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Direktori : /lib/python3/dist-packages/jeepney/io/tests/ |
Current File : //lib/python3/dist-packages/jeepney/io/tests/test_asyncio.py |
import asyncio import async_timeout import pytest 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.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.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()