public async Task Handle(BookingCreated notification, CancellationToken cancellationToken)
{
var booking = notification.Booking;
var customer = await _context
.Customers
.Include(x => x.CustomerLocations)
.ThenInclude(x => x.Location)
.SingleAsync(x => x.CustomerId == booking.CustomerId);
var shippingBooking = new ShipmentBooking()
{
BookingId = booking.BookingId
};
var shipment = new Shipment()
{
Type = ShipmentType.Delivery,
};
var customerLocation = customer.CustomerLocations
.SingleOrDefault(x => x.Location.Type == LocationType.Delivery ||
x.Location.Type == LocationType.DeliveryPickUp);
if (customerLocation != null)
{
shipment.LocationId = customerLocation.Location.LocationId;
}
shipment.ShipmentBookings.Add(shippingBooking);
await _context.Shipments.AddAsync(shipment);
await _context.SaveChangesAsync(cancellationToken);
}
public async void HandleSuccessAsync(bool explicitAcknowledgments,
bool storedeadletter)
{
//prepare
MessageProperties messageProperties = new MessageProperties();
BookingCreated bookingCreated = new BookingCreated {
BookingName = "test"
};
string bookingCreatedEventType = "bookingCreatedEventType";
IntegrationEvent <BookingCreated> integrationEvent = new IntegrationEvent <BookingCreated>(bookingCreated, bookingCreatedEventType);
var message = JsonConvert.SerializeObject(integrationEvent);
var body = Encoding.UTF8.GetBytes(message);
ExecutionHandlingStrategy executionHandlingStrategy = new ExecutionHandlingStrategy(_subscriberName, _easyNetQPublisher,
_maxRetry, _modelNamingConventionController.Object, explicitAcknowledgments, _publisher.Object, storedeadletter);
_modelNamingConventionController.Setup(x => x.GetTrackingMessageEventType(bookingCreatedEventType))
.Returns((string eventType) => string.Concat("ok.", eventType));
_modelNamingConventionController.Setup(x => x.GetTrackingRoutingKey(_subscriberName))
.Returns((string subscriberName) => string.Concat("ok.", subscriberName));
//Tracking flow
IntegrationEvent <string> actualTrackingMessage = null;
string actualTrackingMessageRouting = string.Empty;
bool actualPersistantMode = false;
_publisher.Setup(x => x.PublishEventAsync(It.IsAny <IntegrationEvent <string> >(), It.IsAny <string>(), true))
.Returns(Task.FromResult(true))
.Callback <IntegrationEvent <string>, string, bool>(
(trackingMessage, routing, persistantMode) =>
{
actualTrackingMessage = trackingMessage;
actualTrackingMessageRouting = routing;
actualPersistantMode = persistantMode;
});
//act
await executionHandlingStrategy.HandleSuccessAsync(integrationEvent);
//check
if (explicitAcknowledgments == false)
{
//check, that No messages for tracking are sent.
