462 lines
18 KiB
Python
462 lines
18 KiB
Python
# Copyright 2015 Clinton Knight
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import ddt
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from oslo_serialization import jsonutils
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from oslo_utils import encodeutils
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import six
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from six.moves import http_client
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import webob
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from cinder.api.openstack import api_version_request
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from cinder.api.openstack import wsgi
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from cinder.api.v3 import router
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from cinder.api import versions
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from cinder import exception
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from cinder import test
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from cinder.tests.unit.api import fakes
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VERSION_HEADER_NAME = 'OpenStack-API-Version'
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VOLUME_SERVICE = 'volume '
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@ddt.ddt
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class VersionsControllerTestCase(test.TestCase):
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def setUp(self):
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super(VersionsControllerTestCase, self).setUp()
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self.wsgi_apps = (versions.Versions(), router.APIRouter())
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def build_request(self, base_dir=None, base_url='http://localhost/v3',
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header_version=None):
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if base_dir:
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req = fakes.HTTPRequest.blank(base_dir, base_url=base_url)
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else:
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req = fakes.HTTPRequest.blank('/', base_url=base_url)
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req.method = 'GET'
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req.content_type = 'application/json'
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if header_version:
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req.headers = {VERSION_HEADER_NAME: VOLUME_SERVICE +
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header_version}
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return req
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def check_response(self, response, version):
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self.assertEqual(VOLUME_SERVICE + version,
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response.headers[VERSION_HEADER_NAME])
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self.assertEqual(VERSION_HEADER_NAME, response.headers['Vary'])
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@ddt.data('2.0', '3.0')
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def test_versions_root(self, version):
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req = self.build_request(base_url='http://localhost')
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response = req.get_response(versions.Versions())
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self.assertEqual(http_client.MULTIPLE_CHOICES, response.status_int)
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body = jsonutils.loads(response.body)
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version_list = body['versions']
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ids = [v['id'] for v in version_list]
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self.assertEqual({'v2.0', 'v3.0'}, set(ids))
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v2 = [v for v in version_list if v['id'] == 'v2.0'][0]
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self.assertEqual('', v2.get('min_version'))
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self.assertEqual('', v2.get('version'))
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v3 = [v for v in version_list if v['id'] == 'v3.0'][0]
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self.assertEqual(api_version_request._MAX_API_VERSION,
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v3.get('version'))
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self.assertEqual(api_version_request._MIN_API_VERSION,
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v3.get('min_version'))
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def test_versions_v2_no_header(self):
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req = self.build_request(base_url='http://localhost/v2')
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response = req.get_response(router.APIRouter())
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self.assertEqual(http_client.OK, response.status_int)
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@ddt.data('2.0', '3.0')
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def test_versions(self, version):
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req = self.build_request(
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base_url='http://localhost/v{}'.format(version[0]),
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header_version=version)
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if version is not None:
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req.headers = {VERSION_HEADER_NAME: VOLUME_SERVICE + version}
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response = req.get_response(router.APIRouter())
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self.assertEqual(http_client.OK, response.status_int)
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body = jsonutils.loads(response.body)
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version_list = body['versions']
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ids = [v['id'] for v in version_list]
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self.assertEqual({'v{}'.format(version)}, set(ids))
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if version == '3.0':
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self.check_response(response, version)
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self.assertEqual(api_version_request._MAX_API_VERSION,
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version_list[0].get('version'))
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self.assertEqual(api_version_request._MIN_API_VERSION,
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version_list[0].get('min_version'))
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else:
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self.assertEqual('', version_list[0].get('min_version'))
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self.assertEqual('', version_list[0].get('version'))
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def test_versions_version_latest(self):
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req = self.build_request(header_version='latest')
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response = req.get_response(router.APIRouter())
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self.assertEqual(http_client.OK, response.status_int)
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self.check_response(response, api_version_request._MAX_API_VERSION)
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def test_versions_version_invalid(self):
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req = self.build_request(header_version='2.0.1')
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for app in self.wsgi_apps:
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response = req.get_response(app)
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self.assertEqual(http_client.BAD_REQUEST, response.status_int)
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@ddt.data('2.0', '3.0')
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def test_versions_response_fault(self, version):
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req = self.build_request(header_version=version)
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req.api_version_request = (
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api_version_request.APIVersionRequest(version))
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app = wsgi.Fault(webob.exc.HTTPBadRequest(explanation='what?'))
