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.",
$"Finished to fire a series of {eventsCount} events.",
"SlowAction completed.",
"SlowAction started.",
"SlowAction completed."
}));
}
public void TestBrokenListener()
{
MessageLog log = new MessageLog();
ActionPerformer performer1 = new ActionPerformer(log);
ActionPerformer performer2 = new ActionPerformer(log);
EventManager eventManager = new EventManager();
const string eventType = "ET";
eventManager.Start();
eventManager.Watch(eventType, performer1.BrokenAction);
eventManager.Watch(eventType, performer2.BrokenAction);
log.Log("Event fired.");
eventManager.Notify(eventType);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
"Event fired.",
"BrokenAction invoked.",
"BrokenAction invoked."
}));
log.Log("Event fired.");
eventManager.Notify(eventType);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
"Event fired.",
"BrokenAction invoked.",
"BrokenAction invoked.",
"Event fired.",
"BrokenAction invoked.",
"BrokenAction invoked."
}));
}
public void TestSmoke()
{
MessageLog log = new MessageLog();
ActionPerformer performer = new ActionPerformer(log);
EventManager eventManager = new EventManager();
const string eventType1 = "ET1";
const string eventType2 = "ET2";
eventManager.Watch(eventType1, performer.Action1);
eventManager.Watch(eventType2, performer.Action2);
eventManager.Start();
log.Log($"Fired {eventType1} event.");
eventManager.Notify(eventType1);
Thread.Sleep(200);
log.Log($"Fired {eventType2} event.");
eventManager.Notify(eventType2);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
$"Fired {eventType1} event.",
$"Action1 invoked.",
$"Fired {eventType2} event.",
$"Action2 invoked."
}));
// testing that attempt to remove non-existent event listeners does not affect existing watchers
eventManager.Unwatch(eventType1, performer.Action2);
eventManager.Unwatch(eventType2, performer.Action1);
log.Clear();
log.Log("Attempted to remove non-existent event listeners.");
log.Log($"Fired {eventType1} event.");
eventManager.Notify(eventType1);
Thread.Sleep(200);
log.Log($"Fired {eventType2} event.");
eventManager.Notify(eventType2);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
$"Attempted to remove non-existent event listeners.",
$"Fired {eventType1} event.",
$"Action1 invoked.",
$"Fired {eventType2} event.",
$"Action2 invoked."
}));
eventManager.Unwatch(eventType1, performer.Action1);
log.Clear();
log.Log($"Removed event-listener for {eventType1}.");
log.Log($"Fired {eventType1} event.");
eventManager.Notify(eventType1);
log.Log($"Fired {eventType2} event.");
eventManager.Notify(eventType2);
Thread.Sleep(200);
Assert.That(log.GetLog(), Is.EqualTo(new string[]
{
$"Removed event-listener for {eventType1}.",
$"Fired {eventType1} event.",
$"Fired {eventType2} event.",
$"Action2 invoked."
}));
}
