VirtualBox

source: vbox/trunk/src/VBox/ValidationKit/tests/api/tdTreeDepth1.py@ 96407

Last change on this file since 96407 was 96407, checked in by vboxsync, 2 years ago

scm copyright and license note update

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1#!/usr/bin/env python
2# -*- coding: utf-8 -*-
3# $Id: tdTreeDepth1.py 96407 2022-08-22 17:43:14Z vboxsync $
4
5"""
6VirtualBox Validation Kit - Medium and Snapshot Tree Depth Test #1
7"""
8
9__copyright__ = \
10"""
11Copyright (C) 2010-2022 Oracle and/or its affiliates.
12
13This file is part of VirtualBox base platform packages, as
14available from https://www.virtualbox.org.
15
16This program is free software; you can redistribute it and/or
17modify it under the terms of the GNU General Public License
18as published by the Free Software Foundation, in version 3 of the
19License.
20
21This program is distributed in the hope that it will be useful, but
22WITHOUT ANY WARRANTY; without even the implied warranty of
23MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24General Public License for more details.
25
26You should have received a copy of the GNU General Public License
27along with this program; if not, see <https://www.gnu.org/licenses>.
28
29The contents of this file may alternatively be used under the terms
30of the Common Development and Distribution License Version 1.0
31(CDDL), a copy of it is provided in the "COPYING.CDDL" file included
32in the VirtualBox distribution, in which case the provisions of the
33CDDL are applicable instead of those of the GPL.
34
35You may elect to license modified versions of this file under the
36terms and conditions of either the GPL or the CDDL or both.
37
38SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
39"""
40__version__ = "$Revision: 96407 $"
41
42
43# Standard Python imports.
44import os
45import sys
46import random
47
48# Only the main script needs to modify the path.
49try: __file__
50except: __file__ = sys.argv[0]
51g_ksValidationKitDir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
52sys.path.append(g_ksValidationKitDir)
53
54# Validation Kit imports.
55from testdriver import base
56from testdriver import reporter
57from testdriver import vboxcon
58
59
60class SubTstDrvTreeDepth1(base.SubTestDriverBase):
61 """
62 Sub-test driver for Medium and Snapshot Tree Depth Test #1.
63 """
64
65 def __init__(self, oTstDrv):
66 base.SubTestDriverBase.__init__(self, oTstDrv, 'tree-depth', 'Media and Snapshot tree depths');
67
68 def testIt(self):
69 """
70 Execute the sub-testcase.
71 """
72 return self.testMediumTreeDepth() \
73 and self.testSnapshotTreeDepth()
74
75 #
76 # Test execution helpers.
77 #
78
79 def testMediumTreeDepth(self):
80 """
81 Test medium tree depth.
82 """
83 reporter.testStart('mediumTreeDepth')
84
85 try:
86 oVBox = self.oTstDrv.oVBoxMgr.getVirtualBox()
87 oVM = self.oTstDrv.createTestVM('test-medium', 1, None, 4)
88 assert oVM is not None
89
90 # create chain with up to 64 disk images (medium tree depth limit)
91 fRc = True
92 oSession = self.oTstDrv.openSession(oVM)
93 cImages = random.randrange(1, 64);
94 reporter.log('Creating chain with %d disk images' % (cImages))
95 for i in range(1, cImages + 1):
96 sHddPath = os.path.join(self.oTstDrv.sScratchPath, 'Test' + str(i) + '.vdi')
97 if i == 1:
98 oHd = oSession.createBaseHd(sHddPath, cb=1024*1024)
99 else:
100 oHd = oSession.createDiffHd(oHd, sHddPath)
101 if oHd is None:
102 fRc = False
103 break
104
105 # modify the VM config, attach HDD
106 fRc = fRc and oSession.attachHd(sHddPath, sController='SATA Controller', fImmutable=False, fForceResource=False)
107 fRc = fRc and oSession.saveSettings()
108 fRc = oSession.close() and fRc
109 ## @todo r=klaus: count known hard disk images, should be cImages
110
111 # unregister, making sure the images are closed
112 sSettingsFile = oVM.settingsFilePath
113 fDetachAll = random.choice([False, True])
114 if fDetachAll:
115 reporter.log('unregistering VM, DetachAll style')
116 else:
117 reporter.log('unregistering VM, UnregisterOnly style')
118 self.oTstDrv.forgetTestMachine(oVM)
119 if fDetachAll:
120 aoHDs = oVM.unregister(vboxcon.CleanupMode_DetachAllReturnHardDisksOnly)
121 for oHD in aoHDs:
122 oHD.close()
123 aoHDs = None
124 else:
125 oVM.unregister(vboxcon.CleanupMode_UnregisterOnly)
126 oVM = None
127
128 # If there is no base image (expected) then there are no leftover
129 # child images either. Can be changed later once the todos above
130 # and below are resolved.
131 cBaseImages = len(self.oTstDrv.oVBoxMgr.getArray(oVBox, 'hardDisks'))
132 reporter.log('API reports %i base images' % (cBaseImages))
