public void TestDropboxRateLimiter()
{
// Set the limit to 60/sec, let it run for 5s
// Expected count around 300 give or take.
var rateLimiter = new DropboxHelper.RateLimiter(60, TimeSpan.FromSeconds(1));
var start = DateTime.Now;
int total = 0;
while (DateTime.Now - start <= TimeSpan.FromSeconds(5))
{
rateLimiter.Throtte();
++total;
}
TestTracer.Trace("total = {0}", total);
// For robustness, allow wider range
Assert.True(total >= 240, total + " should be >= 240");
Assert.True(total <= 360, total + " should be <= 360");
}
public async Task TestDropboxRateLimiter(int limit, int total)
{
var interval = 1;
var rateLimiter = new DropboxHelper.RateLimiter(limit, TimeSpan.FromSeconds(interval));
var duration = TimeSpan.FromSeconds(total / limit - interval - 0.5);
var start = DateTime.Now;
while (--total > 0)
{
await rateLimiter.ThrottleAsync();
}
// Assert
var end = DateTime.Now;
Assert.True((end - start) >= duration, (end - start) + "<" + duration);
}