vmware-nsx/quantum/tests/unit/test_extensions.py
Zhongyue Luo e58ce67179 Adds API parameters to quantum.api.extension.ResourceExtension
Part of blueprint quantum-api-wadl

Fixes bug #1104882

Change-Id: I0d30864d3176ab001b10948f1deb37b3c062987c
2013-02-11 13:26:53 +09:00

638 lines
26 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2011 OpenStack, LLC.
# 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 os
import unittest
import routes
import webob
import webtest
from quantum.api import extensions
from quantum.common import config
from quantum.db import db_base_plugin_v2
from quantum.openstack.common import jsonutils
from quantum.openstack.common import log as logging
from quantum.plugins.common import constants
from quantum.tests.unit import extension_stubs as ext_stubs
import quantum.tests.unit.extensions
from quantum.tests.unit import testlib_api
from quantum import wsgi
LOG = logging.getLogger(__name__)
ROOTDIR = os.path.dirname(os.path.dirname(__file__))
ETCDIR = os.path.join(ROOTDIR, 'etc')
def etcdir(*p):
return os.path.join(ETCDIR, *p)
extensions_path = ':'.join(quantum.tests.unit.extensions.__path__)
class ExtensionsTestApp(wsgi.Router):
def __init__(self, options={}):
mapper = routes.Mapper()
controller = ext_stubs.StubBaseAppController()
mapper.resource("dummy_resource", "/dummy_resources",
controller=controller)
super(ExtensionsTestApp, self).__init__(mapper)
class FakePluginWithExtension(db_base_plugin_v2.QuantumDbPluginV2):
"""A fake plugin used only for extension testing in this file."""
supported_extension_aliases = ["FOXNSOX"]
def method_to_support_foxnsox_extension(self, context):
self._log("method_to_support_foxnsox_extension", context)
class ResourceExtensionTest(unittest.TestCase):
class ResourceExtensionController(wsgi.Controller):
def index(self, request):
return "resource index"
def show(self, request, id):
return {'data': {'id': id}}
def notimplemented_function(self, request, id):
return webob.exc.HTTPClientError(NotImplementedError())
def custom_member_action(self, request, id):
return {'member_action': 'value'}
def custom_collection_action(self, request, **kwargs):
return {'collection': 'value'}
class DummySvcPlugin(wsgi.Controller):
def get_plugin_type(self):
return constants.DUMMY
def index(self, request, **kwargs):
return "resource index"
def custom_member_action(self, request, **kwargs):
return {'member_action': 'value'}
def collection_action(self, request, **kwargs):
return {'collection': 'value'}
def show(self, request, id):
return {'data': {'id': id}}
def test_exceptions_notimplemented(self):
controller = self.ResourceExtensionController()
member = {'notimplemented_function': "GET"}
res_ext = extensions.ResourceExtension('tweedles', controller,
member_actions=member)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
# Ideally we would check for a 501 code here but webtest doesn't take
# anything that is below 200 or above 400 so we can't actually check
# it. It throws webtest.AppError instead.
try:
response = (
test_app.get("/tweedles/some_id/notimplemented_function"))
# Shouldn't be reached
self.assertTrue(False)
except webtest.AppError:
pass
def test_resource_can_be_added_as_extension(self):
res_ext = extensions.ResourceExtension(
'tweedles', self.ResourceExtensionController())
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
index_response = test_app.get("/tweedles")
self.assertEqual(200, index_response.status_int)
self.assertEqual("resource index", index_response.body)
show_response = test_app.get("/tweedles/25266")
self.assertEqual({'data': {'id': "25266"}}, show_response.json)
def test_resource_gets_prefix_of_plugin(self):
class DummySvcPlugin(wsgi.Controller):
def index(self, request):
return ""
def get_plugin_type(self):
return constants.DUMMY
res_ext = extensions.ResourceExtension(
'tweedles', DummySvcPlugin(), path_prefix="/dummy_svc")
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
index_response = test_app.get("/dummy_svc/tweedles")
self.assertEqual(200, index_response.status_int)
def test_resource_extension_with_custom_member_action(self):
controller = self.ResourceExtensionController()
member = {'custom_member_action': "GET"}
res_ext = extensions.ResourceExtension('tweedles', controller,
member_actions=member)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.get("/tweedles/some_id/custom_member_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['member_action'],
"value")
def test_resource_ext_with_custom_member_action_gets_plugin_prefix(self):
controller = self.DummySvcPlugin()
member = {'custom_member_action': "GET"}
collections = {'collection_action': "GET"}
res_ext = extensions.ResourceExtension('tweedles', controller,
path_prefix="/dummy_svc",
