public void RetryAfterWithExponentialFallbackS(
[Values("Retry-After", null)] string headerName,
[Values(
new int[] { 1, 2, 1, 2 },
new int[] { 1, 1, 2 },
new int[] { 1, 5, 2, 2, 10, 8 },
new int[] { 1, 5, 1, 2, 10, 8, 20, 20, 20, 20, 20, 20, 20 })] int[] delayValues,
[Values(1, 2, 5, null)] int?suggestedWaitInMs)
{
var fallbackStrategy = new ExponentialDelayStrategy();
TimeSpan[] defaultDelays = fallbackStrategy.GetType().GetField("_pollingSequence", BindingFlags.NonPublic | BindingFlags.Static).GetValue(null) as TimeSpan[];
var strategy = new RetryAfterDelayStrategy(fallbackStrategy);
TimeSpan actual = TimeSpan.Zero;
TimeSpan? suggestion = suggestedWaitInMs.HasValue ? TimeSpan.FromSeconds(suggestedWaitInMs.Value) : null;
int expected = 0;
for (int i = 0; i < delayValues.Length; i++)
{
var response = new MockResponse(200);
//ignore suggestion for exponential
expected += GetExpected(headerName, delayValues[i], null, (int)defaultDelays[Math.Min(i, defaultDelays.Length - 1)].TotalSeconds);
if (headerName is not null)
{
response.AddHeader(new HttpHeader(headerName, delayValues[i].ToString()));
}
actual += strategy.GetNextDelay(response, suggestion);
}
Assert.AreEqual(TimeSpan.FromSeconds(expected), actual);
}