LXR qemu/tests/qom-test.c

   1/*
   2 * QTest testcase for QOM
   3 *
   4 * Copyright (c) 2013 SUSE LINUX Products GmbH
   5 *
   6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   7 * See the COPYING file in the top-level directory.
   8 */
   9
  10#include "qemu/osdep.h"
  11
  12#include "qemu-common.h"
  13#include "qemu/cutils.h"
  14#include "libqtest.h"
  15#include "qapi/qmp/types.h"
  16
  17static const char *blacklist_x86[] = {
  18    "xenfv", "xenpv", NULL
  19};
  20
  21static const struct {
  22    const char *arch;
  23    const char **machine;
  24} blacklists[] = {
  25    { "i386", blacklist_x86 },
  26    { "x86_64", blacklist_x86 },
  27};
  28
  29static bool is_blacklisted(const char *arch, const char *mach)
  30{
  31    int i;
  32    const char **p;
  33
  34    for (i = 0; i < ARRAY_SIZE(blacklists); i++) {
  35        if (!strcmp(blacklists[i].arch, arch)) {
  36            for (p = blacklists[i].machine; *p; p++) {
  37                if (!strcmp(*p, mach)) {
  38                    return true;
  39                }
  40            }
  41        }
  42    }
  43    return false;
  44}
  45
  46static void test_properties(const char *path, bool recurse)
  47{
  48    char *child_path;
  49    QDict *response, *tuple, *tmp;
  50    QList *list;
  51    QListEntry *entry;
  52
  53    g_test_message("Obtaining properties of %s", path);
  54    response = qmp("{ 'execute': 'qom-list',"
  55                   "  'arguments': { 'path': %s } }", path);
  56    g_assert(response);
  57
  58    if (!recurse) {
  59        QDECREF(response);
  60        return;
  61    }
  62
  63    g_assert(qdict_haskey(response, "return"));
  64    list = qobject_to_qlist(qdict_get(response, "return"));
  65    QLIST_FOREACH_ENTRY(list, entry) {
  66        tuple = qobject_to_qdict(qlist_entry_obj(entry));
  67        bool is_child = strstart(qdict_get_str(tuple, "type"), "child<", NULL);
  68        bool is_link = strstart(qdict_get_str(tuple, "type"), "link<", NULL);
  69
  70        if (is_child || is_link) {
  71            child_path = g_strdup_printf("%s/%s",
  72                                         path, qdict_get_str(tuple, "name"));
  73            test_properties(child_path, is_child);
  74            g_free(child_path);
  75        } else {
  76            const char *prop = qdict_get_str(tuple, "name");
  77            g_test_message("Testing property %s.%s", path, prop);
  78            tmp = qmp("{ 'execute': 'qom-get',"
  79                      "  'arguments': { 'path': %s,"
  80                      "                 'property': %s } }",
  81                      path, prop);
  82            /* qom-get may fail but should not, e.g., segfault. */
  83            g_assert(tmp);
  84            QDECREF(tmp);
  85        }
  86    }
  87    QDECREF(response);
  88}
  89
  90static void test_machine(gconstpointer data)
  91{
  92    const char *machine = data;
  93    char *args;
  94    QDict *response;
  95
  96    args = g_strdup_printf("-machine %s", machine);
  97    qtest_start(args);
  98
  99    test_properties("/machine", true);
 100
 101    response = qmp("{ 'execute': 'quit' }");
 102    g_assert(qdict_haskey(response, "return"));
 103    QDECREF(response);
 104
 105    qtest_end();
 106    g_free(args);
 107    g_free((void *)machine);
 108}
 109
 110static void add_machine_test_cases(void)
 111{
 112    const char *arch = qtest_get_arch();
 113    QDict *response, *minfo;
 114    QList *list;
 115    const QListEntry *p;
 116    QObject *qobj;
 117    QString *qstr;
 118    const char *mname;
 119
 120    qtest_start("-machine none");
 121    response = qmp("{ 'execute': 'query-machines' }");
 122    g_assert(response);
 123    list = qdict_get_qlist(response, "return");
 124    g_assert(list);
 125
 126    for (p = qlist_first(list); p; p = qlist_next(p)) {
 127        minfo = qobject_to_qdict(qlist_entry_obj(p));
 128        g_assert(minfo);
 129        qobj = qdict_get(minfo, "name");
 130        g_assert(qobj);
 131        qstr = qobject_to_qstring(qobj);
 132        g_assert(qstr);
 133        mname = qstring_get_str(qstr);
 134        if (!is_blacklisted(arch, mname)) {
 135            char *path = g_strdup_printf("qom/%s", mname);
 136            qtest_add_data_func(path, g_strdup(mname), test_machine);
 137            g_free(path);
 138        }
 139    }
 140
 141    qtest_end();
 142    QDECREF(response);
 143}
 144
 145int main(int argc, char **argv)
 146{
 147    g_test_init(&argc, &argv, NULL);
 148
 149    add_machine_test_cases();
 150
 151    return g_test_run();
 152}
 153