def test_interval_adjustment(self):
"""Ensure the interval is adjusted to account for task duration."""
self.num_runs = 3
now = datetime.datetime.utcnow()
second = datetime.timedelta(seconds=1)
smidgen = datetime.timedelta(microseconds=10000)
timeoverrides = [now, now + second - smidgen,
now, now + second + second,
now, now + second + smidgen]
m = mox.Mox()
m.StubOutWithMock(greenthread, 'sleep')
greenthread.sleep(mox.IsAlmost(0.02))
greenthread.sleep(mox.IsAlmost(0.0))
greenthread.sleep(mox.IsAlmost(0.0))
m.ReplayAll()
try:
timeutils.set_time_override(timeoverrides)
timer = loopingcall.FixedIntervalLoopingCall(self._wait_for_zero)
timer.start(interval=1.01).wait()
finally:
timeutils.clear_time_override()
m.UnsetStubs()
m.VerifyAll()
def test_interval_adjustment(self):
"""Ensure the interval is adjusted to account for task duration."""
self.num_runs = 3
now = time.time()
second = 1
smidgen = 0.01
m = mox.Mox()
m.StubOutWithMock(greenthread, 'sleep')
greenthread.sleep(mox.IsAlmost(0.02))
greenthread.sleep(mox.IsAlmost(0.0))
greenthread.sleep(mox.IsAlmost(0.0))
m.StubOutWithMock(loopingcall, '_ts')
loopingcall._ts().AndReturn(now)
loopingcall._ts().AndReturn(now + second - smidgen)
loopingcall._ts().AndReturn(now)
loopingcall._ts().AndReturn(now + second + second)
loopingcall._ts().AndReturn(now)
loopingcall._ts().AndReturn(now + second + smidgen)
loopingcall._ts().AndReturn(now)
m.ReplayAll()
timer = loopingcall.FixedIntervalLoopingCall(self._wait_for_zero)
timer.start(interval=1.01).wait()
m.UnsetStubs()
m.VerifyAll()
def add_timer(self,
interval,
callback,
initial_delay=None,
*args,
**kwargs):
pulse = loopingcall.FixedIntervalLoopingCall(callback, *args, **kwargs)
pulse.start(interval=interval, initial_delay=initial_delay)
self.timers.append(pulse)
def test_repeat(self):
self.num_runs = 2
timer = loopingcall.FixedIntervalLoopingCall(self._wait_for_zero)
self.assertFalse(timer.start(interval=0.5).wait())
def test_return_false(self):
def _raise_it():
raise loopingcall.LoopingCallDone(False)
timer = loopingcall.FixedIntervalLoopingCall(_raise_it)
self.assertFalse(timer.start(interval=0.5).wait())
