from google.cloud.datastore_v1.proto import datastore_pb2
from google.cloud.datastore_v1.proto import datastore_pb2_grpc
import grpc
import unittest
class TestGRPCConnect(unittest.TestCase):
def test_connect(self):
# when zipped grpc needs to load a resource that it tries to get from disk
# that resource must be unzipped along with the native code library
credentials = grpc.ssl_channel_credentials()
channel = grpc.secure_channel('datastore.googleapis.com', credentials)
datastore_stub = datastore_pb2_grpc.DatastoreStub(channel)
request = datastore_pb2.LookupRequest()
with self.assertRaisesRegexp(grpc.RpcError, 'missing required authentication') as context:
datastore_stub.Lookup(request)
self.assertEqual(context.exception.code(), grpc.StatusCode.UNAUTHENTICATED)