_publisher.Verify(v => v.PublishEventAsync(It.IsAny <IntegrationEvent <string> >(), It.IsAny <string>(), It.IsAny <bool>()), Times.Never);
}
else
{
_publisher.Verify(v => v.PublishEventAsync(It.IsAny <IntegrationEvent <string> >(), It.IsAny <string>(), It.IsAny <bool>()), Times.Once);
actualTrackingMessageRouting.Should().Be(string.Concat("ok.", _subscriberName));
actualPersistantMode.Should().BeTrue();
actualTrackingMessage.EventType.Should()
.Be(string.Concat("ok.", bookingCreatedEventType));
actualTrackingMessage.CorrelationId.Should().Be(integrationEvent.CorrelationId);
actualTrackingMessage.Content.Should().BeEmpty();
}
}
public void Apply(BookingCreated dEvent)
{
this.Rooms = dEvent.Rooms;
this.BookingStatus = dEvent.BookingStatus;
this.NumberOfOccupents = dEvent.NumberOfOccupents;
this.DaysBooked = dEvent.DaysBooked;
this.CheckInDate = dEvent.CheckInDate;
this.DayBooked = dEvent.DayBooked;
}
public async Task <bool> CreateBooking(BookingCreateInput input)
{
var AggregateId = new Guid();
var bookingCreated = new BookingCreated
{
AggregateId = AggregateId,
DateAdded = DateTime.Now,
Version = 0,
Data = await BuildCreateBookingEventData()
};
await _eventStore.Push(bookingCreated);
return(true);
}
//Hanlders , We are building the booking history here
private IEnumerable <EventBase> Handle(BookingCreated e)
{
OrderHistory bookingCreated = new OrderHistory();
bookingCreated.BookingOrderId = e.BookingId;
bookingCreated.DateTime = e.Date.ToString();
bookingCreated.Origion = e.Origin;
bookingCreated.Destination = e.Destination;
bookingCreated.Description = e.Description;
bookingCreated.OrderState = typeof(BookingCreated).ToString();
orderHistory.Add(bookingCreated);
return(new EventBase[] { e });
}
public static Booking Create(IEnumerable <long> roomIds, int numberOfOccupents, int daysBooked, DateTime checkInDate, string user)
{
var booking = new Booking();
var bookingCreatedEvent = new BookingCreated(
roomIds,
BookingStatus.Booked,
numberOfOccupents,
daysBooked,
checkInDate,
DateTime.Now,
user
);
booking.ApplyEvent(bookingCreatedEvent);
return(booking);
}
public async Task Handle(BookingAddIntegrationEvent eventMsg)
{
List <EventBase> events = new List <EventBase>();
if (eventMsg.Id != Guid.Empty)
{
try
{
Track trackings = await _trackingContext.GetEventVersion(eventMsg.BookingId);
if (trackings == null)
{
trackings = new Track();
}
var messageType = _assemblyTypes
.Where(t => t.Name.Contains("BookingCreated")).FirstOrDefault().
Name.ToString();
BookingCreated bookingCreated = new
BookingCreated(eventMsg.BookingId, string.Empty, eventMsg.Id
, messageType, eventMsg.CreationDate, eventMsg.Origin, eventMsg.Destination);
events.AddRange(trackings.BookingAdd(bookingCreated));
trackings.Version = trackings.OriginalVersion + 1;
await _trackingContext.SaveTrackingAsync(eventMsg.BookingId, trackings.OriginalVersion,
trackings.Version, events);
}
catch (Exception e)
{
var ExceptionTelemetry = new ExceptionTelemetry(e);
ExceptionTelemetry.Properties.Add("BookingAddIntegrationEvent", eventMsg.BookingId);
ExceptionTelemetry.SeverityLevel = SeverityLevel.Critical;
telemetry.TrackException(ExceptionTelemetry);
throw;//Make sure event bus abaondon the message
}
}
}
public async Task UpdateBookingModelInCache(Message msg)
{
RedisCacheService rCache = new RedisCacheService();
List <EventBase> events = new List <EventBase>();
Track tracking = new Track();
var bookingId = string.Empty;
List <OrderHistory> trackingHistory = new List <OrderHistory>();
