public void ActorSubscriberSpec_should_terminate_after_cancel()
{
var actorRef = Source.From(Enumerable.Range(1, 5))
.RunWith(Sink.ActorSubscriber <int>(ManualSubscriber.Props(TestActor)), Sys.Materializer());
Watch(actorRef);
actorRef.Tell("requestAndCancel");
ExpectTerminated(actorRef);
}
public void ActorSubscriber_should_signal_error()
{
var e = new Exception("simulated");
var actorRef = Source.FromEnumerator <int>(() => { throw e; })
.RunWith(Sink.ActorSubscriber <int>(ManualSubscriber.Props(TestActor)), Sys.Materializer());
actorRef.Tell("ready");
ExpectMsg <OnError>().Cause.Should().Be(e);
}
public void ActorSubscriberSpec_should_not_deliver_more_after_cancel()
{
var actorRef = Source.From(Enumerable.Range(1, 5))
.RunWith(Sink.ActorSubscriber <int>(ManualSubscriber.Props(TestActor)), Sys.Materializer());
actorRef.Tell("ready");
ExpectMsg <OnNext>().Element.Should().Be(1);
ExpectMsg <OnNext>().Element.Should().Be(2);
actorRef.Tell("requestAndCancel");
ExpectNoMsg(200);
}
public void ActorSubscriber_should_receive_requested_elements()
{
var actorRef = Source.From(new[] { 1, 2, 3 })
.RunWith(Sink.ActorSubscriber <int>(ManualSubscriber.Props(TestActor)), Sys.Materializer());
ExpectNoMsg(200);
actorRef.Tell("ready"); //requesting 2
ExpectMsg <OnNext>().Element.Should().Be(1);
ExpectMsg <OnNext>().Element.Should().Be(2);
ExpectNoMsg(200);
actorRef.Tell("ready");
ExpectMsg <OnNext>().Element.Should().Be(3);
ExpectMsg <OnComplete>();
}
public void ActorSubscriberSpec_should_remember_requested_after_restart()
{
// creating actor with default supervision, because stream supervisor default strategy is to
var actorRef = Sys.ActorOf(ManualSubscriber.Props(TestActor));
Source.From(Enumerable.Range(1, 7))
.RunWith(Sink.FromSubscriber(new ActorSubscriberImpl <int>(actorRef)), Sys.Materializer());
actorRef.Tell("ready");
ExpectMsg <OnNext>().Element.Should().Be(1);
ExpectMsg <OnNext>().Element.Should().Be(2);
ExpectNoMsg(200);
actorRef.Tell("boom");
actorRef.Tell("ready");
actorRef.Tell("ready");
actorRef.Tell("boom");
Enumerable.Range(3, 4).ForEach(n => ExpectMsg <OnNext>().Element.Should().Be(n));
ExpectNoMsg(200);
actorRef.Tell("ready");
ExpectMsg <OnNext>().Element.Should().Be(7);
ExpectMsg <OnComplete>();
}
