public void BacksOffAsItShould()
{
var backoffStrategy = new DefaultBackoffStrategy(new[]
{
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(500),
TimeSpan.FromMilliseconds(1000),
}, new Options());
Printt("Starting");
var stopwatch = Stopwatch.StartNew();
var previousElapsed = TimeSpan.Zero;
while (stopwatch.Elapsed < TimeSpan.FromSeconds(5))
{
backoffStrategy.Wait(CancellationToken.None);
var waitTime = stopwatch.Elapsed - previousElapsed;
Printt($"Waited {waitTime}");
previousElapsed = stopwatch.Elapsed;
}
Printt("Done :)");
}
public void Default_strategy_is(int expectedDelay, int forRetry)
{
var backoffStrategy = new DefaultBackoffStrategy(MaxBackoffMilliseconds);
backoffStrategy
.GetDelayMilliseconds(forRetry)
.ShouldBe(expectedDelay);
}
public async Task WaitAsyncDoesPause()
{
// Arrange
var backoffStrategy = new DefaultBackoffStrategy(new[]
{
TimeSpan.FromMilliseconds(500)
}, new Options());
// Act
var stopwatch = Stopwatch.StartNew();
await backoffStrategy.WaitAsync(CancellationToken.None);
stopwatch.Stop();
// Assert
Assert.That(stopwatch.Elapsed, Is.GreaterThan(TimeSpan.FromMilliseconds(450)).And.LessThan(TimeSpan.FromMilliseconds(550)));
}
public void WaitDoesPerformDoesPause()
{
// Arrange
var backoffStrategy = new DefaultBackoffStrategy(new[]
{
TimeSpan.FromMilliseconds(500)
});
// Act
var stopwatch = Stopwatch.StartNew();
backoffStrategy.Wait(CancellationToken.None);
stopwatch.Stop();
// Assert
Assert.GreaterOrEqual(stopwatch.Elapsed, TimeSpan.FromMilliseconds(500));
}
public async Task WaitAsyncDoesPause()
{
// Arrange
var backoffStrategy = new DefaultBackoffStrategy(new[]
{
TimeSpan.FromMilliseconds(500)
});
// Act
var stopwatch = Stopwatch.StartNew();
await backoffStrategy.WaitAsync();
stopwatch.Stop();
// Assert
Assert.GreaterOrEqual(stopwatch.Elapsed, TimeSpan.FromMilliseconds(500));
}
