def test_sending_signals_between_buses():
bus1 = MessageBus().connect_sync()
bus2 = MessageBus().connect_sync()
add_match_msg = Message(destination='org.freedesktop.DBus',
path='/org/freedesktop/DBus',
interface='org.freedesktop.DBus',
member='AddMatch',
signature='s',
body=[f'sender={bus2.unique_name}'])
bus1.call_sync(add_match_msg)
main = GLib.MainLoop()
def wait_for_message():
ret = None
def message_handler(signal):
nonlocal ret
if signal.sender == bus2.unique_name:
ret = signal
bus1.remove_message_handler(message_handler)
main.quit()
bus1.add_message_handler(message_handler)
main.run()
return ret
bus2.send(
Message.new_signal('/org/test/path', 'org.test.interface', 'SomeSignal', 's', ['a signal']))
signal = wait_for_message()
assert signal.message_type == MessageType.SIGNAL
assert signal.path == '/org/test/path'
assert signal.interface == 'org.test.interface'
assert signal.member == 'SomeSignal'
assert signal.signature == 's'
assert signal.body == ['a signal']
async def test_sending_signals_between_buses():
async with MessageBus().connect() as bus1, \
MessageBus().connect() as bus2:
add_match_msg = Message(destination='org.freedesktop.DBus',
path='/org/freedesktop/DBus',
interface='org.freedesktop.DBus',
member='AddMatch',
signature='s',
body=[f'sender={bus2.unique_name}'])
await bus1.call(add_match_msg)
async def wait_for_message():
future = ValueEvent()
def message_handler(signal):
if signal.sender == bus2.unique_name:
bus1.remove_message_handler(message_handler)
future.set_result(signal)
bus1.add_message_handler(message_handler)
return await future
bus2.send(
Message.new_signal('/org/test/path', 'org.test.interface',
'SomeSignal', 's', ['a signal']))
signal = await wait_for_message()
assert signal.message_type == MessageType.SIGNAL
assert signal.path == '/org/test/path'
assert signal.interface == 'org.test.interface'
assert signal.member == 'SomeSignal'
assert signal.signature == 's'
assert signal.body == ['a signal']