public void Subscribed_event_handler_should_receive_published_event_of_same_type()
{
var eventBroker = GetEventBroker();
var eventHandler = Substitute.For <IEventHandler <EventA> >();
eventBroker.SubscribeHandlerInstance(eventHandler);
var eventA = new EventA(Guid.NewGuid());
eventBroker.Publish(eventA);
eventHandler.Received(1).Handle(eventA);
}
public void Subscribing_same_event_handler_instance_multiple_times_shouldnt_result_in_multiple_handle_calls_to_the_same_instance()
{
var eventBroker = GetEventBroker();
var eventHandler = Substitute.For <IEventHandler <EventA> >();
eventBroker.SubscribeHandlerInstance(eventHandler);
eventBroker.SubscribeHandlerInstance(eventHandler);
var eventA = new EventA(Guid.NewGuid());
eventBroker.Publish(eventA);
eventHandler.Received(1).Handle(eventA);
}
public void Subscribed_event_handler_should_receive_published_event_of_same_type_with_type_registration()
{
var objectsCreator = ObjectsCreator.CreateNew(_substituteCreatorFunction);
var eventBroker = new SimpleInProcEventBroker(objectsCreator.InstanceCreatorFunction);
eventBroker.SubscribeHandlerType <IEventHandler <EventA> >();
var eventA = new EventA(Guid.NewGuid());
eventBroker.Publish(eventA);
objectsCreator.CreatedInstances.Should().HaveCount(1);
objectsCreator.CreatedInstances.Cast <IEventHandler <EventA> >().Single().Received(1).Handle(eventA);
}
public void Handler_that_handles_multiple_event_types_should_receive_all_supported_events_with_type_registration()
{
var objectsCreator = ObjectsCreator.CreateNew();
var eventBroker = new SimpleInProcEventBroker(objectsCreator.InstanceCreatorFunction);
eventBroker.SubscribeHandlerType <MultiEventHandler>();
var eventA = new EventA(Guid.NewGuid());
var eventB = new EventB(Guid.NewGuid());
eventBroker.Publish(eventA);
eventBroker.Publish(eventB);
objectsCreator.CreatedInstances.Should().HaveCount(2);
}
public void Handler_that_handles_multiple_event_types_should_receive_all_supported_events()
{
var eventBroker = GetEventBroker();
var eventHandler = Substitute.For <IEventHandler <EventA>, IEventHandler <EventB> >();
eventBroker.SubscribeHandlerInstance(eventHandler);
var eventA = new EventA(Guid.NewGuid());
var eventB = new EventB(Guid.NewGuid());
eventBroker.Publish(eventA);
eventBroker.Publish(eventB);
eventHandler.ReceivedWithAnyArgs(2);
eventHandler.Received(1).Handle(eventA);
((IEventHandler <EventB>)eventHandler).Received(1).Handle(eventB);
}
public void After_unsubscribing_events_shouldnt_be_passed_to_handler()
{
var eventBroker = GetEventBroker();
var eventHandler = Substitute.For <IEventHandler <EventA> >();
eventBroker.SubscribeHandlerInstance(eventHandler);
var eventA = new EventA(Guid.NewGuid());
eventBroker.Publish(eventA);
eventHandler.Received(1).Handle(eventA);
eventBroker.Publish(eventA);
eventHandler.Received(2).Handle(eventA);
eventBroker.UnsubscribeHandlerInstance(eventHandler);
eventBroker.Publish(eventA);
eventHandler.Received(2).Handle(eventA);
}
public void Handler_that_handles_base_event_should_receive_calls_with_derived_event_also() //This is currently implementation specific behavior
{
var eventBroker = GetEventBroker();
var eventHandlerForBaseEvent = Substitute.For <IEventHandler <BaseTestEvent> >();
eventBroker.SubscribeHandlerInstance(eventHandlerForBaseEvent);
var baseEvent = new BaseTestEvent(Guid.NewGuid());
var eventA = new EventA(Guid.NewGuid());
var eventB = new EventB(Guid.NewGuid());
eventBroker.Publish(baseEvent);
eventBroker.Publish(eventA);
eventBroker.Publish(eventB);
eventHandlerForBaseEvent.ReceivedWithAnyArgs(3).Handle(null);
eventHandlerForBaseEvent.Received(1).Handle(baseEvent);
eventHandlerForBaseEvent.Received(1).Handle(eventA);
eventHandlerForBaseEvent.Received(1).Handle(eventB);
}
public void All_subscribed_handlers_should_receive_appropriate_events_with_type_registration()
{
var objectsCreator = ObjectsCreator.CreateNew(_substituteCreatorFunction);
var eventBroker = new SimpleInProcEventBroker(objectsCreator.InstanceCreatorFunction);
eventBroker.SubscribeHandlerType <IEventHandler <EventA> >();
eventBroker.SubscribeHandlerType <IEventHandler <EventB> >();
var eventA = new EventA(Guid.NewGuid());
var eventA2 = new EventA(Guid.NewGuid());
var eventB = new EventB(Guid.NewGuid());
eventBroker.Publish(eventA);
eventBroker.Publish(eventA2);
eventBroker.Publish(eventB);
objectsCreator.CreatedInstances.Should().HaveCount(3);
((IEventHandler <EventA>)objectsCreator.CreatedInstances.First()).Received(1).Handle(eventA);
((IEventHandler <EventA>)objectsCreator.CreatedInstances.Skip(1).First()).Received(1).Handle(eventA2);
((IEventHandler <EventB>)objectsCreator.CreatedInstances.Skip(2).First()).Received(1).Handle(eventB);
}
public void All_subscribed_handlers_should_receive_appropriate_events()
{
var eventBroker = GetEventBroker();
var eventHandler1 = Substitute.For <IEventHandler <EventA> >();
var eventHandler2 = Substitute.For <IEventHandler <EventA> >();
var eventHandler3 = Substitute.For <IEventHandler <EventB> >();
eventBroker.SubscribeHandlerInstance(eventHandler1);
eventBroker.SubscribeHandlerInstance(eventHandler2);
eventBroker.SubscribeHandlerInstance(eventHandler3);
var eventA = new EventA(Guid.NewGuid());
var eventB = new EventB(Guid.NewGuid());
eventBroker.Publish(eventA);
eventBroker.Publish(eventB);
eventHandler1.Received().Handle(eventA);
eventHandler2.Received().Handle(eventA);
eventHandler3.Received().Handle(eventB);
}