public void RunAsync_ActionSucceedsThirdTime_TaskDelayCalledTwoTimes()
{
using (ShimsContext.Create())
{
// Arrange
var taskDelayCallCount = 0;
ShimTask.DelayTimeSpanCancellationToken = (t, c) =>
{
taskDelayCallCount += 1;
return(Task.CompletedTask);
};
var callCount = 0;
var retry = new RetryImpl((() =>
{
callCount += 1;
if (callCount == 3)
{
return; // success
}
Throws();
}));
// Act
retry.RunAsync().Wait();
// Assert
Assert.AreEqual(2, taskDelayCallCount);
}
}
public void RunAsync_RetryStrategyProvidesNegativeTimeSpan_ThrowsException()
{
// Arrange
var retry = new RetryImpl((() => Throws()));
retry.Using(new ReturnNegativeTimeSpanRetryStrategy());
// Act
retry.RunAsync().Wait();
// Assert
// Expected exception
}
public void RunAsync_TryThrows_BehaviorOnExceptionIsCalled()
{
// Arrange
var mockedExceptionBehavior = new Mock <IExceptionBehavior>();
var retry = new RetryImpl(() =>
{
Throws();
}, mockedExceptionBehavior.Object, doNotWaitHandler);
retry.MaximumNumberOfTries(1);
// Act
retry.RunAsync().Wait();
// Assert
mockedExceptionBehavior.Verify(behavior => behavior.OnException(It.IsAny <Exception>()), Times.Once);
}
public void RunAsync_ActionSucceedsThirdTime_TaskDelayCalledTwoTimes()
{
// Arrange
var callCount = 0;
var retry = new RetryImpl(() =>
{
callCount += 1;
if (callCount == 3)
{
return; // success
}
Throws();
}, new RetryAllExceptionBehavior(), doNotWaitHandler);
// Act
retry.RunAsync().Wait();
// Assert
Assert.AreEqual(2, doNotWaitHandler.SleepCount);
}