xref: /qemu/tests/qemu-iotests/065 (revision b21e2380) 
1#!/usr/bin/env python3
2# group: rw quick
3#
4# Test for additional information emitted by qemu-img info on qcow2
5# images
6#
7# Copyright (C) 2013 Red Hat, Inc.
8#
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.
13#
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.
18#
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/>.
21#
22
23import os
24import re
25import json
26import iotests
27from iotests import qemu_img, qemu_img_pipe
28import unittest
29
30test_img = os.path.join(iotests.test_dir, 'test.img')
31
32class TestImageInfoSpecific(iotests.QMPTestCase):
33    '''Abstract base class for ImageInfoSpecific tests'''
34
35    def setUp(self):
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,
39                 test_img, '128K')
40
41    def tearDown(self):
42        os.remove(test_img)
43
44class TestQemuImgInfo(TestImageInfoSpecific):
45    '''Abstract base class for qemu-img info tests'''
46
47    img_options = None
48    json_compare = None
49    human_compare = None
50
51    def test_json(self):
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)
56
57    def test_human(self):
58        data = qemu_img_pipe('info', '--output=human', test_img).split('\n')
59        data = data[(data.index('Format specific information:') + 1)
60                    :data.index('')]
61        for field in data:
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)
65
66class TestQMP(TestImageInfoSpecific):
67    '''Abstract base class for qemu QMP tests'''
68
69    img_options = None
70    qemu_options = ''
71    TestImageInfoSpecific = TestImageInfoSpecific
72
73    def setUp(self):
74        self.TestImageInfoSpecific.setUp(self)
75        self.vm = iotests.VM().add_drive(test_img, self.qemu_options)
76        self.vm.launch()
77
78    def tearDown(self):
79        self.vm.shutdown()
80        self.TestImageInfoSpecific.tearDown(self)
81
82    def test_qmp(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)
88
89class TestQCow2(TestQemuImgInfo):
90    '''Testing a qcow2 version 2 image'''
91    img_options = 'compat=0.10,compression_type=zlib'
92    json_compare = { 'compat': '0.10', 'refcount-bits': 16,
93                     'compression-type': 'zlib' }
94    human_compare = [ 'compat: 0.10', 'compression type: zlib',
95                      'refcount bits: 16' ]
96
97class TestQCow3NotLazy(TestQemuImgInfo):
98    '''Testing a qcow2 version 3 image with lazy refcounts disabled'''
99    img_options = 'compat=1.1,lazy_refcounts=off,compression_type=zstd'
100    json_compare = { 'compat': '1.1', 'lazy-refcounts': False,
101                     'refcount-bits': 16, 'corrupt': False,
102                     'compression-type': 'zstd', 'extended-l2': False }
103    human_compare = [ 'compat: 1.1', 'compression type: zstd',
104                      'lazy refcounts: false', 'refcount bits: 16',
105                      'corrupt: false', 'extended l2: false' ]
106
107class TestQCow3Lazy(TestQemuImgInfo):
108    '''Testing a qcow2 version 3 image with lazy refcounts enabled'''
109    img_options = 'compat=1.1,lazy_refcounts=on,compression_type=zlib'
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' ]
116
117class 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,compression_type=zlib'
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 }
125
126
127class 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,compression_type=zstd'
131    qemu_options = 'lazy-refcounts=off'
132    compare = { 'compat': '1.1', 'lazy-refcounts': True,
133                'refcount-bits': 16, 'corrupt': False,
134                'compression-type': 'zstd', 'extended-l2': False }
135
136TestImageInfoSpecific = None
137TestQemuImgInfo = None
138TestQMP = None
139
140if __name__ == '__main__':
141    iotests.main(supported_fmts=['qcow2'],
142                 supported_protocols=['file'],
143                 unsupported_imgopts=['refcount_bits'])
144