133 fRc = fRc and cBaseImages == 0
134 if cBaseImages != 0:
135 reporter.error('Got %d initial base images, expected %d' % (cBaseImages, 0));
136
137 # re-register to test loading of settings
138 reporter.log('opening VM %s, testing config reading' % (sSettingsFile))
139 if self.oTstDrv.fpApiVer >= 7.0:
140 # Needs a password parameter since 7.0.
141 oVM = oVBox.openMachine(sSettingsFile, "")
142 else:
143 oVM = oVBox.openMachine(sSettingsFile)
144 ## @todo r=klaus: count known hard disk images, should be cImages
145
146 reporter.log('unregistering VM')
147 oVM.unregister(vboxcon.CleanupMode_UnregisterOnly)
148 oVM = None
149
150 cBaseImages = len(self.oTstDrv.oVBoxMgr.getArray(oVBox, 'hardDisks'))
151 reporter.log('API reports %i base images' % (cBaseImages))
152 fRc = fRc and cBaseImages == 0
153 if cBaseImages != 0:
154 reporter.error('Got %d base images after unregistering, expected %d' % (cBaseImages, 0));
155
156 except:
157 reporter.errorXcpt()
158
159 return reporter.testDone()[1] == 0
160
161 def testSnapshotTreeDepth(self):
162 """
163 Test snapshot tree depth.
164 """
165 reporter.testStart('snapshotTreeDepth')
166
167 try:
168 oVBox = self.oTstDrv.oVBoxMgr.getVirtualBox()
169 oVM = self.oTstDrv.createTestVM('test-snap', 1, None, 4)
170 assert oVM is not None
171
172 # modify the VM config, create and attach empty HDD
173 oSession = self.oTstDrv.openSession(oVM)
174 sHddPath = os.path.join(self.oTstDrv.sScratchPath, 'TestSnapEmpty.vdi')
175 fRc = True
176 fRc = fRc and oSession.createAndAttachHd(sHddPath, cb=1024*1024, sController='SATA Controller', fImmutable=False)
177 fRc = fRc and oSession.saveSettings()
178
179 # take up to 200 snapshots (255 is the snapshot tree depth limit)
180 cSnapshots = random.randrange(1, 200); ## @todo r=andy BUGBUG When specifying 254 here, it fails with object 251.
181 reporter.log('Taking %d snapshots' % (cSnapshots))
182 for i in range(1, cSnapshots + 1):
183 fRc = fRc and oSession.takeSnapshot('Snapshot ' + str(i))
184 fRc = oSession.close() and fRc
185 oSession = None
186 reporter.log('API reports %i snapshots' % (oVM.snapshotCount))
187 fRc = fRc and oVM.snapshotCount == cSnapshots
188 if oVM.snapshotCount != cSnapshots:
189 reporter.error('Got %d initial snapshots, expected %d' % (oVM.snapshotCount, cSnapshots));
190
191 # unregister, making sure the images are closed
192 sSettingsFile = oVM.settingsFilePath
193 fDetachAll = random.choice([False, True])
194 if fDetachAll:
195 reporter.log('unregistering VM, DetachAll style')
196 else:
197 reporter.log('unregistering VM, UnregisterOnly style')
198 self.oTstDrv.forgetTestMachine(oVM)
199 if fDetachAll:
200 aoHDs = oVM.unregister(vboxcon.CleanupMode_DetachAllReturnHardDisksOnly)
201 for oHD in aoHDs:
202 oHD.close()
203 aoHDs = None
204 else:
205 oVM.unregister(vboxcon.CleanupMode_UnregisterOnly)
206 oVM = None
207
208 # If there is no base image (expected) then there are no leftover
209 # child images either. Can be changed later once the todos above
210 # and below are resolved.
211 cBaseImages = len(self.oTstDrv.oVBoxMgr.getArray(oVBox, 'hardDisks'))
212 reporter.log('API reports %i base images' % (cBaseImages))
213 fRc = fRc and cBaseImages == 0
214 if cBaseImages != 0:
215 reporter.error('Got %d initial base images, expected %d' % (cBaseImages, 0));
216
217 # re-register to test loading of settings
218 reporter.log('opening VM %s, testing config reading' % (sSettingsFile))
219 if self.oTstDrv.fpApiVer >= 7.0:
220 # Needs a password parameter since 7.0.
221 oVM = oVBox.openMachine(sSettingsFile, "")
222 else:
223 oVM = oVBox.openMachine(sSettingsFile)
224 reporter.log('API reports %i snapshots' % (oVM.snapshotCount))
225 fRc = fRc and oVM.snapshotCount == cSnapshots
226 if oVM.snapshotCount != cSnapshots:
227 reporter.error('Got %d snapshots after re-registering, expected %d' % (oVM.snapshotCount, cSnapshots));
228
229 reporter.log('unregistering VM')
230 oVM.unregister(vboxcon.CleanupMode_UnregisterOnly)
231 oVM = None
232
233 cBaseImages = len(self.oTstDrv.oVBoxMgr.getArray(oVBox, 'hardDisks'))
234 reporter.log('API reports %i base images' % (cBaseImages))
235 fRc = fRc and cBaseImages == 0
236 if cBaseImages != 0:
237 reporter.error('Got %d base images after unregistering, expected %d' % (cBaseImages, 0));
238 except:
239 reporter.errorXcpt()
240
241 return reporter.testDone()[1] == 0
242
243
244if __name__ == '__main__':
245 sys.path.append(os.path.dirname(os.path.abspath(__file__)))
246 from tdApi1 import tdApi1; # pylint: disable=relative-import
247 sys.exit(tdApi1([SubTstDrvTreeDepth1]).main(sys.argv))
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