ironic-inspector/ironic_inspector/test/unit/test_db.py
Sean McGinnis a9f7f67de5
Use unittest.mock instead of third party mock
Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: Ic67f09a223ae2d0cb460771a10a4122307afa05b
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2020-04-18 16:15:28 -05:00

78 lines
3.0 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from unittest import mock
from ironic_inspector import db
from ironic_inspector.test import base as test_base
class TestDB(test_base.NodeTest):
@mock.patch.object(db, 'get_reader_session', autospec=True)
def test_model_query(self, mock_reader):
mock_session = mock_reader.return_value
fake_query = mock_session.query.return_value
query = db.model_query('db.Node')
mock_reader.assert_called_once_with()
mock_session.query.assert_called_once_with('db.Node')
self.assertEqual(fake_query, query)
@mock.patch.object(db, 'get_writer_session', autospec=True)
def test_ensure_transaction_new_session(self, mock_writer):
mock_session = mock_writer.return_value
with db.ensure_transaction() as session:
mock_writer.assert_called_once_with()
mock_session.begin.assert_called_once_with(subtransactions=True)
self.assertEqual(mock_session, session)
@mock.patch.object(db, 'get_writer_session', autospec=True)
def test_ensure_transaction_session(self, mock_writer):
mock_session = mock.MagicMock()
with db.ensure_transaction(session=mock_session) as session:
self.assertFalse(mock_writer.called)
mock_session.begin.assert_called_once_with(subtransactions=True)
self.assertEqual(mock_session, session)
@mock.patch.object(db.enginefacade, 'transaction_context', autospec=True)
def test__create_context_manager(self, mock_cnxt):
mock_ctx_mgr = mock_cnxt.return_value
ctx_mgr = db._create_context_manager()
mock_ctx_mgr.configure.assert_called_once_with(sqlite_fk=False)
self.assertEqual(mock_ctx_mgr, ctx_mgr)
@mock.patch.object(db, 'get_context_manager', autospec=True)
def test_get_reader_session(self, mock_cnxt_mgr):
mock_cnxt = mock_cnxt_mgr.return_value
mock_sess_maker = mock_cnxt.reader.get_sessionmaker.return_value
session = db.get_reader_session()
mock_sess_maker.assert_called_once_with()
self.assertEqual(mock_sess_maker.return_value, session)
@mock.patch.object(db, 'get_context_manager', autospec=True)
def test_get_writer_session(self, mock_cnxt_mgr):
mock_cnxt = mock_cnxt_mgr.return_value
mock_sess_maker = mock_cnxt.writer.get_sessionmaker.return_value
session = db.get_writer_session()
mock_sess_maker.assert_called_once_with()
self.assertEqual(mock_sess_maker.return_value, session)