def test_stop_motors_undefined():
# send out something that is neither an ACK or a NAK byte
serial = MockSerial(INVALID_RESPONSE)
attiny = AttinyProtocol(serial)
with pytest.raises(InvalidResponseException):
attiny.stop_motors()
assert serial.received == STOP_MOTORS
def test_stop_motors_timeout():
serial = MockSerial(b'')
attiny = AttinyProtocol(serial)
result = attiny.stop_motors()
assert serial.received == STOP_MOTORS
assert result == False
def test_stop_motors():
serial = MockSerial(ACK)
attiny = AttinyProtocol(serial)
result = attiny.stop_motors()
assert serial.received == STOP_MOTORS
assert result == True