public ChainSetup(
Func <Flow <TIn, TIn, NotUsed>, Flow <TIn, TOut, TMat> > stream,
ActorMaterializerSettings settings,
ActorMaterializer materializer,
Func <Source <TOut, NotUsed>, ActorMaterializer, IPublisher <TOut> > toPublisher,
TestKitBase system)
{
Settings = settings;
System = system;
Upstream = system.CreateManualPublisherProbe <TIn>();
Downstream = system.CreateSubscriberProbe <TOut>();
var s = Source.FromPublisher(Upstream).Via(stream(Flow.Identity <TIn>().Select(x => x).Named("buh")));
Publisher = toPublisher(s, materializer);
UpstreamSubscription = Upstream.ExpectSubscription();
Publisher.Subscribe(Downstream);
DownstreamSubscription = Downstream.ExpectSubscription();
}
public override object Create(MaterializationContext context, out TestSubscriber.Probe <T> materializer)
{
materializer = _testKit.CreateSubscriberProbe <T>();
return(materializer);
}