def test_timer_reports_how_many_times_it_triggered_since_last_wait():
with Timer(interval=0.0125) as timer:
timer.start()
sleep(0.5)
n = timer.wait()
assert n >= 4
def test_timer_cannot_be_started_if_offset_and_interval_are_both_zero():
with Timer() as timer:
try:
timer.start()
assert False, u"should have thrown ValueError"
except ValueError:
# expected
pass
def test_can_change_offset_while_timer_is_running():
with Timer(offset=1.0) as timer:
start = time()
timer.start()
timer.offset = 0.125
timer.wait()
duration = time() - start
assert duration < 1
def test_timer_waits_for_time_to_pass():
with Timer(offset=0.125) as timer:
start = time()
timer.start()
timer.wait()
duration = time() - start
assert duration >= 0.125
def test_timer_can_repeat_with_interval():
with Timer(interval=0.125) as timer:
start = time()
timer.start()
timer.wait()
timer.wait()
duration = time() - start
assert duration >= 0.25