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iotests: add test for changing the 'drive' property via 'qom-set'

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Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20250605100938.43133-1-f.ebner@proxmox.com>
[kwolf: Fixed up pylint warnings flagged by 297]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fiona Ebner
2025-06-05 12:09:38 +02:00
committed by Kevin Wolf
parent d402da1360
commit 96acc034ff
2 changed files with 86 additions and 0 deletions
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75
tests/qemu-iotests/tests/qom-set-drive Executable file
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#!/usr/bin/env python3
# group: quick
#
# Test how changing the 'drive' property via 'qom-set' behaves.
#
# Copyright (C) Proxmox Server Solutions GmbH
#
# 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 imgfmt, log, qemu_img_create, QMPTestCase
image_size = 1 * 1024 * 1024
images = [os.path.join(iotests.test_dir, f'{i}.img') for i in range(0, 4)]
class TestQOMSetDrive(QMPTestCase):
def setUp(self) -> None:
for image in images:
qemu_img_create('-f', imgfmt, image, str(image_size))
self.vm = iotests.VM()
for i, image in enumerate(images):
self.vm.add_blockdev(self.vm.qmp_to_opts({
'driver': imgfmt,
'node-name': f'node{i}',
'file': {
'driver': 'file',
'filename': image,
}
}))
self.vm.add_object('iothread,id=iothread0')
self.vm.add_device('virtio-scsi,iothread=iothread0')
self.vm.add_device('scsi-hd,id=iot,drive=node0')
self.vm.add_device('virtio-scsi')
self.vm.add_device('scsi-hd,id=no-iot,drive=node1')
self.vm.launch()
def tearDown(self) -> None:
self.vm.shutdown()
for image in images:
os.remove(image)
def test_qom_set_drive(self) -> None:
log(self.vm.qmp('qom-get', path='/machine/peripheral/iot',
property='drive'))
log(self.vm.qmp('qom-set', path='/machine/peripheral/iot',
property='drive', value='node2'))
log(self.vm.qmp('qom-get', path='/machine/peripheral/iot',
property='drive'))
log(self.vm.qmp('qom-get', path='/machine/peripheral/no-iot',
property='drive'))
log(self.vm.qmp('qom-set', path='/machine/peripheral/no-iot',
property='drive', value='node3'))
log(self.vm.qmp('qom-get', path='/machine/peripheral/no-iot',
property='drive'))
if __name__ == '__main__':
iotests.activate_logging()
# LUKS would require special key-secret handling in add_blockdevs()
iotests.main(supported_fmts=['generic'],
unsupported_fmts=['luks'])

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tests/qemu-iotests/tests/qom-set-drive.out Normal file
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{"return": "node0"}
{"error": {"class": "GenericError", "desc": "Different aio context is not supported for new node"}}
{"return": "node0"}
{"return": "node1"}
{"return": {}}
{"return": "node3"}
.
----------------------------------------------------------------------
Ran 1 tests
OK