screenshare/venv/lib/python3.12/site-packages/jeepney/io/tests/test_asyncio.py
2024-11-29 18:15:30 +00:00

92 lines
2.6 KiB
Python

import asyncio
import async_timeout
import pytest
import pytest_asyncio
from jeepney import DBusAddress, new_method_call
from jeepney.bus_messages import message_bus, MatchRule
from jeepney.io.asyncio import (
open_dbus_connection, open_dbus_router, Proxy
)
from .utils import have_session_bus
pytestmark = [
pytest.mark.asyncio,
pytest.mark.skipif(
not have_session_bus, reason="Tests require DBus session bus"
),
]
bus_peer = DBusAddress(
bus_name='org.freedesktop.DBus',
object_path='/org/freedesktop/DBus',
interface='org.freedesktop.DBus.Peer'
)
@pytest_asyncio.fixture()
async def connection():
async with (await open_dbus_connection(bus='SESSION')) as conn:
yield conn
async def test_connect(connection):
assert connection.unique_name.startswith(':')
@pytest_asyncio.fixture()
async def router():
async with open_dbus_router(bus='SESSION') as router:
yield router
async def test_send_and_get_reply(router):
ping_call = new_method_call(bus_peer, 'Ping')
reply = await asyncio.wait_for(
router.send_and_get_reply(ping_call), timeout=5
)
assert reply.body == ()
async def test_proxy(router):
proxy = Proxy(message_bus, router)
name = "io.gitlab.takluyver.jeepney.examples.Server"
res = await proxy.RequestName(name)
assert res in {(1,), (2,)} # 1: got the name, 2: queued
has_owner, = await proxy.NameHasOwner(name)
assert has_owner is True
async def test_filter(router):
bus = Proxy(message_bus, router)
name = "io.gitlab.takluyver.jeepney.tests.asyncio_test_filter"
match_rule = MatchRule(
type="signal",
sender=message_bus.bus_name,
interface=message_bus.interface,
member="NameOwnerChanged",
path=message_bus.object_path,
)
match_rule.add_arg_condition(0, name)
# Ask the message bus to subscribe us to this signal
await bus.AddMatch(match_rule)
with router.filter(match_rule) as queue:
res, = await bus.RequestName(name)
assert res == 1 # 1: got the name
signal_msg = await asyncio.wait_for(queue.get(), timeout=2.0)
assert signal_msg.body == (name, '', router.unique_name)
async def test_recv_after_connect():
# Can't use here:
# 1. 'connection' fixture
# 2. asyncio.wait_for()
# If (1) and/or (2) is used, the error won't be triggered.
conn = await open_dbus_connection(bus='SESSION')
try:
with pytest.raises(asyncio.TimeoutError):
async with async_timeout.timeout(0):
await conn.receive()
finally:
await conn.close()