public Task MaxAttemptsRespected()
{
var settings = RetrySettings.FromConstantBackoff(
maxAttempts: 4, backoff: OneSecond, retryFilter: ex => true, backoffJitter: RetrySettings.NoJitter);
var scheduler = new FakeScheduler();
var sequence = RetryAttempt.CreateRetrySequence(settings, scheduler);
// Should attempt at T=0, T=1, T=2, T=3, then stop because we're only allowed four attempts.
return(AssertAttemptsAsync(sequence, scheduler, () => new Exception(), 0, 1, 2, 3));
}
public Task InitialBackoffOverrideRespected()
{
var settings = RetrySettings.FromConstantBackoff(
maxAttempts: 4, backoff: FiveSeconds, retryFilter: ex => true, backoffJitter: RetrySettings.NoJitter);
var scheduler = new FakeScheduler();
var sequence = RetryAttempt.CreateRetrySequence(settings, scheduler, initialBackoffOverride: OneSecond);
// Should attempt at T=0, T=1, T=6, T=11.
return(AssertAttemptsAsync(sequence, scheduler, () => new Exception(), 0, 1, 6, 11));
}
public void FromConstantBackoff_DefaultJitter()
{
var backoff = TimeSpan.FromSeconds(3);
var filter = RetrySettings.FilterForStatusCodes(StatusCode.Aborted);
var settings = RetrySettings.FromConstantBackoff(10, backoff, filter);
Assert.Equal(10, settings.MaxAttempts);
Assert.Equal(backoff, settings.InitialBackoff);
Assert.Equal(backoff, settings.MaxBackoff);
Assert.Same(filter, settings.RetryFilter);
Assert.Same(RetrySettings.RandomJitter, settings.BackoffJitter);
}