/// <summary>
/// Run update periodically
/// </summary>
public static RecurringWorker UpdatePeriodically(this IUpdater updater, TimeSpan dueTime, TimeSpan period)
{
var worker = new RecurringWorker(updater.UpdateAsync, dueTime, period);
worker.Start();
return(worker);
}
public void RecurringWorker_should_execute_tasks_periodically()
{
// Arrange
var counter = 0;
var delayBeforeStart = TimeSpan.FromMilliseconds(400);
var delayAfterEnd = TimeSpan.FromMilliseconds(400);
var due = TimeSpan.FromMilliseconds(1200);
var period = TimeSpan.FromMilliseconds(300);
var workingTime = TimeSpan.FromMilliseconds(3800);
var expectedCount = 9;
var tolerance = 3;
Task testAction()
{
counter++;
return(TaskUtilities.CompletedTask);
}
using (var sut = new RecurringWorker(testAction, due, period))
{
sut.ExecutionOmitted += (o, e) => counter++;
Delay(delayBeforeStart);
sut.Start();
Assert.AreEqual(0, counter);
// Act
Delay(workingTime);
}
Delay(delayAfterEnd);
// Assert
#if (DNXCORE50)
Assert.InRange(counter, expectedCount - tolerance, expectedCount + tolerance);
#else
Assert.GreaterOrEqual(counter, expectedCount - tolerance);
Assert.LessOrEqual(counter, expectedCount + tolerance);
#endif
}