tests/qtest/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 "qapi/qmp/qdict.h"
  13 #include "qapi/qmp/qlist.h"
  14 #include "qemu/cutils.h"
  15 #include "libqtest.h"
  16
  17 static bool verbose;
  18
  19 static void test_properties(QTestState *qts, const char *path, bool recurse)
  20 {
  21     char *child_path;
  22     QDict *response, *tuple, *tmp;
  23     QList *list;
  24     QListEntry *entry;
  25     GSList *children = NULL, *links = NULL;
  26
  27     g_test_message("Obtaining properties of %s", path);
  28     response = qtest_qmp(qts, "{ 'execute': 'qom-list',"
  29                               "  'arguments': { 'path': %s } }", path);
  30     g_assert(response);
  31
  32     if (!recurse) {
  33         qobject_unref(response);
  34         return;
  35     }
  36
  37     g_assert(qdict_haskey(response, "return"));
  38     list = qobject_to(QList, qdict_get(response, "return"));
  39     QLIST_FOREACH_ENTRY(list, entry) {
  40         tuple = qobject_to(QDict, qlist_entry_obj(entry));
  41         bool is_child = strstart(qdict_get_str(tuple, "type"), "child<", NULL);
  42         bool is_link = strstart(qdict_get_str(tuple, "type"), "link<", NULL);
  43
  44         if (is_child || is_link) {
  45             child_path = g_strdup_printf("%s/%s",
  46                                          path, qdict_get_str(tuple, "name"));
  47             if (is_child) {
  48                 children = g_slist_prepend(children, child_path);
  49             } else {
  50                 links = g_slist_prepend(links, child_path);
  51             }
  52         } else {
  53             const char *prop = qdict_get_str(tuple, "name");
  54             if (verbose) {
  55                 g_test_message("-> %s", prop);
  56             }
  57             tmp = qtest_qmp(qts,
  58                             "{ 'execute': 'qom-get',"
  59                             "  'arguments': { 'path': %s, 'property': %s } }",
  60                             path, prop);
  61             /* qom-get may fail but should not, e.g., segfault. */
  62             g_assert(tmp);
  63             qobject_unref(tmp);
  64         }
  65     }
  66
  67     while (links) {
  68         test_properties(qts, links->data, false);
  69         g_free(links->data);
  70         links = g_slist_delete_link(links, links);
  71     }
  72     while (children) {
  73         test_properties(qts, children->data, true);
  74         g_free(children->data);
  75         children = g_slist_delete_link(children, children);
  76     }
  77
  78     qobject_unref(response);
  79 }
  80
  81 static void test_machine(gconstpointer data)
  82 {
  83     const char *machine = data;
  84     QDict *response;
  85     QTestState *qts;
  86
  87     qts = qtest_initf("-machine %s", machine);
  88
  89     test_properties(qts, "/machine", true);
  90
  91     response = qtest_qmp(qts, "{ 'execute': 'quit' }");
  92     g_assert(qdict_haskey(response, "return"));
  93     qobject_unref(response);
  94
  95     qtest_quit(qts);
  96     g_free((void *)machine);
  97 }
  98
  99 static void add_machine_test_case(const char *mname)
 100 {
 101     char *path;
 102
 103     path = g_strdup_printf("qom/%s", mname);
 104     qtest_add_data_func(path, g_strdup(mname), test_machine);
 105     g_free(path);
 106 }
 107
 108 int main(int argc, char **argv)
 109 {
 110     char *v_env = getenv("V");
 111
 112     if (v_env && atoi(v_env) >= 2) {
 113         verbose = true;
 114     }
 115
 116     g_test_init(&argc, &argv, NULL);
 117
 118     qtest_cb_for_every_machine(add_machine_test_case, g_test_quick());
 119
 120     return g_test_run();
 121 }