public void TestSlowListener()
{
MessageLog log = new MessageLog();
ActionPerformer performer = new ActionPerformer(log);
EventManager eventManager = new EventManager();
const string eventType = "ET";
eventManager.Start();
eventManager.Watch(eventType, performer.SlowAction);
log.Log("Event fired.");
eventManager.Notify(eventType);
Thread.Sleep(150);
const int eventsCount = 10000;
Stopwatch sw = Stopwatch.StartNew();
log.Log($"Starting to fire a series of {eventsCount} events.");
for (int i = 0; i < eventsCount; i++)
{
eventManager.Notify(eventType);
}
log.Log($"Finished to fire a series of {eventsCount} events.");
Assert.That(sw.ElapsedMilliseconds, Is.LessThan(100));
Thread.Sleep(1000);
eventManager.Stop();
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
"Event fired.",
"SlowAction started.",
$"Starting to fire a series of {eventsCount} events.",
$"Finished to fire a series of {eventsCount} events.",
"SlowAction completed.",
"SlowAction started.",
"SlowAction completed."
}));
}