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response = req.get_response(app)
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self.assertEqual(http_client.BAD_REQUEST, response.status_int)
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if version == '3.0':
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self.check_response(response, '3.0')
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else:
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self.assertNotIn(VERSION_HEADER_NAME, response.headers)
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def test_versions_inheritance_internals_of_non_base_controller(self):
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"""Test ControllerMetaclass works inheriting from non base class."""
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def _get_str_version(version):
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return "%s.%s" % (version._ver_major, version._ver_minor)
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def assert_method_equal(expected, observed):
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if six.PY2:
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expected = expected.im_func
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self.assertEqual(expected, observed)
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class ControllerParent(wsgi.Controller):
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@wsgi.Controller.api_version('3.0')
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def index(self, req):
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pass
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# We create this class in between to confirm that we don't leave
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# undesired versioned methods in the wsgi.Controller class.
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class Controller(wsgi.Controller):
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@wsgi.Controller.api_version('2.0')
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def index(self, req):
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pass
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class ControllerChild(ControllerParent):
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@wsgi.Controller.api_version('3.1')
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def index(self, req):
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pass
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@wsgi.Controller.api_version('3.2')
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def new_method(self, req):
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pass
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# ControllerParent will only have its own index method
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self.assertSetEqual({'index'}, set(ControllerParent.versioned_methods))
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self.assertEqual(1, len(ControllerParent.versioned_methods['index']))
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index = ControllerParent.versioned_methods['index'][0]
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assert_method_equal(ControllerParent.index, index.func)
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self.assertEqual('index', index.name)
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self.assertEqual('3.0', _get_str_version(index.start_version))
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self.assertEqual('None.None', _get_str_version(index.end_version))
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# Same thing will happen with the Controller class, thus confirming
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# that we don't cross pollinate our classes with undesired methods.
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self.assertSetEqual({'index'}, set(Controller.versioned_methods))
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self.assertEqual(1, len(Controller.versioned_methods['index']))
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index = Controller.versioned_methods['index'][0]
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assert_method_equal(Controller.index, index.func)
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self.assertEqual('index', index.name)
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self.assertEqual('2.0', _get_str_version(index.start_version))
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self.assertEqual('None.None', _get_str_version(index.end_version))
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# ControllerChild will inherit index method from ControllerParent and
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# add its own version as well as add a new method
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self.assertSetEqual({'index', 'new_method'},
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set(ControllerChild.versioned_methods))
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self.assertEqual(2, len(ControllerChild.versioned_methods['index']))
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# The methods are ordered from newest version to oldest version
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index = ControllerChild.versioned_methods['index'][0]
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assert_method_equal(ControllerChild.index, index.func)
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self.assertEqual('index', index.name)
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self.assertEqual('3.1', _get_str_version(index.start_version))
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self.assertEqual('None.None', _get_str_version(index.end_version))
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index = ControllerChild.versioned_methods['index'][1]
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assert_method_equal(ControllerParent.index, index.func)
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self.assertEqual('index', index.name)
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self.assertEqual('3.0', _get_str_version(index.start_version))
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self.assertEqual('None.None', _get_str_version(index.end_version))
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# New method also gets added even if it didn't exist in any of the base
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# classes.
