public async Task ListenToQueueOverloadCalls_EventReceived_WhenEventIsReceivedForMultipleQueues()
{
const string queueName2 = "otherQueue";
EventReceivedCallback callbackFromBus1 = null;
EventReceivedCallback callbackFromBus2 = null;
SetupBusProviderMockBasicConsume(
QueueName,
(queue, callback, ack) => callbackFromBus1 = callback);
SetupBusProviderMockBasicConsume(
queueName2,
(queue, callback, ack) => callbackFromBus2 = callback);
var listenToQueueAndTopicStub2 = new ListenToQueueAndTopicStub <Person>();
await _sut.SetupQueueListenerAsync(QueueName, WildcardTopic, _listenToQueueAndTopicStub.GenericTypeEventListenerCallback());
await _sut.SetupQueueListenerAsync(queueName2, WildcardTopic, listenToQueueAndTopicStub2.GenericTypeEventListenerCallback());
callbackFromBus1.Invoke(EventMessage);
callbackFromBus2.Invoke(EventMessage);
_listenToQueueAndTopicStub.WaitHandle.WaitOne(Timeout).ShouldBeTrue();
listenToQueueAndTopicStub2.WaitHandle.WaitOne(Timeout).ShouldBeTrue();
_listenToQueueAndTopicStub.ReceivedObject.Name.ShouldBe(Person.Name);
listenToQueueAndTopicStub2.ReceivedObject.Name.ShouldBe(Person.Name);
}
private static void HandleReceivedEvent(BasicDeliverEventArgs args, EventReceivedCallback callback)
{
var message = Encoding.UTF8.GetString(args.Body);
Guid?correlationId = null;
if (args.BasicProperties.CorrelationId != null &&
Guid.TryParse(args.BasicProperties.CorrelationId, out Guid parsedId))
{
correlationId = parsedId;
}
bool?isError = (bool?)args.BasicProperties.Headers?.FirstOrDefault(a => a.Key == "isError").Value;
var eventMessage = new EventMessage()
{
JsonMessage = message,
RoutingKey = args.RoutingKey,
CorrelationId = correlationId,
Timestamp = args.BasicProperties.Timestamp.UnixTime,
ReplyQueueName = args.BasicProperties.ReplyTo,
Type = args.BasicProperties.Type,
IsError = isError != null && isError.Value,
DeliveryTag = args.DeliveryTag
};
callback(eventMessage);
}
public void EventCanBePublishedAndReceived()
{
using (var sut = new RabbitBusProvider(BusOptions))
{
sut.EnsureConnection();
var queue = GetUniqueQueue();
var topic = GetUniqueTopic();
EventMessage receivedMessage = null;
var waitHandle = new ManualResetEvent(false);
EventReceivedCallback eventReceivedCallback = (message) =>
{
receivedMessage = message;
waitHandle.Set();
};
var sentMessage = new EventMessage
{
JsonMessage = "Something",
RoutingKey = topic,
Type = TopicType
};
sut.BasicTopicBind(queue, topic);
sut.BasicConsume(queue, eventReceivedCallback);
sut.BasicPublish(sentMessage);
waitHandle.WaitOne(2000).ShouldBeTrue();
receivedMessage.JsonMessage.ShouldBe(sentMessage.JsonMessage);
}
}
public void EventCanBeReceived()
{
using (var sut = new RabbitBusProvider(BusOptions))
{
sut.EnsureConnection();
var queue = GetUniqueQueue();
var topic = GetUniqueTopic();
const string jsonMessage = "Something";
EventMessage passedMessage = null;
var waitHandle = new ManualResetEvent(false);
EventReceivedCallback eventReceivedCallback = (message) =>
{
passedMessage = message;
waitHandle.Set();
};
sut.BasicTopicBind(queue, topic);
sut.BasicConsume(queue, eventReceivedCallback);
SendRabbitEventToExchange(topic, jsonMessage);
waitHandle.WaitOne(2000).ShouldBeTrue();
passedMessage.ShouldNotBeNull();
passedMessage.JsonMessage.ShouldBe(jsonMessage);
}
}
protected override void RegisterCallbackListener(string queueName, EventReceivedCallback callback)
{
_busProvider.BasicConsume(
queueName: queueName,
callback: callback,
autoAcknowledge: false);
_busProvider.BasicQos(0, 1);
}
public async Task ListenToQueueOverloadCalls_EventReceived_WhenEventIsReceivedForCorrectTopic()
{
EventReceivedCallback callbackFromBus = null;
SetupBusProviderMockBasicConsume(
QueueName,
(queue, callback, ack) => callbackFromBus = callback);
await _sut.SetupQueueListenerAsync(QueueName, WildcardTopic, _listenToQueueAndTopicStub.GenericTypeEventListenerCallback());
callbackFromBus.Invoke(EventMessage);
_listenToQueueAndTopicStub.WaitHandle.WaitOne(Timeout).ShouldBeTrue();
_listenToQueueAndTopicStub.ReceivedObject.Name.ShouldBe(Person.Name);
}
public void BasicConsume(string queueName, EventReceivedCallback callback, bool autoAcknowledge = true)
{
EnsureArg.IsNotNullOrWhiteSpace(queueName, nameof(queueName));
EnsureArg.IsNotNull(callback, nameof(callback));
var consumer = new EventingBasicConsumer(_channel);
consumer.Received += (sender, args) => HandleReceivedEvent(args, callback);
QueueDeclare(queueName);
lock (_channel)
{
_channel.BasicConsume(
queue: queueName,
autoAck: autoAcknowledge,
consumer: consumer);
}
}
public void TestInitialize()
{
_busProviderMock
.Setup(b => b.BasicConsume(It.IsAny <string>(), It.IsAny <EventReceivedCallback>(), It.IsAny <bool>()))
.Callback <string, EventReceivedCallback, bool>((que, callback, ack) => _eventReceivedCallback = callback);
_busProviderMock
.Setup(b => b.EnsureConnection());
_busProviderMock
.Setup(b => b.BasicTopicBind(It.IsAny <string>(), It.IsAny <string>(), ExchangeName));
_busProviderMock
.Setup(b => b.BasicPublish(It.Is(CorrectEventMessage), ExchangeName))
.Callback(BasicPublishCallback)
.Verifiable();
_sut = new CommandPublisher(_busProviderMock.Object);
}
protected override void RegisterCallbackListener(string queueName, EventReceivedCallback callback)
{
_busProvider.BasicConsume(queueName, callback);
}
protected abstract void RegisterCallbackListener(string queueName, EventReceivedCallback callback);
