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"""Unit test for KNX/IP DescriptionRequest objects."""
from xknx.knxip import HPAI, DescriptionRequest, KNXIPFrame
class TestKNXIPDescriptionRequest:
"""Test class for KNX/IP DescriptionRequest objects."""
def test_description_request(self) -> None:
"""Test parsing and streaming DescriptionRequest KNX/IP packet."""
raw = bytes.fromhex("06 10 02 03 00 0E 08 01 7F 00 00 02 0E 57")
knxipframe, _ = KNXIPFrame.from_knx(raw)
assert isinstance(knxipframe.body, DescriptionRequest)
assert knxipframe.body.control_endpoint == HPAI(ip_addr="127.0.0.2", port=3671)
knxipframe2 = KNXIPFrame.init_from_body(
DescriptionRequest(control_endpoint=HPAI(ip_addr="127.0.0.2", port=3671))
)
assert knxipframe2.to_knx() == raw
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