member_actions=member,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.get("/dummy_svc/tweedles/1/custom_member_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['member_action'],
"value")
response = test_app.get("/dummy_svc/tweedles/collection_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'],
"value")
def test_plugin_prefix_with_parent_resource(self):
controller = self.DummySvcPlugin()
parent = dict(member_name="tenant",
collection_name="tenants")
member = {'custom_member_action': "GET"}
collections = {'collection_action': "GET"}
res_ext = extensions.ResourceExtension('tweedles', controller, parent,
path_prefix="/dummy_svc",
member_actions=member,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
index_response = test_app.get("/dummy_svc/tenants/1/tweedles")
self.assertEqual(200, index_response.status_int)
response = test_app.get("/dummy_svc/tenants/1/"
"tweedles/1/custom_member_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['member_action'],
"value")
response = test_app.get("/dummy_svc/tenants/2/"
"tweedles/collection_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'],
"value")
def test_resource_extension_for_get_custom_collection_action(self):
controller = self.ResourceExtensionController()
collections = {'custom_collection_action': "GET"}
res_ext = extensions.ResourceExtension('tweedles', controller,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.get("/tweedles/custom_collection_action")
self.assertEqual(200, response.status_int)
LOG.debug(jsonutils.loads(response.body))
self.assertEqual(jsonutils.loads(response.body)['collection'], "value")
def test_resource_extension_for_put_custom_collection_action(self):
controller = self.ResourceExtensionController()
collections = {'custom_collection_action': "PUT"}
res_ext = extensions.ResourceExtension('tweedles', controller,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.put("/tweedles/custom_collection_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'], 'value')
def test_resource_extension_for_post_custom_collection_action(self):
controller = self.ResourceExtensionController()
collections = {'custom_collection_action': "POST"}
res_ext = extensions.ResourceExtension('tweedles', controller,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.post("/tweedles/custom_collection_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'], 'value')
def test_resource_extension_for_delete_custom_collection_action(self):
controller = self.ResourceExtensionController()
collections = {'custom_collection_action': "DELETE"}
res_ext = extensions.ResourceExtension('tweedles', controller,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.delete("/tweedles/custom_collection_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'], 'value')
def test_resource_ext_for_formatted_req_on_custom_collection_action(self):
controller = self.ResourceExtensionController()
collections = {'custom_collection_action': "GET"}
res_ext = extensions.ResourceExtension('tweedles', controller,
collection_actions=collections)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.get("/tweedles/custom_collection_action.json")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'], "value")
def test_resource_ext_for_nested_resource_custom_collection_action(self):
controller = self.ResourceExtensionController()
collections = {'custom_collection_action': "GET"}
parent = dict(collection_name='beetles', member_name='beetle')
res_ext = extensions.ResourceExtension('tweedles', controller,
collection_actions=collections,
parent=parent)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.get("/beetles/beetle_id"
"/tweedles/custom_collection_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['collection'], "value")
def test_resource_extension_with_custom_member_action_and_attr_map(self):
controller = self.ResourceExtensionController()
member = {'custom_member_action': "GET"}
params = {
'tweedles': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': None},
'default': '', 'is_visible': True},
}
}
res_ext = extensions.ResourceExtension('tweedles', controller,
member_actions=member,
attr_map=params)
test_app = _setup_extensions_test_app(SimpleExtensionManager(res_ext))
response = test_app.get("/tweedles/some_id/custom_member_action")
self.assertEqual(200, response.status_int)
self.assertEqual(jsonutils.loads(response.body)['member_action'],
"value")
def test_returns_404_for_non_existent_extension(self):
test_app = _setup_extensions_test_app(SimpleExtensionManager(None))
response = test_app.get("/non_extistant_extension", status='*')
self.assertEqual(404, response.status_int)
class ActionExtensionTest(unittest.TestCase):
def setUp(self):
super(ActionExtensionTest, self).setUp()
self.extension_app = _setup_extensions_test_app()
def test_extended_action_for_adding_extra_data(self):
action_name = 'FOXNSOX:add_tweedle'
