heat-cfntools/heat_cfntools/tests/test_cfn_hup.py
Sean McGinnis 5c2557dbaf
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: Ib6e4e7f89a9990cfb42afa209878812340109ecf
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2020-06-09 09:59:03 -05:00

93 lines
3.3 KiB
Python

#
# Copyright 2013 Hewlett-Packard Development Company, L.P.
#
# 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 tempfile
from unittest import mock
import fixtures
import testtools
from heat_cfntools.cfntools import cfn_helper
class TestCfnHup(testtools.TestCase):
def setUp(self):
super(TestCfnHup, self).setUp()
self.logger = self.useFixture(fixtures.FakeLogger())
self.stack_name = self.getUniqueString()
self.resource = self.getUniqueString()
self.region = self.getUniqueString()
self.creds = tempfile.NamedTemporaryFile()
self.metadata = cfn_helper.Metadata(self.stack_name,
self.resource,
credentials_file=self.creds.name,
region=self.region)
self.init_content = self.getUniqueString()
self.init_temp = tempfile.NamedTemporaryFile()
self.service_name = self.getUniqueString()
self.init_section = {'AWS::CloudFormation::Init': {
'config': {
'services': {
'sysvinit': {
self.service_name: {
'enabled': True,
'ensureRunning': True,
}
}
},
'files': {
self.init_temp.name: {
'content': self.init_content
}
}
}
}
}
def _mock_retrieve_metadata(self, desired_metadata):
with mock.patch.object(
cfn_helper.Metadata, 'remote_metadata') as mock_method:
mock_method.return_value = desired_metadata
with tempfile.NamedTemporaryFile() as last_md:
self.metadata.retrieve(last_path=last_md.name)
def _test_cfn_hup_metadata(self, metadata):
self._mock_retrieve_metadata(metadata)
FakeServicesHandler = mock.Mock()
FakeServicesHandler.monitor_services.return_value = None
self.useFixture(
fixtures.MonkeyPatch(
'heat_cfntools.cfntools.cfn_helper.ServicesHandler',
FakeServicesHandler))
section = self.getUniqueString()
triggers = 'post.add,post.delete,post.update'
path = 'Resources.%s.Metadata' % self.resource
runas = 'root'
action = '/bin/sh -c "true"'
hook = cfn_helper.Hook(section, triggers, path, runas, action)
with mock.patch.object(cfn_helper.Hook, 'event') as mock_method:
mock_method.return_value = None
self.metadata.cfn_hup([hook])
def test_cfn_hup_empty_metadata(self):
self._test_cfn_hup_metadata({})
def test_cfn_hup_cfn_init_metadata(self):
self._test_cfn_hup_metadata(self.init_section)