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"""Core testing functionality."""
import asyncio
from collections.abc import AsyncGenerator
from typing import Any
import pytest
from pypck.connection import PchkConnectionManager
from pypck.lcn_addr import LcnAddr
from pypck.module import ModuleConnection
from pypck.pck_commands import PckGenerator
from .mock_pchk import MockPchkServer
HOST = "127.0.0.1"
PORT = 4114
USERNAME = "lcn_username"
PASSWORD = "lcn_password"
class MockPchkConnectionManager(PchkConnectionManager):
"""Mock the PchkConnectionManager."""
def __init__(self, *args: Any, **kwargs: Any):
"""Construct mock for PchkConnectionManager."""
self.data_received: list[str] = []
super().__init__(*args, **kwargs)
async def process_message(self, message: str) -> None:
"""Process incoming message."""
await super().process_message(message)
self.data_received.append(message)
async def received(
self, message: str, timeout: int = 5, remove: bool = True
) -> bool:
"""Return if given message was received."""
async def receive_loop(data: str, remove: bool) -> None:
while data not in self.data_received:
await asyncio.sleep(0.05)
if remove:
self.data_received.remove(data)
try:
await asyncio.wait_for(receive_loop(message, remove), timeout=timeout)
return True
except asyncio.TimeoutError:
return False
def encode_pck(pck: str) -> bytes:
"""Encode the given PCK string as PCK binary string."""
return (pck + PckGenerator.TERMINATION).encode()
@pytest.fixture
async def pchk_server() -> AsyncGenerator[MockPchkServer, None]:
"""Create a fake PchkServer and run."""
pchk_server = MockPchkServer(
host=HOST, port=PORT, username=USERNAME, password=PASSWORD
)
await pchk_server.run()
yield pchk_server
await pchk_server.stop()
@pytest.fixture
async def pypck_client() -> AsyncGenerator[PchkConnectionManager, None]:
"""Create a PchkConnectionManager for testing.
Create a PchkConnection Manager for testing. Add a received coroutine method
which returns if the specified message was received (and processed).
"""
pcm = MockPchkConnectionManager(
HOST, PORT, USERNAME, PASSWORD, settings={"SK_NUM_TRIES": 0}
)
yield pcm
await pcm.async_close()
assert len(pcm.task_registry.tasks) == 0
@pytest.fixture
async def module10(
pypck_client: PchkConnectionManager,
) -> AsyncGenerator[ModuleConnection, None]:
"""Create test module with addr_id 10."""
lcn_addr = LcnAddr(0, 10, False)
module = pypck_client.get_module_conn(lcn_addr)
yield module
await module.cancel_requests()
@pytest.fixture
async def pchk_server_2() -> AsyncGenerator[MockPchkServer, None]:
"""Create a fake PchkServer and run."""
pchk_server = MockPchkServer(
host=HOST, port=PORT + 1, username=USERNAME, password=PASSWORD
)
await pchk_server.run()
yield pchk_server
await pchk_server.stop()
@pytest.fixture
async def pypck_client_2() -> AsyncGenerator[PchkConnectionManager, None]:
"""Create a PchkConnectionManager for testing.
Create a PchkConnection Manager for testing. Add a received coroutine method
which returns if the specified message was received (and processed).
"""
pcm = MockPchkConnectionManager(
HOST, PORT + 1, USERNAME, PASSWORD, settings={"SK_NUM_TRIES": 0}
)
yield pcm
await pcm.async_close()
assert len(pcm.task_registry.tasks) == 0
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