action_params = dict(name='Beetle')
req_body = jsonutils.dumps({action_name: action_params})
response = self.extension_app.post('/dummy_resources/1/action',
req_body,
content_type='application/json')
self.assertEqual("Tweedle Beetle Added.", response.body)
def test_extended_action_for_deleting_extra_data(self):
action_name = 'FOXNSOX:delete_tweedle'
action_params = dict(name='Bailey')
req_body = jsonutils.dumps({action_name: action_params})
response = self.extension_app.post("/dummy_resources/1/action",
req_body,
content_type='application/json')
self.assertEqual("Tweedle Bailey Deleted.", response.body)
def test_returns_404_for_non_existent_action(self):
non_existent_action = 'blah_action'
action_params = dict(name="test")
req_body = jsonutils.dumps({non_existent_action: action_params})
response = self.extension_app.post("/dummy_resources/1/action",
req_body,
content_type='application/json',
status='*')
self.assertEqual(404, response.status_int)
def test_returns_404_for_non_existent_resource(self):
action_name = 'add_tweedle'
action_params = dict(name='Beetle')
req_body = jsonutils.dumps({action_name: action_params})
response = self.extension_app.post("/asdf/1/action", req_body,
content_type='application/json',
status='*')
self.assertEqual(404, response.status_int)
class RequestExtensionTest(unittest.TestCase):
def test_headers_can_be_extended(self):
def extend_headers(req, res):
assert req.headers['X-NEW-REQUEST-HEADER'] == "sox"
res.headers['X-NEW-RESPONSE-HEADER'] = "response_header_data"
return res
app = self._setup_app_with_request_handler(extend_headers, 'GET')
response = app.get("/dummy_resources/1",
headers={'X-NEW-REQUEST-HEADER': "sox"})
self.assertEqual(response.headers['X-NEW-RESPONSE-HEADER'],
"response_header_data")
def test_extend_get_resource_response(self):
def extend_response_data(req, res):
data = jsonutils.loads(res.body)
data['FOXNSOX:extended_key'] = req.GET.get('extended_key')
res.body = jsonutils.dumps(data)
return res
app = self._setup_app_with_request_handler(extend_response_data, 'GET')
response = app.get("/dummy_resources/1?extended_key=extended_data")
self.assertEqual(200, response.status_int)
response_data = jsonutils.loads(response.body)
self.assertEqual('extended_data',
response_data['FOXNSOX:extended_key'])
self.assertEqual('knox', response_data['fort'])
def test_get_resources(self):
app = _setup_extensions_test_app()
response = app.get("/dummy_resources/1?chewing=newblue")
response_data = jsonutils.loads(response.body)
self.assertEqual('newblue', response_data['FOXNSOX:googoose'])
self.assertEqual("Pig Bands!", response_data['FOXNSOX:big_bands'])
def test_edit_previously_uneditable_field(self):
def _update_handler(req, res):
data = jsonutils.loads(res.body)
data['uneditable'] = req.params['uneditable']
res.body = jsonutils.dumps(data)
return res
base_app = webtest.TestApp(setup_base_app())
response = base_app.put("/dummy_resources/1",
{'uneditable': "new_value"})
self.assertEqual(response.json['uneditable'], "original_value")
ext_app = self._setup_app_with_request_handler(_update_handler,
'PUT')
ext_response = ext_app.put("/dummy_resources/1",
{'uneditable': "new_value"})
self.assertEqual(ext_response.json['uneditable'], "new_value")
def _setup_app_with_request_handler(self, handler, verb):
req_ext = extensions.RequestExtension(verb,
'/dummy_resources/:(id)',
handler)
manager = SimpleExtensionManager(None, None, req_ext)
return _setup_extensions_test_app(manager)
class ExtensionManagerTest(unittest.TestCase):
def test_invalid_extensions_are_not_registered(self):
class InvalidExtension(object):
"""
This Extension doesn't implement extension methods :
get_name, get_description, get_namespace and get_updated
"""
def get_alias(self):
return "invalid_extension"
ext_mgr = extensions.ExtensionManager('')
ext_mgr.add_extension(InvalidExtension())
ext_mgr.add_extension(ext_stubs.StubExtension("valid_extension"))
self.assertTrue('valid_extension' in ext_mgr.extensions)
self.assertFalse('invalid_extension' in ext_mgr.extensions)
class PluginAwareExtensionManagerTest(unittest.TestCase):
def test_unsupported_extensions_are_not_loaded(self):
stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1", "e3"])
plugin_info = {constants.CORE: stub_plugin}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(ext_stubs.StubExtension("e1"))
ext_mgr.add_extension(ext_stubs.StubExtension("e2"))
ext_mgr.add_extension(ext_stubs.StubExtension("e3"))
self.assertTrue("e1" in ext_mgr.extensions)
self.assertFalse("e2" in ext_mgr.extensions)
self.assertTrue("e3" in ext_mgr.extensions)
def test_extensions_are_not_loaded_for_plugins_unaware_of_extensions(self):
class ExtensionUnawarePlugin(object):
"""
This plugin does not implement supports_extension method.
Extensions will not be loaded when this plugin is used.
