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