def test_commit_w_transaction(self):
import mock
from google.cloud.datastore._generated import datastore_pb2
from google.cloud.datastore.helpers import _new_value_pb
PROJECT = 'PROJECT'
key_pb = self._make_key_pb(PROJECT)
rsp_pb = datastore_pb2.CommitResponse()
req_pb = datastore_pb2.CommitRequest()
mutation = req_pb.mutations.add()
insert = mutation.upsert
insert.key.CopyFrom(key_pb)
value_pb = _new_value_pb(insert, 'foo')
value_pb.string_value = u'Foo'
conn = self._make_one()
URI = '/'.join([
conn.api_base_url,
conn.API_VERSION,
'projects',
PROJECT + ':commit',
])
http = conn._http = Http({'status': '200'}, rsp_pb.SerializeToString())
# Set up mock for parsing the response.
expected_result = object()
_parsed = []
def mock_parse(response):
_parsed.append(response)
return expected_result
patch = mock.patch(
'google.cloud.datastore._http._parse_commit_response',
new=mock_parse)
with patch:
result = conn.commit(PROJECT, req_pb, b'xact')
self.assertIs(result, expected_result)
cw = http._called_with
self._verifyProtobufCall(cw, URI, conn)
rq_class = datastore_pb2.CommitRequest
request = rq_class()
request.ParseFromString(cw['body'])
self.assertEqual(request.transaction, b'xact')
self.assertEqual(list(request.mutations), [mutation])
self.assertEqual(request.mode, rq_class.TRANSACTIONAL)
self.assertEqual(_parsed, [rsp_pb])
def __init__(self, client):
self._client = client
self._commit_request = _datastore_pb2.CommitRequest()
self._partial_key_entities = []
self._status = self._INITIAL
