public void CanSubscribeMultipleTargets()
{
var bus = new DirectDispatchMessageBus();
var target1 = new SingleSubscriber();
var target2 = new SingleSubscriber();
bus.Subscribe(target1);
bus.Subscribe(target2);
var message = new TestMessage();
bus.Publish(message);
Assert.That(target1.LastMessage, Is.SameAs(message));
Assert.That(target2.LastMessage, Is.SameAs(message));
}
public void CollectedTargetIsUnsubscribed()
{
var bus = new DirectDispatchMessageBus();
bus.Subscribe(new SingleSubscriber());
GC.Collect();
var message = new TestMessage();
bus.Publish(message);
Assert.That(message.LastReceiver, Is.Null);
}
public void CanUnsubscribe()
{
var bus = new DirectDispatchMessageBus();
var target = new SingleSubscriber();
bus.Subscribe(target);
bus.Unsubscribe(target);
var message = new TestMessage();
bus.Publish(message);
Assert.That(message.LastReceiver, Is.Null);
}
public void SameTargetCanOnlySubscribeOnce()
{
var bus = new DirectDispatchMessageBus();
var target = new SingleSubscriber();
bus.Subscribe(target);
bus.Subscribe(target);
bus.Publish<TestMessage>();
Assert.That(target.ReceivedMessages, Is.EqualTo(1));
}
public void CanSubscribeWithoutHandlerMethod()
{
var bus = new DirectDispatchMessageBus();
Assert.DoesNotThrow(() => bus.Subscribe(new string('s', 10)));
}
public void MessagesAreHandledInPolymorphicFashion()
{
var bus = new DirectDispatchMessageBus();
var target = new PolySubscriber();
bus.Subscribe(target);
bus.Publish<DerivedTestMessage>();
Assert.That(target.MessageHandleCount, Is.EqualTo(2));
Assert.That(target.HandledMessageTypes.Contains(typeof(TestMessage)));
Assert.That(target.HandledMessageTypes.Contains(typeof(DerivedTestMessage)));
}
public void CanSubscribe()
{
var bus = new DirectDispatchMessageBus();
Assert.DoesNotThrow(() => bus.Subscribe(new SingleSubscriber()));
}