340 lines
14 KiB
Python
340 lines
14 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Nebula, Inc.
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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 datetime
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import os
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import cloudfiles as swift_client
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from django import http
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from django import test as django_test
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from django.conf import settings
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from django.contrib.messages.storage import default_storage
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from django.core.handlers import wsgi
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from django.test.client import RequestFactory
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from functools import wraps
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from glanceclient.v1 import client as glance_client
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from keystoneclient.v2_0 import client as keystone_client
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from novaclient.v1_1 import client as nova_client
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import httplib2
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import mox
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from horizon import api
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from horizon import context_processors
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from horizon import middleware
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from horizon import users
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from horizon.tests.test_data.utils import load_test_data
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from .time import time
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from .time import today
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from .time import utcnow
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# Makes output of failing mox tests much easier to read.
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wsgi.WSGIRequest.__repr__ = lambda self: "<class 'django.http.HttpRequest'>"
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def create_stubs(stubs_to_create={}):
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if not isinstance(stubs_to_create, dict):
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raise TypeError("create_stub must be passed a dict, but a %s was "
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"given." % type(stubs_to_create).__name__)
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def inner_stub_out(fn):
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@wraps(fn)
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def instance_stub_out(self):
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for key in stubs_to_create:
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if not (isinstance(stubs_to_create[key], tuple) or
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isinstance(stubs_to_create[key], list)):
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raise TypeError("The values of the create_stub "
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"dict must be lists or tuples, but "
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"is a %s."
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% type(stubs_to_create[key]).__name__)
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for value in stubs_to_create[key]:
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self.mox.StubOutWithMock(key, value)
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return fn(self)
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return instance_stub_out
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return inner_stub_out
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class RequestFactoryWithMessages(RequestFactory):
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def get(self, *args, **kwargs):
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req = super(RequestFactoryWithMessages, self).get(*args, **kwargs)
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req.session = []
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req._messages = default_storage(req)
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return req
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def post(self, *args, **kwargs):
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req = super(RequestFactoryWithMessages, self).post(*args, **kwargs)
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req.session = []
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req._messages = default_storage(req)
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return req
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class TestCase(django_test.TestCase):
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"""
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Specialized base test case class for Horizon which gives access to
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numerous additional features:
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* A full suite of test data through various attached objects and
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managers (e.g. ``self.servers``, ``self.user``, etc.). See the
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docs for :class:`~horizon.tests.test_data.utils.TestData` for more
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information.
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* The ``mox`` mocking framework via ``self.mox``.
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* A set of request context data via ``self.context``.
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* A ``RequestFactory`` class which supports Django's ``contrib.messages``
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framework via ``self.factory``.
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* A ready-to-go request object via ``self.request``.
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* The ability to override specific time data controls for easier testing.
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* Several handy additional assertion methods.
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"""
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def setUp(self):
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load_test_data(self)
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self.mox = mox.Mox()
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self.factory = RequestFactoryWithMessages()
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self.context = {'authorized_tenants': self.tenants.list()}
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def fake_conn_request(*args, **kwargs):
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raise Exception("An external URI request tried to escape through "
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"an httplib2 client. Args: %s, kwargs: %s"
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% (args, kwargs))
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self._real_conn_request = httplib2.Http._conn_request
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httplib2.Http._conn_request = fake_conn_request
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self._real_horizon_context_processor = context_processors.horizon
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context_processors.horizon = lambda request: self.context
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self._real_get_user_from_request = users.get_user_from_request
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tenants = self.context['authorized_tenants']
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self.setActiveUser(id=self.user.id,
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token=self.token.id,
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username=self.user.name,
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tenant_id=self.tenant.id,
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service_catalog=self.service_catalog,
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authorized_tenants=tenants)
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self.request = http.HttpRequest()
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self.request.session = self.client._session()
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self.request.session['token'] = self.token.id
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middleware.HorizonMiddleware().process_request(self.request)
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os.environ["HORIZON_TEST_RUN"] = "True"
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def tearDown(self):
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self.mox.UnsetStubs()
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httplib2.Http._conn_request = self._real_conn_request
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context_processors.horizon = self._real_horizon_context_processor
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users.get_user_from_request = self._real_get_user_from_request
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self.mox.VerifyAll()
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del os.environ["HORIZON_TEST_RUN"]
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def setActiveUser(self, id=None, token=None, username=None, tenant_id=None,
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service_catalog=None, tenant_name=None, roles=None,
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authorized_tenants=None):
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users.get_user_from_request = lambda x: \
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users.User(id=id,
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token=token,
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user=username,
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tenant_id=tenant_id,
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service_catalog=service_catalog,
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roles=roles,
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authorized_tenants=authorized_tenants,
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request=self.request)
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def override_times(self):
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""" Overrides the "current" time with immutable values. """
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now = datetime.datetime.utcnow()
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time.override_time = \
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datetime.time(now.hour, now.minute, now.second)
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today.override_time = datetime.date(now.year, now.month, now.day)
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utcnow.override_time = now
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return now
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def reset_times(self):
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""" Undoes the changes made by ``override_times``. """
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time.override_time = None
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today.override_time = None
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utcnow.override_time = None
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def assertRedirectsNoFollow(self, response, expected_url):
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"""
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Asserts that the given response issued a 302 redirect without
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processing the view which is redirected to.
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"""
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assert (response.status_code / 100 == 3), \
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"The response did not return a redirect."
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self.assertEqual(response._headers.get('location', None),
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('Location', settings.TESTSERVER + expected_url))
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self.assertEqual(response.status_code, 302)
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def assertNoMessages(self, response=None):
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"""
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Asserts that no messages have been attached by the ``contrib.messages``
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framework.
