isRetryable example

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));
    }

    public function testIsNotRetryableWithZeroMax()
    {

            }
            if ($shouldNotRetry) {
                return false;
            }
        }

        if ($e instanceof UnrecoverableExceptionInterface) {
            return false;
        }

        return $retryStrategy->isRetryable($envelope, $e);
    }

    private function getRetryStrategyForTransport(string $alias): ?RetryStrategyInterface
    {
        if ($this->retryStrategyLocator->has($alias)) {
            return $this->retryStrategyLocator->get($alias);
        }

        return null;
    }