90 lines
3.1 KiB
Python
Executable File
90 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# group: rw quick
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#
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# Test reopening a format driver's file child
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#
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# Copyright (C) 2022 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 os
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import iotests
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from iotests import imgfmt, qemu_img_create, QMPTestCase
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image_size = 1 * 1024 * 1024
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test_img = os.path.join(iotests.test_dir, 'test.img')
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class TestReopenFile(QMPTestCase):
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def setUp(self) -> None:
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res = qemu_img_create('-f', imgfmt, test_img, str(image_size))
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assert res.returncode == 0
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# Add format driver node ('format') on top of the file ('file'), then
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# add another raw node ('raw') on top of 'file' so for the reopen we
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# can just switch from 'file' to 'raw'
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self.vm = iotests.VM()
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self.vm.add_blockdev(self.vm.qmp_to_opts({
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'driver': imgfmt,
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'node-name': 'format',
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'file': {
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'driver': 'file',
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'node-name': 'file',
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'filename': test_img
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}
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}))
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self.vm.add_blockdev(self.vm.qmp_to_opts({
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'driver': 'raw',
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'node-name': 'raw',
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'file': 'file'
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}))
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self.vm.launch()
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def tearDown(self) -> None:
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self.vm.shutdown()
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os.remove(test_img)
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# Check if there was any qemu-io run that failed
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if 'Pattern verification failed' in self.vm.get_log():
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print('ERROR: Pattern verification failed:')
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print(self.vm.get_log())
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self.fail('qemu-io pattern verification failed')
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def test_reopen_file(self) -> None:
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result = self.vm.qmp('blockdev-reopen', options=[{
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'driver': imgfmt,
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'node-name': 'format',
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'file': 'raw'
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}])
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self.assert_qmp(result, 'return', {})
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# Do some I/O to the image to see whether it still works
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# (Pattern verification will be checked by tearDown())
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result = self.vm.qmp('human-monitor-command',
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command_line='qemu-io format "write -P 42 0 64k"')
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self.assert_qmp(result, 'return', '')
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result = self.vm.qmp('human-monitor-command',
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command_line='qemu-io format "read -P 42 0 64k"')
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self.assert_qmp(result, 'return', '')
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if __name__ == '__main__':
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# Must support creating images and reopen
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iotests.main(supported_fmts=['qcow', 'qcow2', 'qed', 'raw', 'vdi', 'vhdx',
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'vmdk', 'vpc'],
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supported_protocols=['file'])
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