def test_context_mgr_success(self): import datetime from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1 import Transaction as TransactionPB from google.cloud._helpers import UTC transaction_pb = TransactionPB(id=self.TRANSACTION_ID) now = datetime.datetime.utcnow().replace(tzinfo=UTC) response = CommitResponse(commit_timestamp=now) database = _Database() api = database.spanner_api = _FauxSpannerAPI( _begin_transaction_response=transaction_pb, _commit_response=response ) session = _Session(database) transaction = self._make_one(session) with transaction: transaction.insert(TABLE_NAME, COLUMNS, VALUES) self.assertEqual(transaction.committed, now) session_id, mutations, txn_id, metadata = api._committed self.assertEqual(session_id, self.SESSION_NAME) self.assertEqual(txn_id, self.TRANSACTION_ID) self.assertEqual(mutations, transaction._mutations) self.assertEqual(metadata, [("google-cloud-resource-prefix", database.name)])
def test_context_mgr_failure(self): import datetime from google.cloud.spanner_v1 import CommitResponse from google.cloud._helpers import UTC from google.cloud._helpers import _datetime_to_pb_timestamp now = datetime.datetime.utcnow().replace(tzinfo=UTC) now_pb = _datetime_to_pb_timestamp(now) response = CommitResponse(commit_timestamp=now_pb) database = _Database() api = database.spanner_api = _FauxSpannerAPI(_commit_response=response) session = _Session(database) batch = self._make_one(session) class _BailOut(Exception): pass with self.assertRaises(_BailOut): with batch: batch.insert(TABLE_NAME, COLUMNS, VALUES) raise _BailOut() self.assertEqual(batch.committed, None) self.assertEqual(api._committed, None) self.assertEqual(len(batch._mutations), 1)
def test_context_mgr_success(self): import datetime from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1 import TransactionOptions from google.cloud._helpers import UTC from google.cloud._helpers import _datetime_to_pb_timestamp now = datetime.datetime.utcnow().replace(tzinfo=UTC) now_pb = _datetime_to_pb_timestamp(now) response = CommitResponse(commit_timestamp=now_pb) database = _Database() api = database.spanner_api = _FauxSpannerAPI(_commit_response=response) session = _Session(database) batch = self._make_one(session) with batch: batch.insert(TABLE_NAME, COLUMNS, VALUES) self.assertEqual(batch.committed, now) (session, mutations, single_use_txn, metadata) = api._committed self.assertEqual(session, self.SESSION_NAME) self.assertEqual(mutations, batch._mutations) self.assertIsInstance(single_use_txn, TransactionOptions) self.assertTrue( type(single_use_txn).pb(single_use_txn).HasField("read_write")) self.assertEqual(metadata, [("google-cloud-resource-prefix", database.name)]) self.assertSpanAttributes("CloudSpanner.Commit", attributes=dict(BASE_ATTRIBUTES, num_mutations=1))
def _commit_helper(self, mutate=True, return_commit_stats=False): import datetime from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1.keyset import KeySet from google.cloud._helpers import UTC now = datetime.datetime.utcnow().replace(tzinfo=UTC) keys = [[0], [1], [2]] keyset = KeySet(keys=keys) response = CommitResponse(commit_timestamp=now) if return_commit_stats: response.commit_stats.mutation_count = 4 database = _Database() api = database.spanner_api = _FauxSpannerAPI(_commit_response=response) session = _Session(database) transaction = self._make_one(session) transaction._transaction_id = self.TRANSACTION_ID if mutate: transaction.delete(TABLE_NAME, keyset) transaction.commit(return_commit_stats=return_commit_stats) self.assertEqual(transaction.committed, now) self.assertIsNone(session._transaction) session_id, mutations, txn_id, metadata = api._committed self.assertEqual(session_id, session.name) self.assertEqual(txn_id, self.TRANSACTION_ID) self.assertEqual(mutations, transaction._mutations) self.assertEqual(metadata, [("google-cloud-resource-prefix", database.name)]) if return_commit_stats: self.assertEqual(transaction.commit_stats.mutation_count, 4) self.assertSpanAttributes( "CloudSpanner.Commit", attributes=dict( TestTransaction.BASE_ATTRIBUTES, num_mutations=len(transaction._mutations), ), )
