public void NoExceptionsWhenPublishingWithoutPublisherRegistrations()
{
var publisherFake = new FooPublisher();
var messageId = Guid.NewGuid();
var message = new FooHappens(messageId);
publisherFake.Publish(message);
}
public void EventHandlerIsCalledWhenItsSubscrivedAndTheEventIsPublished()
{
var messageId = Guid.NewGuid();
var message = new FooHappens(messageId);
var subscriber = Substitute.For<IEventSubscriber<FooHappens>>();
var publisher = new FooPublisher();
MessageBus.RegisterPublisher(publisher);
MessageBus.RegisterSubscriber(subscriber);
publisher.Publish(message);
subscriber.Received(1).Handle(message);
}
public void ThreeSubsDontHandleEventWhenSubsAreRegisteredThenSubsAreUnRegisteredThenPubIsRegistered()
{
var subscriberId1 = Guid.NewGuid();
var subscriberId2 = Guid.NewGuid();
var subscriberId3 = Guid.NewGuid();
var subscriberFake1 = Substitute.For<IEventSubscriber<FooHappens>>();
var subscriberFake2 = Substitute.For<IEventSubscriber<FooHappens>>();
var subscriberFake3 = Substitute.For<IEventSubscriber<FooHappens>>();
var publisherFake = new FooPublisher();
subscriberFake1.Id.Returns(subscriberId1);
subscriberFake2.Id.Returns(subscriberId2);
subscriberFake3.Id.Returns(subscriberId3);
var messageId = Guid.NewGuid();
var message = new FooHappens(messageId);
var bus = new SingleProcessMessageBus();
bus.RegisterSubscriber(subscriberFake1);
bus.RegisterSubscriber(subscriberFake2);
bus.RegisterSubscriber(subscriberFake3);
bus.UnRegisterSubscriber(subscriberFake1);
bus.UnRegisterSubscriber(subscriberFake2);
bus.UnRegisterSubscriber(subscriberFake3);
bus.RegisterPublisher(publisherFake);
publisherFake.Publish(message);
subscriberFake1.Received(0).Handle(message);
subscriberFake2.Received(0).Handle(message);
subscriberFake3.Received(0).Handle(message);
}
public void OneSubDoesntHandleEventWhenSubIsRegisteredThenSubIsUnRegisteredThenPubIsRegistered()
{
var messageId = Guid.NewGuid();
var subscriberId = Guid.NewGuid();
var subscriberFake = Substitute.For<IEventSubscriber<FooHappens>>();
var publisherFake = new FooPublisher();
subscriberFake.Id.Returns(subscriberId);
var bus = new SingleProcessMessageBus();
bus.RegisterSubscriber(subscriberFake);
bus.UnRegisterSubscriber(subscriberFake);
bus.RegisterPublisher(publisherFake);
var message = new FooHappens(messageId);
publisherFake.Publish(message);
subscriberFake.Received(0).Handle(message);
}