try
{
if (msg.Label == "BookingAdd")
{
BookingAddIntegrationEvent eventMsg = JsonConvert.DeserializeObject <BookingAddIntegrationEvent>(Encoding.UTF8.GetString(msg.Body));
string messageType = "BookingCreated";
BookingCreated bookingCreated = new
BookingCreated(eventMsg.BookingId, string.Empty, eventMsg.Id
, messageType, eventMsg.CreationDate, eventMsg.Origin, eventMsg.Destination);
bookingId = eventMsg.BookingId;
tracking.BookingAdd(bookingCreated);
}
else if (msg.Label == "OrderPicked")
{
OrderPickedIntegrationEvent eventMsg = JsonConvert.DeserializeObject <OrderPickedIntegrationEvent>(Encoding.UTF8.GetString(msg.Body));
string messageType = "OrderPicked";
OrderPicked orderPicked = new
OrderPicked(eventMsg.BookingId, eventMsg.Description, eventMsg.Id
, messageType, eventMsg.CreationDate);
bookingId = eventMsg.BookingId;
tracking.OrderPicked(orderPicked);
}
else if (msg.Label == "OrderTransit")
{
OrderTransitIntegrationEvent eventMsg = JsonConvert.DeserializeObject <OrderTransitIntegrationEvent>(Encoding.UTF8.GetString(msg.Body));
string messageType = "OrderInTransit";
OrderInTransit orderInTransit = new
OrderInTransit(eventMsg.BookingId, eventMsg.Description, eventMsg.Id
, messageType, eventMsg.CreationDate);
bookingId = eventMsg.BookingId;
tracking.OrderInTransit(orderInTransit);
}
else if (msg.Label == "OrderDelivered")
{
OrderDeliveredIntegrationEvent eventMsg = JsonConvert.DeserializeObject <OrderDeliveredIntegrationEvent>(Encoding.UTF8.GetString(msg.Body));
string messageType = "OrderDelivered";
OrderDelivered orderDelivered = new
OrderDelivered(eventMsg.BookingId, eventMsg.Description, eventMsg.Id
, messageType, eventMsg.CreationDate, eventMsg.SignedBy);
bookingId = eventMsg.BookingId;
tracking.OrderDelivered(orderDelivered);
}
else if (msg.Label == "PaymentProcessed")
{
PaymentProcessedIntegrationEvent eventMsg = JsonConvert.DeserializeObject <PaymentProcessedIntegrationEvent>(Encoding.UTF8.GetString(msg.Body));
string messageType = "PaymentProcessed";
string description = string.Empty;
if (eventMsg.PaymentStatus == PaymetStatus.Completed)
{
description = "Payment Done";
}
else if (eventMsg.PaymentStatus == PaymetStatus.Canceled)
{
description = "Payment Failed";
}
else if (eventMsg.PaymentStatus == PaymetStatus.Pending)
{
description = "Payment Pending";
}
PaymentProcessed eventPaymentProcessed = new
PaymentProcessed(eventMsg.BookingOrderId, description, eventMsg.Id, messageType, eventMsg.CreationDate);
bookingId = eventMsg.BookingOrderId;
tracking.PaymentProcessed(eventPaymentProcessed);
}
//If Booking ID Exists
if (!string.IsNullOrEmpty(bookingId))
{
if (!string.IsNullOrEmpty(rCache.Get(bookingId)))
{
trackingHistory = JsonConvert.DeserializeObject <List <OrderHistory> >(rCache.Get(bookingId));
}
//Append new event to old events
trackingHistory.AddRange(tracking.orderHistory);
//Serialze the result
var result = JsonConvert.SerializeObject(trackingHistory);
await rCache.Remove(bookingId);
//Update the Cache
if (!string.IsNullOrEmpty(result))
{
await rCache.Save(bookingId, result);
}
}
}
catch (Exception ex)
{
throw ex;
}
}
public IEnumerable <EventBase> BookingAdd(BookingCreated e)
{
return(HandleEvent(e));
}
public async void PublishDirectEventAsync_MessageMustBeSerializedAndCorrectlyRouted(bool persistant, byte deliveryMode)
{
//prepare
var mockBus = new Mock <IAdvancedBus>();
var mockExchange = new Mock <IExchange>();
var mockModelNamingConventionController = new Mock <IModelNamingConventionController>();
