mirror of https://gitee.com/openkylin/qemu.git
303 lines
10 KiB
Python
Executable File
303 lines
10 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Tests for drive-backup
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#
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# Copyright (C) 2013 Red Hat, Inc.
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#
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# Based on 041.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import time
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import os
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import iotests
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from iotests import qemu_img, qemu_io
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test_img = os.path.join(iotests.test_dir, 'test.img')
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target_img = os.path.join(iotests.test_dir, 'target.img')
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class TestSingleDrive(iotests.QMPTestCase):
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image_len = 64 * 1024 * 1024 # MB
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def setUp(self):
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# Write data to the image so we can compare later
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qemu_img('create', '-f', iotests.imgfmt, test_img, str(TestSingleDrive.image_len))
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qemu_io('-c', 'write -P0x5d 0 64k', test_img)
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qemu_io('-c', 'write -P0xd5 1M 32k', test_img)
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qemu_io('-c', 'write -P0xdc 32M 124k', test_img)
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qemu_io('-c', 'write -P0xdc 67043328 64k', test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def test_cancel(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full')
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self.assert_qmp(result, 'return', {})
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event = self.cancel_and_wait()
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self.assert_qmp(event, 'data/type', 'backup')
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def test_pause(self):
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full')
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block-job-pause', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.vm.resume_drive('drive0')
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time.sleep(1)
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result = self.vm.qmp('query-block-jobs')
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offset = self.dictpath(result, 'return[0]/offset')
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time.sleep(1)
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/offset', offset)
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed()
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after backup')
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def test_medium_not_found(self):
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result = self.vm.qmp('drive-backup', device='ide1-cd0',
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target=target_img, sync='full')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_image_not_found(self):
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full', mode='existing')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_invalid_format(self):
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full',
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format='spaghetti-noodles')
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_device_not_found(self):
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result = self.vm.qmp('drive-backup', device='nonexistent',
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target=target_img, sync='full')
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self.assert_qmp(result, 'error/class', 'DeviceNotFound')
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class TestSetSpeed(iotests.QMPTestCase):
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image_len = 80 * 1024 * 1024 # MB
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, test_img, str(TestSetSpeed.image_len))
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qemu_io('-c', 'write -P1 0 512', test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(target_img)
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def test_set_speed(self):
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full')
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self.assert_qmp(result, 'return', {})
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# Default speed is 0
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/device', 'drive0')
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self.assert_qmp(result, 'return[0]/speed', 0)
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result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024)
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self.assert_qmp(result, 'return', {})
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# Ensure the speed we set was accepted
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/device', 'drive0')
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self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024)
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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# Check setting speed in drive-backup works
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self.vm.pause_drive('drive0')
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full', speed=4*1024*1024)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/device', 'drive0')
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self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024)
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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def test_set_speed_invalid(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full', speed=-1)
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self.assert_qmp(result, 'error/class', 'GenericError')
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp('drive-backup', device='drive0',
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target=target_img, sync='full')
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
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self.assert_qmp(result, 'error/class', 'GenericError')
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event = self.cancel_and_wait(resume=True)
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self.assert_qmp(event, 'data/type', 'backup')
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class TestSingleTransaction(iotests.QMPTestCase):
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image_len = 64 * 1024 * 1024 # MB
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def setUp(self):
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qemu_img('create', '-f', iotests.imgfmt, test_img, str(TestSingleTransaction.image_len))
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qemu_io('-c', 'write -P0x5d 0 64k', test_img)
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qemu_io('-c', 'write -P0xd5 1M 32k', test_img)
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qemu_io('-c', 'write -P0xdc 32M 124k', test_img)
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qemu_io('-c', 'write -P0xdc 67043328 64k', test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def test_cancel(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'drive0',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'return', {})
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event = self.cancel_and_wait()
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self.assert_qmp(event, 'data/type', 'backup')
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def test_pause(self):
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self.assert_no_active_block_jobs()
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self.vm.pause_drive('drive0')
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'drive0',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block-job-pause', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.vm.resume_drive('drive0')
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time.sleep(1)
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result = self.vm.qmp('query-block-jobs')
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offset = self.dictpath(result, 'return[0]/offset')
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time.sleep(1)
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/offset', offset)
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed()
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after backup')
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def test_medium_not_found(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'ide1-cd0',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_image_not_found(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'drive0',
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'mode': 'existing',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_device_not_found(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'nonexistent',
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'mode': 'existing',
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'target': target_img,
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'sync': 'full' },
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}
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])
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self.assert_qmp(result, 'error/class', 'DeviceNotFound')
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def test_abort(self):
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result = self.vm.qmp('transaction', actions=[{
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'type': 'drive-backup',
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'data': { 'device': 'nonexistent',
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'mode': 'existing',
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'target': target_img,
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'sync': 'full' },
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}, {
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'type': 'Abort',
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'data': {},
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}
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])
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self.assert_qmp(result, 'error/class', 'GenericError')
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self.assert_no_active_block_jobs()
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if __name__ == '__main__':
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iotests.main(supported_fmts=['raw', 'qcow2'])
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