5fb48d9673
New convenience function hmp() to facilitate use of human-monitor-command in tests. Use it to simplify its existing uses. To blend into existing libqtest code, also add qtest_hmpv() and qtest_hmp(). That, and the egregiously verbose GTK-Doc comment format make this patch look bigger than it is. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <1443689999-12182-7-git-send-email-armbru@redhat.com>
128 lines
3.2 KiB
C
128 lines
3.2 KiB
C
/*
|
|
* blockdev.c test cases
|
|
*
|
|
* Copyright (C) 2013-2014 Red Hat Inc.
|
|
*
|
|
* Authors:
|
|
* Stefan Hajnoczi <stefanha@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
|
|
* See the COPYING.LIB file in the top-level directory.
|
|
*/
|
|
|
|
#include <glib.h>
|
|
#include <string.h>
|
|
#include "libqtest.h"
|
|
|
|
static void drive_add(void)
|
|
{
|
|
char *resp = hmp("drive_add 0 if=none,id=drive0");
|
|
|
|
g_assert_cmpstr(resp, ==, "OK\r\n");
|
|
g_free(resp);
|
|
}
|
|
|
|
static void drive_del(void)
|
|
{
|
|
char *resp = hmp("drive_del drive0");
|
|
|
|
g_assert_cmpstr(resp, ==, "");
|
|
g_free(resp);
|
|
}
|
|
|
|
static void device_del(void)
|
|
{
|
|
QDict *response;
|
|
|
|
/* Complication: ignore DEVICE_DELETED event */
|
|
qmp_discard_response("{'execute': 'device_del',"
|
|
" 'arguments': { 'id': 'dev0' } }");
|
|
response = qmp_receive();
|
|
g_assert(response);
|
|
g_assert(qdict_haskey(response, "return"));
|
|
QDECREF(response);
|
|
}
|
|
|
|
static void test_drive_without_dev(void)
|
|
{
|
|
/* Start with an empty drive */
|
|
qtest_start("-drive if=none,id=drive0");
|
|
|
|
/* Delete the drive */
|
|
drive_del();
|
|
|
|
/* Ensure re-adding the drive works - there should be no duplicate ID error
|
|
* because the old drive must be gone.
|
|
*/
|
|
drive_add();
|
|
|
|
qtest_end();
|
|
}
|
|
|
|
static void test_after_failed_device_add(void)
|
|
{
|
|
QDict *response;
|
|
QDict *error;
|
|
|
|
qtest_start("-drive if=none,id=drive0");
|
|
|
|
/* Make device_add fail. If this leaks the virtio-blk-pci device then a
|
|
* reference to drive0 will also be held (via qdev properties).
|
|
*/
|
|
response = qmp("{'execute': 'device_add',"
|
|
" 'arguments': {"
|
|
" 'driver': 'virtio-blk-pci',"
|
|
" 'drive': 'drive0'"
|
|
"}}");
|
|
g_assert(response);
|
|
error = qdict_get_qdict(response, "error");
|
|
g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, "GenericError");
|
|
QDECREF(response);
|
|
|
|
/* Delete the drive */
|
|
drive_del();
|
|
|
|
/* Try to re-add the drive. This fails with duplicate IDs if a leaked
|
|
* virtio-blk-pci exists that holds a reference to the old drive0.
|
|
*/
|
|
drive_add();
|
|
|
|
qtest_end();
|
|
}
|
|
|
|
static void test_drive_del_device_del(void)
|
|
{
|
|
/* Start with a drive used by a device that unplugs instantaneously */
|
|
qtest_start("-drive if=none,id=drive0,file=/dev/null,format=raw"
|
|
" -device virtio-scsi-pci"
|
|
" -device scsi-hd,drive=drive0,id=dev0");
|
|
|
|
/*
|
|
* Delete the drive, and then the device
|
|
* Doing it in this order takes notoriously tricky special paths
|
|
*/
|
|
drive_del();
|
|
device_del();
|
|
|
|
qtest_end();
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
const char *arch = qtest_get_arch();
|
|
|
|
g_test_init(&argc, &argv, NULL);
|
|
|
|
qtest_add_func("/drive_del/without-dev", test_drive_without_dev);
|
|
|
|
/* TODO I guess any arch with PCI would do */
|
|
if (!strcmp(arch, "i386") || !strcmp(arch, "x86_64")) {
|
|
qtest_add_func("/drive_del/after_failed_device_add",
|
|
test_after_failed_device_add);
|
|
qtest_add_func("/blockdev/drive_del_device_del",
|
|
test_drive_del_device_del);
|
|
}
|
|
|
|
return g_test_run();
|
|
}
|