def test_run_in_transaction_w_abort_w_retry_metadata(self): import datetime from google.api_core.exceptions import Aborted from google.protobuf.duration_pb2 import Duration from google.rpc.error_details_pb2 import RetryInfo from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1 import ( Transaction as TransactionPB, TransactionOptions, ) from google.cloud._helpers import UTC from google.cloud._helpers import _datetime_to_pb_timestamp from google.cloud.spanner_v1.transaction import Transaction TABLE_NAME = "citizens" COLUMNS = ["email", "first_name", "last_name", "age"] VALUES = [ ["*****@*****.**", "Phred", "Phlyntstone", 32], ["*****@*****.**", "Bharney", "Rhubble", 31], ] TRANSACTION_ID = b"FACEDACE" RETRY_SECONDS = 12 RETRY_NANOS = 3456 retry_info = RetryInfo( retry_delay=Duration(seconds=RETRY_SECONDS, nanos=RETRY_NANOS)) trailing_metadata = [("google.rpc.retryinfo-bin", retry_info.SerializeToString())] aborted = _make_rpc_error(Aborted, trailing_metadata=trailing_metadata) transaction_pb = TransactionPB(id=TRANSACTION_ID) now = datetime.datetime.utcnow().replace(tzinfo=UTC) now_pb = _datetime_to_pb_timestamp(now) response = CommitResponse(commit_timestamp=now_pb) gax_api = self._make_spanner_api() gax_api.begin_transaction.return_value = transaction_pb gax_api.commit.side_effect = [aborted, response] database = self._make_database() database.spanner_api = gax_api session = self._make_one(database) session._session_id = self.SESSION_ID called_with = [] def unit_of_work(txn, *args, **kw): called_with.append((txn, args, kw)) txn.insert(TABLE_NAME, COLUMNS, VALUES) with mock.patch("time.sleep") as sleep_mock: session.run_in_transaction(unit_of_work, "abc", some_arg="def") sleep_mock.assert_called_once_with(RETRY_SECONDS + RETRY_NANOS / 1.0e9) self.assertEqual(len(called_with), 2) for index, (txn, args, kw) in enumerate(called_with): self.assertIsInstance(txn, Transaction) if index == 1: self.assertEqual(txn.committed, now) else: self.assertIsNone(txn.committed) self.assertEqual(args, ("abc", )) self.assertEqual(kw, {"some_arg": "def"}) expected_options = TransactionOptions( read_write=TransactionOptions.ReadWrite()) self.assertEqual( gax_api.begin_transaction.call_args_list, [ mock.call( session=self.SESSION_NAME, options=expected_options, metadata=[("google-cloud-resource-prefix", database.name)], ) ] * 2, ) self.assertEqual( gax_api.commit.call_args_list, [ mock.call( session=self.SESSION_NAME, mutations=txn._mutations, transaction_id=TRANSACTION_ID, metadata=[("google-cloud-resource-prefix", database.name)], ) ] * 2, )
def test_run_in_transaction_w_abort_no_retry_metadata(self): import datetime from google.api_core.exceptions import Aborted from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1 import ( Transaction as TransactionPB, TransactionOptions, ) from google.cloud._helpers import UTC from google.cloud._helpers import _datetime_to_pb_timestamp from google.cloud.spanner_v1.transaction import Transaction TABLE_NAME = "citizens" COLUMNS = ["email", "first_name", "last_name", "age"] VALUES = [ ["*****@*****.**", "Phred", "Phlyntstone", 32], ["*****@*****.**", "Bharney", "Rhubble", 31], ] TRANSACTION_ID = b"FACEDACE" transaction_pb = TransactionPB(id=TRANSACTION_ID) now = datetime.datetime.utcnow().replace(tzinfo=UTC) now_pb = _datetime_to_pb_timestamp(now) aborted = _make_rpc_error(Aborted, trailing_metadata=[]) response = CommitResponse(commit_timestamp=now_pb) gax_api = self._make_spanner_api() gax_api.begin_transaction.return_value = transaction_pb gax_api.commit.side_effect = [aborted, response] database = self._make_database() database.spanner_api = gax_api session = self._make_one(database) session._session_id = self.SESSION_ID called_with = [] def unit_of_work(txn, *args, **kw): called_with.append((txn, args, kw)) txn.insert(TABLE_NAME, COLUMNS, VALUES) return "answer" return_value = session.run_in_transaction(unit_of_work, "abc", some_arg="def") self.assertEqual(len(called_with), 2) for index, (txn, args, kw) in enumerate(called_with): self.assertIsInstance(txn, Transaction) self.assertEqual(return_value, "answer") self.assertEqual(args, ("abc", )) self.assertEqual(kw, {"some_arg": "def"}) expected_options = TransactionOptions( read_write=TransactionOptions.ReadWrite()) self.assertEqual( gax_api.begin_transaction.call_args_list, [ mock.call( session=self.SESSION_NAME, options=expected_options, metadata=[("google-cloud-resource-prefix", database.name)], ) ] * 2, ) self.assertEqual( gax_api.commit.call_args_list, [ mock.call( session=self.SESSION_NAME, mutations=txn._mutations, transaction_id=TRANSACTION_ID, metadata=[("google-cloud-resource-prefix", database.name)], ) ] * 2, )