var subscriberName = "subscriber";
var routingKey = string.Concat("direct.", subscriberName);;
IExchange actualExchange = null;
string actualRouting = string.Empty;
bool actualMandatory = true;
MessageProperties actualProperties = null;
byte[] actualMsg = null;
mockModelNamingConventionController.Setup(x => x.GetDirectRoutingKey(subscriberName)).Returns(routingKey);
mockBus.Setup(x => x.PublishAsync(mockExchange.Object, routingKey, false,
It.IsAny <MessageProperties>(), It.IsAny <byte[]>()))
.Returns((IExchange exchange, string routing, bool mandatory,
MessageProperties properties, byte[] msg) =>
{ return(Task.FromResult(true)); })
.Callback <IExchange, string, bool, MessageProperties, byte[]>(
(exchange, routing, mandatory, properties, msg) =>
{
actualExchange = exchange;
actualRouting = routing;
actualMandatory = mandatory;
actualProperties = properties;
actualMsg = msg;
});
mockBus.Setup(x => x.ExchangeDeclareAsync("exchangename", ExchangeType.Topic,
false, true, false, false, null, false))
.Returns((string exchangename, string exchanegType,
bool passive, bool durable, bool autoDelete, bool internalflag,
string alternateExchange, bool delayed) =>
{ return(Task.FromResult(mockExchange.Object)); });
//act
EasyNetQPublisher easyNetQPublisher =
new EasyNetQPublisher(mockBus.Object, "exchangename", mockModelNamingConventionController.Object);
BookingCreated bookingCreated =
new BookingCreated()
{
BookingName = string.Concat("Microsoft Sale",
Guid.NewGuid().ToString())
};
var bookingCreatedIntegrationEvent = new IntegrationEvent <BookingCreated>()
{
Content = bookingCreated,
EventType = "bookingcreated"
};
await easyNetQPublisher.PublishDirectEventAsync(bookingCreatedIntegrationEvent,
subscriberName, persistant);
//check
actualExchange.Should().Be(mockExchange.Object);
actualRouting.Should().Be(routingKey);
actualMandatory.Should().Be(false);
actualProperties.ShouldBeEquivalentTo(new MessageProperties()
{
DeliveryMode = deliveryMode
});
var messagejson = JsonConvert.SerializeObject(bookingCreatedIntegrationEvent);
var messagebytes = Encoding.UTF8.GetBytes(messagejson);
actualMsg.ShouldBeEquivalentTo(messagebytes);
}
public async void Subscribe_DiscardEventException_WhenProcessed_ExceptionShouldBeThrown()
{
//prepare
var content = new BookingCreated()
{
BookingName = _bookingName
};
IntegrationEvent <BookingCreated> integrationEvent =
new IntegrationEvent <BookingCreated>
{
CorrelationId = Guid.NewGuid(),
EventCreationDate = DateTime.UtcNow,
EventId = Guid.NewGuid(),
EventType = _bookingEventType,
Version = _version,
Content = content
};
var messagebytes = SerializeEvent(integrationEvent);
EventEmulator eventEmulator = null;
_mockBus.Setup(x => x.Consume(_mockQueue.Object,
It.IsAny <Func <byte[], MessageProperties, MessageReceivedInfo, Task> >(),
It.IsAny <Action <IConsumerConfiguration> >()))
.Returns((IQueue queue, Func <byte[],
MessageProperties, MessageReceivedInfo, Task> func,
Action <IConsumerConfiguration> configure) =>
{
eventEmulator = new EventEmulator(func);
return(_consumerDisposable.Object);
});
DiscardEventException discardEventException = new DiscardEventException();
var mockSubscription = new Mock <ISubscription>();
mockSubscription.Setup(x => x.InvokeAsync(Encoding.UTF8.GetString(messagebytes)))
.Returns <string>(
(serilizedmessage) =>
{
return(Task.FromException <DiscardEventException>(discardEventException));
});
