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 int verbosity_level;
  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     if (verbosity_level >= 2) {
  28         g_test_message("Obtaining properties of %s", path);
  29     }
  30     response = qtest_qmp(qts, "{ 'execute': 'qom-list',"
  31                               "  'arguments': { 'path': %s } }", path);
  32     g_assert(response);
  33
  34     if (!recurse) {
  35         qobject_unref(response);
  36         return;
  37     }
  38
  39     g_assert(qdict_haskey(response, "return"));
  40     list = qobject_to(QList, qdict_get(response, "return"));
  41     QLIST_FOREACH_ENTRY(list, entry) {
  42         tuple = qobject_to(QDict, qlist_entry_obj(entry));
  43         bool is_child = strstart(qdict_get_str(tuple, "type"), "child<", NULL);
  44         bool is_link = strstart(qdict_get_str(tuple, "type"), "link<", NULL);
  45
  46         if (is_child || is_link) {
  47             child_path = g_strdup_printf("%s/%s",
  48                                          path, qdict_get_str(tuple, "name"));
  49             if (is_child) {
  50                 children = g_slist_prepend(children, child_path);
  51             } else {
  52                 links = g_slist_prepend(links, child_path);
  53             }
  54         } else {
  55             const char *prop = qdict_get_str(tuple, "name");
  56             if (verbosity_level >= 3) {
  57                 g_test_message("-> %s", prop);
  58             }
  59             tmp = qtest_qmp(qts,
  60                             "{ 'execute': 'qom-get',"
  61                             "  'arguments': { 'path': %s, 'property': %s } }",
  62                             path, prop);
  63             /* qom-get may fail but should not, e.g., segfault. */
  64             g_assert(tmp);
  65             qobject_unref(tmp);
  66         }
  67     }
  68
  69     while (links) {
  70         test_properties(qts, links->data, false);
  71         g_free(links->data);
  72         links = g_slist_delete_link(links, links);
  73     }
  74     while (children) {
  75         test_properties(qts, children->data, true);
  76         g_free(children->data);
  77         children = g_slist_delete_link(children, children);
  78     }
  79
  80     qobject_unref(response);
  81 }
  82
  83 static void test_machine(gconstpointer data)
  84 {
  85     const char *machine = data;
  86     QDict *response;
  87     QTestState *qts;
  88
  89     qts = qtest_initf("-machine %s", machine);
  90
  91     test_properties(qts, "/machine", true);
  92
  93     response = qtest_qmp(qts, "{ 'execute': 'quit' }");
  94     g_assert(qdict_haskey(response, "return"));
  95     qobject_unref(response);
  96
  97     qtest_quit(qts);
  98     g_free((void *)machine);
  99 }
 100
 101 static void add_machine_test_case(const char *mname)
 102 {
 103     char *path;
 104
 105     path = g_strdup_printf("qom/%s", mname);
 106     qtest_add_data_func(path, g_strdup(mname), test_machine);
 107     g_free(path);
 108 }
 109
 110 int main(int argc, char **argv)
 111 {
 112     char *v_env = getenv("V");
 113
 114     if (v_env) {
 115         verbosity_level = atoi(v_env);
 116     }
 117
 118     g_test_init(&argc, &argv, NULL);
 119
 120     qtest_cb_for_every_machine(add_machine_test_case, g_test_quick());
 121
 122     return g_test_run();
 123 }