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61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
#!/usr/bin/env python3
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# group: rw quick
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#
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# Test mirror with unmap
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#
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# Copyright (C) 2015 Red Hat, Inc.
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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 = 2 * 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('-f', iotests.imgfmt, '-c', 'write -P0x5d 0 2M', test_img)
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self.vm = iotests.VM().add_drive(test_img, 'discard=unmap')
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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_mirror_discard(self):
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self.vm.cmd('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.vm.hmp_qemu_io('drive0', 'discard 0 64k')
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self.complete_and_wait('drive0')
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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 mirroring')
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if __name__ == '__main__':
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iotests.main(supported_fmts=['raw', 'qcow2'],
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supported_protocols=['file'])
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