def test_from_knx_with_not_handleable_cemi():
"""Test for having unhandlebale cemi set."""
frame = CEMIFrame()
with pytest.raises(
UnsupportedCEMIMessage, match=r".*CEMIMessageCode not implemented:.*"
):
frame.from_knx(get_data(0x30, 0, 0, 0, 0, 2, 0, []))
def test_from_knx_with_not_implemented_cemi():
"""Test for having not implemented CEMI set."""
frame = CEMIFrame()
with raises(UnsupportedCEMIMessage, match=r".*Could not handle CEMIMessageCode:.*"):
frame.from_knx(
get_data(CEMIMessageCode.L_BUSMON_IND.value, 0, 0, 0, 0, 2, 0, [])
)
def test_valid_command():
"""Test for valid frame parsing."""
frame = CEMIFrame()
packet_len = frame.from_knx(get_data(0x29, 0, 0, 0, 0, 1, 0, []))
assert frame.code == CEMIMessageCode.L_DATA_IND
assert frame.flags == 0
assert frame.mpdu_len == 1
assert frame.payload == GroupValueRead()
assert frame.src_addr == IndividualAddress(0)
assert frame.dst_addr == IndividualAddress(0)
assert packet_len == 11
def test_valid_tpci_control():
"""Test for valid tpci control."""
raw = bytes((0x29, 0, 0, 0, 0, 0, 0, 0, 0, 0x80))
frame = CEMIFrame()
packet_len = frame.from_knx(raw)
assert frame.code == CEMIMessageCode.L_DATA_IND
assert frame.flags == 0
assert frame.payload is None
assert frame.src_addr == IndividualAddress(0)
assert frame.dst_addr == IndividualAddress(0)
assert frame.tpci == TConnect()
assert packet_len == 10
assert frame.calculated_length() == 10
assert frame.to_knx() == raw
def test_valid_command():
"""Test for valid frame parsing."""
raw = get_data(0x29, 0, 0x0080, 0, 0, 1, 0, [])
frame = CEMIFrame()
packet_len = frame.from_knx(raw)
assert frame.code == CEMIMessageCode.L_DATA_IND
assert frame.flags == 0x0080
assert frame.src_addr == IndividualAddress(0)
assert frame.dst_addr == GroupAddress(0)
assert frame.payload == GroupValueRead()
assert frame.tpci == TDataGroup()
assert packet_len == 11
assert frame.calculated_length() == 11
assert frame.to_knx() == raw
def test_invalid_apdu_len():
"""Test for invalid apdu len."""
frame = CEMIFrame()
with pytest.raises(CouldNotParseKNXIP, match=r".*APDU LEN should be .*"):
frame.from_knx(get_data(0x29, 0, 0, 0, 0, 2, 0, []))
def test_from_knx_individual_address():
"""Test conversion for a cemi with a individual address as destination."""
frame = CEMIFrame()
frame.from_knx(get_data(0x29, 0, 0x00, 0, 0, 1, 0, []))
assert frame.dst_addr == IndividualAddress(0)
def test_from_knx_group_address():
"""Test conversion for a cemi with a group address as destination."""
frame = CEMIFrame()
frame.from_knx(get_data(0x29, 0, 0x80, 0, 0, 1, 0, []))
assert frame.dst_addr == GroupAddress(0)