public async Task ClampDelay()
{
Stopwatch watch = new Stopwatch();
var delay = new ManualRetryDelay
{
Delay = TimeSpan.FromMilliseconds(100),
MaxDelay = TimeSpan.FromMilliseconds(250)
};
delay.Update(throttled: true);
await delay.WaitIfNeededAsync();
delay.Update(throttled: true);
await delay.WaitIfNeededAsync();
delay.Update(throttled: true);
await delay.WaitIfNeededAsync();
delay.Update(throttled: true);
watch.Start();
await delay.WaitIfNeededAsync();
watch.Stop();
Assert.IsTrue(
248 <= watch.ElapsedMilliseconds && watch.ElapsedMilliseconds <= 500,
$"Expected a delay between 248ms and 500ms, not {watch.ElapsedMilliseconds}");
}
public async Task ClearDelay()
{
Stopwatch watch = new Stopwatch();
var delay = new ManualRetryDelay
{
Delay = TimeSpan.FromMilliseconds(100),
MaxDelay = TimeSpan.FromMilliseconds(250)
};
delay.Update(throttled: true);
await delay.WaitIfNeededAsync();
delay.Update(throttled: true);
await delay.WaitIfNeededAsync();
delay.Update(throttled: false);
watch.Start();
await delay.WaitIfNeededAsync();
watch.Stop();
Assert.IsTrue(
watch.ElapsedMilliseconds < 100,
$"Expected a delay less than 100ms, not {watch.ElapsedMilliseconds}");
}
public async Task NoDelay()
{
Stopwatch watch = new Stopwatch();
var delay = new ManualRetryDelay
{
Delay = TimeSpan.FromMilliseconds(100),
MaxDelay = TimeSpan.FromMilliseconds(250)
};
watch.Start();
await delay.WaitIfNeededAsync();
watch.Stop();
Assert.Greater(50, watch.ElapsedMilliseconds);
}
public async Task AddsDelay()
{
Stopwatch watch = new Stopwatch();
var delay = new ManualRetryDelay
{
Delay = TimeSpan.FromMilliseconds(100),
MaxDelay = TimeSpan.FromMilliseconds(250)
};
delay.Update(throttled: true);
watch.Start();
await delay.WaitIfNeededAsync();
watch.Stop();
Assert.LessOrEqual(80, watch.ElapsedMilliseconds);
}
public async Task NoDelayIfCalledAfterWait()
{
Stopwatch watch = new Stopwatch();
var delay = new ManualRetryDelay
{
Delay = TimeSpan.FromMilliseconds(100),
MaxDelay = TimeSpan.FromMilliseconds(250)
};
delay.Update(throttled: true);
await Task.Delay(TimeSpan.FromMilliseconds(120));
watch.Start();
await delay.WaitIfNeededAsync();
watch.Stop();
Assert.Greater(50, watch.ElapsedMilliseconds);
}
