def test_one_minute_tick_after_60_seconds(self):
seconds_clock = SynchronizingClock(max_ticks=60)
minutes_clock = SynchronizingClock()
seconds_clock.add_tick_listener(
InterClockSynchronization(minutes_clock, granularity=60))
while minutes_clock.current_tick < 1:
seconds_clock.tick()
self.assertEqual(60, seconds_clock.current_tick)
self.assertEqual(1, minutes_clock.current_tick)
class ClockTestCase(unittest.TestCase):
def setUp(self):
self.clock = SynchronizingClock(max_ticks=2)
def test_synchronization(self):
self.tick_listener = Mock()
self.tick_listener.waiting_for_tick = Mock(spec=_Event)
self.clock.add_tick_listener(self.tick_listener)
self.clock.tick()
self.tick_listener.waiting_for_tick.wait.assert_called_once_with()
self.tick_listener.notify_new_tick.assert_called_once_with()
def test_for_handling_imprecision(self):
seconds_clock = SynchronizingClock(max_ticks=3600)
minutes_clock = SynchronizingClock()
hours_clock = SynchronizingClock()
seconds_clock.add_tick_listener(
InterClockSynchronization(minutes_clock, granularity=60))
minutes_clock.add_tick_listener(
InterClockSynchronization(
hours_clock,
granularity=60,
precision=lambda granularity: granularity - 5))
while hours_clock.current_tick < 1:
seconds_clock.tick()
self.assertEqual(3300, seconds_clock.current_tick)
self.assertEqual(55, minutes_clock.current_tick)
self.assertEqual(1, hours_clock.current_tick)
class ClockTestCase(unittest.TestCase):
def test_synchronization(self):
self.clock = SynchronizingClock(max_ticks=2)
self.tick_listener = Mock()
self.clock.add_tick_listener(self.tick_listener)
self.clock.tick()
self.tick_listener.wait_for_tick.assert_called_once_with()
self.tick_listener.notify_new_tick.assert_called_once_with()
def test_ticks_until_stopped(self):
self.clock = SynchronizingClock()
self.clock.tick()
self.clock.tick()
self.clock.issue_ticks = False
self.clock.tick()
self.assertEqual(self.clock.current_tick, 2)
def test_non_blocking_for_actors(self):
seconds_clock = SynchronizingClock(max_ticks=3600)
minutes_clock = SynchronizingClock()
hours_clock = SynchronizingClock()
seconds_clock.add_tick_listener(InterClockSynchronization(minutes_clock, granularity=60))
minutes_clock.add_tick_listener(InterClockSynchronization(hours_clock, granularity=60))
actor = TaskQueueActor(0, minutes_clock)
example_workflow = ExampleWorkflow()
actor.allocate_task(example_workflow.task_a, example_workflow)
actor.initiate_shutdown()
actor.start()
while hours_clock.current_tick < 1:
seconds_clock.tick()
self.assertEqual(actor.last_task.finish_tick, 2)
self.assertEqual(3600, seconds_clock.current_tick)
self.assertEqual(60, minutes_clock.current_tick)
self.assertEqual(1, hours_clock.current_tick)
