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.LoopingCall(self._wait_for_zero)
timer.start(interval=1.01).wait()
finally:
timeutils.clear_time_override()
m.UnsetStubs()
m.VerifyAll()
def testNonNumericTypes(self):
"""Verify that IsAlmost handles non-numeric types properly."""
self.assertNotEquals(mox.IsAlmost(1.8999999999), '1.9')
self.assertNotEquals(mox.IsAlmost('1.8999999999'), 1.9)
self.assertNotEquals(mox.IsAlmost('1.8999999999'), '1.9')
def testEqualityWithPlaces(self): """Verify that specifying places has the desired effect.""" self.assertNotEquals(mox.IsAlmost(1.899), 1.9) self.assertEquals(mox.IsAlmost(1.899, places=2), 1.9)
def testEqualityInvalid(self): """Verify that == correctly identifies non-equivalent floats.""" self.assertNotEquals(mox.IsAlmost(1.899), 1.9)
def IsSeconds(float_value):
"""Return a mox comparator that checks 6 decimal places, intended to be
used for comparing seconds."""
return mox.IsAlmost(float_value, 6)