def __init__(self, interval):
self._monitors = {}
self._interval = interval
# NOTE: This must be used in asynchronous mode to prevent blocking of
# the checker event loop thread.
self.onDomainStateChange = misc.Event(
"Storage.DomainMonitor.onDomainStateChange", sync=False)
self._checker = check.CheckService()
self._checker.start()
def testInstanceMethod(self):
ev = threading.Event()
event = misc.Event("name", sync=True)
receiver = Receiver(event, ev)
print(event._registrar)
event.emit()
ev.wait(TIMEOUT)
self.assertTrue(ev.isSet())
receiver # Makes pyflakes happy
def testUnregister(self):
ev = threading.Event()
callback = lambda: ev.set()
event = misc.Event("EndOfTheWorld")
event.register(callback)
event.unregister(callback)
event.emit()
ev.wait(TIMEOUT)
self.assertFalse(ev.isSet())
def testEmitStale(self):
ev = threading.Event()
callback = lambda: ev.set()
event = misc.Event("EndOfTheWorld")
event.register(callback)
del callback
event.emit()
ev.wait(5)
self.assertFalse(ev.isSet())
def testInstanceMethodDead(self):
ev = threading.Event()
event = misc.Event("name", sync=True)
receiver = Receiver(event, ev)
print(event._registrar)
del receiver
print(event._registrar)
event.emit()
ev.wait(TIMEOUT)
self.assertFalse(ev.isSet())
def testEmit(self):
ev = threading.Event()
def callback():
self.log.info("Callback called")
ev.set()
event = misc.Event("EndOfTheWorld")
event.register(callback)
event.emit()
ev.wait(TIMEOUT)
self.assertTrue(ev.isSet())
def testEmitCallbackException(self):
ev = threading.Event()
def callback1():
raise Exception("AHHHHHHH!!!")
def callback2():
ev.set()
event = misc.Event("EndOfTheWorld", sync=True)
event.register(callback1)
event.register(callback2)
event.emit()
ev.wait(TIMEOUT)
self.assertTrue(ev.isSet())
def testOneShot(self):
ev = threading.Event()
def callback():
self.log.info("Callback called")
ev.set()
event = misc.Event("EndOfTheWorld")
event.register(callback, oneshot=True)
event.emit()
ev.wait(TIMEOUT)
self.assertTrue(ev.isSet())
ev.clear()
event.emit()
ev.wait(TIMEOUT)
self.assertFalse(ev.isSet())
