def test_eventloop_schedule_action_periodic(self):
scheduler = EventLoopScheduler(exit_if_empty=False)
gate = threading.Semaphore(0)
period = 0.05
counter = 3
def action(state):
nonlocal counter
if state:
counter -= 1
return state - 1
if counter == 0:
gate.release()
disp = scheduler.schedule_periodic(period, action, counter)
def dispose(scheduler, state):
disp.dispose()
gate.release()
gate.acquire()
assert counter == 0
assert scheduler._has_thread() is True
scheduler.schedule(dispose)
gate.acquire()
assert scheduler._has_thread() is True
sleep(period)
scheduler.dispose()
sleep(period)
assert scheduler._has_thread() is False
def test_eventloop_schedule_action_periodic(self):
scheduler = EventLoopScheduler(exit_if_empty=False)
gate = threading.Semaphore(0)
period = 0.05
counter = 3
def action(state):
nonlocal counter
if state:
counter -= 1
return state - 1
if counter == 0:
gate.release()
disp = scheduler.schedule_periodic(period, action, counter)
def dispose(scheduler, state):
disp.dispose()
gate.release()
gate.acquire()
assert counter == 0
assert scheduler._has_thread() is True
scheduler.schedule(dispose)
gate.acquire()
assert scheduler._has_thread() is True
sleep(period)
scheduler.dispose()
sleep(period)
assert scheduler._has_thread() is False
def test_event_loop_schedule_action(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
ran = [False]
gate = threading.Semaphore(0)
def action(scheduler, state):
gate.release()
ran[0] = True
scheduler.schedule(action)
gate.acquire()
assert (ran[0] is True)
def test_event_loop_different_thread(self):
thread_id = [None]
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
def action(scheduler, state):
gate.release()
thread_id[0] = threading.current_thread().ident
scheduler.schedule(action)
gate.acquire()
assert (thread_id[0] != threading.current_thread().ident)
def test_event_loop_schedule_action(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
ran = [False]
gate = threading.Semaphore(0)
def action(scheduler, state):
gate.release()
ran[0] = True
scheduler.schedule(action)
gate.acquire()
assert (ran[0] == True)
def test_event_loop_different_thread(self):
thread_id = [None]
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
def action(scheduler, state):
gate.release()
thread_id[0] = threading.current_thread().ident
scheduler.schedule(action)
gate.acquire()
assert (thread_id[0] != threading.current_thread().ident)
def test_event_loop_schedule_action_cancel(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
ran = [False]
def action(scheduler, state):
ran[0] = True
d = scheduler.schedule_relative(timedelta(milliseconds=1), action)
d.dispose()
sleep(0.1)
assert (not ran[0])
def test_event_loop_schedule_action_cancel(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
ran = [False]
def action(scheduler, state):
ran[0] = True
d = scheduler.schedule_relative(timedelta(milliseconds=1), action)
d.dispose()
sleep(0.1)
assert (not ran[0])
def test_event_loop_schedule_action(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
ran = False
gate = threading.Semaphore(0)
def action(scheduler, state):
nonlocal ran
ran = True
gate.release()
scheduler.schedule(action)
gate.acquire()
assert ran is True
assert scheduler._has_thread() is False
def test_event_loop_different_thread(self):
thread_id = None
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
def action(scheduler, state):
nonlocal thread_id
thread_id = threading.current_thread().ident
gate.release()
scheduler.schedule(action)
gate.acquire()
assert thread_id != threading.current_thread().ident
assert scheduler._has_thread() is False
def test_event_loop_schedule_action(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
ran = False
gate = threading.Semaphore(0)
def action(scheduler, state):
nonlocal ran
ran = True
gate.release()
scheduler.schedule(action)
gate.acquire()
assert ran is True
assert scheduler._has_thread() is False
def test_event_loop_different_thread(self):
thread_id = None
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
def action(scheduler, state):
nonlocal thread_id
thread_id = threading.current_thread().ident
gate.release()
scheduler.schedule(action)
gate.acquire()
assert thread_id != threading.current_thread().ident
assert scheduler._has_thread() is False
def test_event_loop_schedule_ordered_actions(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
result = []
scheduler.schedule(lambda s, t: result.append(1))
def action(scheduler, state):
gate.release()
result.append(2)
scheduler.schedule(action)
gate.acquire()
assert (result == [1,2])
def test_event_loop_schedule_action_due(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
starttime = datetime.utcnow()
endtime = [None]
def action(scheduler, state):
endtime[0] = datetime.utcnow()
gate.release()
scheduler.schedule_relative(timedelta(milliseconds=200), action)
gate.acquire()
diff = endtime[0] - starttime
