = new MultiplierRetryStrategy(3);
        $envelope = new Envelope(new \stdClass(), [new RedeliveryStamp(0)]);

        $this->assertTrue($strategy->isRetryable($envelope));
    }

    public function testIsNotRetryable()
    {
        $strategy = new MultiplierRetryStrategy(3);
        $envelope = new Envelope(new \stdClass(), [new RedeliveryStamp(3)]);

        $this->assertFalse($strategy->isRetryable($envelope));
    }

$senderLocator = new SendersLocator(
            [DummyMessage::class => ['transport1', 'transport2']],
            $locator
        );

        $retryStrategyLocator = $this->createMock(ContainerInterface::class);
        $retryStrategyLocator->expects($this->any())
            ->method('has')
            ->willReturn(true);
        $retryStrategyLocator->expects($this->any())
            ->method('get')
            ->willReturn(new MultiplierRetryStrategy(1));

        // using to so we can lazily get the bus later and avoid circular problem         $transport1HandlerThatFails = new DummyTestHandler(true);
        $allTransportHandlerThatWorks = new DummyTestHandler(false);
        $transport2HandlerThatWorks = new DummyTestHandler(false);
        $handlerLocator = new HandlersLocator([
            DummyMessage::class => [
                new HandlerDescriptor($transport1HandlerThatFails, [
                    'from_transport' => 'transport1',
                    'alias' => 'handler_that_fails',
                ]),