def test_eventloop_schedule_absolute_dispose(self):
scheduler = EventLoopScheduler(exit_if_empty=False)
scheduler.dispose()
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
with pytest.raises(DisposedException):
scheduler.schedule_absolute(scheduler.now, action)
assert ran is False
assert scheduler._has_thread() is False
def test_event_loop_schedule_action_absolute_due(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
gate.release()
scheduler.schedule_absolute(scheduler.now, action)
gate.acquire()
# There is no guarantee that the event-loop thread ends before the
# test thread is re-scheduled, give it some time to always run.
sleep(0.1)
diff = endtime - starttime
assert diff < timedelta(milliseconds=180)
assert scheduler._has_thread() is False