Python GPIO.add_event_callback Examples

Example #1

def test_add_event_callback_not_configured_for_input():
    with patch("LPi.GPIO.sysfs"):
        GPIO.setmode(GPIO.BOARD)
        GPIO.setup(23, GPIO.OUT)
        with pytest.raises(RuntimeError) as ex:
            GPIO.add_event_callback(23, None)
        assert str(ex.value) == "Channel 23 is configured for output"

Example #2

def test_add_event_callback():
    with patch("LPi.GPIO.sysfs"):
        GPIO.setmode(GPIO.BOARD)
        GPIO.setup(23, GPIO.IN)
        with patch("LPi.GPIO.event") as mock:
            GPIO.add_event_callback(23, None)
            mock.add_edge_callback(14, None)