public void When_retry_limits_force_a_message_onto_the_dlq()
{
//NOTE: This test is **slow** because it needs to ensure infrastructure and then wait whilst we requeue a message a number of times,
//then propagate to the DLQ
//start a message pump, let it create infrastructure
var task = Task.Factory.StartNew(() => _messagePump.Run(), TaskCreationOptions.LongRunning);
Task.Delay(20000).Wait();
//put something on an SNS topic, which will be delivered to our SQS queue
_sender.Send(_message);
//Let the message be handled and deferred until it reaches the DLQ
Task.Delay(20000).Wait();
//send a quit message to the pump to terminate it
var quitMessage = new Message(new MessageHeader(Guid.Empty, "", MessageType.MT_QUIT), new MessageBody(""));
_channel.Enqueue(quitMessage);
//wait for the pump to stop once it gets a quit message
Task.WaitAll(new[] { task });
Task.Delay(5000).Wait();
//inspect the dlq
var dlqMessage = _deadLetterConsumer.Receive(10000).First();
//assert this is our message
dlqMessage.Body.Value.Should().Be(_message.Body.Value);
_deadLetterConsumer.Acknowledge(dlqMessage);
}
public void When_the_buffer_is_not_empty_read_from_that_before_receiving()
{
_channel.Enqueue(_messageOne, _messageTwo);
_messageThree = new Message(
new MessageHeader(Guid.NewGuid(), "key", MessageType.MT_EVENT),
new MessageBody("ThirdMessage"));
A.CallTo(() => _gateway.Receive(10)).Returns(new Message[] { _messageThree });
//pull the first message enqueued from the buffer
_channel.Receive(10).Id.Should().Be(_messageOne.Id);
//pull the second message enqueued from the buffer
_channel.Receive(10).Id.Should().Be(_messageTwo.Id);
//now we pull from the queue as the buffer is empty
_channel.Receive(10).Id.Should().Be(_messageThree.Id);
A.CallTo(() => _gateway.Receive(10)).MustHaveHappened();
}
public void When_throwing_defer_action_respect_redrive()
{
//put something on an SNS topic, which will be delivered to our SQS queue
_sender.Send(_message);
//start a message pump, let it process messages
var task = Task.Factory.StartNew(() => _messagePump.Run(), TaskCreationOptions.LongRunning);
Task.Delay(5000).Wait();
//send a quit message to the pump to terminate it
var quitMessage = new Message(new MessageHeader(Guid.Empty, "", MessageType.MT_QUIT), new MessageBody(""));
_channel.Enqueue(quitMessage);
//wait for the pump to stop once it gets a quit message
Task.WaitAll(new[] { task });
Task.Delay(5000);
//inspect the dlq
GetDLQCount(_dlqChannelName).Should().Be(1);
}
public override void Post(SendOrPostCallback callback, object state)
{
_channel.Enqueue(new Message(new MessageHeader(), new MessageBody(new PostBackItem(callback, state))));
}
