Charmed-Kubernetes/nrpe/mod/charmhelpers/tests/contrib/hardening/test_utils.py

64 lines
2.2 KiB
Python

# Copyright 2016 Canonical Limited.
#
# 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 six
import tempfile
from mock import (
MagicMock,
call,
patch
)
from unittest import TestCase
from charmhelpers.contrib.hardening import utils
class UtilsTestCase(TestCase):
def setUp(self):
super(UtilsTestCase, self).setUp()
utils.__SETTINGS__ = {}
@patch.object(utils.grp, 'getgrnam')
@patch.object(utils.pwd, 'getpwnam')
@patch.object(utils, 'os')
@patch.object(utils, 'log', lambda *args, **kwargs: None)
def test_ensure_permissions(self, mock_os, mock_getpwnam, mock_getgrnam):
user = MagicMock()
user.pw_uid = '12'
mock_getpwnam.return_value = user
group = MagicMock()
group.gr_gid = '23'
mock_getgrnam.return_value = group
with tempfile.NamedTemporaryFile() as tmp:
utils.ensure_permissions(tmp.name, 'testuser', 'testgroup', 0o0440)
mock_getpwnam.assert_has_calls([call('testuser')])
mock_getgrnam.assert_has_calls([call('testgroup')])
mock_os.chown.assert_has_calls([call(tmp.name, '12', '23')])
mock_os.chmod.assert_has_calls([call(tmp.name, 0o0440)])
@patch.object(utils, '_get_user_provided_overrides')
def test_settings_cache(self, mock_get_user_provided_overrides):
mock_get_user_provided_overrides.return_value = {}
self.assertEqual(utils.__SETTINGS__, {})
self.assertTrue('sysctl' in utils.get_settings('os'))
self.assertEqual(sorted(list(six.iterkeys(utils.__SETTINGS__))),
['os'])
self.assertTrue('server' in utils.get_settings('ssh'))
self.assertEqual(sorted(list(six.iterkeys(utils.__SETTINGS__))),
['os', 'ssh'])