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# 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 sys
import time
from unittest import mock
import uuid
import warnings
import fixtures
from oslo_log import log as logging
import oslotest.base as oslotest
import requests
import webob
import webtest
class BaseTestCase(oslotest.BaseTestCase):
def setUp(self):
super(BaseTestCase, self).setUp()
# If keystonemiddleware calls any deprecated function this will raise
# an exception.
warnings.filterwarnings('error', category=DeprecationWarning,
module='^keystonemiddleware\\.')
self.addCleanup(warnings.resetwarnings)
self.logger = self.useFixture(fixtures.FakeLogger(level=logging.DEBUG))
class TestCase(BaseTestCase):
TEST_DOMAIN_ID = '1'
TEST_DOMAIN_NAME = 'aDomain'
TEST_GROUP_ID = uuid.uuid4().hex
TEST_ROLE_ID = uuid.uuid4().hex
TEST_TENANT_ID = '1'
TEST_TENANT_NAME = 'aTenant'
TEST_TOKEN = 'aToken'
TEST_TRUST_ID = 'aTrust'
TEST_USER = 'test'
TEST_USER_ID = uuid.uuid4().hex
TEST_ROOT_URL = 'http://127.0.0.1:5000/'
def setUp(self):
super(TestCase, self).setUp()
self.time_patcher = mock.patch.object(time, 'time', lambda: 1234)
self.time_patcher.start()
def tearDown(self):
self.time_patcher.stop()
super(TestCase, self).tearDown()
class MiddlewareTestCase(BaseTestCase):
def create_middleware(self, cb, **kwargs):
raise NotImplementedError("implement this in your tests")
def create_simple_middleware(self,
status='200 OK',
body='',
headers=None,
**kwargs):
def cb(req):
resp = webob.Response(body, status)
resp.headers.update(headers or {})
return resp
return self.create_middleware(cb, **kwargs)
def create_app(self, *args, **kwargs):
return webtest.TestApp(self.create_middleware(*args, **kwargs))
def create_simple_app(self, *args, **kwargs):
return webtest.TestApp(self.create_simple_middleware(*args, **kwargs))
class TestResponse(requests.Response):
"""Utility class to wrap requests.Response.
Class used to wrap requests.Response and provide some convenience to
initialize with a dict.
"""
def __init__(self, data):
self._text = None
super(TestResponse, self).__init__()
if isinstance(data, dict):
self.status_code = data.get('status_code', 200)
headers = data.get('headers')
if headers:
self.headers.update(headers)
# Fake the text attribute to streamline Response creation
# _content is defined by requests.Response
self._content = data.get('text')
else:
self.status_code = data
def __eq__(self, other):
"""Test if the response is equivalent to another response.
This works by comparing the attribute dictionaries of both TestResponse
instances.
"""
return self.__dict__ == other.__dict__
@property
def text(self):
return self.content
class DisableModuleFixture(fixtures.Fixture):
"""A fixture to provide support for unloading/disabling modules."""
def __init__(self, module, *args, **kw):
super(DisableModuleFixture, self).__init__(*args, **kw)
self.module = module
self._finders = []
self._cleared_modules = {}
def tearDown(self):
super(DisableModuleFixture, self).tearDown()
for finder in self._finders:
sys.meta_path.remove(finder)
sys.modules.update(self._cleared_modules)
def clear_module(self):
cleared_modules = {}
for fullname in list(sys.modules.keys()):
if (fullname == self.module or
fullname.startswith(self.module + '.')):
cleared_modules[fullname] = sys.modules.pop(fullname)
return cleared_modules
def setUp(self):
"""Ensure ImportError for the specified module."""
super(DisableModuleFixture, self).setUp()
# Clear 'module' references in sys.modules
self._cleared_modules.update(self.clear_module())
finder = NoModuleFinder(self.module)
self._finders.append(finder)
sys.meta_path.insert(0, finder)
class NoModuleFinder(object):
"""Disallow further imports of 'module'."""
def __init__(self, module):
self.module = module
def find_module(self, fullname, path):
if fullname == self.module or fullname.startswith(self.module + '.'):
raise ImportError
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