public async Task ThrottlingLimit10CallsPerSecondTest()
{
// Arrange
var tickStart = DateTime.UtcNow.Ticks;
async Task TestExecute() // Local function thats called by this test.
{
await Task.FromResult <object>(null);
}
// We need to use an instanced version of it so we can test in isolation.
var throttle = new ThrottleInstance(2, 1);
// Act
await throttle.DoAsync(() => TestExecute());
await throttle.DoAsync(() => TestExecute());
await throttle.DoAsync(() => TestExecute());
// Assert
long tickEnd = DateTime.UtcNow.Ticks;
TimeSpan timeSpan = TimeSpan.FromTicks(tickEnd - tickStart);
Assert.IsTrue(timeSpan.Duration().TotalSeconds >= 1);
}
public static async Task <T> DoAsync <T>(Func <Task <T> > func)
{
await _semaphore.WaitAsync();
try
{
if (_throttleInstance == null)
{
_throttleInstance = new ThrottleInstance(CallLimit, CallLimitSeconds);
}
}
finally
{
_semaphore.Release();
}
return(await _throttleInstance.DoAsync(func));
}