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"""Unit test for KNX/IP ConnectRequests."""
import pytest
from xknx.exceptions import CouldNotParseKNXIP
from xknx.knxip import (
HPAI,
ConnectRequest,
ConnectRequestInformation,
ConnectRequestType,
KNXIPFrame,
TunnellingLayer,
)
from xknx.telegram import IndividualAddress
class TestKNXIPConnectRequest:
"""Test class for KNX/IP ConnectRequests."""
def test_tunnel_connect_request(self) -> None:
"""Test parsing and streaming connection request KNX/IP packet."""
raw = bytes.fromhex(
"06 10 02 05 00 1A 08 01 C0 A8 2A 01 84 95 08 01"
"C0 A8 2A 01 CC A9 04 04 02 00"
)
knxipframe, _ = KNXIPFrame.from_knx(raw)
assert isinstance(knxipframe.body, ConnectRequest)
assert knxipframe.body.control_endpoint == HPAI(
ip_addr="192.168.42.1", port=33941
)
assert knxipframe.body.data_endpoint == HPAI(ip_addr="192.168.42.1", port=52393)
assert (
knxipframe.body.cri.connection_type is ConnectRequestType.TUNNEL_CONNECTION
)
assert knxipframe.body.cri.knx_layer is TunnellingLayer.DATA_LINK_LAYER
assert knxipframe.body.cri.individual_address is None
cri = ConnectRequestInformation(
connection_type=ConnectRequestType.TUNNEL_CONNECTION,
knx_layer=TunnellingLayer.DATA_LINK_LAYER,
individual_address=None,
)
connect_request = ConnectRequest(
control_endpoint=HPAI(ip_addr="192.168.42.1", port=33941),
data_endpoint=HPAI(ip_addr="192.168.42.1", port=52393),
cri=cri,
)
knxipframe2 = KNXIPFrame.init_from_body(connect_request)
assert knxipframe2.to_knx() == raw
def test_mgmt_connect_request(self) -> None:
"""Test parsing and streaming connection request KNX/IP packet."""
raw = bytes.fromhex(
"06 10 02 05 00 18 08 01 C0 A8 2A 01 84 95 08 01 C0 A8 2A 01 CC A9 02 03"
)
knxipframe, _ = KNXIPFrame.from_knx(raw)
assert isinstance(knxipframe.body, ConnectRequest)
assert knxipframe.body.control_endpoint == HPAI(
ip_addr="192.168.42.1", port=33941
)
assert knxipframe.body.data_endpoint == HPAI(ip_addr="192.168.42.1", port=52393)
assert (
knxipframe.body.cri.connection_type
is ConnectRequestType.DEVICE_MGMT_CONNECTION
)
assert knxipframe.body.cri.individual_address is None
cri = ConnectRequestInformation(
connection_type=ConnectRequestType.DEVICE_MGMT_CONNECTION,
individual_address=None,
)
connect_request = ConnectRequest(
control_endpoint=HPAI(ip_addr="192.168.42.1", port=33941),
data_endpoint=HPAI(ip_addr="192.168.42.1", port=52393),
cri=cri,
)
knxipframe2 = KNXIPFrame.init_from_body(connect_request)
assert knxipframe2.to_knx() == raw
def test_connect_request_extended_cri(self) -> None:
"""Test parsing and streaming connection request KNX/IP packet."""
raw = bytes.fromhex(
"06 10 02 05 00 1C 08 01 C0 A8 2A 01 84 95 08 01"
"C0 A8 2A 01 CC A9 06 04 02 00 01 02"
)
knxipframe, _ = KNXIPFrame.from_knx(raw)
assert isinstance(knxipframe.body, ConnectRequest)
assert knxipframe.body.control_endpoint == HPAI(
ip_addr="192.168.42.1", port=33941
)
assert knxipframe.body.data_endpoint == HPAI(ip_addr="192.168.42.1", port=52393)
assert (
knxipframe.body.cri.connection_type is ConnectRequestType.TUNNEL_CONNECTION
)
assert knxipframe.body.cri.knx_layer is TunnellingLayer.DATA_LINK_LAYER
assert knxipframe.body.cri.individual_address == IndividualAddress("0.1.2")
cri = ConnectRequestInformation(
connection_type=ConnectRequestType.TUNNEL_CONNECTION,
knx_layer=TunnellingLayer.DATA_LINK_LAYER,
individual_address=IndividualAddress("0.1.2"),
)
connect_request = ConnectRequest(
control_endpoint=HPAI(ip_addr="192.168.42.1", port=33941),
data_endpoint=HPAI(ip_addr="192.168.42.1", port=52393),
cri=cri,
)
knxipframe2 = KNXIPFrame.init_from_body(connect_request)
assert knxipframe2.to_knx() == raw
def test_from_knx_wrong_length_of_cri(self) -> None:
"""Test parsing and streaming wrong ConnectRequest."""
raw = bytes.fromhex(
"06 10 02 05 00 1A 08 01 C0 A8 2A 01 84 95 08 01"
"C0 A8 2A 01 CC A9 02 04 02 00"
)
with pytest.raises(CouldNotParseKNXIP):
KNXIPFrame.from_knx(raw)
def test_from_knx_wrong_length_of_cri2(self) -> None:
"""Test parsing and streaming wrong ConnectRequest."""
raw = bytes.fromhex(
"06 10 02 05 00 18 08 01 C0 A8 2A 01 84 95 08 01"
+ "C0 A8 2A 01 CC A9 03 03"
)
with pytest.raises(CouldNotParseKNXIP):
KNXIPFrame.from_knx(raw)
def test_from_knx_wrong_length_of_cri3(self) -> None:
"""Test parsing and streaming wrong ConnectRequest."""
raw = bytes.fromhex(
"06 10 02 05 00 18 08 01 C0 A8 2A 01 84 95 08 01"
+ "C0 A8 2A 01 CC A9 01 03"
)
with pytest.raises(CouldNotParseKNXIP):
KNXIPFrame.from_knx(raw)
def test_from_knx_wrong_length_of_cri4(self) -> None:
"""Test parsing and streaming wrong ConnectRequest."""
raw = bytes.fromhex(
"06 10 02 05 00 19 08 01 C0 A8 2A 01 84 95 08 01"
+ "C0 A8 2A 01 CC A9 03 03 01"
)
with pytest.raises(CouldNotParseKNXIP):
KNXIPFrame.from_knx(raw)
def test_from_knx_wrong_cri(self) -> None:
"""Test parsing and streaming wrong ConnectRequest."""
raw = bytes.fromhex(
"06 10 02 05 00 1A 08 01 C0 A8 2A 01 84 95 08 01"
+ "C0 A8 2A 01 CC A9 04 04 02"
)
with pytest.raises(CouldNotParseKNXIP):
KNXIPFrame.from_knx(raw)
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