Add simple test cases for testing persistent dirty bitmaps. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> --- tests/qemu-iotests/118 | 112 ++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/118.out | 21 ++++++++ tests/qemu-iotests/group | 1 + tests/qemu-iotests/iotests.py | 6 +++ 4 files changed, 140 insertions(+) create mode 100755 tests/qemu-iotests/118 create mode 100644 tests/qemu-iotests/118.out
diff --git a/tests/qemu-iotests/118 b/tests/qemu-iotests/118 new file mode 100755 index 0000000..55932d4 --- /dev/null +++ b/tests/qemu-iotests/118 @@ -0,0 +1,112 @@ +#!/usr/bin/env python +# +# Tests for persistent dirty bitmaps. +# +# Copyright: Vladimir Sementsov-Ogievskiy 2015 +# +# 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 iotests +import time +from iotests import qemu_img + +disk = os.path.join(iotests.test_dir, 'disk') + +size = 0x40000000 # 1G +sector_size = 512 +granularity = 0x10000 +regions1 = [ + { 'start': 0, 'count': 0x100000 }, + { 'start': 0x200000, 'count': 0x100000 } + ] +regions2 = [ + { 'start': 0x10000000, 'count': 0x20000 }, + { 'start': 0x39990000, 'count': 0x10000 } + ] + +class TestPersistentDirtyBitmap(iotests.QMPTestCase): + + def setUp(self): + qemu_img('create', '-f', iotests.imgfmt, disk, str(size)) + + def mkVm(self, create_bitmap): + vm = iotests.VM().add_drive(disk) + vm.add_dirty_bitmap('bitmap', 'drive0', create_bitmap) + return vm + + def tearDown(self): + os.remove(disk) + + def getMd5(self): + result = self.vm.qmp('query-block'); + return result['return'][0]['dirty-bitmaps'][0]['md5'] + + def checkBitmap(self, md5): + result = self.vm.qmp('query-block'); + self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/md5', md5); + + def writeRegions(self, regions): + for r in regions: + self.vm.hmp_qemu_io('drive0', + 'write %d %d' % (r['start'], r['count'])) + + def test_persistent(self): + self.vm = self.mkVm(True) + self.vm.launch() + + self.writeRegions(regions1) + md5 = self.getMd5() + + self.vm.shutdown() + self.vm = self.mkVm(False) + self.vm.launch() + + self.checkBitmap(md5) + self.writeRegions(regions2) + md5 = self.getMd5() + + self.vm.shutdown() + self.vm.launch() + + self.checkBitmap(md5) + + self.vm.shutdown() + + def test_not_exist(self): + vm = self.mkVm(False) + vm.test_launch() + + def test_already_exists(self): + vm = self.mkVm(True) + vm.test_launch() + vm.test_launch() + + def test_in_use(self): + vm = self.mkVm(True) + vm.launch() + vm.shutdown() + + vm1 = self.mkVm(False) + vm1.launch() + + vm2 = self.mkVm(False) + vm2.test_launch() + + vm1.shutdown() + + +if __name__ == '__main__': + iotests.main() diff --git a/tests/qemu-iotests/118.out b/tests/qemu-iotests/118.out new file mode 100644 index 0000000..f54a52b --- /dev/null +++ b/tests/qemu-iotests/118.out @@ -0,0 +1,21 @@ +.... +---------------------------------------------------------------------- +Ran 4 tests + +OK +Tast launch successed! +Test launch failed: 1 +--- qemu output --- +qemu-system-x86_64: -dirty-bitmap name=bitmap,node=drive0,create=on: bitmap 'bitmap' already exists + +--- end qemu output --- +Test launch failed: 1 +--- qemu output --- +qemu-system-x86_64: -dirty-bitmap name=bitmap,node=drive0,create=off: Bitmap 'bitmap' is in use + +--- end qemu output --- +Test launch failed: 1 +--- qemu output --- +qemu-system-x86_64: -dirty-bitmap name=bitmap,node=drive0,create=off: Could not find bitmap 'bitmap' in the node 'drive0' + +--- end qemu output --- diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 3a86575..923fe83 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -122,6 +122,7 @@ 115 rw auto 116 rw auto quick 117 rw auto quick +118 rw auto quick 119 rw auto quick 120 rw auto quick 121 rw auto diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 7fb330a..afc0e04 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -140,6 +140,12 @@ class VM(object): self._args.append(desc) return self + def add_dirty_bitmap(self, name, node, create=False): + '''Add dirty bitmap parameter to VM cmd''' + self._args.append('-dirty-bitmap') + self._args.append('name=%s,node=%s,create=%s' % (name, node, 'on' if create else 'off')) + return self + def pause_drive(self, drive, event=None): '''Pause drive r/w operations''' if not event: -- 2.1.4
