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 22import os 23import iotests 24from iotests import qemu_img 25 26test_img = os.path.join(iotests.test_dir, 'test.img') 27target_img = os.path.join(iotests.test_dir, 'target.img') 28 29class 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 62if __name__ == '__main__': 63 iotests.main(supported_fmts=['raw', 'qcow2'], 64 supported_protocols=['file']) 65