AccidentalFish.ApplicationSupport.Core.Tests.Unit.Policies.Implementation.AsynchronousRegularTimerTests.IntervalAndActionIsTriggered C# (CSharp) Метод

        public async Task IntervalAndActionIsTriggered()
        {
            // Arrange
            Mock<IAsynchronousDelay> delay = new Mock<IAsynchronousDelay>();
            Mock<ITimerThreadPoolExecuter> executer = new Mock<ITimerThreadPoolExecuter>();
            executer.Setup(x => x.Run(It.IsAny<Action>(), It.IsAny<CancellationToken>())).Callback((Action a, CancellationToken c) =>
            {
                a();
            }).Returns(Task.FromResult(0));
            AsynchronousRegularTimer timer = new AsynchronousRegularTimer(executer.Object, delay.Object, TimeSpan.FromMilliseconds(PretendDelayInMilliseconds), false);
            CancellationTokenSource source = new CancellationTokenSource();
            int repeatCount = 0;
            
            // Act
            await timer.ExecuteAsync(ct =>
            {
                repeatCount++;
                source.Cancel();                
            }, source.Token);

            // Assert
            Assert.AreEqual(1, repeatCount);
            executer.Verify(x => x.Run(It.IsAny<Action>(), It.IsAny<CancellationToken>()));
            delay.Verify(x => x.Delay(TimeSpan.FromMilliseconds(PretendDelayInMilliseconds), source.Token));
        }