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"""Unit test for KNX/IP DisconnectRequest objects."""
import pytest
from xknx.exceptions import CouldNotParseKNXIP
from xknx.knxip import HPAI, DisconnectRequest, KNXIPFrame
class TestKNXIPDisconnectRequest:
"""Test class for KNX/IP DisconnectRequest objects."""
def test_disconnect_request(self) -> None:
"""Test parsing and streaming DisconnectRequest KNX/IP packet."""
raw = bytes.fromhex("06 10 02 09 00 10 15 00 08 01 C0 A8 C8 0C C3 B4")
knxipframe, _ = KNXIPFrame.from_knx(raw)
assert isinstance(knxipframe.body, DisconnectRequest)
assert knxipframe.body.communication_channel_id == 21
assert knxipframe.body.control_endpoint == HPAI(
ip_addr="192.168.200.12", port=50100
)
disconnect_request = DisconnectRequest(
communication_channel_id=21,
control_endpoint=HPAI(ip_addr="192.168.200.12", port=50100),
)
knxipframe2 = KNXIPFrame.init_from_body(disconnect_request)
assert knxipframe2.to_knx() == raw
def test_from_knx_wrong_length(self) -> None:
"""Test parsing and streaming wrong DisconnectRequest."""
raw = bytes((0x06, 0x10, 0x02, 0x09, 0x00, 0x10))
with pytest.raises(CouldNotParseKNXIP):
KNXIPFrame.from_knx(raw)
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