250 lines
9.0 KiB
Python
250 lines
9.0 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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from nova.api.openstack.compute.contrib import used_limits
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from nova.api.openstack.compute import limits
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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import nova.context
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from nova import exception
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from nova import quota
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from nova import test
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class FakeRequest(object):
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def __init__(self, context, reserved=False):
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self.environ = {'nova.context': context}
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self.reserved = reserved
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self.GET = {'reserved': 1} if reserved else {}
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class UsedLimitsTestCase(test.NoDBTestCase):
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def setUp(self):
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"""Run before each test."""
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super(UsedLimitsTestCase, self).setUp()
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self.ext_mgr = self.mox.CreateMock(extensions.ExtensionManager)
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self.controller = used_limits.UsedLimitsController(self.ext_mgr)
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self.fake_context = nova.context.RequestContext('fake', 'fake')
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self.mox.StubOutWithMock(used_limits, 'authorize_for_admin')
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self.authorize_for_admin = used_limits.authorize_for_admin
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def _do_test_used_limits(self, reserved):
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fake_req = FakeRequest(self.fake_context, reserved=reserved)
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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res = wsgi.ResponseObject(obj)
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quota_map = {
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'totalRAMUsed': 'ram',
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'totalCoresUsed': 'cores',
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'totalInstancesUsed': 'instances',
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'totalFloatingIpsUsed': 'floating_ips',
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'totalSecurityGroupsUsed': 'security_groups',
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}
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limits = {}
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for display_name, q in quota_map.iteritems():
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limits[q] = {'limit': len(display_name),
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'in_use': len(display_name) / 2,
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'reserved': len(display_name) / 3}
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def stub_get_project_quotas(context, project_id, usages=True):
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return limits
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self.stubs.Set(quota.QUOTAS, "get_project_quotas",
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stub_get_project_quotas)
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(False)
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self.mox.ReplayAll()
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self.controller.index(fake_req, res)
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abs_limits = res.obj['limits']['absolute']
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for used_limit, value in abs_limits.iteritems():
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r = limits[quota_map[used_limit]]['reserved'] if reserved else 0
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self.assertEqual(value,
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limits[quota_map[used_limit]]['in_use'] + r)
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def test_used_limits_basic(self):
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self._do_test_used_limits(False)
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def test_used_limits_with_reserved(self):
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self._do_test_used_limits(True)
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def test_admin_can_fetch_limits_for_a_given_tenant_id(self):
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project_id = "123456"
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user_id = "A1234"
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tenant_id = 'abcd'
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self.fake_context.project_id = project_id
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self.fake_context.user_id = user_id
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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target = {
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"project_id": tenant_id,
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"user_id": user_id
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}
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fake_req = FakeRequest(self.fake_context)
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fake_req.GET = {'tenant_id': tenant_id}
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(True)
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self.authorize_for_admin(self.fake_context, target=target)
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self.mox.StubOutWithMock(quota.QUOTAS, 'get_project_quotas')
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quota.QUOTAS.get_project_quotas(self.fake_context, '%s' % tenant_id,
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usages=True).AndReturn({})
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self.mox.ReplayAll()
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res = wsgi.ResponseObject(obj)
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self.controller.index(fake_req, res)
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def test_admin_can_fetch_used_limits_for_own_project(self):
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project_id = "123456"
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user_id = "A1234"
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self.fake_context.project_id = project_id
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self.fake_context.user_id = user_id
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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fake_req = FakeRequest(self.fake_context)
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fake_req.GET = {}
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(True)
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self.mox.StubOutWithMock(extensions, 'extension_authorizer')
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self.mox.StubOutWithMock(quota.QUOTAS, 'get_project_quotas')
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quota.QUOTAS.get_project_quotas(self.fake_context, '%s' % project_id,
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usages=True).AndReturn({})
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self.mox.ReplayAll()
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res = wsgi.ResponseObject(obj)
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self.controller.index(fake_req, res)
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def test_non_admin_cannot_fetch_used_limits_for_any_other_project(self):
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project_id = "123456"
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user_id = "A1234"
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tenant_id = "abcd"
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self.fake_context.project_id = project_id
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self.fake_context.user_id = user_id
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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target = {
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"project_id": tenant_id,
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"user_id": user_id
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}
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fake_req = FakeRequest(self.fake_context)
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fake_req.GET = {'tenant_id': tenant_id}
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(True)
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self.authorize_for_admin(self.fake_context, target=target). \
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AndRaise(exception.PolicyNotAuthorized(
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action="compute_extension:used_limits_for_admin"))
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self.mox.ReplayAll()
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res = wsgi.ResponseObject(obj)
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self.assertRaises(exception.PolicyNotAuthorized, self.controller.index,
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fake_req, res)
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def test_used_limits_fetched_for_context_project_id(self):
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project_id = "123456"
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self.fake_context.project_id = project_id
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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fake_req = FakeRequest(self.fake_context)
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(False)
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self.mox.StubOutWithMock(quota.QUOTAS, 'get_project_quotas')
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quota.QUOTAS.get_project_quotas(self.fake_context, project_id,
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usages=True).AndReturn({})
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self.mox.ReplayAll()
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res = wsgi.ResponseObject(obj)
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self.controller.index(fake_req, res)
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def test_used_ram_added(self):
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fake_req = FakeRequest(self.fake_context)
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obj = {
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"limits": {
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"rate": [],
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"absolute": {
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"maxTotalRAMSize": 512,
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},
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},
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}
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res = wsgi.ResponseObject(obj)
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def stub_get_project_quotas(context, project_id, usages=True):
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return {'ram': {'limit': 512, 'in_use': 256}}
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(False)
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self.stubs.Set(quota.QUOTAS, "get_project_quotas",
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stub_get_project_quotas)
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self.mox.ReplayAll()
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self.controller.index(fake_req, res)
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abs_limits = res.obj['limits']['absolute']
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self.assertIn('totalRAMUsed', abs_limits)
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self.assertEqual(abs_limits['totalRAMUsed'], 256)
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def test_no_ram_quota(self):
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fake_req = FakeRequest(self.fake_context)
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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res = wsgi.ResponseObject(obj)
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def stub_get_project_quotas(context, project_id, usages=True):
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return {}
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(False)
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self.stubs.Set(quota.QUOTAS, "get_project_quotas",
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stub_get_project_quotas)
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self.mox.ReplayAll()
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self.controller.index(fake_req, res)
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abs_limits = res.obj['limits']['absolute']
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self.assertNotIn('totalRAMUsed', abs_limits)
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def test_used_limits_xmlns(self):
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fake_req = FakeRequest(self.fake_context)
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obj = {
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"limits": {
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"rate": [],
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"absolute": {},
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},
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}
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res = wsgi.ResponseObject(obj, xml=limits.LimitsTemplate)
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res.preserialize('xml')
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def stub_get_project_quotas(context, project_id, usages=True):
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return {}
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self.ext_mgr.is_loaded('os-used-limits-for-admin').AndReturn(False)
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self.stubs.Set(quota.QUOTAS, "get_project_quotas",
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stub_get_project_quotas)
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self.mox.ReplayAll()
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self.controller.index(fake_req, res)
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response = res.serialize(None, 'xml')
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self.assertIn(used_limits.XMLNS, response.body)
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