public async Task Holds_For_All_URIs_With_Same_Domain()
{
var window = TimeSpan.FromMilliseconds(1000);
var nowProvider = new NowProvider(new DateTime(2020, 01, 01));
var limiter = new RollingWindowRateLimiter(window, 1, nowProvider);
var firstURI = new Uri("http://domain.com/something");
var secondURI = new Uri("http://domain.com/something-else");
var stopwatch = new Stopwatch();
await limiter.HoldIfRequired(firstURI);
stopwatch.Start();
await limiter.HoldIfRequired(secondURI);
Assert.IsTrue(stopwatch.ElapsedMilliseconds >= 1000);
}
public async Task Holds_Until_Oldest_Passed_Window_If_Max_Reached(int windowSeconds, int max, int millStep)
{
var startDate = new DateTime(2020, 01, 01);
var window = TimeSpan.FromSeconds(windowSeconds);
var nowProvider = new TestNowProvider(startDate);
var limiter = new RollingWindowRateLimiter(window, max, nowProvider);
for (var i = 0; i < max; i++)
{
nowProvider.Update(startDate.AddMilliseconds(i * millStep));
await limiter.HoldIfRequired(new Uri("http://domain.com/" + i));
}
}
public async Task Does_Not_Hold_If_Domain_New()
{
var window = TimeSpan.MaxValue;
var nowProvider = new NowProvider(new DateTime(2020, 01, 01));
var limiter = new RollingWindowRateLimiter(window, 1, nowProvider);
var uri = new Uri("http://domain.com/something");
var waitTask = limiter.HoldIfRequired(uri);
var stopwatch = new Stopwatch();
stopwatch.Start();
while (!waitTask.IsCompleted)
{
if (stopwatch.ElapsedMilliseconds > 1000)
{
Assert.Fail("Took too long");
}
}
await waitTask;
}