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self.assertEqual(1,
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len(ControllerChild.versioned_methods['new_method']))
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new_method = ControllerChild.versioned_methods['new_method'][0]
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assert_method_equal(ControllerChild.new_method, new_method.func)
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self.assertEqual('new_method', new_method.name)
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self.assertEqual('3.2', _get_str_version(new_method.start_version))
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self.assertEqual('None.None', _get_str_version(new_method.end_version))
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@ddt.data(
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('2.0', 'index', http_client.NOT_ACCEPTABLE, 'ControllerParent'),
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('2.0', 'show', http_client.NOT_ACCEPTABLE, 'ControllerParent'),
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('3.0', 'index', http_client.NOT_FOUND, 'ControllerParent'),
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('3.0', 'show', http_client.NOT_FOUND, 'ControllerParent'),
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('3.1', 'index', 'parent', 'ControllerParent'),
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('3.1', 'show', http_client.NOT_FOUND, 'ControllerParent'),
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('3.2', 'index', 'parent', 'ControllerParent'),
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('3.2', 'show', http_client.NOT_FOUND, 'ControllerParent'),
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('2.0', 'index', http_client.NOT_ACCEPTABLE, 'Controller'),
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('2.0', 'show', http_client.NOT_ACCEPTABLE, 'Controller'),
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('3.0', 'index', http_client.NOT_FOUND, 'Controller'),
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('3.0', 'show', http_client.NOT_FOUND, 'Controller'),
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('3.1', 'index', 'single', 'Controller'),
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('3.1', 'show', http_client.NOT_FOUND, 'Controller'),
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('3.2', 'index', 'single', 'Controller'),
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('3.2', 'show', http_client.NOT_FOUND, 'Controller'),
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('2.0', 'index', http_client.NOT_ACCEPTABLE, 'ControllerChild'),
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('2.0', 'show', http_client.NOT_ACCEPTABLE, 'ControllerChild'),
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('3.0', 'index', http_client.NOT_FOUND, 'ControllerChild'),
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('3.0', 'show', http_client.NOT_FOUND, 'ControllerChild'),
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('3.1', 'index', 'parent', 'ControllerChild'),
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('3.1', 'show', http_client.NOT_FOUND, 'ControllerChild'),
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('3.2', 'index', 'child 3.2', 'ControllerChild'),
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('3.2', 'show', http_client.NOT_FOUND, 'ControllerChild'),
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('3.3', 'index', 'child 3.3', 'ControllerChild'),
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('3.3', 'show', 'show', 'ControllerChild'),
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('3.4', 'index', 'child 3.4', 'ControllerChild'))
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@ddt.unpack
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def test_versions_inheritance_of_non_base_controller(self, version, call,
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expected, controller):
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"""Test ControllerMetaclass works inheriting from non base class."""
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class ControllerParent(wsgi.Controller):
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@wsgi.Controller.api_version('3.1')
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def index(self, req):
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return 'parent'
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# We create this class in between to confirm that we don't leave
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# undesired versioned methods in the wsgi.Controller class.
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class Controller(wsgi.Controller):
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@wsgi.Controller.api_version('3.1')
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def index(self, req):
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return 'single'
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class ControllerChild(ControllerParent):
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# We don't add max version to confirm that once we set a newer
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# version it doesn't really matter because the newest one will be
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# called.
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@wsgi.Controller.api_version('3.2')
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def index(self, req):
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return 'child 3.2'
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@index.api_version('3.3')
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def index(self, req):
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return 'child 3.3'
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@index.api_version('3.4')
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def index(self, req):
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return 'child 3.4'
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@wsgi.Controller.api_version('3.3')
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def show(self, req, *args, **kwargs):
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return 'show'
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base_dir = '/tests' if call == 'index' else '/tests/123'
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req = self.build_request(base_dir=base_dir, header_version=version)
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app = fakes.TestRouter(locals()[controller]())
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response = req.get_response(app)
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resp = encodeutils.safe_decode(response.body, incoming='utf-8')
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if isinstance(expected, six.string_types):
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self.assertEqual(http_client.OK, response.status_int)
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self.assertEqual(expected, resp)
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else:
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self.assertEqual(expected, response.status_int)
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def test_versions_version_not_found(self):
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api_version_request_4_0 = api_version_request.APIVersionRequest('4.0')
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self.mock_object(api_version_request,
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'max_api_version',
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return_value=api_version_request_4_0)
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class Controller(wsgi.Controller):
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@wsgi.Controller.api_version('3.0', '3.0')
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def index(self, req):
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return 'off'
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req = self.build_request(header_version='3.5')
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app = fakes.TestRouter(Controller())
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response = req.get_response(app)
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self.assertEqual(http_client.NOT_FOUND, response.status_int)
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def test_versions_version_not_acceptable(self):
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req = self.build_request(header_version='4.0')
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response = req.get_response(router.APIRouter())
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self.assertEqual(http_client.NOT_ACCEPTABLE, response.status_int)
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@ddt.data(['volume 3.0, compute 2.22', True],
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['volume 3.0, compute 2.22, identity 2.3', True],
