fuel-web/fuel_upgrade_system/fuel_upgrade/fuel_upgrade/tests/base.py

103 lines
3.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014 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.
try:
from unittest.case import TestCase
except ImportError:
# Required for python 2.6
from unittest2.case import TestCase
from StringIO import StringIO
import mock
import requests
from fuel_upgrade import config
class FakeFile(StringIO):
"""Context manager that fakes a file with StringIO object
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 BaseTestCase(TestCase):
"""Base class for test cases"""
def method_was_not_called(self, method):
"""Checks that mocked method was not called"""
self.assertEqual(method.call_count, 0)
def called_once(self, method):
"""Checks that mocked method was called once"""
self.assertEqual(method.call_count, 1)
def called_times(self, method, count):
"""Checks that mocked method was called `count` times"""
self.assertEqual(method.call_count, count)
@property
@mock.patch('fuel_upgrade.config.glob.glob', return_value=['2014.1.1-5.1'])
@mock.patch('fuel_upgrade.config.get_version_from_config',
side_effect=['0', '9999'])
@mock.patch('fuel_upgrade.config.from_fuel_version', return_value='0')
@mock.patch('fuel_upgrade.config.read_yaml_config',
return_value={'ADMIN_NETWORK': {'ipaddress': '0.0.0.0'}})
def fake_config(self, _, __, ___, ____):
update_path = '/tmp/upgrade_path'
admin_password = 'admin'
conf = config.build_config(update_path, admin_password)
conf.astute = {
'ADMIN_NETWORK': {
'ipaddress': '0.0.0.0'
}
}
return conf
def mock_open(self, text, filename='some.yaml'):
"""Mocks builtin open function.
Usage example:
with mock.patch(
'__builtin__.open',
self.mock_open('file content')
):
# call some methods that are used open() to read some
# stuff internally
"""
fileobj = FakeFile(text)
setattr(fileobj, 'name', filename)
return mock.MagicMock(return_value=fileobj)
def mock_requests_response(self, status_code, body):
"""Creates a response object with custom status code and body."""
rv = requests.Response()
rv.status_code = status_code
rv.encoding = 'utf-8'
rv.raw = FakeFile(body)
return rv