cinder/cinder/tests/windows/basetestcase.py

104 lines
3.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Cloudbase Solutions Srl
#
# 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.
"""
TestCase for MockProxy based tests and related classes.
"""
import cinder.test
import gzip
import os
import pickle
from cinder.tests.windows import mockproxy
gen_test_mocks_key = 'CINDER_GENERATE_TEST_MOCKS'
class BaseTestCase(cinder.test.TestCase):
"""TestCase for MockProxy based tests."""
def run(self, result=None):
self._currentResult = result
super(BaseTestCase, self).run(result)
def setUp(self):
super(BaseTestCase, self).setUp()
self._mps = {}
def tearDown(self):
super(BaseTestCase, self).tearDown()
# python-subunit will wrap test results with a decorator.
# Need to access the decorated member of results to get the
# actual test result when using python-subunit.
if hasattr(self._currentResult, 'decorated'):
result = self._currentResult.decorated
else:
result = self._currentResult
has_errors = len([test for (test, msgs) in result.errors
if test.id() == self.id()]) > 0
failed = len([test for (test, msgs) in result.failures
if test.id() == self.id()]) > 0
if not has_errors and not failed:
self._save_mock_proxies()
def _save_mock(self, name, mock):
path = self._get_stub_file_path(self.id(), name)
pickle.dump(mock, gzip.open(path, 'wb'))
def _get_stub_file_path(self, test_name, mock_name):
# test naming differs between platforms
prefix = 'cinder.tests.'
if test_name.startswith(prefix):
test_name = test_name[len(prefix):]
file_name = '{0}_{1}.p.gz'.format(test_name, mock_name)
return os.path.join(os.path.dirname(mockproxy.__file__),
"stubs", file_name)
def _load_mock(self, name):
path = self._get_stub_file_path(self.id(), name)
if os.path.exists(path):
return pickle.load(gzip.open(path, 'rb'))
else:
return None
def _load_mock_or_create_proxy(self, module_name):
m = None
if (not gen_test_mocks_key in os.environ or
os.environ[gen_test_mocks_key].lower()
not in ['true', 'yes', '1']):
m = self._load_mock(module_name)
else:
module = __import__(module_name)
m = mockproxy.MockProxy(module)
self._mps[module_name] = m
return m
def _inject_mocks_in_modules(self, objects_to_mock, modules_to_test):
for module_name in objects_to_mock:
mp = self._load_mock_or_create_proxy(module_name)
for mt in modules_to_test:
module_local_name = module_name.split('.')[-1]
setattr(mt, module_local_name, mp)
def _save_mock_proxies(self):
for name, mp in self._mps.items():
m = mp.get_mock()
if m.has_values():
self._save_mock(name, m)