4 # Test for additional information emitted by qemu-img info on qcow2
7 # Copyright (C) 2013 Red Hat, Inc.
9 # This program is free software; you can redistribute it and/or modify
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
12 # (at your option) any later version.
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
27 from iotests import qemu_img, qemu_img_pipe
30 test_img = os.path.join(iotests.test_dir, 'test.img')
32 class TestImageInfoSpecific(iotests.QMPTestCase):
33 '''Abstract base class for ImageInfoSpecific tests'''
36 if self.img_options is None:
37 self.skipTest('Skipping abstract test class')
38 qemu_img('create', '-f', iotests.imgfmt, '-o', self.img_options,
44 class TestQemuImgInfo(TestImageInfoSpecific):
45 '''Abstract base class for qemu-img info tests'''
52 data = json.loads(qemu_img_pipe('info', '--output=json', test_img))
53 data = data['format-specific']
54 self.assertEqual(data['type'], iotests.imgfmt)
55 self.assertEqual(data['data'], self.json_compare)
58 data = qemu_img_pipe('info', '--output=human', test_img).split('\n')
59 data = data[(data.index('Format specific information:') + 1)
62 self.assertTrue(re.match('^ {4}[^ ]', field) is not None)
63 data = [line.strip() for line in data]
64 self.assertEqual(data, self.human_compare)
66 class TestQMP(TestImageInfoSpecific):
67 '''Abstract base class for qemu QMP tests'''
71 TestImageInfoSpecific = TestImageInfoSpecific
74 self.TestImageInfoSpecific.setUp(self)
75 self.vm = iotests.VM().add_drive(test_img, self.qemu_options)
80 self.TestImageInfoSpecific.tearDown(self)
83 result = self.vm.qmp('query-block')['return']
84 drive = next(drive for drive in result if drive['device'] == 'drive0')
85 data = drive['inserted']['image']['format-specific']
86 self.assertEqual(data['type'], iotests.imgfmt)
87 self.assertEqual(data['data'], self.compare)
89 class TestQCow2(TestQemuImgInfo):
90 '''Testing a qcow2 version 2 image'''
91 img_options = 'compat=0.10'
92 json_compare = { 'compat': '0.10', 'refcount-bits': 16,
93 'compression-type': 'zlib' }
94 human_compare = [ 'compat: 0.10', 'compression type: zlib',
97 class TestQCow3NotLazy(TestQemuImgInfo):
98 '''Testing a qcow2 version 3 image with lazy refcounts disabled'''
99 img_options = 'compat=1.1,lazy_refcounts=off'
100 json_compare = { 'compat': '1.1', 'lazy-refcounts': False,
101 'refcount-bits': 16, 'corrupt': False,
102 'compression-type': 'zlib', 'extended-l2': False }
103 human_compare = [ 'compat: 1.1', 'compression type: zlib',
104 'lazy refcounts: false', 'refcount bits: 16',
105 'corrupt: false', 'extended l2: false' ]
107 class TestQCow3Lazy(TestQemuImgInfo):
108 '''Testing a qcow2 version 3 image with lazy refcounts enabled'''
109 img_options = 'compat=1.1,lazy_refcounts=on'
110 json_compare = { 'compat': '1.1', 'lazy-refcounts': True,
111 'refcount-bits': 16, 'corrupt': False,
112 'compression-type': 'zlib', 'extended-l2': False }
113 human_compare = [ 'compat: 1.1', 'compression type: zlib',
114 'lazy refcounts: true', 'refcount bits: 16',
115 'corrupt: false', 'extended l2: false' ]
117 class TestQCow3NotLazyQMP(TestQMP):
118 '''Testing a qcow2 version 3 image with lazy refcounts disabled, opening
119 with lazy refcounts enabled'''
120 img_options = 'compat=1.1,lazy_refcounts=off'
121 qemu_options = 'lazy-refcounts=on'
122 compare = { 'compat': '1.1', 'lazy-refcounts': False,
123 'refcount-bits': 16, 'corrupt': False,
124 'compression-type': 'zlib', 'extended-l2': False }
127 class TestQCow3LazyQMP(TestQMP):
128 '''Testing a qcow2 version 3 image with lazy refcounts enabled, opening
129 with lazy refcounts disabled'''
130 img_options = 'compat=1.1,lazy_refcounts=on'
131 qemu_options = 'lazy-refcounts=off'
132 compare = { 'compat': '1.1', 'lazy-refcounts': True,
133 'refcount-bits': 16, 'corrupt': False,
134 'compression-type': 'zlib', 'extended-l2': False }
136 TestImageInfoSpecific = None
137 TestQemuImgInfo = None
140 if __name__ == '__main__':
141 iotests.main(supported_fmts=['qcow2'],
142 supported_protocols=['file'],
143 unsupported_imgopts=['refcount_bits'])