python-fuelclient/fuelclient/tests/unit/v1/base.py

73 lines
2.2 KiB
Python

# Copyright 2013-2015 Mirantis, Inc.
#
# 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 oslotest import base as oslo_base
import requests_mock as rm
import six
from fuelclient.cli import parser
class FakeFile(six.StringIO):
"""Context manager for a fake file
NOTE(eli): We cannot use mock_open from mock library
here, because it hangs when we use 'with' statement,
and when we want to read file by chunks.
"""
def __enter__(self):
return self
def __exit__(self, *args):
pass
class UnitTestCase(oslo_base.BaseTestCase):
"""Base test class which does not require nailgun server to run."""
def setUp(self):
super(UnitTestCase, self).setUp()
self.auth_required_patcher = mock.patch('fuelclient.client.'
'APIClient.auth_required',
new_callable=mock.PropertyMock)
self.auth_required_mock = self.auth_required_patcher.start()
self.auth_required_mock.return_value = False
self.m_request = rm.Mocker()
self.m_request.start()
self.addCleanup(self.auth_required_patcher.stop)
self.addCleanup(self.m_request.stop)
def execute(self, command):
"""Execute old CLI."""
return parser.main(command)
def mock_open(self, text, filename='some.file'):
"""Mocks builtin open function
Usage example:
with mock.patch('__builtin__.open', self.mock_open('file content')):
# call mocked code
"""
fileobj = FakeFile(text)
setattr(fileobj, 'name', filename)
return mock.MagicMock(return_value=fileobj)