def test_timer(self):
def runner(timer):
assert timer.started is False
assert timer.elapsed is None
with self.assertRaises(RuntimeError):
timer.stop()
timer.start()
assert timer.elapsed is None
assert timer.started is True
with self.assertRaises(RuntimeError):
timer.start()
timer.stop()
assert timer.started is False
assert isinstance(timer.elapsed, float)
assert timer.tags == {'foo': 'bar'}
timer = Timer({"foo": "bar"})
runner(timer)
cloned = timer.clone()
assert timer is not cloned
runner(cloned)
