static async Task Main(string[] args)
{
var busContext = new RabbitMQBusContextBuilder()
.WithExchange("Chess.Exchange")
.CreateContext();
var publisher = new EventPublisher <IConnection>(busContext);
var topicfilters = new List <string> {
"#"
};
using var receiver = busContext.CreateMessageReceiver("ChessApi.ConsoleClient", topicfilters);
receiver.StartReceivingMessages();
receiver.StartHandlingMessages(MessageReceived);
Console.WriteLine($"Listening to all messages on exchange '{busContext.ExchangeName}'...");
while (true)
{
Console.WriteLine("Send a GameFormed-event by entering the GameId of a new game.");
Console.Write("GameId:");
if (int.TryParse(Console.ReadLine(), out int gameId))
{
var gameFormed = new GameFormed {
GameId = gameId
};
await publisher.PublishEventAsync(gameFormed);
}
}
}
public async Task EventIsSendToMessageSender()
{
var senderMock = new Mock <IMessageSender>(MockBehavior.Strict);
senderMock.Setup(r => r.SendMessageAsync(It.IsAny <EventMessage>()))
.Returns(EmptyTask);
senderMock.Setup(r => r.Dispose());
var contextMock = new Mock <IBusContext <string> >(MockBehavior.Strict);
contextMock.Setup(bc => bc.CreateMessageSender())
.Returns(senderMock.Object);
var target = new EventPublisher <string>(contextMock.Object);
var evt = new SomeEvent {
SomeNumber = 5
};
await target.PublishEventAsync(evt);
senderMock.Verify(r => r.SendMessageAsync(It.Is <EventMessage>(em =>
em.Topic == "DDD.Core.Application.Test.SomeEvent" &&
em.EventType == "SomeEvent" &&
//Encoding.Unicode.GetString(em.Body) == "{\r\n \"SomeNumber\": 5\r\n}"
Encoding.Unicode.GetString(em.Body).Contains("\"SomeNumber\"") &&
Encoding.Unicode.GetString(em.Body).Contains("5")
)));
}
public void EventPublisher_PublishEventAsync_ThrowsNotFoundExceptionIfEventIsNotFound()
{
// arrange
ResetMocks();
_repo.Setup(x => x.GetApplicationEvent(It.IsAny <long>(), It.IsAny <int>())).Returns((ApplicationEvent)null);
var target = new EventPublisher(_repo.Object, _producer.Object);
//act & assert
Assert.ThrowsAsync <NotFoundException>(async() => await target.PublishEventAsync <object>(Guid.NewGuid(), new Identity(), 1, new object()));
}
public async Task InternalDomainEventIsNotSendToMessageSender()
{
var senderMock = new Mock <IMessageSender>(MockBehavior.Strict);
senderMock.Setup(r => r.SendMessageAsync(It.IsAny <EventMessage>()))
.Returns(EmptyTask);
senderMock.Setup(r => r.Dispose());
var contextMock = new Mock <IBusContext <string> >(MockBehavior.Strict);
contextMock.Setup(bc => bc.CreateMessageSender())
.Returns(senderMock.Object);
var target = new EventPublisher <string>(contextMock.Object);
var evt = new SomeInternalEvent {
SomeNumber = 42
};
await target.PublishEventAsync(evt);
senderMock.Verify(r => r.SendMessageAsync(It.IsAny <EventMessage>()), Times.Never);
}
public async void EventPublisher_PublishEventAsync_CallsProducerWithTopicAndData()
{
// arrange
ResetMocks();
int eventId = 1;
ApplicationEvent applicationEvent = new ApplicationEvent(1, "Application", eventId, "Topic");
var data = new object();
_repo.Setup(x => x.GetApplicationEvent(It.IsAny <long>(), It.IsAny <int>())).Returns(applicationEvent);
var target = new EventPublisher(_repo.Object, _producer.Object);
//act
var result = await target.PublishEventAsync <object>(Guid.NewGuid(), new Identity(), eventId, data);
// assert
result.Match(
err => { },
x =>
{
_producer.Verify(s => s.SendEvent(applicationEvent, JsonConvert.SerializeObject(data)), Times.Once);
}
);
}