qemu/tests/qemu-iotests/152

   1 #!/usr/bin/env python
   2 #
   3 # Tests for drive-mirror with source size unaligned to granularity
   4 #
   5 # Copyright (C) 2016 Red Hat, Inc.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 import os
  22 import iotests
  23 from iotests import qemu_img
  24
  25 test_img = os.path.join(iotests.test_dir, 'test.img')
  26 target_img = os.path.join(iotests.test_dir, 'target.img')
  27
  28 class TestUnaligned(iotests.QMPTestCase):
  29     def setUp(self):
  30         qemu_img('create', '-f', iotests.imgfmt, test_img, '512')
  31         self.vm = iotests.VM().add_drive(test_img)
  32         self.vm.launch()
  33
  34     def tearDown(self):
  35         self.vm.shutdown()
  36         os.remove(test_img)
  37         try:
  38             os.remove(target_img)
  39         except OSError:
  40             pass
  41
  42     def test_unaligned(self):
  43         result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
  44                              granularity=65536, target=target_img)
  45         self.complete_and_wait()
  46         self.vm.shutdown()
  47         self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
  48                          "Target size doesn't match source when granularity when unaligend")
  49
  50     def test_unaligned_with_update(self):
  51         result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
  52                              granularity=65536, target=target_img)
  53         self.wait_ready()
  54         self.vm.hmp_qemu_io('drive0', 'write 0 512')
  55         self.complete_and_wait(wait_ready=False)
  56         self.vm.shutdown()
  57         self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
  58                          "Target size doesn't match source when granularity when unaligend")
  59
  60
  61 if __name__ == '__main__':
  62     iotests.main(supported_fmts=['raw', 'qcow2'])