def test_module_observer(self):
"""Test the module observer."""
dbus = Mock()
observer = ModuleObserver(dbus, "my.test.module")
# Setup the observer.
self._setup_observer(observer)
assert observer._proxy is None
with pytest.raises(DBusObserverError):
observer.proxy.DoSomething()
# Service available.
self._make_service_available(observer)
assert observer._proxy is None
# Access the proxy.
observer.proxy.DoSomething()
dbus.get_proxy.assert_called_once_with("my.test.module",
"/my/test/module")
assert observer._proxy is not None
# Service unavailable.
self._make_service_unavailable(observer)
assert observer._proxy is None
with pytest.raises(DBusObserverError):
observer.proxy.DoSomething()
def _get_module_observer(self, service_path, module_proxy, available=True):
observer = ModuleObserver(Mock(), service_path)
observer._proxy = module_proxy
observer._is_service_available = available
return observer