nova/nova/tests/test_image.py

147 lines
5.6 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 OpenStack LLC
# Author: Soren Hansen
#
# 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 datetime
import StringIO
from nova import context
from nova import exception
from nova import test
import nova.image
class _ImageTestCase(test.TestCase):
def setUp(self):
super(_ImageTestCase, self).setUp()
self.context = context.get_admin_context()
def test_index(self):
res = self.image_service.index(self.context)
for image in res:
self.assertEquals(set(image.keys()), set(['id', 'name']))
def test_detail(self):
res = self.image_service.detail(self.context)
for image in res:
keys = set(image.keys())
self.assertEquals(keys, set(['id', 'name', 'created_at',
'updated_at', 'deleted_at', 'deleted',
'status', 'is_public', 'properties',
'disk_format', 'container_format']))
self.assertTrue(isinstance(image['created_at'], datetime.datetime))
self.assertTrue(isinstance(image['updated_at'], datetime.datetime))
if not (isinstance(image['deleted_at'], datetime.datetime) or
image['deleted_at'] is None):
self.fail('image\'s "deleted_at" attribute was neither a '
'datetime object nor None')
def check_is_bool(image, key):
val = image.get('deleted')
if not isinstance(val, bool):
self.fail('image\'s "%s" attribute wasn\'t '
'a bool: %r' % (key, val))
check_is_bool(image, 'deleted')
check_is_bool(image, 'is_public')
def test_index_and_detail_have_same_results(self):
index = self.image_service.index(self.context)
detail = self.image_service.detail(self.context)
index_set = set([(i['id'], i['name']) for i in index])
detail_set = set([(i['id'], i['name']) for i in detail])
self.assertEqual(index_set, detail_set)
def test_show_raises_imagenotfound_for_invalid_id(self):
self.assertRaises(exception.ImageNotFound,
self.image_service.show,
self.context,
'this image does not exist')
def test_show_by_name(self):
self.assertRaises(exception.ImageNotFound,
self.image_service.show_by_name,
self.context,
'this image does not exist')
def test_create_adds_id(self):
index = self.image_service.index(self.context)
image_count = len(index)
self.image_service.create(self.context, {})
index = self.image_service.index(self.context)
self.assertEquals(len(index), image_count + 1)
self.assertTrue(index[0]['id'])
def test_create_keeps_id(self):
self.image_service.create(self.context, {'id': '34'})
self.image_service.show(self.context, '34')
def test_create_rejects_duplicate_ids(self):
self.image_service.create(self.context, {'id': '34'})
self.assertRaises(exception.Duplicate,
self.image_service.create,
self.context,
{'id': '34'})
# Make sure there's still one left
self.image_service.show(self.context, '34')
def test_update(self):
self.image_service.create(self.context,
{'id': '34', 'foo': 'bar'})
self.image_service.update(self.context, '34',
{'id': '34', 'foo': 'baz'})
img = self.image_service.show(self.context, '34')
self.assertEquals(img['foo'], 'baz')
def test_delete(self):
self.image_service.create(self.context, {'id': '34', 'foo': 'bar'})
self.image_service.delete(self.context, '34')
self.assertRaises(exception.NotFound,
self.image_service.show,
self.context,
'34')
def test_delete_all(self):
self.image_service.create(self.context, {'id': '32', 'foo': 'bar'})
self.image_service.create(self.context, {'id': '33', 'foo': 'bar'})
self.image_service.create(self.context, {'id': '34', 'foo': 'bar'})
self.image_service.delete_all()
index = self.image_service.index(self.context)
self.assertEquals(len(index), 0)
def test_create_then_get(self):
blob = 'some data'
s1 = StringIO.StringIO(blob)
self.image_service.create(self.context,
{'id': '32', 'foo': 'bar'},
data=s1)
s2 = StringIO.StringIO()
self.image_service.get(self.context, '32', data=s2)
self.assertEquals(s2.getvalue(), blob, 'Did not get blob back intact')
class FakeImageTestCase(_ImageTestCase):
def setUp(self):
super(FakeImageTestCase, self).setUp()
self.image_service = nova.image.fake.FakeImageService()