charm-nova-cloud-controller/unit_tests/__init__.py
Alex Kavanagh 3d237a44ec Improve platform mocking
Patch out charmhelpers.osplatform.get_platform() and
charmhelpers.core.host.lsb_release() globally in the unit tests to
insulate the unit tests from the platform that the unit tests are being
run on.

Change-Id: I25df688c9ec07168b825815b1e1c27ecf2673d2b
2023-10-24 14:49:41 +01:00

47 lines
1.4 KiB
Python

# Copyright 2016 Canonical Ltd
#
# 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 os
import sys
from unittest import mock
# python-apt is not installed as part of test-requirements but is imported by
# some charmhelpers modules so create a fake import.
mock_apt = mock.MagicMock()
sys.modules['apt'] = mock_apt
mock_apt.apt_pkg = mock.MagicMock()
_path = os.path.dirname(os.path.realpath(__file__))
_root = os.path.abspath(os.path.join(_path, '..'))
def _add_path(path):
if path not in sys.path:
sys.path.insert(1, path)
_add_path(_root)
# Patch out lsb_release() and get_platform() as unit tests should be fully
# insulated from the underlying platform. Unit tests assume that the system is
# ubuntu jammy.
mock.patch(
'charmhelpers.osplatform.get_platform', return_value='ubuntu'
).start()
mock.patch(
'charmhelpers.core.host.lsb_release',
return_value={
'DISTRIB_CODENAME': 'jammy',
}).start()