openstack-ansible/tests/test_filesystem.py
wu.shiming 469b7d66b3 Use unittest.mock instead of mock
The mock third party library was needed for mock support in py2
runtimes. Since we now only support py36 and later, we can use the
standard lib unittest.mock module instead

Change-Id: Ie36f12a4a6dd3c06b9ffd9bfb7bbb0106311820f
2020-11-23 05:24:25 +00:00

103 lines
3.4 KiB
Python

#!/usr/bin/env python
#
# 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
from os import path
from osa_toolkit import filesystem as fs
import sys
import unittest
from unittest import mock
from test_inventory import cleanup
from test_inventory import get_inventory
from test_inventory import make_config
INV_DIR = 'inventory'
sys.path.append(path.join(os.getcwd(), INV_DIR))
TARGET_DIR = path.join(os.getcwd(), 'tests', 'inventory')
USER_CONFIG_FILE = path.join(TARGET_DIR, 'openstack_user_config.yml')
def setUpModule():
# The setUpModule function is used by the unittest framework.
make_config()
def tearDownModule():
# This file should only be removed after all tests are run,
# thus it is excluded from cleanup.
os.remove(USER_CONFIG_FILE)
class TestMultipleRuns(unittest.TestCase):
def test_creating_backup_file(self):
inventory_file_path = os.path.join(TARGET_DIR,
'openstack_inventory.json')
get_backup_name_path = 'osa_toolkit.filesystem._get_backup_name'
backup_name = 'openstack_inventory.json-20160531_171804.json'
tar_file = mock.MagicMock()
tar_file.__enter__.return_value = tar_file
# run make backup with faked tarfiles and date
with mock.patch('osa_toolkit.filesystem.tarfile.open') as tar_open:
tar_open.return_value = tar_file
with mock.patch(get_backup_name_path) as backup_mock:
backup_mock.return_value = backup_name
fs._make_backup(TARGET_DIR, inventory_file_path)
backup_path = path.join(TARGET_DIR, 'backup_openstack_inventory.tar')
tar_open.assert_called_with(backup_path, 'a')
# This chain is present because of how tarfile.open is called to
# make a context manager inside the make_backup function.
tar_file.add.assert_called_with(inventory_file_path,
arcname=backup_name)
def test_recreating_files(self):
# Deleting the files after the first run should cause the files to be
# completely remade
get_inventory()
get_inventory()
backup_path = path.join(TARGET_DIR, 'backup_openstack_inventory.tar')
self.assertFalse(os.path.exists(backup_path))
def test_rereading_files(self):
# Generate the initial inventory files
get_inventory(clean=False)
inv, path = fs.load_inventory(TARGET_DIR)
self.assertIsInstance(inv, dict)
self.assertIn('_meta', inv)
# This test is basically just making sure we get more than
# INVENTORY_SKEL populated, so we're not going to do deep testing
self.assertIn('log_hosts', inv)
def tearDown(self):
# Clean up here since get_inventory will not do it by design in
# this test.
cleanup()
if __name__ == '__main__':
unittest.main(catchbreak=True)