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#!/usr/bin/env python
#
# Tests for drive-mirror with source size unaligned to granularity
#
# Copyright (C) 2016 Red Hat, Inc.
#
# 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
from iotests import qemu_img
test_img = os.path.join(iotests.test_dir, 'test.img')
target_img = os.path.join(iotests.test_dir, 'target.img')
class TestUnaligned(iotests.QMPTestCase):
def setUp(self):
qemu_img('create', '-f', iotests.imgfmt, test_img, '512')
self.vm = iotests.VM().add_drive(test_img)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(test_img)
try:
os.remove(target_img)
except OSError:
pass
def test_unaligned(self):
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
granularity=65536, target=target_img)
self.complete_and_wait()
self.vm.shutdown()
self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
"Target size doesn't match source when granularity when unaligend")
def test_unaligned_with_update(self):
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
granularity=65536, target=target_img)
self.wait_ready()
self.vm.hmp_qemu_io('drive0', 'write 0 512')
self.complete_and_wait(wait_ready=False)
self.vm.shutdown()
self.assertEqual(iotests.image_size(test_img), iotests.image_size(target_img),
"Target size doesn't match source when granularity when unaligend")
if __name__ == '__main__':
iotests.main(supported_fmts=['raw', 'qcow2'],
supported_protocols=['file'])
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