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));
}
public async Task ShutdownActionIsCalled()
{
// Arrange
bool didCallShutdown = false;
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();
// Act
await timer.ExecuteAsync(ct =>
{
source.Cancel();
}, source.Token, () => didCallShutdown=true);
// Assert
Assert.IsTrue(didCallShutdown);
}
public async Task DelayBeforeFirstExecute()
{
// Arrange
Mock<IAsynchronousDelay> delay = new Mock<IAsynchronousDelay>();
Mock<ITimerThreadPoolExecuter> executer = new Mock<ITimerThreadPoolExecuter>();
AsynchronousRegularTimer timer = new AsynchronousRegularTimer(executer.Object, delay.Object, TimeSpan.FromMilliseconds(PretendDelayInMilliseconds), true);
CancellationTokenSource source = new CancellationTokenSource();
delay.Setup(x => x.Delay(TimeSpan.FromMilliseconds(PretendDelayInMilliseconds), source.Token)).Callback(() =>
{
source.Cancel();
}).Returns(Task.FromResult(0));
// Act
await timer.ExecuteAsync(ct =>
{
}, source.Token);
// Assert
executer.Verify(x => x.Run(It.IsAny<Action>(), It.IsAny<CancellationToken>()), Times.Never);
delay.Verify(x => x.Delay(TimeSpan.FromMilliseconds(PretendDelayInMilliseconds), source.Token));
}
