public void Run_ActionSucceedsThirdTime_ThreadSleepCalledTwoTimes()
{
using (ShimsContext.Create())
{
// Arrange
var sleepInvokeCounter = 0;
var callCount = 0;
ShimThread.SleepInt32 = i => sleepInvokeCounter += 1;
var retry = new RetryImpl(() =>
{
callCount += 1;
if (callCount == 3)
{
return;
}
Throws();
});
// Act
retry.Using(new ConstantWaitTimeRetryStrategy
{
RetryDelay = TimeSpan.FromMilliseconds(1337)
})
.Run();
// Assert
Assert.AreEqual(2, sleepInvokeCounter);
}
}
public void Using_ActionFails_TaskDelayCalledWithCorrectValue()
{
using (ShimsContext.Create())
{
// Arrange
var argumentPassedToTaskDelay = new TimeSpan();
ShimTask.DelayTimeSpanCancellationToken = (t, c) =>
{
argumentPassedToTaskDelay = t;
return(Task.CompletedTask);
};
var retry = new RetryImpl(() => Throws());
// Act
retry.Using(new ConstantWaitTimeRetryStrategy
{
RetryDelay = TimeSpan.FromMilliseconds(1337)
})
.MaximumNumberOfTries(2)
.RunAsync().Wait();
// Assert
Assert.AreEqual(TimeSpan.FromMilliseconds(1337), argumentPassedToTaskDelay);
}
}
public void RunAsync_RetryStrategyProvidesNegativeTimeSpan_ThrowsException()
{
// Arrange
var retry = new RetryImpl((() => Throws()));
retry.Using(new ReturnNegativeTimeSpanRetryStrategy());
// Act
retry.RunAsync().Wait();
// Assert
// Expected exception
}
public void Using_ActionFails_TaskDelayCalledWithCorrectValue()
{
// Arrange
var retry = new RetryImpl(() => Throws(), new RetryAllExceptionBehavior(), doNotWaitHandler);
// Act
retry.Using(new ConstantWaitTimeRetryStrategy
{
RetryDelay = TimeSpan.FromMilliseconds(1337)
})
.MaximumNumberOfTries(2)
.RunAsync().Wait();
// Assert
Assert.AreEqual(TimeSpan.FromMilliseconds(1337), doNotWaitHandler.LastSleepAmount);
}
public void Using_ActionFails_ThreadSleepCalledWithCorrectValue()
{
using (ShimsContext.Create())
{
// Arrange
var argumentPassedToSleep = 0;
ShimThread.SleepInt32 = i => argumentPassedToSleep = i;
var retry = new RetryImpl(() => Throws());
// Act
retry.Using(new ConstantWaitTimeRetryStrategy
{
RetryDelay = TimeSpan.FromMilliseconds(1337)
})
.MaximumNumberOfTries(2)
.Run();
// Assert
Assert.AreEqual(1337, argumentPassedToSleep);
}
}
public void Run_ActionSucceedsThirdTime_ThreadSleepCalledTwoTimes()
{
// Arrange
var callCount = 0;
var retry = new RetryImpl(() =>
{
callCount += 1;
if (callCount == 3)
{
return;
}
Throws();
}, new RetryAllExceptionBehavior(), doNotWaitHandler);
// Act
retry.Using(new ConstantWaitTimeRetryStrategy
{
RetryDelay = TimeSpan.FromMilliseconds(1337)
}).Run();
// Assert
Assert.AreEqual(2, doNotWaitHandler.SleepCount);
}