Dictionary <string, ISubscription> subscriptions = new Dictionary <string, ISubscription> {
{ "bookingcreated", mockSubscription.Object }
};
_subsciptionSelector.Setup(x => x.Select(subscriptions, "bookingcreated"))
.Returns((IDictionary <string, ISubscription> subs, string eventType) => mockSubscription.Object);
MessageProperties messageProperties = new MessageProperties();
MessageExecutionContext actualMessageExecutionContext = null;
_errorHandlingStrategy.Setup(x => x.HandleErrorAsync(It.IsAny <MessageExecutionContext>()))
.Returns <MessageExecutionContext>(
(messageExecutionContext) =>
{
actualMessageExecutionContext = messageExecutionContext;
return(Task.FromException <DiscardEventException>(messageExecutionContext.Exception));
});
_easyNetQSubscriber.Subscribe(subscriptions);
//Act
await eventEmulator.Execute(messagebytes, messageProperties, null);
//check
eventEmulator.RaisedException.GetType().Should().Be(typeof(DiscardEventException));
_successHandlingStrategy.Verify(x => x.HandleSuccessAsync(It.IsAny <IntegrationEvent>()), Times.Never);
_errorHandlingStrategy.Verify(x => x.HandleErrorAsync(It.IsAny <MessageExecutionContext>()), Times.Once);
actualMessageExecutionContext.BodyBytes.ShouldBeEquivalentTo(messagebytes);
actualMessageExecutionContext.Exception.Should().Be(eventEmulator.RaisedException);
actualMessageExecutionContext.MessageProperties.Should().Be(messageProperties);
actualMessageExecutionContext.IntergrationEventParsingResult.ShouldBeEquivalentTo(DefaultIntergrationEventParser.Parse(messagebytes));
actualMessageExecutionContext.SerializedMessage.Should().Be(Encoding.UTF8.GetString(messagebytes));
actualMessageExecutionContext.DeadLetterIntegrationEvent.Should().BeNull();
actualMessageExecutionContext.Subscription.Should().Be(mockSubscription.Object);
}
public async void Subscribe_ChangeTheSubscriber_AppropriateConsumerShouldBeUsed()
{
//prepare
var content = new BookingCreated()
{
BookingName = _bookingName
};
IntegrationEvent <BookingCreated> integrationEvent =
new IntegrationEvent <BookingCreated>()
{
CorrelationId = Guid.NewGuid(),
EventCreationDate = DateTime.UtcNow,
EventId = Guid.NewGuid(),
EventType = _bookingEventType,
Version = _version,
Content = content
};
var messagebytes = SerializeEvent(integrationEvent);
EventEmulator eventEmulator = null;
_mockBus.Setup(x => x.Consume(_mockQueue.Object,
It.IsAny <Func <byte[], MessageProperties, MessageReceivedInfo, Task> >(),
It.IsAny <Action <IConsumerConfiguration> >()))
.Returns((IQueue queue, Func <byte[],
MessageProperties, MessageReceivedInfo, Task> func,
Action <IConsumerConfiguration> configure) =>
{
eventEmulator = new EventEmulator(func);
return(_consumerDisposable.Object);
});
var mockSubscription = new Mock <ISubscription>();
mockSubscription.Setup(x => x.InvokeAsync(Encoding.UTF8.GetString(messagebytes))).Returns(Task.FromResult(true));
Dictionary <string, ISubscription> subscriptions = new Dictionary <string, ISubscription> {
{ "bookingcreated", mockSubscription.Object }
};
_subsciptionSelector.Setup(x => x.Select(subscriptions, "bookingcreated"))
.Returns((IDictionary <string, ISubscription> subs, string eventType) => mockSubscription.Object);
_easyNetQSubscriber.Subscribe(subscriptions);
MessageProperties messageProperties = new MessageProperties();
await eventEmulator.Execute(messagebytes, messageProperties, null);
//Act
_easyNetQSubscriber.UnSubscribe();
var mockSubscription2 = new Mock <ISubscription>();
mockSubscription2.Setup(x => x.InvokeAsync(Encoding.UTF8.GetString(messagebytes))).Returns(Task.FromResult(true));
