qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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      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'])