public void MultipleSubscriptionsPublishTest()
{
var handler1 = Substitute.For <IHandle <TestMessage> >();
var handler2 = Substitute.For <IHandle <TestMessage> >();
var pubSub = new TopicBasedPubSub();
pubSub.SubscribeByType(handler1);
pubSub.SubscribeByType(handler2);
pubSub.Publish(new TestMessage());
handler1.Received().Handle(Arg.Any <TestMessage>());
handler2.Received().Handle(Arg.Any <TestMessage>());
}
public void SubscribeWhenPublishingDoesntThrowTest()
{
var handler1 = Substitute.For <IHandle <TestMessage> >();
var handler2 = Substitute.For <IHandle <TestMessage> >();
var pubSub = new TopicBasedPubSub();
handler1
.When(x => x.Handle(Arg.Any <TestMessage>()))
.Do(callInfo =>
{
Assert.DoesNotThrow(() => pubSub.SubscribeByType(handler2));
});
pubSub.SubscribeByType(handler1);
pubSub.Publish(new TestMessage());
handler2.DidNotReceive().Handle(Arg.Any <TestMessage>());
}
public void SingleSubscriptionPublishTest()
{
var handler = Substitute.For <IHandle <TestMessage> >();
var pubSub = new TopicBasedPubSub();
pubSub.SubscribeByType(handler);
pubSub.Publish(new TestMessage());
pubSub.Publish(new AnotherTestMessage());
handler.Received().Handle(Arg.Any <TestMessage>());
}
public void UnsubscribeTest()
{
var handler = Substitute.For <IHandle <TestMessage> >();
var pubSub = new TopicBasedPubSub();
pubSub.SubscribeByType(handler);
pubSub.UnsubscribeByType(handler);
pubSub.Publish(new TestMessage());
handler.DidNotReceive().Handle(Arg.Any <TestMessage>());
}
