def test_handler_passed_to_gio(self, monkeypatch):
"""Test if handler is correctly passed to Gio"""
monkeypatch.setattr(Gio.DBusConnection, 'new_for_address_sync',
Mock(return_value=Gio.DBusConnection()))
signal_subscribe_mock = Mock()
monkeypatch.setattr(Gio.DBusConnection, 'signal_subscribe',
signal_subscribe_mock)
conn = Connection()
conn.connect_dbus()
test_cb = Mock()
conn.signal_subscribe(test_cb)
# test that Gio's signal_subscribe method is called once
# and passed the callback as-is
signal_subscribe_mock.assert_called_once()
# pylint does not recognize Mock.call_args as sequence and won't
# allow us to unpack it. Disabling the warning because we know what
# we're doing here
# pylint: disable=unpacking-non-sequence
args, _ = signal_subscribe_mock.call_args
assert args[6] == test_cb
def test_gio_error_is_converted(self, monkeypatch):
"""Test if handler is correctly passed to Gio"""
monkeypatch.setattr(Gio.DBusConnection, 'new_for_address_sync',
Mock(return_value=Gio.DBusConnection()))
monkeypatch.setattr(Gio.DBusConnection, 'signal_subscribe',
Mock(side_effect=GLib.GError('Boom!')))
conn = Connection()
conn.connect_dbus()
test_cb = Mock()
with pytest.raises(ConnectionError):
conn.signal_subscribe(test_cb)