Method _test_single_update

src/tests/observable_test.py:21–28

(self, source, observable)

        self._test_no_updates(observable)

    def _test_single_update(self, source, observable):
        observer = _StoringObserver()
        observable.subscribe(observer)

        message = 'test notification'
        source.push(message)

        return observer, message

    def test_single_update(self):
        observable = self.create_observable()