def testFilterByNumber(self):
        root = TestEntityGroupRoot(id="root")
        TestModel(parent=root.key).put()
        TestModel(number=17, parent=root.key).put()
        query = TestModel.query(ancestor=root.key).filter(
            TestModel.number == 42)
        results = query.fetch(2)
        self.assertEqual(1, len(results))
        self.assertEqual(42, results[0].number)
    # [END datastore_example_filter]

    # [START datastore_example_memcache]
dataset/ETHPy150Open GoogleCloudPlatform/python-docs-samples/appengine/localtesting/datastore_test.py/DatastoreTestCase.testFilterByNumber/original