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['compute 2.22, identity 2.3', False])
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@ddt.unpack
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def test_versions_multiple_services_header(
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self, service_list, should_pass):
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req = self.build_request()
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req.headers = {VERSION_HEADER_NAME: service_list}
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try:
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response = req.get_response(router.APIRouter())
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except exception.VersionNotFoundForAPIMethod:
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if should_pass:
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raise
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elif not should_pass:
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return
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self.assertEqual(http_client.OK, response.status_int)
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body = jsonutils.loads(response.body)
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version_list = body['versions']
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ids = [v['id'] for v in version_list]
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self.assertEqual({'v3.0'}, set(ids))
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self.check_response(response, '3.0')
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self.assertEqual(api_version_request._MAX_API_VERSION,
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version_list[0].get('version'))
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self.assertEqual(api_version_request._MIN_API_VERSION,
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version_list[0].get('min_version'))
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@ddt.data(['3.5', http_client.OK], ['3.55', http_client.NOT_FOUND])
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@ddt.unpack
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def test_req_version_matches(self, version, HTTP_ret):
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version_request = api_version_request.APIVersionRequest(version)
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self.mock_object(api_version_request,
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'max_api_version',
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return_value=version_request)
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class Controller(wsgi.Controller):
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@wsgi.Controller.api_version('3.0', '3.6')
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def index(self, req):
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return 'off'
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req = self.build_request(base_dir='/tests', header_version=version)
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app = fakes.TestRouter(Controller())
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response = req.get_response(app)
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resp = encodeutils.safe_decode(response.body, incoming='utf-8')
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if HTTP_ret == http_client.OK:
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self.assertEqual('off', resp)
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elif HTTP_ret == http_client.NOT_FOUND:
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self.assertNotEqual('off', resp)
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self.assertEqual(HTTP_ret, response.status_int)
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@ddt.data(['3.5', 'older'], ['3.37', 'newer'])
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@ddt.unpack
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def test_req_version_matches_with_if(self, version, ret_val):
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version_request = api_version_request.APIVersionRequest(version)
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self.mock_object(api_version_request,
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'max_api_version',
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return_value=version_request)
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class Controller(wsgi.Controller):
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def index(self, req):
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req_version = req.api_version_request
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if req_version.matches('3.1', '3.8'):
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return 'older'
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if req_version.matches('3.9', '8.8'):
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return 'newer'
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req = self.build_request(base_dir='/tests', header_version=version)
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app = fakes.TestRouter(Controller())
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response = req.get_response(app)
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resp = encodeutils.safe_decode(response.body, incoming='utf-8')
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self.assertEqual(ret_val, resp)
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self.assertEqual(http_client.OK, response.status_int)
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@ddt.data(['3.5', 'older'], ['3.37', 'newer'])
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@ddt.unpack
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def test_req_version_matches_with_None(self, version, ret_val):
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version_request = api_version_request.APIVersionRequest(version)
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self.mock_object(api_version_request,
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'max_api_version',
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return_value=version_request)
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class Controller(wsgi.Controller):
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def index(self, req):
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req_version = req.api_version_request
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if req_version.matches(None, '3.8'):
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return 'older'
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if req_version.matches('3.9', None):
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return 'newer'
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req = self.build_request(base_dir='/tests', header_version=version)
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app = fakes.TestRouter(Controller())
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response = req.get_response(app)
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resp = encodeutils.safe_decode(response.body, incoming='utf-8')
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self.assertEqual(ret_val, resp)
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self.assertEqual(http_client.OK, response.status_int)
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def test_req_version_matches_with_None_None(self):
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version_request = api_version_request.APIVersionRequest('3.39')
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self.mock_object(api_version_request,
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'max_api_version',
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return_value=version_request)
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class Controller(wsgi.Controller):
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def index(self, req):
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req_version = req.api_version_request
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# This case is artificial, and will return True
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if req_version.matches(None, None):
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return "Pass"
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req = self.build_request(base_dir='/tests', header_version='3.39')
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app = fakes.TestRouter(Controller())
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response = req.get_response(app)
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resp = encodeutils.safe_decode(response.body, incoming='utf-8')
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self.assertEqual("Pass", resp)
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self.assertEqual(http_client.OK, response.status_int)
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