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# Copyright (C) 2012 Yahoo! Inc.
# All Rights Reserved.
#
# 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 oslo_utils import imageutils
from oslo_utils.tests import base as test_base
class QemuImgInfoTestCase(test_base.BaseTestCase):
def test_qemu_img_unsupported(self):
self.assertRaises(
ValueError, imageutils.QemuImgInfo, '', format='human'
)
def test_qemu_img_info(self):
img_output = '''{
"virtual-size": 41126400,
"filename": "fake_img",
"cluster-size": 65536,
"format": "qcow2",
"actual-size": 13168640,
"format-specific": {"data": {"foo": "bar"}},
"encrypted": true
}'''
image_info = imageutils.QemuImgInfo(img_output, format='json')
self.assertEqual(41126400, image_info.virtual_size)
self.assertEqual('fake_img', image_info.image)
self.assertEqual(65536, image_info.cluster_size)
self.assertEqual('qcow2', image_info.file_format)
self.assertEqual(13168640, image_info.disk_size)
self.assertEqual("bar", image_info.format_specific["data"]["foo"])
self.assertEqual('yes', image_info.encrypted)
# test for Bug #1996426
expected_str = "format_specific: {'data': {'foo': 'bar'}}"
self.assertIn(expected_str, str(image_info))
def test_qemu_img_info_blank(self):
img_output = '{}'
image_info = imageutils.QemuImgInfo(img_output, format='json')
self.assertIsNone(image_info.virtual_size)
self.assertIsNone(image_info.image)
self.assertIsNone(image_info.cluster_size)
self.assertIsNone(image_info.file_format)
self.assertIsNone(image_info.disk_size)
self.assertIsNone(image_info.format_specific)
self.assertIsNone(image_info.encrypted)
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