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/*
* 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 test_drive_without_dev(void)
{
QDict *response;
const char *response_return;
/* Start with an empty drive */
qtest_start("-drive if=none,id=drive0");
/* Delete the drive */
response = qmp("{\"execute\": \"human-monitor-command\","
" \"arguments\": {"
" \"command-line\": \"drive_del drive0\""
"}}");
g_assert(response);
response_return = qdict_get_try_str(response, "return");
g_assert(response_return);
g_assert(strcmp(response_return, "") == 0);
QDECREF(response);
/* Ensure re-adding the drive works - there should be no duplicate ID error
* because the old drive must be gone.
*/
response = qmp("{\"execute\": \"human-monitor-command\","
" \"arguments\": {"
" \"command-line\": \"drive_add 0 if=none,id=drive0\""
"}}");
g_assert(response);
response_return = qdict_get_try_str(response, "return");
g_assert(response_return);
g_assert(strcmp(response_return, "OK\r\n") == 0);
QDECREF(response);
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 */
response = qmp("{\"execute\": \"human-monitor-command\","
" \"arguments\": {"
" \"command-line\": \"drive_del drive0\""
"}}");
g_assert(response);
g_assert_cmpstr(qdict_get_try_str(response, "return"), ==, "");
QDECREF(response);
/* 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.
*/
response = qmp("{\"execute\": \"human-monitor-command\","
" \"arguments\": {"
" \"command-line\": \"drive_add pci-addr=auto if=none,id=drive0\""
"}}");
g_assert(response);
g_assert_cmpstr(qdict_get_try_str(response, "return"), ==, "OK\r\n");
QDECREF(response);
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);
}
return g_test_run();
}
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