Dictionary <string, ISubscription> subscriptions2 = new Dictionary <string, ISubscription> {
{ "bookingcreated", mockSubscription2.Object }
};
_subsciptionSelector.Setup(x => x.Select(subscriptions2, "bookingcreated"))
.Returns((IDictionary <string, ISubscription> subs, string eventType) => mockSubscription2.Object);
_easyNetQSubscriber.Subscribe(subscriptions2);
await eventEmulator.Execute(messagebytes, messageProperties, null);
//check
eventEmulator.RaisedException.Should().BeNull();
mockSubscription.Verify(x => x.InvokeAsync(Encoding.UTF8.GetString(messagebytes)), Times.Once);
mockSubscription2.Verify(x => x.InvokeAsync(Encoding.UTF8.GetString(messagebytes)), Times.Once);
}
public async void HandleErrorAsync_ExceptionThatShouldBeCatchedANDAttemptNumberN_MessageShouldBeSentToAppropriateRetryQueue(bool explicitAcknowledgments,
int numberOfAttempt, bool storedeadletter)
{
//prepare
MessageProperties messageProperties = new MessageProperties();
if (numberOfAttempt != 0)
{
messageProperties.Headers = new Dictionary <string, object>();
messageProperties.Headers["retrycount"] = numberOfAttempt;
}
BookingCreated bookingCreated = new BookingCreated {
BookingName = "test"
};
string bookingCreatedEventType = "bookingCreatedEventType";
IntegrationEvent <BookingCreated> integrationEvent = new IntegrationEvent <BookingCreated>(bookingCreated, bookingCreatedEventType);
var message = JsonConvert.SerializeObject(integrationEvent);
var body = Encoding.UTF8.GetBytes(message);
Exception exception = new IOException("IOException");
ExecutionHandlingStrategy executionHandlingStrategy = new ExecutionHandlingStrategy(_subscriberName, _easyNetQPublisher,
_maxRetry, _modelNamingConventionController.Object, explicitAcknowledgments, _publisher.Object, storedeadletter);
string retryRoutingKey = string.Concat("retry.", numberOfAttempt + 1, ".", _subscriberName);
_modelNamingConventionController.Setup(x => x.GetRetryRoutingKey(_subscriberName, numberOfAttempt + 1))
.Returns((string subscribername, int retryindex) => retryRoutingKey);
string actualRouting = string.Empty;
MessageProperties actualProperties = null;
byte[] actualMsg = null;
IExchange actualExchange = null;
_mockBus.Setup(x => x.ExchangeDeclareAsync(_exchangeName, ExchangeType.Topic,
false, true, false, false, null, false))
.Returns((string exchangename, string exchanegType,
bool passive, bool durable, bool autoDelete, bool internalflag,
string alternateExchange, bool delayed) =>
{ return(Task.FromResult(_mockExchange.Object)); });
_mockBus.Setup(x => x.PublishAsync(It.IsAny <IExchange>(), It.IsAny <string>(), false, It.IsAny <MessageProperties>(), It.IsAny <byte[]>()))
.Returns((IExchange exchange, string routing, bool mandatory,
MessageProperties properties, byte[] msg) =>
{ return(Task.FromResult(true)); })
.Callback <IExchange, string, bool, MessageProperties, byte[]>(
(exchange, routing, mandatory, properties, msg) =>
{
actualExchange = exchange;
actualRouting = routing;
actualProperties = properties;
actualMsg = msg;
});
//act
Mock <ISubscription> mockedSubscription = new Mock <ISubscription>();
MessageExecutionContext messageExecutionContext =
new MessageExecutionContext(body, messageProperties, null)
{
Exception = exception,
SerializedMessage = message,
Subscription = mockedSubscription.Object,
IntergrationEventParsingResult = null,
DeadLetterIntegrationEvent = null
};
await executionHandlingStrategy.HandleErrorAsync(messageExecutionContext);
