Akka.Streams.Tests.Implementation.TimeoutsSpec.CompletionTimeout_must_fail_if_not_completed_until_timeout C# (CSharp) Метод

        public void CompletionTimeout_must_fail_if_not_completed_until_timeout()
        {
            this.AssertAllStagesStopped(() =>
            {
                var upstreamProbe = TestPublisher.CreateProbe<int>(this);
                var downstreamProbe = this.CreateProbe<int>();

                Source.FromPublisher<int>(upstreamProbe)
                    .CompletionTimeout(TimeSpan.FromSeconds(2))
                    .RunWith(Sink.FromSubscriber(downstreamProbe), Materializer);


                upstreamProbe.SendNext(1);
                downstreamProbe.RequestNext(1);
                downstreamProbe.ExpectNoMsg(TimeSpan.FromMilliseconds(500)); // No timeout yet

                upstreamProbe.SendNext(2);
                downstreamProbe.RequestNext(2);
                downstreamProbe.ExpectNoMsg(TimeSpan.FromMilliseconds(500)); // No timeout yet

                var ex = downstreamProbe.ExpectError();
                ex.Message.Should().Be($"The stream has not been completed in {TimeSpan.FromSeconds(2)}.");
            }, Materializer);
        }