glance/glance/tests/unit/v2/test_v2_policy.py

154 lines
6.5 KiB
Python

# Copyright 2021 Red Hat, Inc
#
# 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.
from unittest import mock
import webob.exc
from glance.api.v2 import policy
from glance.common import exception
from glance.tests import utils
class APIPolicyBase(utils.BaseTestCase):
def setUp(self):
super(APIPolicyBase, self).setUp()
self.enforcer = mock.MagicMock()
self.context = mock.MagicMock()
self.policy = policy.APIPolicyBase(self.context,
enforcer=self.enforcer)
def test_enforce(self):
# Enforce passes
self.policy._enforce('fake_rule')
self.enforcer.enforce.assert_called_once_with(
self.context,
'fake_rule',
mock.ANY)
# Make sure that Forbidden gets caught and translated
self.enforcer.enforce.side_effect = exception.Forbidden
self.assertRaises(webob.exc.HTTPForbidden,
self.policy._enforce, 'fake_rule')
# Any other exception comes straight through
self.enforcer.enforce.side_effect = exception.ImageNotFound
self.assertRaises(exception.ImageNotFound,
self.policy._enforce, 'fake_rule')
def test_check(self):
# Check passes
self.assertTrue(self.policy.check('_enforce', 'fake_rule'))
# Check fails
self.enforcer.enforce.side_effect = exception.Forbidden
self.assertFalse(self.policy.check('_enforce', 'fake_rule'))
class APIImagePolicy(APIPolicyBase):
def setUp(self):
super(APIImagePolicy, self).setUp()
self.image = mock.MagicMock()
self.policy = policy.ImageAPIPolicy(self.context, self.image,
enforcer=self.enforcer)
def test_enforce(self):
self.assertRaises(webob.exc.HTTPNotFound,
super(APIImagePolicy, self).test_enforce)
@mock.patch('glance.api.policy._enforce_image_visibility')
def test_enforce_visibility(self, mock_enf):
# Visibility passes
self.policy._enforce_visibility('something')
mock_enf.assert_called_once_with(self.enforcer,
self.context,
'something',
mock.ANY)
# Make sure that Forbidden gets caught and translated
mock_enf.side_effect = exception.Forbidden
self.assertRaises(webob.exc.HTTPForbidden,
self.policy._enforce_visibility, 'something')
# Any other exception comes straight through
mock_enf.side_effect = exception.ImageNotFound
self.assertRaises(exception.ImageNotFound,
self.policy._enforce_visibility, 'something')
def test_update_property(self):
with mock.patch.object(self.policy, '_enforce') as mock_enf:
self.policy.update_property('foo', None)
mock_enf.assert_called_once_with('modify_image')
with mock.patch.object(self.policy, '_enforce_visibility') as mock_enf:
self.policy.update_property('visibility', 'foo')
mock_enf.assert_called_once_with('foo')
def test_update_locations(self):
self.policy.update_locations()
self.enforcer.enforce.assert_called_once_with(self.context,
'set_image_location',
mock.ANY)
def test_delete_locations(self):
self.policy.delete_locations()
self.enforcer.enforce.assert_called_once_with(self.context,
'delete_image_location',
mock.ANY)
def test_enforce_exception_behavior(self):
with mock.patch.object(self.policy.enforcer, 'enforce') as mock_enf:
# First make sure we can update if allowed
self.policy.update_property('foo', None)
self.assertTrue(mock_enf.called)
# Make sure that if modify_image and get_image both return
# Forbidden then we should get NotFound. This is because
# we are not allowed to delete the image, nor see that it
# even exists.
mock_enf.reset_mock()
mock_enf.side_effect = exception.Forbidden
self.assertRaises(webob.exc.HTTPNotFound,
self.policy.update_property, 'foo', None)
# Make sure we checked modify_image, and then get_image.
mock_enf.assert_has_calls([
mock.call(mock.ANY, 'modify_image', mock.ANY),
mock.call(mock.ANY, 'get_image', mock.ANY)])
# Make sure that if modify_image is disallowed, but
# get_image is allowed, that we get Forbidden. This is
# because we are allowed to see the image, but not modify
# it, so 403 indicates that without confusing the user and
# returning "not found" for an image they are able to GET.
mock_enf.reset_mock()
mock_enf.side_effect = [exception.Forbidden, lambda *a: None]
self.assertRaises(webob.exc.HTTPForbidden,
self.policy.update_property, 'foo', None)
# Make sure we checked modify_image, and then get_image.
mock_enf.assert_has_calls([
mock.call(mock.ANY, 'modify_image', mock.ANY),
mock.call(mock.ANY, 'get_image', mock.ANY)])
def test_get_image(self):
self.policy.get_image()
self.enforcer.enforce.assert_called_once_with(self.context,
'get_image',
mock.ANY)
def test_get_images(self):
self.policy.get_images()
self.enforcer.enforce.assert_called_once_with(self.context,
'get_images',
mock.ANY)