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"""Connection tests."""
import asyncio
from unittest.mock import AsyncMock, Mock, call, patch
import pytest
from pypck.connection import (
PchkAuthenticationError,
PchkConnectionFailedError,
PchkConnectionManager,
PchkConnectionRefusedError,
PchkLicenseError,
)
from pypck.lcn_addr import LcnAddr
from pypck.lcn_defs import AcknowledgeErrorCode, LcnEvent
from pypck.pck_commands import PckGenerator
from pypck import inputs
from .conftest import HOST, PASSWORD, PORT, USERNAME, MockPchkConnectionManager
async def test_close_without_connect(pypck_client: MockPchkConnectionManager) -> None:
"""Test closing of PchkConnectionManager without connecting."""
await pypck_client.async_close()
@patch.object(PchkConnectionManager, "open_connection")
@patch.object(PchkConnectionManager, "scan_segment_couplers")
async def test_async_connect(
mock_scan_segment_couplers: AsyncMock,
mock_open_connection: AsyncMock,
) -> None:
"""Test successful connection."""
pypck_client = PchkConnectionManager(HOST, PORT, USERNAME, PASSWORD)
connect_task = asyncio.create_task(pypck_client.async_connect())
await asyncio.sleep(0)
pypck_client.license_error_future.set_result(True)
pypck_client.authentication_completed_future.set_result(True)
pypck_client.segment_scan_completed_event.set()
await connect_task
mock_scan_segment_couplers.assert_awaited()
mock_open_connection.assert_awaited()
assert pypck_client.is_ready()
@patch.object(PchkConnectionManager, "ping")
@patch.object(PchkConnectionManager, "open_connection")
@patch.object(PchkConnectionManager, "scan_segment_couplers")
@patch.object(PchkConnectionManager, "send_command")
async def test_successful_connection_procedure(
mock_send_command: AsyncMock,
mock_scan_segment_couplers: AsyncMock,
mock_open_connection: AsyncMock,
mock_ping: AsyncMock,
) -> None:
"""Test successful connection procedure."""
pypck_client = PchkConnectionManager(HOST, PORT, USERNAME, PASSWORD)
connect_task = asyncio.create_task(pypck_client.async_connect())
await asyncio.sleep(0)
await pypck_client.async_process_input(inputs.AuthUsername())
mock_send_command.assert_awaited_with(USERNAME, to_host=True)
await pypck_client.async_process_input(inputs.AuthPassword())
mock_send_command.assert_awaited_with(PASSWORD, to_host=True)
await pypck_client.async_process_input(inputs.AuthOk())
mock_send_command.assert_awaited_with(PckGenerator.set_dec_mode(), to_host=True)
assert pypck_client.authentication_completed_future.result()
await pypck_client.async_process_input(inputs.DecModeSet())
mock_send_command.assert_awaited_with(
PckGenerator.set_operation_mode(
pypck_client.dim_mode, pypck_client.status_mode
),
to_host=True,
)
assert pypck_client.license_error_future.result()
await connect_task
mock_open_connection.assert_awaited()
mock_scan_segment_couplers.assert_awaited()
mock_ping.assert_awaited()
@pytest.mark.parametrize("side_effect", [ConnectionRefusedError, OSError])
async def test_connection_error(side_effect: ConnectionRefusedError | OSError) -> None:
"""Test connection error."""
with (
patch.object(PchkConnectionManager, "open_connection", side_effect=side_effect),
pytest.raises(PchkConnectionRefusedError),
):
pypck_client = PchkConnectionManager(HOST, PORT, USERNAME, PASSWORD)
await pypck_client.async_connect()
@patch.object(PchkConnectionManager, "open_connection")
async def test_authentication_error(mock_open_connection: AsyncMock) -> None:
"""Test wrong login credentials."""
pypck_client = PchkConnectionManager(HOST, PORT, USERNAME, PASSWORD)
connect_task = asyncio.create_task(pypck_client.async_connect())
await asyncio.sleep(0)
await pypck_client.async_process_input(inputs.AuthFailed())
with (
pytest.raises(PchkAuthenticationError),
):
await connect_task
@patch.object(PchkConnectionManager, "open_connection")
async def test_license_error(mock_open_connection: AsyncMock) -> None:
"""Test wrong login credentials."""
pypck_client = PchkConnectionManager(HOST, PORT, USERNAME, PASSWORD)
connect_task = asyncio.create_task(pypck_client.async_connect())
await asyncio.sleep(0)
await pypck_client.async_process_input(inputs.LicenseError())
with (
pytest.raises(PchkLicenseError),
):
await connect_task
@patch.object(PchkConnectionManager, "open_connection")
async def test_timeout_error(mock_open_connection: AsyncMock) -> None:
"""Test timeout when connecting."""
with pytest.raises(PchkConnectionFailedError):
pypck_client = PchkConnectionManager(HOST, PORT, USERNAME, PASSWORD)
await pypck_client.async_connect(timeout=0)
async def test_lcn_connected(pypck_client: MockPchkConnectionManager) -> None:
"""Test lcn connected events."""
event_callback = Mock()
pypck_client.register_for_events(event_callback)
await pypck_client.async_connect()
# bus disconnected
await pypck_client.async_process_input(inputs.LcnConnState(is_lcn_connected=False))
assert not pypck_client.is_lcn_connected
event_callback.assert_has_calls(
(call(LcnEvent.BUS_CONNECTION_STATUS_CHANGED), call(LcnEvent.BUS_DISCONNECTED))
)
# bus connected
await pypck_client.async_process_input(inputs.LcnConnState(is_lcn_connected=True))
assert pypck_client.is_lcn_connected
event_callback.assert_has_calls(
(call(LcnEvent.BUS_CONNECTION_STATUS_CHANGED), call(LcnEvent.BUS_CONNECTED))
)
async def test_new_module_on_input(
pypck_client: MockPchkConnectionManager,
) -> None:
"""Test new module detection on serial input."""
await pypck_client.async_connect()
address = LcnAddr(0, 7, False)
assert address not in pypck_client.device_connections.keys()
await pypck_client.async_process_input(
inputs.ModAck(address, AcknowledgeErrorCode.OK)
)
assert address in pypck_client.device_connections.keys()
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