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# Copyright (c) 2016 Citrix Systems
# All Rights Reserved.
#
# 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 imp
import os
import sys
import mock
from os_xenapi.client import session
from os_xenapi.tests import base
# both XenAPI and XenAPIPlugin may not exist
# in unit test environment.
sys.modules['XenAPI'] = mock.Mock()
sys.modules['XenAPIPlugin'] = mock.Mock()
class PluginTestBase(base.TestCase):
def setUp(self):
super(PluginTestBase, self).setUp()
self.session = mock.Mock()
session.apply_session_helpers(self.session)
def mock_patch_object(self, target, attribute, return_val=None):
# utility function to mock object's attribute
patcher = mock.patch.object(target, attribute, return_value=return_val)
mock_one = patcher.start()
self.addCleanup(patcher.stop)
return mock_one
def _get_plugin_path(self):
current_path = os.path.realpath(__file__)
rel_path = os.path.join(current_path,
"../../../dom0/etc/xapi.d/plugins")
plugin_path = os.path.abspath(rel_path)
return plugin_path
def load_plugin(self, file_name):
# XAPI plugins run in a py24 environment and may be not compatible with
# py34's syntax. In order to prevent unit test scanning the source file
# under py34 environment, the plugins will be imported with this
# function at run time.
plugin_path = self._get_plugin_path()
# add plugin path into search path.
if plugin_path not in sys.path:
sys.path.append(plugin_path)
# be sure not to create c files next to the plugins
sys.dont_write_bytecode = True
name = file_name.split('.')[0]
path = os.path.join(plugin_path, file_name)
return imp.load_source(name, path)
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