public static IEnumerable <object[]> SubscribersToThisEvent()
{
var fakeSubscriber1 = FakeSubscriber <FakeEvent1>();
var fakeSubscriber2 = FakeSubscriber <FakeEvent2>();
var fakeSubscriber3 = FakeSubscriber <FakeEvent3>();
var fakeSubscriber4 = FakeSubscriber <FakeEvent3>();
var publisher = new DomainEventPublisher();
publisher.Subscribe(fakeSubscriber1);
publisher.Subscribe(fakeSubscriber2);
publisher.Subscribe(fakeSubscriber3);
publisher.Subscribe(fakeSubscriber4);
yield return(new object[]
{
publisher,
new FakeEvent1(),
new IDomainEventHandler[] { fakeSubscriber1 }
});
yield return(new object[]
{
publisher,
new FakeEvent2(),
new IDomainEventHandler[] { fakeSubscriber1, fakeSubscriber2 }
});
yield return(new object[]
{
publisher,
new FakeEvent3(),
new IDomainEventHandler[] { fakeSubscriber3, fakeSubscriber4 }
});
}
public void Publish_WhenCalled_DoesNotCallUnSubscribersToThisEvent(DomainEventPublisher publisher,
IDomainEvent @event,
IEnumerable <IDomainEventHandler> unSubscribersToThisEvent)
{
// Arrange
unSubscribersToThisEvent.ForEach(s => s.ClearReceivedCalls());
// Act
publisher.Publish(@event);
// Assert
Assert.All(unSubscribersToThisEvent, s => s.DidNotReceive().Handle(Arg.Any <IDomainEvent>()));
}
public void Publish_WhenCalled_DoesNotCallSubscribersToOtherEvents(DomainEventPublisher publisher,
IDomainEvent @event,
IEnumerable <IDomainEventHandler> subscribersToOtherEvents)
{
// Arrange
subscribersToOtherEvents.ForEach(s => s.ClearReceivedCalls());
// Act
publisher.Publish(@event);
// Assert
Assert.All(subscribersToOtherEvents, s => s.DidNotReceive().Handle(Arg.Any <IDomainEvent>()));
}
public void Publish_WhenCalled_CallsSubscribersToThisEvent(DomainEventPublisher publisher,
IDomainEvent @event,
IEnumerable <IDomainEventHandler> subscribersToThisEvent)
{
// Arrange
subscribersToThisEvent.ForEach(s => s.ClearReceivedCalls());
// Act
publisher.Publish(@event);
// Assert
Assert.All(subscribersToThisEvent, s => s.Received(1).Handle(@event));
}