Ejemplo n.º 1
0
        /// <summary>
        /// window function and scheduler for testing.
        /// </summary>
        /// <returns></returns>
        private static async Task test2()
        {
            var scheduler              = new TestScheduler();
            var bandStatus             = new BehaviorSubject <Status>(Status.Disconnected);
            var closingWindowCondition = bandStatus.Where(i => i != Status.Disconnected).DistinctUntilChanged();

            var openingWindowCondition = bandStatus.Where(i => i == Status.Disconnected).DistinctUntilChanged();

            var condition = bandStatus.Window(openingWindowCondition, _ => closingWindowCondition);

            var idx       = 0;
            var initialdt = scheduler.Now;

            var signalingSub = new Subject <Unit>();

            condition
            .ObserveOn(scheduler)
            .Subscribe(w =>
            {
                initialdt = scheduler.Now;
                Console.WriteLine($"Window {idx++} is here");
                w.Subscribe(_ => { }, () =>
                {
                    Console.WriteLine($">>>>> Window {idx} closing");
                    if (scheduler.Now - initialdt > TimeSpan.FromSeconds(3))
                    {
                        signalingSub.OnNext(Unit.Default);
                    }
                });
            });

            ///How to use DateTime with TestSchedular? : IScheduler.Now

            signalingSub.Subscribe(_ => Console.WriteLine(">>>>>>> valid disconnection happened <<<<<<<"));

            //behavior: when connected, and if there has been x amount of time in disconnection, tick.
            //Even though the tighter condition would be that
            //if more than x sec has passed in disconnected state, this subject should tick already.
            //It doesn't make sense with Disconnected since we're upgrading.
            //so this behavior is ok.
            Console.WriteLine("first disconnected to open the window");
            bandStatus.OnNext(Status.Disconnected);
            scheduler.AdvanceBy(TimeSpan.FromSeconds(4).Ticks);
            Console.WriteLine("4 sec delay in Disconnected state, then Connected, done. Now it's valid time.");
            bandStatus.OnNext(Status.Connected);
            Console.WriteLine("===============\nnow Connected");
            Console.WriteLine("rest 1 sec");
            scheduler.AdvanceBy(TimeSpan.FromSeconds(1).Ticks);

            bandStatus.OnNext(Status.Disconnected);
            scheduler.AdvanceBy(TimeSpan.FromSeconds(2).Ticks);
            bandStatus.OnNext(Status.Connected);
            Console.WriteLine("2 sec of disconnection happened. No tick should happen.");
        }