Source code for openstack_dashboard.test.api_tests.glance_tests

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, 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 django.conf import settings  # noqa
from django.test.utils import override_settings  # noqa

from openstack_dashboard import api
from openstack_dashboard.test import helpers as test


class GlanceApiTests(test.APITestCase):
    @override_settings(API_RESULT_PAGE_SIZE=2)
[docs] def test_image_list_detailed_no_pagination(self): # Verify that all images are returned even with a small page size
[docs] api_images = self.images.list() filters = {} limit = getattr(settings, 'API_RESULT_LIMIT', 1000) glanceclient = self.stub_glanceclient() glanceclient.images = self.mox.CreateMockAnything() glanceclient.images.list(page_size=limit, limit=limit, filters=filters,).AndReturn(iter(api_images)) self.mox.ReplayAll() images, has_more = api.glance.image_list_detailed(self.request) self.assertItemsEqual(images, api_images) self.assertFalse(has_more) @override_settings(API_RESULT_PAGE_SIZE=2) def test_image_list_detailed_pagination(self):
# The total snapshot count is over page size, should return
[docs] # page_size images. filters = {} page_size = settings.API_RESULT_PAGE_SIZE limit = getattr(settings, 'API_RESULT_LIMIT', 1000) api_images = self.images.list() images_iter = iter(api_images) glanceclient = self.stub_glanceclient() glanceclient.images = self.mox.CreateMockAnything() # Pass back all images, ignoring filters glanceclient.images.list(limit=limit, page_size=page_size + 1, filters=filters,).AndReturn(images_iter) self.mox.ReplayAll() images, has_more = api.glance.image_list_detailed(self.request, marker=None, filters=filters, paginate=True) expected_images = api_images[:page_size] self.assertItemsEqual(images, expected_images) self.assertTrue(has_more) # Ensure that only the needed number of images are consumed # from the iterator (page_size + 1). self.assertEqual(len(list(images_iter)), len(api_images) - len(expected_images) - 1) @override_settings(API_RESULT_PAGE_SIZE=2) def test_image_list_detailed_pagination_marker(self):
# Tests getting a second page with a marker.
[docs] filters = {} page_size = settings.API_RESULT_PAGE_SIZE limit = getattr(settings, 'API_RESULT_LIMIT', 1000) marker = 'nonsense' api_images = self.images.list()[page_size:] images_iter = iter(api_images) glanceclient = self.stub_glanceclient() glanceclient.images = self.mox.CreateMockAnything() # Pass back all images, ignoring filters glanceclient.images.list(limit=limit, page_size=page_size + 1, filters=filters, marker=marker).AndReturn(images_iter) self.mox.ReplayAll() images, has_more = api.glance.image_list_detailed(self.request, marker=marker, filters=filters, paginate=True) expected_images = api_images[:page_size] self.assertItemsEqual(images, expected_images) self.assertTrue(has_more) self.assertEqual(len(list(images_iter)), len(api_images) - len(expected_images) - 1)