barbican/barbican/tests/plugin/crypto/test_manager.py

115 lines
3.9 KiB
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 threading
from unittest import mock
from barbican.common import utils as common_utils
from barbican.plugin.crypto import base
from barbican.plugin.crypto import manager as cm
from barbican.tests import utils
class MyThread(threading.Thread):
def __init__(self, index, results):
threading.Thread.__init__(self)
self.index = index
self.results = results
def run(self):
self.results[self.index] = cm.get_manager()
class WhenTestingManager(utils.BaseTestCase):
def setUp(self):
super(WhenTestingManager, self).setUp()
self.plugin_returned = mock.MagicMock()
self.plugin_type = base.PluginSupportTypes.ENCRYPT_DECRYPT
self.plugin_returned.supports.return_value = True
self.plugin_name = common_utils.generate_fullname_for(
self.plugin_returned)
self.plugin_loaded = mock.MagicMock(obj=self.plugin_returned)
self.manager = cm.get_manager()
self.manager.extensions = [self.plugin_loaded]
def test_can_override_enabled_plugins(self):
"""Verify can override default configuration for plugin selection."""
# Reset manager singleton otherwise we have test execution
# order problems
cm._PLUGIN_MANAGER = None
cm.CONF.set_override(
"enabled_crypto_plugins",
['foo_plugin'],
group='crypto')
manager_to_test = cm.get_manager()
self.assertIsInstance(
manager_to_test, cm._CryptoPluginManager)
self.assertListEqual(['foo_plugin'],
manager_to_test._names)
def test_get_plugin_store_generate(self):
self.assertEqual(
self.plugin_returned,
self.manager.get_plugin_store_generate(self.plugin_type))
def test_raises_error_with_wrong_plugin_type(self):
self.plugin_returned.supports.return_value = False
self.assertRaises(
base.CryptoPluginUnsupportedOperation,
self.manager.get_plugin_store_generate,
self.plugin_type)
def test_raises_error_with_no_active_store_generate_plugin(self):
self.manager.extensions = []
self.assertRaises(
base.CryptoPluginNotFound,
self.manager.get_plugin_store_generate,
self.plugin_type)
def test_get_plugin_retrieve(self):
self.assertEqual(
self.plugin_returned,
self.manager.get_plugin_retrieve(self.plugin_name))
def test_raises_error_with_wrong_plugin_name(self):
self.assertRaises(
base.CryptoPluginUnsupportedOperation,
self.manager.get_plugin_retrieve,
'other-name')
def test_raises_error_with_no_active_plugin_name(self):
self.manager.extensions = []
self.assertRaises(
base.CryptoPluginNotFound,
self.manager.get_plugin_retrieve,
self.plugin_name)
def test_get_manager_with_multi_threads(self):
self.manager.extensions = []
self.manager = None
results = [None] * 10
# setup 10 threads to call get_manager() at same time
for i in range(10):
t = MyThread(i, results)
t.start()
# verify all threads return one and same plugin manager
for i in range(10):
self.assertIsInstance(results[i], cm._CryptoPluginManager)
self.assertEqual(results[0], results[i])