Exemplo n.º 1
0
    def test_explicit_namespace(self):

        # create two departments with the same id which will be stored in different namespaces
        department1 = Department2(
            id="dept_id",
            namespace="namespace1",
            name="department in 'namespace1'",
        )

        department2 = Department2(
            id="dept_id",
            namespace="namespace2",
            name="department in 'namespace2'",
        )

        department3 = Department2(
            # no namespace here, so the default should be taken (supplied with ndb.enable_use_with_gcd())
            id="dept_id",
            name="department in 'namespace3'",
        )

        if USE_DATASTORE:
            from google.cloud import datastore
            from .gcloud_credentials import EmulatorCredentials

            client = datastore.Client(
                project=PROJECT,
                credentials=EmulatorCredentials(),
                namespace='namespace_xxx')  # set default namespace

            client.put(department1)
            client.put(department2)
            client.put(department3)

            key1 = ndb.Key(Department2,
                           "dept_id",
                           project=PROJECT,
                           namespace="namespace1")
            key2 = ndb.Key(Department2,
                           "dept_id",
                           project=PROJECT,
                           namespace="namespace2")
            key3 = ndb.Key(Department2,
                           "dept_id",
                           project=PROJECT,
                           namespace="namespace3")

            department1_from_db = client.get(key1)
            department2_from_db = client.get(key2)
            department3_from_db = client.get(key3)

            self.assertEqual(department1_from_db.name,
                             "department in 'namespace1'")
            self.assertEqual(department2_from_db.name,
                             "department in 'namespace2'")
            self.assertEqual(department3_from_db.name,
                             "department in 'namespace3'")

        else:
            print("skipping test without datastore")
Exemplo n.º 2
0
    def get(cls, urlsafe_or_key):
        """Retrieves an entity object based on an URL safe Key string or Key object."""
        cls._get_client()
        if isinstance(urlsafe_or_key, (str, bytes)):
            key = ndb.Key(cls, **NDB_KWARGS)
            complete_key = key.from_legacy_urlsafe(urlsafe_or_key)
        else:
            complete_key = urlsafe_or_key

        item = complete_key.get()
        if not item:
            raise Exception("item doesn't exist")
        return item
Exemplo n.º 3
0
    def test_complex_model(self):

        import datetime
        import binascii

        namespace = "your-namespace"

        ndb.model.ENABLE_PICKLE_LOADS = True  # might be dangerous in production

        person = person_pb2.Person()
        person.id = 1234
        person.name = "John Doe"
        person.email = "*****@*****.**"
        phone = person.phones.add()
        phone.number = "555-4321"
        phone.type = person_pb2.Person.HOME

        department = Department(id="dept_id",
                                department_id=123,
                                name="department")

        if USE_DATASTORE:
            from google.cloud import datastore
            from .gcloud_credentials import EmulatorCredentials
            client = datastore.Client(project=PROJECT,
                                      credentials=EmulatorCredentials())

            client.put(department)

        human = Human2(
            name='Arthur Dent',
            gender=Gender.male,
            age=42,
            items=Items(has_hat=True, number_of_socks=3, namespace=namespace),
            numbers=[12, 13, 14],
            description="a real man",
            description2="a real man, oh yeah",
            meters_tall=1.82,
            datetime_of_birth=datetime.datetime(2017, 8, 26, 15, 10, 42,
                                                123456),
            date_of_birth=datetime.datetime(2017, 8, 26, 15, 10, 42,
                                            123456).date(),
            time_of_birth=datetime.datetime(2017, 8, 26, 15, 10, 42,
                                            123456).time(),
            hobbies=[u"football", u"tv"],
            pickle=[{
                "football_at":
                datetime.datetime(2017, 8, 26, 15, 10, 42, 123456)
            }],
            binary=binascii.unhexlify("61626300"),
            home=ndb.GeoPt("52.37, 4.88"),
            generic=7,
            #model=Items(has_hat=True, number_of_socks=3, namespace=namespace).to_dict(),
            model=Items(has_hat=True, number_of_socks=3, namespace=namespace),
            person_details=person,
            key_prop=department.key,
            key_prop2=ndb.Key(DepartmentRoot, "root", Department, "dept_id2"),
            namespace=namespace)

        human_recovered = entity_to_binary_to_entity(human)

        # now do the tests
        self.assertEqual(human_recovered.name, 'Arthur Dent')
        self.assertEqual(human_recovered.gender, Gender.male)
        self.assertEqual(human_recovered.age, 42)
        self.assertEqual(human_recovered.items.has_hat, True)
        self.assertEqual(human_recovered.items.number_of_socks, 3)
        self.assertEqual(human_recovered.numbers, [12, 13, 14])
        self.assertEqual(human_recovered.description, "a real man")
        self.assertEqual(human_recovered.description2, "a real man, oh yeah")
        self.assertAlmostEqual(human_recovered.meters_tall, 1.82)
        # DateTime always have a timezone attached
        self.assertEqual(
            human_recovered.datetime_of_birth.replace(tzinfo=None),
            datetime.datetime(2017, 8, 26, 15, 10, 42, 123456))
        self.assertEqual(
            human_recovered.date_of_birth,
            datetime.datetime(2017, 8, 26, 15, 10, 42, 123456).date())
        self.assertEqual(
            human_recovered.time_of_birth,
            datetime.datetime(2017, 8, 26, 15, 10, 42, 123456).time())
        self.assertEqual(human_recovered.hobbies, [u"football", u"tv"])
        self.assertEqual(human_recovered.pickle[0]["football_at"],
                         datetime.datetime(2017, 8, 26, 15, 10, 42, 123456))
        self.assertEqual(human_recovered.binary,
                         binascii.unhexlify("61626300"))
        self.assertAlmostEqual(human_recovered.home.lat, 52.37)
        self.assertAlmostEqual(human_recovered.home.lon, 4.88)
        self.assertEqual(human_recovered.generic, 7)
        self.assertEqual(human_recovered.model.has_hat, True)
        self.assertEqual(human_recovered.model.number_of_socks, 3)
        self.assertEqual(human_recovered.person_details.phones[0].number,
                         "555-4321")
        self.assertEqual(human_recovered.key_prop,
                         ndb.Key(Department, "dept_id"))
        self.assertEqual(
            human_recovered.key_prop2,
            ndb.Key(DepartmentRoot, "root", Department, "dept_id2"))

        # these were set automatically
        self.assertEqual(human_recovered.number_of_hobbies, 2)
        self.assertEqual(human_recovered.default_info, "unknown")
        self.assertEqual(isinstance(human_recovered.update, datetime.date),
                         True)

        if USE_DATASTORE:
            from google.cloud import datastore
            from .gcloud_credentials import EmulatorCredentials
            client = datastore.Client(project=PROJECT,
                                      credentials=EmulatorCredentials())

            department_db = client.get(human_recovered.key_prop)
            self.assertEqual(department_db.department_id, 123)
            self.assertEqual(department_db.name, "department")

        ndb.model.ENABLE_PICKLE_LOADS = False