//check
actualRouting.Should().Be(retryRoutingKey);
actualMsg.Should().BeEquivalentTo(body);
(int.Parse(actualProperties.Headers["retrycount"].ToString())).Should().Be(numberOfAttempt + 1);
actualExchange.Should().Be(_mockExchange.Object);
_publisher.Verify(m => m.PublishEventAsync(It.IsAny <IntegrationEvent <string> >(), It.IsAny <string>(), It.IsAny <bool>()), Times.Never);
mockedSubscription.Verify(s => s.NotifyAboutDeadLetterAsync(It.IsAny <string>(), It.IsAny <Exception>()), Times.Never);
mockedSubscription.Verify(s => s.InvokeAsync(It.IsAny <string>()), Times.Never);
}
public async void HandleErrorAsync_ExceptionThatShouldBeCatchedANDLastAttempt_MessageShouldBeSentToAppropriateDeadLetterQueue(bool explicitAcknowledgments,
bool storedeadletter)
{
//prepare
MessageProperties messageProperties = new MessageProperties();
messageProperties.Headers = new Dictionary <string, object>();
messageProperties.Headers["retrycount"] = _maxRetry;
BookingCreated bookingCreated = new BookingCreated {
BookingName = "test"
};
string bookingCreatedEventType = "bookingCreatedEventType";
IntegrationEvent <BookingCreated> integrationEvent = new IntegrationEvent <BookingCreated>(bookingCreated, bookingCreatedEventType);
var message = JsonConvert.SerializeObject(integrationEvent);
var body = Encoding.UTF8.GetBytes(message);
Exception exception = new IOException("IOException");
ExecutionHandlingStrategy executionHandlingStrategy = new ExecutionHandlingStrategy(_subscriberName, _easyNetQPublisher,
_maxRetry, _modelNamingConventionController.Object, explicitAcknowledgments, _publisher.Object, storedeadletter);
_mockBus.Setup(x => x.ExchangeDeclareAsync(_exchangeName, ExchangeType.Topic,
false, true, false, false, null, false))
.Returns((string exchangename, string exchanegType,
bool passive, bool durable, bool autoDelete, bool internalflag,
string alternateExchange, bool delayed) =>
{ return(Task.FromResult(_mockExchange.Object)); });
_modelNamingConventionController.Setup(x => x.GetDeadLetterQueueMessageEventType(bookingCreatedEventType))
.Returns((string eventType) => string.Concat("deadletter.", eventType));
_modelNamingConventionController.Setup(x => x.GetDeadLetterQueueRoutingKey(_subscriberName))
.Returns((string subscriberName) => string.Concat("deadletter.", subscriberName));
//Main flow
string actualRouting = string.Empty;
MessageProperties actualProperties = null;
byte[] actualMsg = null;
IExchange actualExchange = null;
_mockBus.Setup(x => x.PublishAsync(It.IsAny <IExchange>(), It.IsAny <string>(), false, It.IsAny <MessageProperties>(), It.IsAny <byte[]>()))
.Returns((IExchange exchange, string routing, bool mandatory,
MessageProperties properties, byte[] msg) =>
{ return(Task.FromResult(true)); })
.Callback <IExchange, string, bool, MessageProperties, byte[]>(
(exchange, routing, mandatory, properties, msg) =>
{
actualExchange = exchange;
actualRouting = routing;
actualProperties = properties;
actualMsg = msg;
});
//END Main flow
//Tracking flow
IntegrationEvent <DeadLetterEventDescriptor <JObject> > actualTrackingMessage = null;
string actualTrackingMessageRouting = string.Empty;
bool actualPersistantMode = false;
_publisher.Setup(x => x.PublishEventAsync(It.IsAny <IntegrationEvent <DeadLetterEventDescriptor <JObject> > >(), It.IsAny <string>(), true))
.Returns(Task.FromResult(true))
.Callback <IntegrationEvent <DeadLetterEventDescriptor <JObject> >, string, bool>(
