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"""Unit test for KNX/IP ConnectionState Request/Response."""
from unittest.mock import patch
from xknx.io.request_response import ConnectionState
from xknx.io.transport import UDPTransport
from xknx.knxip import (
HPAI,
ConnectionStateRequest,
ConnectionStateResponse,
ErrorCode,
KNXIPFrame,
)
class TestConnectionState:
"""Test class for xknx/io/ConnectionState objects."""
async def test_connectionstate(self) -> None:
"""Test connectionstateing from KNX bus."""
communication_channel_id = 23
udp_transport = UDPTransport(("192.168.1.1", 0), ("192.168.1.2", 1234))
local_hpai = HPAI(ip_addr="192.168.1.3", port=4321)
connectionstate = ConnectionState(
udp_transport, communication_channel_id, local_hpai=local_hpai
)
connectionstate.timeout_in_seconds = 0
assert connectionstate.awaited_response_class == ConnectionStateResponse
assert connectionstate.communication_channel_id == communication_channel_id
# Expected KNX/IP-Frame:
exp_knxipframe = KNXIPFrame.init_from_body(
ConnectionStateRequest(
communication_channel_id=communication_channel_id,
control_endpoint=local_hpai,
)
)
with (
patch("xknx.io.transport.UDPTransport.send") as mock_udp_send,
patch("xknx.io.transport.UDPTransport.getsockname") as mock_udp_getsockname,
):
mock_udp_getsockname.return_value = ("192.168.1.3", 4321)
await connectionstate.start()
mock_udp_send.assert_called_with(exp_knxipframe)
# Response KNX/IP-Frame with wrong type
wrong_knxipframe = KNXIPFrame.init_from_body(ConnectionStateRequest())
with patch("logging.Logger.warning") as mock_warning:
connectionstate.response_rec_callback(wrong_knxipframe, HPAI(), None)
mock_warning.assert_called_with("Could not understand knxipframe")
# Response KNX/IP-Frame with error:
err_knxipframe = KNXIPFrame.init_from_body(
ConnectionStateResponse(status_code=ErrorCode.E_CONNECTION_ID)
)
with patch("logging.Logger.debug") as mock_warning:
connectionstate.response_rec_callback(err_knxipframe, HPAI(), None)
mock_warning.assert_called_with(
"Error: KNX bus responded to request of type '%s' with error in '%s': %s",
type(connectionstate).__name__,
type(err_knxipframe.body).__name__,
ErrorCode.E_CONNECTION_ID,
)
# Correct Response KNX/IP-Frame:
res_knxipframe = KNXIPFrame.init_from_body(ConnectionStateResponse())
connectionstate.response_rec_callback(res_knxipframe, HPAI(), None)
assert connectionstate.success
async def test_connectionstate_route_back_true(self) -> None:
"""Test connectionstateing from KNX bus."""
communication_channel_id = 23
udp_transport = UDPTransport(("192.168.1.1", 0), ("192.168.1.2", 1234))
local_hpai = HPAI()
connectionstate = ConnectionState(
udp_transport, communication_channel_id, local_hpai=local_hpai
)
connectionstate.timeout_in_seconds = 0
assert connectionstate.awaited_response_class == ConnectionStateResponse
assert connectionstate.communication_channel_id == communication_channel_id
# Expected KNX/IP-Frame:
exp_knxipframe = KNXIPFrame.init_from_body(
ConnectionStateRequest(
communication_channel_id=communication_channel_id,
)
)
with (
patch("xknx.io.transport.UDPTransport.send") as mock_udp_send,
patch("xknx.io.transport.UDPTransport.getsockname") as mock_udp_getsockname,
):
mock_udp_getsockname.return_value = ("192.168.1.3", 4321)
await connectionstate.start()
mock_udp_send.assert_called_with(exp_knxipframe)
# Response KNX/IP-Frame with wrong type
wrong_knxipframe = KNXIPFrame.init_from_body(ConnectionStateRequest())
with patch("logging.Logger.warning") as mock_warning:
connectionstate.response_rec_callback(wrong_knxipframe, HPAI(), None)
mock_warning.assert_called_with("Could not understand knxipframe")
# Response KNX/IP-Frame with error:
err_knxipframe = KNXIPFrame.init_from_body(
ConnectionStateResponse(status_code=ErrorCode.E_CONNECTION_ID)
)
with patch("logging.Logger.debug") as mock_warning:
connectionstate.response_rec_callback(err_knxipframe, HPAI(), None)
mock_warning.assert_called_with(
"Error: KNX bus responded to request of type '%s' with error in '%s': %s",
type(connectionstate).__name__,
type(err_knxipframe.body).__name__,
ErrorCode.E_CONNECTION_ID,
)
# Correct Response KNX/IP-Frame:
res_knxipframe = KNXIPFrame.init_from_body(ConnectionStateResponse())
connectionstate.response_rec_callback(res_knxipframe, HPAI(), None)
assert connectionstate.success
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