def connect_advanced_test(self):
"""Advanced test for observer connect."""
dbus = Mock()
observer = DBusObserver(dbus, "SERVICE")
self._setup_observer(observer)
observer.connect_once_available()
dbus.connection.watch_name.assert_called_once()
self.assertFalse(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
self._make_service_available(observer)
observer._service_name_appeared_callback()
self.assertTrue(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
observer._service_name_vanished_callback()
self._test_if_service_unavailable(observer)
observer.disconnect()
dbus.connection.unwatch_name.assert_called_once()
self.assertFalse(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
def connect_failed_test(self, proxy_getter):
"""Test observer connect failed."""
observer = DBusObserver("SERVICE")
self._setup_observer(observer)
proxy = Mock()
proxy.NameHasOwner.return_value = False
proxy_getter.return_value = proxy
with self.assertRaises(DBusObserverError):
observer.connect()
def connect_failed_test(self):
"""Test observer connect failed."""
dbus = Mock()
observer = DBusObserver(dbus, "SERVICE")
self._setup_observer(observer)
proxy = Mock()
proxy.NameHasOwner.return_value = False
dbus.get_dbus_proxy.return_value = proxy
with self.assertRaises(DBusObserverError):
observer.connect()
def connect_failed_test(self):
"""Test observer connect failed."""
dbus = Mock()
observer = DBusObserver(dbus, "SERVICE")
self._setup_observer(observer)
proxy = Mock()
proxy.NameHasOwner.return_value = False
dbus.get_dbus_proxy.return_value = proxy
with self.assertRaises(DBusObserverError):
observer.connect()
def connect_test(self):
"""Test observer connect."""
dbus = Mock()
observer = DBusObserver(dbus, "SERVICE")
self._setup_observer(observer)
observer.connect()
dbus.connection.watch_name.assert_called_once()
self._test_if_service_available(observer)
observer.disconnect()
dbus.connection.unwatch_name.assert_called_once()
self._test_if_service_unavailable(observer)
def connect_advanced_test(self, _proxy_getter, watch, unwatch):
"""Advanced test for observer connect."""
observer = DBusObserver("SERVICE")
self._setup_observer(observer)
observer.connect()
watch.assert_called_once()
self._test_if_service_available(observer)
observer._service_name_appeared_callback()
self.assertTrue(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
observer._service_name_vanished_callback()
self._test_if_service_unavailable(observer)
observer.disconnect()
unwatch.assert_called_once()
self.assertFalse(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
def connect_test(self, gio):
"""Test Gio support for watching names."""
dbus = Mock()
observer = DBusObserver(dbus, "my.service")
self._setup_observer(observer)
# Connect the observer.
observer.connect_once_available()
# Check the call.
gio.bus_watch_name_on_connection.assert_called_once()
args, kwargs = gio.bus_watch_name_on_connection.call_args
self.assertEqual(len(args), 5)
self.assertEqual(len(kwargs), 0)
self.assertEqual(args[0], dbus.connection)
self.assertEqual(args[1], "my.service")
self.assertEqual(args[2], DBUS_FLAG_NONE)
name_appeared_closure = args[3]
self.assertTrue(callable(name_appeared_closure))
name_vanished_closure = args[4]
self.assertTrue(callable(name_vanished_closure))
# Check the subscription.
subscription_id = gio.bus_watch_name_on_connection.return_value
self.assertEqual(len(observer._subscriptions), 1)
# Check the observer.
self.assertFalse(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
# Call the name appeared closure.
name_appeared_closure(dbus.connection, "my.service", "name.owner")
self._test_if_service_available(observer)
# Call the name vanished closure.
name_vanished_closure(dbus.connection, "my.service")
self._test_if_service_unavailable(observer)
# Call the name appeared closure again.
name_appeared_closure(dbus.connection, "my.service", "name.owner")
self._test_if_service_available(observer)
# Disconnect the observer.
observer.disconnect()
gio.bus_unwatch_name.assert_called_once_with(
subscription_id
)
self._test_if_service_unavailable(observer)
self.assertEqual(observer._subscriptions, [])
def connect_test(self, _proxy_getter, watch, unwatch):
"""Test observer connect."""
observer = DBusObserver("SERVICE")
self._setup_observer(observer)
observer.connect()
watch.assert_called_once()
self._test_if_service_available(observer)
observer.disconnect()
unwatch.assert_called_once()
self._test_if_service_unavailable(observer)
def connect_advanced_test(self):
"""Advanced test for observer connect."""
dbus = Mock()
observer = DBusObserver(dbus, "SERVICE")
self._setup_observer(observer)
observer.connect()
dbus.connection.watch_name.assert_called_once()
self._test_if_service_available(observer)
observer._service_name_appeared_callback()
self.assertTrue(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
observer._service_name_vanished_callback()
self._test_if_service_unavailable(observer)
observer.disconnect()
dbus.connection.unwatch_name.assert_called_once()
self.assertFalse(observer.is_service_available)
observer._service_available.emit.assert_not_called() # pylint: disable=no-member
observer._service_unavailable.emit.assert_not_called() # pylint: disable=no-member
def connect_test(self):
"""Test observer connect."""
dbus = Mock()
observer = DBusObserver(dbus, "SERVICE")
self._setup_observer(observer)
observer.connect()
dbus.connection.watch_name.assert_called_once()
self._test_if_service_available(observer)
observer.disconnect()
dbus.connection.unwatch_name.assert_called_once()
self._test_if_service_unavailable(observer)
def observer_test(self):
"""Test the observer."""
observer = DBusObserver("SERVICE")
self._setup_observer(observer)
self._make_service_available(observer)
self._make_service_unavailable(observer)