def test_get_pwm_None(self): headroom = None pwm = _get_pwm(headroom=headroom) assert isinstance(pwm, type(None))
def test_get_pwm_zero(self): headroom = 0.0 pwm = _get_pwm(headroom=headroom) assert pwm == 0
def test_get_pwm_full(self): headroom = 1.0 pwm = _get_pwm(headroom=headroom) assert pwm == 255
def test_get_pwm_middle(self): headroom = 0.5 pwm = _get_pwm(headroom=headroom) assert pwm == 128