1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
#!/usr/bin/env python
#
# Test for additional information emitted by qemu-img info on qcow2
# images
#
# Copyright (C) 2013 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import os
import re
import json
import iotests
from iotests import qemu_img, qemu_img_pipe
import unittest
test_img = os.path.join(iotests.test_dir, 'test.img')
class TestImageInfoSpecific(iotests.QMPTestCase):
'''Abstract base class for ImageInfoSpecific tests'''
def setUp(self):
if self.img_options is None:
self.skipTest('Skipping abstract test class')
qemu_img('create', '-f', iotests.imgfmt, '-o', self.img_options,
test_img, '128K')
def tearDown(self):
os.remove(test_img)
class TestQemuImgInfo(TestImageInfoSpecific):
'''Abstract base class for qemu-img info tests'''
img_options = None
json_compare = None
human_compare = None
def test_json(self):
data = json.loads(qemu_img_pipe('info', '--output=json', test_img))
data = data['format-specific']
self.assertEqual(data['type'], iotests.imgfmt)
self.assertEqual(data['data'], self.json_compare)
def test_human(self):
data = qemu_img_pipe('info', '--output=human', test_img).split('\n')
data = data[(data.index('Format specific information:') + 1)
:data.index('')]
for field in data:
self.assertTrue(re.match('^ {4}[^ ]', field) is not None)
data = map(lambda line: line.strip(), data)
self.assertEqual(data, self.human_compare)
class TestQMP(TestImageInfoSpecific):
'''Abstract base class for qemu QMP tests'''
img_options = None
qemu_options = ''
TestImageInfoSpecific = TestImageInfoSpecific
def setUp(self):
self.TestImageInfoSpecific.setUp(self)
self.vm = iotests.VM().add_drive(test_img, self.qemu_options)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
self.TestImageInfoSpecific.tearDown(self)
def test_qmp(self):
result = self.vm.qmp('query-block')['return']
drive = filter(lambda drive: drive['device'] == 'drive0', result)[0]
data = drive['inserted']['image']['format-specific']
self.assertEqual(data['type'], iotests.imgfmt)
self.assertEqual(data['data'], self.compare)
class TestQCow2(TestQemuImgInfo):
'''Testing a qcow2 version 2 image'''
img_options = 'compat=0.10'
json_compare = { 'compat': '0.10', 'refcount-bits': 16 }
human_compare = [ 'compat: 0.10', 'refcount bits: 16' ]
class TestQCow3NotLazy(TestQemuImgInfo):
'''Testing a qcow2 version 3 image with lazy refcounts disabled'''
img_options = 'compat=1.1,lazy_refcounts=off'
json_compare = { 'compat': '1.1', 'lazy-refcounts': False,
'refcount-bits': 16, 'corrupt': False }
human_compare = [ 'compat: 1.1', 'lazy refcounts: false',
'refcount bits: 16', 'corrupt: false' ]
class TestQCow3Lazy(TestQemuImgInfo):
'''Testing a qcow2 version 3 image with lazy refcounts enabled'''
img_options = 'compat=1.1,lazy_refcounts=on'
json_compare = { 'compat': '1.1', 'lazy-refcounts': True,
'refcount-bits': 16, 'corrupt': False }
human_compare = [ 'compat: 1.1', 'lazy refcounts: true',
'refcount bits: 16', 'corrupt: false' ]
class TestQCow3NotLazyQMP(TestQMP):
'''Testing a qcow2 version 3 image with lazy refcounts disabled, opening
with lazy refcounts enabled'''
img_options = 'compat=1.1,lazy_refcounts=off'
qemu_options = 'lazy-refcounts=on'
compare = { 'compat': '1.1', 'lazy-refcounts': False,
'refcount-bits': 16, 'corrupt': False }
class TestQCow3LazyQMP(TestQMP):
'''Testing a qcow2 version 3 image with lazy refcounts enabled, opening
with lazy refcounts disabled'''
img_options = 'compat=1.1,lazy_refcounts=on'
qemu_options = 'lazy-refcounts=off'
compare = { 'compat': '1.1', 'lazy-refcounts': True,
'refcount-bits': 16, 'corrupt': False }
TestImageInfoSpecific = None
TestQemuImgInfo = None
TestQMP = None
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2'])
|
