dbus-fast/tests/test_disconnect.py
pre-commit-ci[bot] bfc8151005
chore(pre-commit.ci): pre-commit autoupdate (#427)
* chore(pre-commit.ci): pre-commit autoupdate

updates:
- [github.com/astral-sh/ruff-pre-commit: v0.1.0 → v0.11.0](https://github.com/astral-sh/ruff-pre-commit/compare/v0.1.0...v0.11.0)

* chore(pre-commit.ci): auto fixes

* chore: fix violations

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: J. Nick Koston <nick@koston.org>
2025-03-17 11:01:24 -10:00

80 lines
2.1 KiB
Python

import asyncio
from unittest.mock import patch
import pytest
from dbus_fast import Message
from dbus_fast.aio import MessageBus
@pytest.mark.asyncio
async def test_bus_disconnect_before_reply(event_loop):
"""In this test, the bus disconnects before the reply comes in. Make sure
the caller receives a reply with the error instead of hanging."""
bus = MessageBus()
assert not bus.connected
await bus.connect()
assert bus.connected
with patch.object(bus._writer, "_write_without_remove_writer"):
ping = bus.call(
Message(
destination="org.freedesktop.DBus",
path="/org/freedesktop/DBus",
interface="org.freedesktop.DBus",
member="Ping",
)
)
event_loop.call_soon(bus.disconnect)
with pytest.raises((EOFError, BrokenPipeError)):
await ping
assert bus._disconnected
assert not bus.connected
assert (await bus.wait_for_disconnect()) is None
# Let the exception propagate to the event loop
# so the next test does not fail
await asyncio.sleep(0)
await asyncio.sleep(0)
@pytest.mark.asyncio
async def test_unexpected_disconnect(event_loop):
bus = MessageBus()
class FakeSocket:
def send(self, *args, **kwargs):
raise OSError
assert not bus.connected
await bus.connect()
assert bus.connected
with (
patch.object(bus._writer, "_write_without_remove_writer"),
patch.object(bus._writer, "sock", FakeSocket()),
):
ping = bus.call(
Message(
destination="org.freedesktop.DBus",
path="/org/freedesktop/DBus",
interface="org.freedesktop.DBus",
member="Ping",
)
)
with pytest.raises(OSError):
await ping
assert bus._disconnected
assert not bus.connected
with pytest.raises(OSError):
await bus.wait_for_disconnect()
bus.disconnect()
with pytest.raises(OSError):
await bus.wait_for_disconnect()