Commit e3409362 authored by Ian Main's avatar Ian Main Committed by Kevin Wolf
Browse files

Add tests for sync modes 'TOP' and 'NONE'



This patch adds tests for sync modes top and none.  Test for 'TOP'
is separated out as it requires a backing file.  Also added a test
for invalid format.
Signed-off-by: default avatarIan Main <imain@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
parent fc5d3f84
......@@ -97,6 +97,12 @@ class TestSingleDrive(iotests.QMPTestCase):
target=target_img, sync='full', mode='existing')
self.assert_qmp(result, 'error/class', 'GenericError')
def test_invalid_format(self):
result = self.vm.qmp('drive-backup', device='drive0',
target=target_img, sync='full',
format='spaghetti-noodles')
self.assert_qmp(result, 'error/class', 'GenericError')
def test_device_not_found(self):
result = self.vm.qmp('drive-backup', device='nonexistent',
target=target_img, sync='full')
......
.............
..............
----------------------------------------------------------------------
Ran 13 tests
Ran 14 tests
OK
#!/usr/bin/env python
#
# Tests for drive-backup
#
# Copyright (C) 2013 Red Hat, Inc.
#
# Based on 041.
#
# 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 time
import os
import iotests
from iotests import qemu_img, qemu_io, create_image
backing_img = os.path.join(iotests.test_dir, 'backing.img')
test_img = os.path.join(iotests.test_dir, 'test.img')
target_img = os.path.join(iotests.test_dir, 'target.img')
class TestSyncModesNoneAndTop(iotests.QMPTestCase):
image_len = 64 * 1024 * 1024 # MB
def setUp(self):
create_image(backing_img, TestSyncModesNoneAndTop.image_len)
qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, test_img)
qemu_io('-c', 'write -P0x41 0 512', test_img)
qemu_io('-c', 'write -P0xd5 1M 32k', test_img)
qemu_io('-c', 'write -P0xdc 32M 124k', test_img)
qemu_io('-c', 'write -P0xdc 67043328 64k', test_img)
self.vm = iotests.VM().add_drive(test_img)
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(test_img)
os.remove(backing_img)
try:
os.remove(target_img)
except OSError:
pass
def test_complete_top(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-backup', device='drive0', sync='top',
format=iotests.imgfmt, target=target_img)
self.assert_qmp(result, 'return', {})
# Custom completed check as we are not copying all data.
completed = False
while not completed:
for event in self.vm.get_qmp_events(wait=True):
if event['event'] == 'BLOCK_JOB_COMPLETED':
self.assert_qmp(event, 'data/device', 'drive0')
self.assert_qmp_absent(event, 'data/error')
completed = True
self.assert_no_active_block_jobs()
self.vm.shutdown()
self.assertTrue(iotests.compare_images(test_img, target_img),
'target image does not match source after backup')
def test_cancel_sync_none(self):
self.assert_no_active_block_jobs()
result = self.vm.qmp('drive-backup', device='drive0',
sync='none', target=target_img)
self.assert_qmp(result, 'return', {})
time.sleep(1)
self.vm.hmp_qemu_io('drive0', 'write -P0x5e 0 512')
self.vm.hmp_qemu_io('drive0', 'aio_flush')
# Verify that the original contents exist in the target image.
event = self.cancel_and_wait()
self.assert_qmp(event, 'data/type', 'backup')
self.vm.shutdown()
time.sleep(1)
self.assertEqual(-1, qemu_io('-c', 'read -P0x41 0 512', target_img).find("verification failed"))
if __name__ == '__main__':
iotests.main(supported_fmts=['qcow2', 'qed'])
..
----------------------------------------------------------------------
Ran 2 tests
OK
......@@ -62,3 +62,4 @@
053 rw auto
054 rw auto
055 rw auto
056 rw auto backing
......@@ -95,6 +95,11 @@ class VM(object):
self._num_drives += 1
return self
def hmp_qemu_io(self, drive, cmd):
'''Write to a given drive using an HMP command'''
return self.qmp('human-monitor-command',
command_line='qemu-io %s "%s"' % (drive, cmd))
def add_fd(self, fd, fdset, opaque, opts=''):
'''Pass a file descriptor to the VM'''
options = ['fd=%d' % fd,
......
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