public void should_start_after_first_period()
{
var period = 500.Milliseconds();
_periodicInitializer = new XPeriodicActionHostInitializer(_bus, period);
var signal = new ManualResetEvent(false);
DateTime?firstCallTime = null;
_periodicInitializer.PeriodicAction = () =>
{
if (firstCallTime == null)
{
firstCallTime = DateTime.UtcNow;
}
signal.Set();
};
var startTime = DateTime.UtcNow;
_periodicInitializer.AfterStart();
signal.WaitOne(2.Seconds());
Console.WriteLine("First call " + firstCallTime.GetValueOrDefault().ToString("h:mm:ss.fffff"));
Console.WriteLine("Expected " + (startTime + period).ToString("h:mm:ss.fffff"));
firstCallTime.ShouldNotBeNull();
firstCallTime.GetValueOrDefault().ShouldApproximateDateTime(startTime + period, 50);
}
public void should_start_at_specified_time()
{
var offset = 1.Seconds();
_periodicInitializer = new XPeriodicActionHostInitializer(_bus, 20.Milliseconds(), () => DateTime.UtcNow + offset);
var signal = new ManualResetEvent(false);
DateTime?firstCallTime = null;
_periodicInitializer.PeriodicAction = () =>
{
if (firstCallTime == null)
{
firstCallTime = DateTime.UtcNow;
}
signal.Set();
};
var startTime = DateTime.UtcNow;
_periodicInitializer.AfterStart();
signal.WaitOne(2.Seconds());
firstCallTime.ShouldNotBeNull();
firstCallTime.GetValueOrDefault().ShouldApproximateDateTime(startTime + offset, 50);
}
public void should_not_run_action_if_period_is_negative()
{
var period = -20.Milliseconds();
_periodicInitializer = new XPeriodicActionHostInitializer(_bus, period);
var callCount = 0;
_periodicInitializer.PeriodicAction = () => callCount++;
_periodicInitializer.AfterStart();
Thread.Sleep(100);
callCount.ShouldEqual(0);
}