def test_fails_until_time_elapsed(self):
obj = DeltaTime(threshold=5)
t = 0
obj.update(timestamp=t) # record pass at time t
while not obj.check(timestamp=t): # next steps
t += 2
assert t == 6
def test_fails_next_step_with_small_step(self):
obj = DeltaTime(threshold=1)
obj.update(timestamp=0) # record pass at time 0
result = obj.check(timestamp=0.1) # next step
assert not result
def test_passes_next_step_with_zero_step(self):
obj = DeltaTime(threshold=0)
obj.update(timestamp=0) # record pass at time 0
result = obj.check(timestamp=0) # next step
assert result