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"""Unit test for TPCI objects."""
import pytest
from xknx.exceptions import ConversionError
from xknx.telegram.tpci import (
TPCI,
TAck,
TConnect,
TDataBroadcast,
TDataConnected,
TDataGroup,
TDataIndividual,
TDataTagGroup,
TDisconnect,
TNak,
)
@pytest.mark.parametrize(
("tpci_int", "dst_is_group_address", "dst_is_zero", "tpci_expected"),
[
(0b00000000, True, False, TDataGroup()),
(0b00000000, True, True, TDataBroadcast()),
(0b00000100, True, False, TDataTagGroup()),
(0b00000000, False, False, TDataIndividual()),
(0b00000000, False, True, TDataIndividual()),
(0b01011100, False, False, TDataConnected(sequence_number=0b0111)),
(0b10000000, False, False, TConnect()),
(0b10000000, False, True, TConnect()),
(0b10000001, False, False, TDisconnect()),
(0b11101010, False, False, TAck(sequence_number=10)),
(0b11010011, False, False, TNak(sequence_number=4)),
],
)
def test_tpci_resolve_encode(
tpci_int: int, dst_is_group_address: bool, dst_is_zero: bool, tpci_expected: TPCI
) -> None:
"""Test resolving and encoding TPCI classes."""
assert (
TPCI.resolve(
raw_tpci=tpci_int,
dst_is_group_address=dst_is_group_address,
dst_is_zero=dst_is_zero,
)
== tpci_expected
)
assert tpci_expected.to_knx() == tpci_int
@pytest.mark.parametrize("dst_is_zero", [True, False])
@pytest.mark.parametrize(
("tpci_int", "dst_is_group_address"),
[
# sequence_number for non-numbered
(0b00100000, True),
(0b00001000, False),
(0b10000100, True),
(0b10000100, False),
# numbered for group addressed
(0b01000000, True),
],
)
def test_invalid_tpci(
tpci_int: int, dst_is_group_address: bool, dst_is_zero: bool
) -> None:
"""Test resolving TPCI classes."""
with pytest.raises(ConversionError):
TPCI.resolve(
raw_tpci=tpci_int,
dst_is_group_address=dst_is_group_address,
dst_is_zero=dst_is_zero,
)
def test_equality() -> None:
"""Test equality."""
assert TDataGroup() == TDataGroup()
assert TDataGroup() != TDataIndividual()
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