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neutron/neutron/tests/unit/db/test__utils.py

49 lines
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# Copyright 2016
# All Rights Reserved.
#
# 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.
import mock
from neutron_lib import context
from neutron.db import _utils as db_utils
from neutron.tests.unit import testlib_api
class TestCommonHelpFunctions(testlib_api.SqlTestCase):
def setUp(self):
super(TestCommonHelpFunctions, self).setUp()
self.admin_ctx = context.get_admin_context()
def test__safe_creation_create_bindings_fails(self):
create_fn = mock.Mock(return_value={'id': 1234})
create_bindings = mock.Mock(side_effect=ValueError)
tx_check = lambda i: setattr(self, '_active',
self.admin_ctx.session.is_active)
delete_fn = mock.Mock(side_effect=tx_check)
self.assertRaises(ValueError, db_utils.safe_creation,
self.admin_ctx, create_fn, delete_fn,
create_bindings)
delete_fn.assert_called_once_with(1234)
self.assertTrue(self._active)
def test__safe_creation_deletion_fails(self):
create_fn = mock.Mock(return_value={'id': 1234})
create_bindings = mock.Mock(side_effect=ValueError)
delete_fn = mock.Mock(side_effect=EnvironmentError)
self.assertRaises(ValueError, db_utils.safe_creation,
self.admin_ctx, create_fn, delete_fn,
create_bindings)
delete_fn.assert_called_once_with(1234)