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"""Unit test for KNX/IP DescriptionResponse objects."""
from xknx.knxip import (
DescriptionResponse,
DIBDeviceInformation,
DIBServiceFamily,
DIBSuppSVCFamilies,
KNXIPFrame,
)
class TestKNXIPDescriptionResponse:
"""Test class for KNX/IP DescriptionResponse objects."""
def test_description_response(self) -> None:
"""Test parsing and streaming DescriptionResponse KNX/IP packet."""
raw = bytes.fromhex(
"06 10 02 04 00 48 36 01 02 00 10 00 00 00 00 08"
"2d 40 83 4d e0 00 17 0c 00 0a b3 27 4a 32 4b 4e"
"58 2f 49 50 2d 52 6f 75 74 65 72 00 00 00 00 00"
"00 00 00 00 00 00 00 00 00 00 00 00 0c 02 02 02"
"03 02 04 02 05 02 07 01",
)
knxipframe, rest = KNXIPFrame.from_knx(raw)
assert not rest
assert knxipframe.header.total_length == 72
assert knxipframe.to_knx() == raw
assert isinstance(knxipframe.body, DescriptionResponse)
assert len(knxipframe.body.dibs) == 2
# Specific testing of parsing and serializing of
# DIBDeviceInformation and DIBSuppSVCFamilies is
# done within knxip_dib_test.py
assert isinstance(knxipframe.body.dibs[0], DIBDeviceInformation)
assert isinstance(knxipframe.body.dibs[1], DIBSuppSVCFamilies)
assert knxipframe.body.device_name == "KNX/IP-Router"
assert knxipframe.body.dibs[1].supports(DIBServiceFamily.CORE, version=2)
assert knxipframe.body.dibs[1].supports(
DIBServiceFamily.DEVICE_MANAGEMENT, version=2
)
assert knxipframe.body.dibs[1].supports(DIBServiceFamily.ROUTING, version=2)
assert knxipframe.body.dibs[1].supports(DIBServiceFamily.TUNNELING, version=2)
assert knxipframe.body.dibs[1].supports(
DIBServiceFamily.REMOTE_CONFIGURATION_DIAGNOSIS
)
assert not knxipframe.body.dibs[1].supports(DIBServiceFamily.OBJECT_SERVER)
description_response = DescriptionResponse()
description_response.dibs.append(knxipframe.body.dibs[0])
description_response.dibs.append(knxipframe.body.dibs[1])
knxipframe2 = KNXIPFrame.init_from_body(description_response)
assert knxipframe2.to_knx() == raw
def test_unknown_device_name(self) -> None:
"""Test device_name if no DIBDeviceInformation is present."""
description_response = DescriptionResponse()
assert description_response.device_name == "UNKNOWN"
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