def test_blocker(self):
for wait_for in (0.1, 0.5, 1):
portion = 0.2 * wait_for
with Blocker(wait_for):
time.sleep(portion)
this_time = now()
self.assert_duration(wait_for - portion, seconds(now() - this_time), wait_for, 0.5)
this_time = now()
with Blocker(this_time + datetime.timedelta(seconds=1)):
pass
s = seconds_since(this_time)
self.assertTrue(0.95 <= s)
self.assertTrue(s <= 1.05)
def test_stopwatch(self):
wait_time = 0.5
start = now()
with Stopwatch() as s:
s.tick()
time.sleep(wait_time)
s.tick()
self.assertTrue(s >= wait_time)
self.assert_duration(0, seconds(s.ticks()[0] - start), 0.1)
self.assert_duration(0.4, seconds(s.ticks()[1] - s.ticks()[0]), 0.6)
