public void CanCreateInstanceOfEventDispatcher()
{
Mock<IHandlerFactory> factoryMock = new Mock<IHandlerFactory>();
IEventDispatcher dispatcher = new EventDispatcher(factoryMock.Object);
Assert.IsNotNull(dispatcher);
}
public void DispatcherDoesNothingForInexistentHandlers()
{
Mock<IHandlerFactory> factory = new Mock<IHandlerFactory>();
factory.Setup(o => o.GetHandlersFor(It.IsAny<EventThatHappened>()))
.Returns(null as IEnumerable<dynamic>);
EventDispatcher dispatcher = new EventDispatcher(factory.Object);
dispatcher.DispatchEvent(new EventThatHappened());
}
public void DispatcherDispatchesEventsToHandlers()
{
Mock<IHandleEvent<EventThatHappened>> handler1 = new Mock<IHandleEvent<EventThatHappened>>();
handler1.Setup(o => o.Handle(It.IsAny<EventThatHappened>())).Verifiable();
Mock<IHandleEvent<EventThatHappened>> handler2 = new Mock<IHandleEvent<EventThatHappened>>();
handler2.Setup(o => o.Handle(It.IsAny<EventThatHappened>())).Verifiable();
Mock<IHandlerFactory> factory = new Mock<IHandlerFactory>();
factory.Setup(o => o.GetHandlersFor(It.IsAny<EventThatHappened>()))
.Returns(new List<dynamic>()
{
handler1.Object as dynamic,
handler2.Object as dynamic
});
EventDispatcher dispatcher = new EventDispatcher(factory.Object);
dispatcher.DispatchEvent(new EventThatHappened());
handler1.Verify(mock => mock.Handle(It.IsAny<EventThatHappened>()), Times.Once);
handler2.Verify(mock => mock.Handle(It.IsAny<EventThatHappened>()), Times.Once);
}
public void NullFactoryThrowsExceptionInConstructor()
{
IEventDispatcher dispatcher = new EventDispatcher(null);
}