def test__transactional__pre_commit_retry_id_already_set_success():
from google.cloud.firestore_v1.types import common
to_wrap = mock.Mock(return_value=mock.sentinel.result, spec=[])
wrapped = _make__transactional(to_wrap)
txn_id1 = b"already-set"
wrapped.retry_id = txn_id1
txn_id2 = b"ok-here-too"
transaction = _make_transaction_pb(txn_id2)
result = wrapped._pre_commit(transaction)
assert result is mock.sentinel.result
assert transaction._id == txn_id2
assert wrapped.current_id == txn_id2
assert wrapped.retry_id == txn_id1
# Verify mocks.
to_wrap.assert_called_once_with(transaction)
firestore_api = transaction._client._firestore_api
options_ = common.TransactionOptions(
read_write=common.TransactionOptions.ReadWrite(
retry_transaction=txn_id1))
firestore_api.begin_transaction.assert_called_once_with(
request={
"database": transaction._client._database_string,
"options": options_,
},
metadata=transaction._client._rpc_metadata,
)
firestore_api.rollback.assert_not_called()
firestore_api.commit.assert_not_called()
def test_basetransaction__options_protobuf_read_only():
from google.cloud.firestore_v1.types import common
transaction = _make_base_transaction(read_only=True)
options_pb = transaction._options_protobuf(None)
expected_pb = common.TransactionOptions(
read_only=common.TransactionOptions.ReadOnly())
assert options_pb == expected_pb
def test__options_protobuf_read_only(self):
from google.cloud.firestore_v1.types import common
transaction = self._make_one(read_only=True)
options_pb = transaction._options_protobuf(None)
expected_pb = common.TransactionOptions(
read_only=common.TransactionOptions.ReadOnly())
self.assertEqual(options_pb, expected_pb)
def test_basetransaction__options_protobuf_on_retry():
from google.cloud.firestore_v1.types import common
transaction = _make_base_transaction()
retry_id = b"hocus-pocus"
options_pb = transaction._options_protobuf(retry_id)
expected_pb = common.TransactionOptions(
read_write=common.TransactionOptions.ReadWrite(
retry_transaction=retry_id))
assert options_pb == expected_pb
def test__options_protobuf_on_retry(self):
from google.cloud.firestore_v1.types import common
transaction = self._make_one()
retry_id = b"hocus-pocus"
options_pb = transaction._options_protobuf(retry_id)
expected_pb = common.TransactionOptions(
read_write=common.TransactionOptions.ReadWrite(
retry_transaction=retry_id))
self.assertEqual(options_pb, expected_pb)
async def test___call__success_second_attempt(self):
from google.api_core import exceptions
from google.cloud.firestore_v1.types import common
from google.cloud.firestore_v1.types import firestore
from google.cloud.firestore_v1.types import write
to_wrap = AsyncMock(return_value=mock.sentinel.result, spec=[])
wrapped = self._make_one(to_wrap)
txn_id = b"whole-enchilada"
transaction = _make_transaction(txn_id)
# Actually force the ``commit`` to fail on first / succeed on second.
exc = exceptions.Aborted("Contention junction.")
firestore_api = transaction._client._firestore_api
firestore_api.commit.side_effect = [
exc,
firestore.CommitResponse(write_results=[write.WriteResult()]),
]
# Call the __call__-able ``wrapped``.
result = await wrapped(transaction, "a", b="c")
self.assertIs(result, mock.sentinel.result)
self.assertIsNone(transaction._id)
self.assertEqual(wrapped.current_id, txn_id)
self.assertEqual(wrapped.retry_id, txn_id)
# Verify mocks.
wrapped_call = mock.call(transaction, "a", b="c")
self.assertEqual(to_wrap.mock_calls, [wrapped_call, wrapped_call])
firestore_api = transaction._client._firestore_api
db_str = transaction._client._database_string
options_ = common.TransactionOptions(
read_write=common.TransactionOptions.ReadWrite(retry_transaction=txn_id)
)
self.assertEqual(
firestore_api.begin_transaction.mock_calls,
[
mock.call(
request={"database": db_str, "options": None},
metadata=transaction._client._rpc_metadata,
),
mock.call(
request={"database": db_str, "options": options_},
metadata=transaction._client._rpc_metadata,
),
],
)
firestore_api.rollback.assert_not_called()
commit_call = mock.call(
request={"database": db_str, "writes": [], "transaction": txn_id},
metadata=transaction._client._rpc_metadata,
)
self.assertEqual(firestore_api.commit.mock_calls, [commit_call, commit_call])