(trackingMessage, routing, persistantMode) =>
{
actualTrackingMessage = trackingMessage;
actualTrackingMessageRouting = routing;
actualPersistantMode = persistantMode;
});
//END Tracking flow
//act
Mock <ISubscription> mockedSubscription = new Mock <ISubscription>();
MessageExecutionContext messageExecutionContext =
new MessageExecutionContext(body, messageProperties, null)
{
Exception = exception,
SerializedMessage = message,
Subscription = mockedSubscription.Object,
IntergrationEventParsingResult = null,
DeadLetterIntegrationEvent = null
};
await executionHandlingStrategy.HandleErrorAsync(messageExecutionContext);
//check
var expectedDeadLetterEventDescriptor =
new DeadLetterEventDescriptor <JObject>
{
CountOfAttempts = _maxRetry,
LastAttemptError = exception.ToString(),
Original = JsonConvert.DeserializeObject <IntegrationEvent <JObject> >(message)
};
var expectedDeadletterqueueevent = new IntegrationEvent <DeadLetterEventDescriptor <JObject> >
{
CorrelationId = integrationEvent.CorrelationId,
EventType = string.Concat("deadletter.", bookingCreatedEventType),
Content = expectedDeadLetterEventDescriptor
};
//Check publishing dead letter message
if (storedeadletter)
{
var actuaDeadLetterQueuelSerializedMessage = Encoding.UTF8.GetString(actualMsg);
IntegrationEvent <DeadLetterEventDescriptor <JObject> > actualDeadLetterQueueIntegrationEvent =
JsonConvert.DeserializeObject <IntegrationEvent <DeadLetterEventDescriptor <JObject> > >(actuaDeadLetterQueuelSerializedMessage);
actualDeadLetterQueueIntegrationEvent.CorrelationId.Should().Be(expectedDeadletterqueueevent.CorrelationId);
actualDeadLetterQueueIntegrationEvent.Content.ShouldBeEquivalentTo(expectedDeadletterqueueevent.Content);
actualDeadLetterQueueIntegrationEvent.EventType.Should()
.Be(expectedDeadletterqueueevent.EventType);
actualRouting.Should().Be(string.Concat("deadletter.", _subscriberName));
actualExchange.Should().Be(_mockExchange.Object);
actualProperties.DeliveryMode.Should().Be(2);//persistant delivery mode
}
else
{
_mockBus.Verify(v => v.PublishAsync(It.IsAny <IExchange>(), It.IsAny <string>(), false, It.IsAny <MessageProperties>(), It.IsAny <byte[]>()), Times.Never);
}
//Check Subsciption notification
mockedSubscription.Verify(s => s.NotifyAboutDeadLetterAsync(messageExecutionContext.SerializedMessage, messageExecutionContext.Exception), Times.Once);
mockedSubscription.Verify(s => s.InvokeAsync(It.IsAny <string>()), Times.Never);
//Check Tracking flow
if (explicitAcknowledgments == false)
{
//check, that No deadletter message for tracking is sent.
_publisher.Verify(v => v.PublishEventAsync(It.IsAny <IntegrationEvent <DeadLetterEventDescriptor <JObject> > >(), It.IsAny <string>(), It.IsAny <bool>()), Times.Never);
}
else
{
//check, that deadltter message for tracking is equal to the one sent to the deadletter queue. Routing key must be the same
_publisher.Verify(v => v.PublishEventAsync(It.IsAny <IntegrationEvent <DeadLetterEventDescriptor <JObject> > >(), It.IsAny <string>(), It.IsAny <bool>()), Times.Once);
actualTrackingMessageRouting.Should().Be(string.Concat("deadletter.", _subscriberName));
actualPersistantMode.Should().BeTrue();
actualTrackingMessage.CorrelationId.Should().Be(expectedDeadletterqueueevent.CorrelationId);
actualTrackingMessage.Content.ShouldBeEquivalentTo(expectedDeadletterqueueevent.Content);
actualTrackingMessage.EventType.Should()
.Be(expectedDeadletterqueueevent.EventType);
}
}
public void Apply(BookingCreated e)
{
created = true;
}
