def test_object_wrong_property(dbus_service):
"""
Try to get an inexistent property and verify that an error is returned.
"""
interface = 'com.example.interface1'
addr = DBusAddress('/path', dbus_service.name, interface=interface)
dbus_service.listen()
conn = connect_and_authenticate()
with pytest.raises(DBusErrorResponse):
conn.send_and_get_reply(Properties(addr).get('prop'))
def test_object_get_property(dbus_service):
"""
Set and get properties from a dbus object.
"""
interface = 'com.example.interface1'
add0 = DBusAddress('/path', dbus_service.name, interface=interface)
add1 = DBusAddress('/path/subpath', dbus_service.name, interface=interface)
dbus_service.set_property(add0.object_path, 'prop0', 's', ('hello0',),
add0.interface)
dbus_service.set_property(add1.object_path, 'prop1', 's', ('hello1',),
add1.interface)
dbus_service.listen()
conn = connect_and_authenticate()
response = conn.send_and_get_reply(Properties(add0).get('prop0'))
assert response == ('hello0', )
response = conn.send_and_get_reply(Properties(add1).get('prop1'))
assert response == ('hello1', )
async def addTrack(self, track):
trackIdTail = "/org/mpris/MediaPlayer2/TrackList/Append"
# Resume playing if necessary
properties = Proxy(Properties(Player()), self.router)
status = await properties.get("PlaybackStatus")
resume = status[0] == ("s", "Stopped")
self.tracks.append(track)
tracklist = Proxy(TrackList(), self.router)
message = tracklist.AddTrack(track.url, trackIdTail, resume)
await self.notifyListChange(message)
return self.tracks
async def notifyListChange(self, message=None):
# Regenerate etag
self.uuid = uuid4()
# Send request to change the tracklist
if message:
await message
# Read tracklist again to match player's track id with our tracklist
properties = Proxy(Properties(TrackList()), self.router)
tracks = await properties.get("Tracks")
print("Tracklist has changed: {}".format(repr(tracks)))
# Notify subscribers with new tracklist
state = QueueState(self)
await asyncio.gather(*[client.put(state) for client in self.listeners])
def test_object_get_all_properties(dbus_service):
"""
Get all properties from a dbus object.
"""
interface = 'com.example.interface1'
addr = DBusAddress('/path', dbus_service.name, interface=interface)
dbus_service.set_property(addr.object_path, 'prop0', 's', 'hello0',
addr.interface)
dbus_service.set_property(addr.object_path, 'prop1', 's', 'hello1',
addr.interface)
dbus_service.set_property(addr.object_path, 'prop2', 's', 'hello2',
addr.interface)
dbus_service.listen()
conn = connect_and_authenticate()
response = conn.send_and_get_reply(Properties(addr).get_all())
assert response == ([('prop0', ('s', 'hello0')),
('prop1', ('s', 'hello1')),
('prop2', ('s', 'hello2'))], )
def test_object_set_readonly_property(dbus_service):
"""
Try to set the value for a readonly property and check that a permissions
error is returned.
"""
name = 'someprop'
value = ('somevalue',)
path = '/'
interface = 'some.interface'
prop = DBusProperty(name, 's', value, access='read')
dbus_service.interfaces[(path, interface)].properties[name] = prop
dbus_service.listen()
conn = connect_and_authenticate()
addr = DBusAddress(path, dbus_service.name, interface)
msg = Properties(addr).set(name, 's', 'anothervalue')
with pytest.raises(DBusErrorResponse) as err:
conn.send_and_get_reply(msg)
assert err.value.name == 'com.example.object.exceptions.PermissionError'
assert err.value.data == (f'{name}: Property not settable',)
# check that the original property hasn't changed
assert prop.value == value
def set_property(self, name: str, signature: str, value: Any) -> None:
msg = Properties(self).set(name, signature, value)
self.send_and_get_reply(msg)
def get_property(self, name: str) -> Any:
msg = Properties(self).get(name)
(signature, value), = self.send_and_get_reply(msg)
return value