def test_run_in_transaction_w_args_w_kwargs_wo_abort(self): import datetime from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1 import ( Transaction as TransactionPB, TransactionOptions, ) from google.cloud._helpers import UTC from google.cloud._helpers import _datetime_to_pb_timestamp from google.cloud.spanner_v1.transaction import Transaction TABLE_NAME = "citizens" COLUMNS = ["email", "first_name", "last_name", "age"] VALUES = [ ["*****@*****.**", "Phred", "Phlyntstone", 32], ["*****@*****.**", "Bharney", "Rhubble", 31], ] TRANSACTION_ID = b"FACEDACE" transaction_pb = TransactionPB(id=TRANSACTION_ID) now = datetime.datetime.utcnow().replace(tzinfo=UTC) now_pb = _datetime_to_pb_timestamp(now) response = CommitResponse(commit_timestamp=now_pb) gax_api = self._make_spanner_api() gax_api.begin_transaction.return_value = transaction_pb gax_api.commit.return_value = response database = self._make_database() database.spanner_api = gax_api session = self._make_one(database) session._session_id = self.SESSION_ID called_with = [] def unit_of_work(txn, *args, **kw): called_with.append((txn, args, kw)) txn.insert(TABLE_NAME, COLUMNS, VALUES) return 42 return_value = session.run_in_transaction(unit_of_work, "abc", some_arg="def") self.assertIsNone(session._transaction) self.assertEqual(len(called_with), 1) txn, args, kw = called_with[0] self.assertIsInstance(txn, Transaction) self.assertEqual(return_value, 42) self.assertEqual(args, ("abc", )) self.assertEqual(kw, {"some_arg": "def"}) expected_options = TransactionOptions( read_write=TransactionOptions.ReadWrite()) gax_api.begin_transaction.assert_called_once_with( session=self.SESSION_NAME, options=expected_options, metadata=[("google-cloud-resource-prefix", database.name)], ) gax_api.commit.assert_called_once_with( session=self.SESSION_NAME, mutations=txn._mutations, transaction_id=TRANSACTION_ID, metadata=[("google-cloud-resource-prefix", database.name)], )
def test_run_in_transaction_w_abort_w_retry_metadata_deadline(self): import datetime from google.api_core.exceptions import Aborted from google.protobuf.duration_pb2 import Duration from google.rpc.error_details_pb2 import RetryInfo from google.cloud.spanner_v1 import CommitResponse from google.cloud.spanner_v1 import ( Transaction as TransactionPB, TransactionOptions, ) from google.cloud.spanner_v1.transaction import Transaction from google.cloud._helpers import UTC from google.cloud._helpers import _datetime_to_pb_timestamp TABLE_NAME = "citizens" COLUMNS = ["email", "first_name", "last_name", "age"] VALUES = [ ["*****@*****.**", "Phred", "Phlyntstone", 32], ["*****@*****.**", "Bharney", "Rhubble", 31], ] TRANSACTION_ID = b"FACEDACE" RETRY_SECONDS = 1 RETRY_NANOS = 3456 transaction_pb = TransactionPB(id=TRANSACTION_ID) now = datetime.datetime.utcnow().replace(tzinfo=UTC) now_pb = _datetime_to_pb_timestamp(now) response = CommitResponse(commit_timestamp=now_pb) retry_info = RetryInfo( retry_delay=Duration(seconds=RETRY_SECONDS, nanos=RETRY_NANOS)) trailing_metadata = [("google.rpc.retryinfo-bin", retry_info.SerializeToString())] aborted = _make_rpc_error(Aborted, trailing_metadata=trailing_metadata) gax_api = self._make_spanner_api() gax_api.begin_transaction.return_value = transaction_pb gax_api.commit.side_effect = [aborted, response] database = self._make_database() database.spanner_api = gax_api session = self._make_one(database) session._session_id = self.SESSION_ID called_with = [] def unit_of_work(txn, *args, **kw): called_with.append((txn, args, kw)) txn.insert(TABLE_NAME, COLUMNS, VALUES) # retry once w/ timeout_secs=1 def _time(_results=[1, 1.5]): return _results.pop(0) with mock.patch("time.time", _time): if HAS_OPENTELEMETRY_INSTALLED: with mock.patch("opentelemetry.util.time", _ConstantTime()): with mock.patch("time.sleep") as sleep_mock: with self.assertRaises(Aborted): session.run_in_transaction(unit_of_work, "abc", timeout_secs=1) else: with mock.patch("time.sleep") as sleep_mock: with self.assertRaises(Aborted): session.run_in_transaction(unit_of_work, "abc", timeout_secs=1) sleep_mock.assert_not_called() self.assertEqual(len(called_with), 1) txn, args, kw = called_with[0] self.assertIsInstance(txn, Transaction) self.assertIsNone(txn.committed) self.assertEqual(args, ("abc", )) self.assertEqual(kw, {}) expected_options = TransactionOptions( read_write=TransactionOptions.ReadWrite()) gax_api.begin_transaction.assert_called_once_with( session=self.SESSION_NAME, options=expected_options, metadata=[("google-cloud-resource-prefix", database.name)], ) gax_api.commit.assert_called_once_with( session=self.SESSION_NAME, mutations=txn._mutations, transaction_id=TRANSACTION_ID, metadata=[("google-cloud-resource-prefix", database.name)], )