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"""
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self.assertMessageCount(response, success=0, warn=0, info=0, error=0)
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def assertMessageCount(self, response=None, **kwargs):
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"""
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Asserts that the specified number of messages have been attached
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for various message types. Usage would look like
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``self.assertMessageCount(success=1)``.
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"""
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temp_req = self.client.request(**{'wsgi.input': None})
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temp_req.COOKIES = self.client.cookies
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storage = default_storage(temp_req)
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messages = []
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if response is None:
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# To gain early access to the messages we have to decode the
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# cookie on the test client.
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if 'messages' in self.client.cookies:
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message_cookie = self.client.cookies['messages'].value
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messages = storage._decode(message_cookie)
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# Check for messages in the context
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elif hasattr(response, "context") and "messages" in response.context:
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messages = response.context["messages"]
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# Check for messages attached to the request on a TemplateResponse
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elif hasattr(response, "_request") and hasattr(response._request,
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"_messages"):
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messages = response._request._messages._queued_messages
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# If we don't have messages and we don't expect messages, we're done.
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if not any(kwargs.values()) and not messages:
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return
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# If we expected messages and have none, that's a problem.
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if any(kwargs.values()) and not messages:
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error_msg = "Messages were expected, but none were set."
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assert 0 == sum(kwargs.values()), error_msg
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# Otherwise, make sure we got the expected messages.
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for msg_type, count in kwargs.items():
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msgs = [m.message for m in messages if msg_type in m.tags]
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assert len(msgs) == count, \
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"%s messages not as expected: %s" % (msg_type.title(),
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", ".join(msgs))
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def assertNoFormErrors(self, response, context_name="form"):
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"""
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Asserts that the response either does not contain a form in it's
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context, or that if it does, that form has no errors.
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"""
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context = getattr(response, "context", {})
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if not context or context_name not in context:
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return True
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errors = response.context[context_name]._errors
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assert len(errors) == 0, \
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"Unexpected errors were found on the form: %s" % errors
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def assertFormErrors(self, response, count=0, message=None,
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context_name="form"):
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"""
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Asserts that the response does contain a form in it's
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context, and that form has errors, if count were given,
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it must match the exact numbers of errors
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"""
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context = getattr(response, "context", {})
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assert (context and context_name in context), \
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"The response did not contain a form."
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errors = response.context[context_name]._errors
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if count:
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assert len(errors) == count, \
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"%d errors were found on the form, %d expected" % \
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(len(errors), count)
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if message and message not in unicode(errors):
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self.fail("Expected message not found, instead found: %s"
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% ["%s: %s" % (key, [e for e in field_errors]) for
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(key, field_errors) in errors.items()])
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else:
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assert len(errors) > 0, "No errors were found on the form"
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class BaseAdminViewTests(TestCase):
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"""
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A ``TestCase`` subclass which sets an active user with the "admin" role
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for testing admin-only views and functionality.
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"""
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def setActiveUser(self, *args, **kwargs):
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if "roles" not in kwargs:
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kwargs['roles'] = [self.roles.admin._info]
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super(BaseAdminViewTests, self).setActiveUser(*args, **kwargs)
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class APITestCase(TestCase):
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"""
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The ``APITestCase`` class is for use with tests which deal with the
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underlying clients rather than stubbing out the horizon.api.* methods.
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"""
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def setUp(self):
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super(APITestCase, self).setUp()
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def fake_keystoneclient(request, username=None, password=None,
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tenant_id=None, token_id=None, endpoint=None,
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admin=False):
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"""
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Wrapper function which returns the stub keystoneclient. Only
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necessary because the function takes too many arguments to
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conveniently be a lambda.
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"""
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return self.stub_keystoneclient()
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# Store the original clients
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self._original_glanceclient = api.glance.glanceclient
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self._original_keystoneclient = api.keystone.keystoneclient
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self._original_novaclient = api.nova.novaclient
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# Replace the clients with our stubs.
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api.glance.glanceclient = lambda request: self.stub_glanceclient()
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api.keystone.keystoneclient = fake_keystoneclient
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api.nova.novaclient = lambda request: self.stub_novaclient()
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def tearDown(self):
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super(APITestCase, self).tearDown()
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api.glance.glanceclient = self._original_glanceclient
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api.nova.novaclient = self._original_novaclient
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api.keystone.keystoneclient = self._original_keystoneclient
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def stub_novaclient(self):
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if not hasattr(self, "novaclient"):
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self.mox.StubOutWithMock(nova_client, 'Client')
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self.novaclient = self.mox.CreateMock(nova_client.Client)
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return self.novaclient
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def stub_keystoneclient(self):
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if not hasattr(self, "keystoneclient"):
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self.mox.StubOutWithMock(keystone_client, 'Client')
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self.keystoneclient = self.mox.CreateMock(keystone_client.Client)
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return self.keystoneclient
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def stub_glanceclient(self):
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if not hasattr(self, "glanceclient"):
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self.mox.StubOutWithMock(glance_client, 'Client')
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self.glanceclient = self.mox.CreateMock(glance_client.Client)
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return self.glanceclient
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def stub_swiftclient(self, expected_calls=1):
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if not hasattr(self, "swiftclient"):
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self.mox.StubOutWithMock(swift_client, 'Connection')
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self.swiftclient = self.mox.CreateMock(swift_client.Connection)
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while expected_calls:
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swift_client.Connection(auth=mox.IgnoreArg())\
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.AndReturn(self.swiftclient)
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expected_calls -= 1
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return self.swiftclient
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