public void Subscribe_will_not_add_same_object_twice()
{
var assignee = new SimpleSubscriber();
var handler = new TestHandler();
assignee.Subscribe(handler);
assignee.Subscribe(handler);
IEnumerable handlers = assignee.ResolveHandlersFor(typeof(TestMessage));
Assert.That(handlers, Has.Member(handler));
//Assert.That(handlers.Count(), Is.EqualTo(1));
}
public void Subscribe_adds_it_to_the_source_so_it_can_be_resolved()
{
var assignee = new SimpleSubscriber();
var handler = new TestHandler();
assignee.Subscribe(handler);
var handlers = assignee.ResolveHandlersFor(typeof(TestMessage));
Assert.That(handlers, Has.Member(handler));
}
public void Should_no_throw_if_no_dispatcher_found_and_set_to_ignore()
{
var assignee = new SimpleSubscriber();
var handler = new TestHandler();
var message = new TestMessage();
var publisher = new Publisher(new PublisherSettings{IgnoreNoDispatcher = true},assignee, new[] { new SimpleDispatcher(new Rule(x => false)) });
assignee.Subscribe(handler);
Should.NotThrow(() => publisher.Publish(message));
}
public void Unsubscribe_removes_it_from_source_so_it_could_be_resolved()
{
var assignee = new SimpleSubscriber();
var handler = new TestHandler();
assignee.Subscribe(handler);
assignee.Unsubscribe(handler);
var handlers = assignee.ResolveHandlersFor(typeof(TestMessage));
Assert.That(handlers, Has.No.Member(handler));
}
public void Should_not_throw_if_multiple_dispather_can_dispatch_a_message_and_set_to_ignore()
{
var assignee = new SimpleSubscriber();
var dispatcher = new SimpleDispatcher();
var handler = new TestHandler();
var message = new TestMessage();
var publisher = new Publisher(new PublisherSettings{IgnoreMultipleDispatcher = true}, assignee, new[] { dispatcher, dispatcher });
assignee.Subscribe(handler);
Should.NotThrow(() => publisher.Publish(message));
}
public void Should_not_fail_if_onle_one_dispatcher_can_dispath_message()
{
var assignee = new SimpleSubscriber();
var dispatcher = new SimpleDispatcher();
var handler = new TestHandler();
var message = new TestMessage();
var publisher = new Publisher(assignee, new[] { dispatcher, new SimpleDispatcher(new Rule(x => false)) });
assignee.Subscribe(handler);
Should.NotThrow(() => publisher.Publish(message));
}
public void Returns_same_object_for_different_handlers()
{
var assignee = new SimpleSubscriber();
var handler = new MultiHandler();
assignee.Subscribe(handler);
var messageHandlers = assignee.ResolveHandlersFor(typeof(TestMessage));
var anotherMessageHandlers = assignee.ResolveHandlersFor(typeof(AnotherMessage));
CollectionAssert.AreEqual(messageHandlers, anotherMessageHandlers);
}
public void Publish_will_send_the_message_to_listner()
{
var assignee = new SimpleSubscriber();
var dispatcher = new SimpleDispatcher();
var handler = new TestHandler();
var message = new TestMessage();
var publisher = new Publisher(assignee, new[] {dispatcher});
assignee.Subscribe(handler);
publisher.Publish(message);
Assert.That(handler.TestMessage, Is.SameAs(message));
}
public void Should_throw_if_multiple_dispather_can_dispatch_a_message()
{
var assignee = new SimpleSubscriber();
var dispatcher = new SimpleDispatcher();
var handler = new TestHandler();
var message = new TestMessage();
var publisher = new Publisher(assignee, new[] { dispatcher, dispatcher });
assignee.Subscribe(handler);
Should.Throw<InvalidOperationException>(() => publisher.Publish(message));
}
public void Should_throw_if_no_dispatcher_found()
{
var assignee = new SimpleSubscriber();
var handler = new TestHandler();
var message = new TestMessage();
var publisher = new Publisher(assignee, new[] { new SimpleDispatcher(new Rule(x => false)) });
assignee.Subscribe(handler);
Should.Throw<InvalidOperationException>(() => publisher.Publish(message));
}