OpenStack Orchestration (Heat)
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#
# 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 mock
from six.moves.urllib import parse as urlparse
from heat.api.openstack.v1.views import views_common
from heat.tests import common
class TestViewsCommon(common.HeatTestCase):
def setUp(self):
super(TestViewsCommon, self).setUp()
self.request = mock.Mock()
self.stack1 = {
'id': 'id1',
}
self.stack2 = {
'id': 'id2',
}
def setUpGetCollectionLinks(self):
self.items = [self.stack1, self.stack2]
self.request.params = {'limit': '2'}
self.request.path_url = "http://example.com/fake/path"
def test_get_collection_links_creates_next(self):
self.setUpGetCollectionLinks()
links = views_common.get_collection_links(self.request, self.items)
expected = 'http://example.com/fake/path?marker=id2&limit=2'
next_link = filter(lambda link: link['rel'] == 'next', links).pop()
self.assertEqual('next', next_link['rel'])
self.assertEqual(expected, next_link['href'])
def test_get_collection_links_doesnt_create_next_if_no_limit(self):
self.setUpGetCollectionLinks()
del self.request.params['limit']
links = views_common.get_collection_links(self.request, self.items)
self.assertEqual([], links)
def test_get_collection_links_doesnt_create_next_if_page_not_full(self):
self.setUpGetCollectionLinks()
self.request.params['limit'] = '10'
links = views_common.get_collection_links(self.request, self.items)
self.assertEqual([], links)
def test_get_collection_links_overwrites_url_marker(self):
self.setUpGetCollectionLinks()
self.request.params = {'limit': '2', 'marker': 'some_marker'}
links = views_common.get_collection_links(self.request, self.items)
expected = 'http://example.com/fake/path?marker=id2&limit=2'
next_link = filter(lambda link: link['rel'] == 'next', links).pop()
self.assertEqual(expected, next_link['href'])
def test_get_collection_links_does_not_overwrite_other_params(self):
self.setUpGetCollectionLinks()
self.request.params = {'limit': '2', 'foo': 'bar'}
links = views_common.get_collection_links(self.request, self.items)
next_link = filter(lambda link: link['rel'] == 'next', links).pop()
url = next_link['href']
query_string = urlparse.urlparse(url).query
params = {}
params.update(urlparse.parse_qsl(query_string))
self.assertEqual('2', params['limit'])
self.assertEqual('bar', params['foo'])
def test_get_collection_links_handles_invalid_limits(self):
self.setUpGetCollectionLinks()
self.request.params = {'limit': 'foo'}
links = views_common.get_collection_links(self.request, self.items)
self.assertEqual([], links)
self.request.params = {'limit': None}
links = views_common.get_collection_links(self.request, self.items)
self.assertEqual([], links)