tests/qemu-iotests/152

   1 #!/usr/bin/env python3
   2 # group: rw quick
   3 #
   4 # Tests for drive-mirror with source size unaligned to granularity
   5 #
   6 # Copyright (C) 2016 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 import os
  23 import iotests
  24 from iotests import qemu_img
  25
  26 test_img = os.path.join(iotests.test_dir, 'test.img')
  27 target_img = os.path.join(iotests.test_dir, 'target.img')
  28
  29 class TestUnaligned(iotests.QMPTestCase):
  30     def setUp(self):
  31         qemu_img('create', '-f', iotests.imgfmt, test_img, '512')
  32         self.vm = iotests.VM().add_drive(test_img)
  33         self.vm.launch()
  34
  35     def tearDown(self):
  36         self.vm.shutdown()
  37         os.remove(test_img)
  38         try:
  39             os.remove(target_img)
  40         except OSError:
  41             pass
  42
  43     def test_unaligned(self):
  44         result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
  45                              granularity=65536, target=target_img)
  46         self.complete_and_wait()
  47         self.vm.shutdown()
  48         self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
  49                          "Target size doesn't match source when granularity when unaligend")
  50
  51     def test_unaligned_with_update(self):
  52         result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
  53                              granularity=65536, target=target_img)
  54         self.wait_ready()
  55         self.vm.hmp_qemu_io('drive0', 'write 0 512')
  56         self.complete_and_wait(wait_ready=False)
  57         self.vm.shutdown()
  58         self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
  59                          "Target size doesn't match source when granularity when unaligend")
  60
  61
  62 if __name__ == '__main__':
  63     iotests.main(supported_fmts=['raw', 'qcow2'],
  64                  supported_protocols=['file'])