"""
pass
plugin_info = {constants.CORE: ExtensionUnawarePlugin()}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(ext_stubs.StubExtension("e1"))
self.assertFalse("e1" in ext_mgr.extensions)
def test_extensions_not_loaded_for_plugin_without_expected_interface(self):
class PluginWithoutExpectedIface(object):
"""
Plugin does not implement get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
plugin_info = {constants.CORE: PluginWithoutExpectedIface()}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(
ext_stubs.ExtensionExpectingPluginInterface("supported_extension"))
self.assertFalse("e1" in ext_mgr.extensions)
def test_extensions_are_loaded_for_plugin_with_expected_interface(self):
class PluginWithExpectedInterface(object):
"""
This Plugin implements get_foo method as expected by extension
"""
supported_extension_aliases = ["supported_extension"]
def get_foo(self, bar=None):
pass
plugin_info = {constants.CORE: PluginWithExpectedInterface()}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(
ext_stubs.ExtensionExpectingPluginInterface("supported_extension"))
self.assertTrue("supported_extension" in ext_mgr.extensions)
def test_extensions_expecting_quantum_plugin_interface_are_loaded(self):
class ExtensionForQuamtumPluginInterface(ext_stubs.StubExtension):
"""
This Extension does not implement get_plugin_interface method.
This will work with any plugin implementing QuantumPluginBase
"""
pass
stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1"])
plugin_info = {constants.CORE: stub_plugin}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(ExtensionForQuamtumPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_extensions_without_need_for__plugin_interface_are_loaded(self):
class ExtensionWithNoNeedForPluginInterface(ext_stubs.StubExtension):
"""
This Extension does not need any plugin interface.
This will work with any plugin implementing QuantumPluginBase
"""
def get_plugin_interface(self):
return None
stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1"])
plugin_info = {constants.CORE: stub_plugin}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(ExtensionWithNoNeedForPluginInterface("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
def test_extension_loaded_for_non_core_plugin(self):
class NonCorePluginExtenstion(ext_stubs.StubExtension):
def get_plugin_interface(self):
return None
stub_plugin = ext_stubs.StubPlugin(supported_extensions=["e1"])
plugin_info = {constants.DUMMY: stub_plugin}
ext_mgr = extensions.PluginAwareExtensionManager('', plugin_info)
ext_mgr.add_extension(NonCorePluginExtenstion("e1"))
self.assertTrue("e1" in ext_mgr.extensions)
class ExtensionControllerTest(testlib_api.WebTestCase):
def setUp(self):
super(ExtensionControllerTest, self).setUp()
self.test_app = _setup_extensions_test_app()
def test_index_gets_all_registerd_extensions(self):
response = self.test_app.get("/extensions." + self.fmt)
res_body = self.deserialize(response)
foxnsox = res_body["extensions"][0]
self.assertEqual(foxnsox["alias"], "FOXNSOX")
self.assertEqual(foxnsox["namespace"],
"http://www.fox.in.socks/api/ext/pie/v1.0")
def test_extension_can_be_accessed_by_alias(self):
response = self.test_app.get("/extensions/FOXNSOX." + self.fmt)
foxnsox_extension = self.deserialize(response)
foxnsox_extension = foxnsox_extension['extension']
self.assertEqual(foxnsox_extension["alias"], "FOXNSOX")
self.assertEqual(foxnsox_extension["namespace"],
"http://www.fox.in.socks/api/ext/pie/v1.0")
def test_show_returns_not_found_for_non_existent_extension(self):
response = self.test_app.get("/extensions/non_existent" + self.fmt,
status="*")
self.assertEqual(response.status_int, 404)
class ExtensionControllerTestXML(ExtensionControllerTest):
fmt = 'xml'
def app_factory(global_conf, **local_conf):
conf = global_conf.copy()
conf.update(local_conf)
return ExtensionsTestApp(conf)
def setup_base_app():
config_file = 'quantum.conf.test'
args = ['--config-file', etcdir(config_file)]
config.parse(args=args)
app = config.load_paste_app('extensions_test_app')
return app
def setup_extensions_middleware(extension_manager=None):
extension_manager = (extension_manager or
extensions.PluginAwareExtensionManager(
extensions_path,
{constants.CORE: FakePluginWithExtension()}))
config_file = 'quantum.conf.test'
args = ['--config-file', etcdir(config_file)]
config.parse(args=args)
app = config.load_paste_app('extensions_test_app')
return extensions.ExtensionMiddleware(app, ext_mgr=extension_manager)
def _setup_extensions_test_app(extension_manager=None):
return webtest.TestApp(setup_extensions_middleware(extension_manager))
class SimpleExtensionManager(object):
def __init__(self, resource_ext=None, action_ext=None, request_ext=None):
self.resource_ext = resource_ext
self.action_ext = action_ext
self.request_ext = request_ext
def get_resources(self):
resource_exts = []
if self.resource_ext:
resource_exts.append(self.resource_ext)
return resource_exts
def get_actions(self):
action_exts = []
if self.action_ext:
action_exts.append(self.action_ext)
return action_exts
def get_request_extensions(self):
request_extensions = []
if self.request_ext:
request_extensions.append(self.request_ext)
return request_extensions