qemu-patch-raspberry4/tests/qemu-iotests/067
Sascha Silbe f436c94102 qemu-iotests: 067: ignore QMP events
The relative ordering of "device_del" return value and the
"DEVICE_DELETED" QMP event depends on the architecture being
tested. On x86 unplugging virtio disks is asynchronous
(=qdev_unplug()= → =hotplug_handler_unplug_request()=) while on s390x
it is synchronous (=qdev_unplug()= → =hotplug_handler_unplug()=). This
leads to the actual output on s390x consistently differing from the
reference output (that was probably produced on x86).

The easiest way to address this is to filter out QMP events in
067. The DEVICE_DELETED event is already getting explicitly tested by
the Python-based test case 139, so the test coverage should be
unaffected. Make use of the recently introduced _filter_qmp_events()
to remove QMP events from the test case output and adjust the
reference output accordingly.

The tr / sed / tr trick used for filtering was suggested by Max Reitz
<mreitz@redhat.com>.

Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Message-id: 1455886869-139916-2-git-send-email-silbe@linux.vnet.ibm.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-02-22 16:54:14 +01:00

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#!/bin/bash
#
# Test automatic deletion of BDSes created by -drive/drive_add
#
# Copyright (C) 2013 Red Hat, Inc.
#
# 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/>.
#
# creator
owner=kwolf@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt qcow2
_supported_proto file
_supported_os Linux
# Because anything other than 16 would change the output of query-block
_unsupported_imgopts 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'
function do_run_qemu()
{
echo Testing: "$@"
$QEMU -nographic -qmp-pretty stdio -serial none "$@"
echo
}
# Remove QMP events from (pretty-printed) output. Doesn't handle
# nested dicts correctly, but we don't get any of those in this test.
_filter_qmp_events()
{
tr '\n' '\t' | sed -e \
's/{\s*"timestamp":\s*{[^}]*},\s*"event":[^,}]*\(,\s*"data":\s*{[^}]*}\)\?\s*}\s*//g' \
| tr '\t' '\n'
}
function run_qemu()
{
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp | _filter_qemu \
| sed -e 's/\("actual-size":\s*\)[0-9]\+/\1SIZE/g' \
| _filter_generated_node_ids | _filter_qmp_events
}
size=128M
_make_test_img $size
echo
echo === -drive/-device and device_del ===
echo
run_qemu -drive file=$TEST_IMG,format=$IMGFMT,if=none,id=disk -device virtio-blk,drive=disk,id=virtio0 <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "query-block" }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF
echo
echo === -drive/device_add and device_del ===
echo
run_qemu -drive file=$TEST_IMG,format=$IMGFMT,if=none,id=disk <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "query-block" }
{ "execute": "device_add",
"arguments": { "driver": "virtio-blk", "drive": "disk",
"id": "virtio0" } }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF
echo
echo === drive_add/device_add and device_del ===
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "human-monitor-command",
"arguments": { "command-line": "drive_add 0 file=$TEST_IMG,format=$IMGFMT,if=none,id=disk" } }
{ "execute": "query-block" }
{ "execute": "device_add",
"arguments": { "driver": "virtio-blk", "drive": "disk",
"id": "virtio0" } }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF
echo
echo === blockdev_add/device_add and device_del ===
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "blockdev-add",
"arguments": {
"options": {
"driver": "$IMGFMT",
"id": "disk",
"file": {
"driver": "file",
"filename": "$TEST_IMG"
}
}
}
}
{ "execute": "query-block" }
{ "execute": "device_add",
"arguments": { "driver": "virtio-blk", "drive": "disk",
"id": "virtio0" } }
{ "execute": "device_del", "arguments": { "id": "virtio0" } }
{ "execute": "system_reset" }
{ "execute": "query-block" }
{ "execute": "quit" }
EOF
# success, all done
echo "*** done"
rm -f $seq.full
status=0