def test_raw_frame_equality():
empty_frame = types.RawFrame(1, 2, constants.FrameType.CAN_DATA, 4, 5, b'')
base_frame = types.RawFrame(1, 2, constants.FrameType.CAN_DATA, 4, 5,
b'\x01')
assert empty_frame == empty_frame
assert not (empty_frame == base_frame)
assert not (empty_frame == 5)
assert not (empty_frame != empty_frame)
assert empty_frame != base_frame
assert empty_frame != 5
def test_serialize_frame_with_empty_payload():
empty_frame = types.RawFrame(1, 2, constants.FrameType.CAN_DATA, 4, 5, b'')
(base, ) = list(_frames.serialize_frame(empty_frame))
assert base[
0:
16] == b'\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x04\x05\x00'
assert base[16:] == b'\x00\x00\x00\x00\x00\x00\x00\x00'
def test_raw_frame_conversion():
base_frame = types.RawFrame(1, 2, constants.FrameType.CAN_DATA, 4, 5,
b'\x01')
assert base_frame == base_frame, "Pre-requisite failed"
assert base_frame == types.RawFrame.from_raw(base_frame)
assert base_frame == base_frame.to_raw()
def test_serialize_frame_with_base_payload():
payload = b'\x01\x02\x03\x04\x05\x06\x07\x08'
base_frame = types.RawFrame(1, 2, constants.FrameType.CAN_DATA, 4, 5,
payload)
(base, ) = list(_frames.serialize_frame(base_frame))
assert base[
0:
16] == b'\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x04\x05\x08'
assert base[16:] == b'\x01\x02\x03\x04\x05\x06\x07\x08'
def test_serialize_frame_with_excessive_payload():
payload = 0xFF * b'\x01\x02\x03\x04\x05\x06\x07\x08'
base_frame = types.RawFrame(1, 2, constants.FrameType.CAN_DATA, 4, 5,
payload)
with pytest.raises(errors.XnetError):
list(_frames.serialize_frame(base_frame))