def test_valid_input(arg1, arg2, arg3):
expected = bytearray([0xFF, 0xFF, 0x00, 0x22, 0x00, 0x06,
(arg1 >> 8), (arg1 & 0xFF), arg2,
(arg3 >> 8), (arg3 & 0xFF)])
expected.append((sum(expected[2:]) & 0xFF) ^ 0xFF)
request = Sleep(arg1, arg2, arg3)
assert request.tobytes() == expected
def test_example_input():
expected = bytearray([0xFF, 0xFF, 0x00, 0x22, 0x00, 0x06,
0x04, 0xD2, 0x38, 0x1E, 0xD2, 0xD9])
request = Sleep(1234, 56, 7890)
assert request.tobytes() == expected
def test_input_below_range(arg1, arg2, arg3):
request = Sleep(arg1, arg2, arg3)
with pytest.raises(ValueError):
request.tobytes()