assert (diff > timedelta(milliseconds=180))
def test_event_loop_schedule_action_due(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
starttime = datetime.utcnow()
endtime = [None]
def action(scheduler, state):
endtime[0] = datetime.utcnow()
gate.release()
scheduler.schedule_relative(timedelta(milliseconds=200), action)
gate.acquire()
diff = endtime[0]-starttime
assert(diff > timedelta(milliseconds=180))
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()
diff = endtime - starttime
assert diff < timedelta(milliseconds=180)
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 = datetime.utcnow()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = datetime.utcnow()
gate.release()
scheduler.schedule_absolute(scheduler.now, action)
gate.acquire()
diff = endtime - starttime
assert diff < timedelta(milliseconds=180)
assert scheduler._has_thread() is False
def test_eventloop_schedule_action_periodic(self):
scheduler = EventLoopScheduler()
gate = threading.Semaphore(0)
period = 0.050
counter = [3]
def action(state):
if state:
counter[0] -= 1
return state - 1
if counter[0] == 0:
gate.release()
scheduler.schedule_periodic(period, action, counter[0])
def done():
assert counter[0] == 0
gate.acquire()
def test_eventloop_schedule_action_periodic(self):
scheduler = EventLoopScheduler()
gate = threading.Semaphore(0)
period = 0.050
counter = [3]
def action(state):
if state:
counter[0] -= 1
return state - 1
if counter[0] == 0:
gate.release()
scheduler.schedule_periodic(period, action, counter[0])
def done():
assert counter[0] == 0
gate.acquire()
def test_event_loop_schedule_ordered_actions_due(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
result = []
def action(scheduler, state):
result.append(3)
gate.release()
scheduler.schedule_relative(0.10, action)
scheduler.schedule_relative(0.05, lambda s, t: result.append(2))
scheduler.schedule(lambda s, t: result.append(1))
gate.acquire()
assert result == [1, 2, 3]
assert scheduler._has_thread() is False
def test_event_loop_schedule_ordered_actions_due_mixed(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
result = []
def action(scheduler, state):
result.append(1)
scheduler.schedule_relative(0.2, action3)
scheduler.schedule(action2)
def action2(scheduler, state):
result.append(2)
def action3(scheduler, state):
result.append(3)
gate.release()
scheduler.schedule(action)
gate.acquire()
assert result == [1, 2, 3]
assert scheduler._has_thread() is False
def bus_context(conf):
blinker_ticks = Observable.interval(conf.blink.interval * 1000)
montage_ticks = Observable.interval(conf.montage.interval * 1000)
event_loop = EventLoopScheduler()
buttons = [
Button(Shoot, conf.event.shoot, conf.bounce_time, event_loop),
Button(Quit, conf.event.quit, conf.bounce_time, event_loop),
Button(Quit, conf.event.reboot, conf.bounce_time, event_loop),
Button(Quit, conf.event.shutdown, conf.bounce_time, event_loop)
]
commands = (Observable.merge([button.events for button in buttons]).merge(
ThreadPoolScheduler(max_workers=conf.workers),
blinker_ticks.map(const(Blink())),
montage_ticks.map(const(ShowRandomMontage()))))
with commands.subscribe(on_next=inject(handle_command, conf)):
yield
def test_eventloop_schedule_periodic_dispose_error(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_periodic(0.1, action)
assert ran is False
assert scheduler._has_thread() is False
def test_event_loop_schedule_ordered_actions(self):
scheduler = EventLoopScheduler(exit_if_empty=True)
gate = threading.Semaphore(0)
result = []
scheduler.schedule(lambda s, t: result.append(1))
def action(scheduler, state):
gate.release()
result.append(2)
scheduler.schedule(action)
gate.acquire()
assert (result == [1, 2])
def test_eventloop_schedule_periodic_dispose_error(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_periodic(0.1, action)
assert ran is False
assert scheduler._has_thread() is False
def test_eventloop_schedule_periodic_dispose(self):
scheduler = EventLoopScheduler(exit_if_empty=False)
scheduler.dispose()
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
exc = None
try:
scheduler.schedule_periodic(0.1, scheduler.now, action)
except Exception as e:
exc = e
finally:
assert isinstance(exc, DisposedException)
assert ran is False
assert scheduler._has_thread() is False
def test_event_loop_now(self):
scheduler = EventLoopScheduler()
res = scheduler.now() - datetime.utcnow()
assert res < timedelta(microseconds=1000)
def test_event_loop_now_units(self):
scheduler = EventLoopScheduler()
diff = scheduler.now
sleep(0.1)
diff = scheduler.now - diff
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_event_loop_now(self):
scheduler = EventLoopScheduler()
diff = scheduler.now - default_now()
assert abs(diff) < timedelta(milliseconds=1)
def test_event_loop_now(self):
scheduler = EventLoopScheduler()
res = scheduler.now - datetime.utcnow()
assert res < timedelta(microseconds=1000)