def test_run_query_wo_namespace_empty_result(self):
from google.cloud.datastore._generated import datastore_pb2
from google.cloud.datastore._generated import query_pb2
PROJECT = 'PROJECT'
KIND = 'Nonesuch'
CURSOR = b'\x00'
q_pb = self._make_query_pb(KIND)
rsp_pb = datastore_pb2.RunQueryResponse()
rsp_pb.batch.end_cursor = CURSOR
no_more = query_pb2.QueryResultBatch.NO_MORE_RESULTS
rsp_pb.batch.more_results = no_more
rsp_pb.batch.entity_result_type = query_pb2.EntityResult.FULL
conn = self._makeOne()
URI = '/'.join([
conn.api_base_url,
conn.API_VERSION,
'projects',
PROJECT + ':runQuery',
])
http = conn._http = Http({'status': '200'}, rsp_pb.SerializeToString())
pbs, end, more, skipped = conn.run_query(PROJECT, q_pb)
self.assertEqual(pbs, [])
self.assertEqual(end, CURSOR)
self.assertTrue(more)
self.assertEqual(skipped, 0)
cw = http._called_with
self._verifyProtobufCall(cw, URI, conn)
rq_class = datastore_pb2.RunQueryRequest
request = rq_class()
request.ParseFromString(cw['body'])
self.assertEqual(request.partition_id.namespace_id, '')
self.assertEqual(request.query, q_pb)
def test_run_query_w_namespace_nonempty_result(self):
from google.cloud.datastore._generated import datastore_pb2
from google.cloud.datastore._generated import entity_pb2
PROJECT = 'PROJECT'
KIND = 'Kind'
entity = entity_pb2.Entity()
q_pb = self._make_query_pb(KIND)
rsp_pb = datastore_pb2.RunQueryResponse()
rsp_pb.batch.entity_results.add(entity=entity)
rsp_pb.batch.entity_result_type = 1 # FULL
rsp_pb.batch.more_results = 3 # NO_MORE_RESULTS
conn = self._makeOne()
URI = '/'.join([
conn.api_base_url,
conn.API_VERSION,
'projects',
PROJECT + ':runQuery',
])
http = conn._http = Http({'status': '200'}, rsp_pb.SerializeToString())
pbs = conn.run_query(PROJECT, q_pb, 'NS')[0]
self.assertEqual(len(pbs), 1)
cw = http._called_with
self._verifyProtobufCall(cw, URI, conn)
rq_class = datastore_pb2.RunQueryRequest
request = rq_class()
request.ParseFromString(cw['body'])
self.assertEqual(request.partition_id.namespace_id, 'NS')
self.assertEqual(request.query, q_pb)
def test_run_query_w_eventual_and_transaction(self):
from google.cloud.datastore._generated import datastore_pb2
from google.cloud.datastore._generated import query_pb2
PROJECT = 'PROJECT'
KIND = 'Nonesuch'
CURSOR = b'\x00'
TRANSACTION = b'TRANSACTION'
q_pb = self._make_query_pb(KIND)
rsp_pb = datastore_pb2.RunQueryResponse()
rsp_pb.batch.end_cursor = CURSOR
no_more = query_pb2.QueryResultBatch.NO_MORE_RESULTS
rsp_pb.batch.more_results = no_more
rsp_pb.batch.entity_result_type = query_pb2.EntityResult.FULL
conn = self._makeOne()
self.assertRaises(ValueError, conn.run_query, PROJECT, q_pb,
eventual=True, transaction_id=TRANSACTION)
