def test_alive_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.alive()
assert serial.received == ALIVE
def test_alive_nak():
# send out an NAK byte
serial = MockSerial(NAK)
attiny = AttinyProtocol(serial)
result = attiny.alive()
assert serial.received == ALIVE
assert result == False
def test_alive_ack():
# send out an ACK byte
serial = MockSerial(ACK)
attiny = AttinyProtocol(serial)
result = attiny.alive()
assert serial.received == ALIVE
assert result == True