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 "qapi/qmp/qdict.h"
  14 #include "qapi/qmp/qlist.h"
  15 #include "qemu/cutils.h"
  16 #include "libqtest.h"
  17
  18 static const char *blacklist_x86[] = {
  19     "xenfv", "xenpv", NULL
  20 };
  21
  22 static const struct {
  23     const char *arch;
  24     const char **machine;
  25 } blacklists[] = {
  26     { "i386", blacklist_x86 },
  27     { "x86_64", blacklist_x86 },
  28 };
  29
  30 static bool is_blacklisted(const char *arch, const char *mach)
  31 {
  32     int i;
  33     const char **p;
  34
  35     for (i = 0; i < ARRAY_SIZE(blacklists); i++) {
  36         if (!strcmp(blacklists[i].arch, arch)) {
  37             for (p = blacklists[i].machine; *p; p++) {
  38                 if (!strcmp(*p, mach)) {
  39                     return true;
  40                 }
  41             }
  42         }
  43     }
  44     return false;
  45 }
  46
  47 static void test_properties(const char *path, bool recurse)
  48 {
  49     char *child_path;
  50     QDict *response, *tuple, *tmp;
  51     QList *list;
  52     QListEntry *entry;
  53
  54     g_test_message("Obtaining properties of %s", path);
  55     response = qmp("{ 'execute': 'qom-list',"
  56                    "  'arguments': { 'path': %s } }", path);
  57     g_assert(response);
  58
  59     if (!recurse) {
  60         QDECREF(response);
  61         return;
  62     }
  63
  64     g_assert(qdict_haskey(response, "return"));
  65     list = qobject_to_qlist(qdict_get(response, "return"));
  66     QLIST_FOREACH_ENTRY(list, entry) {
  67         tuple = qobject_to_qdict(qlist_entry_obj(entry));
  68         bool is_child = strstart(qdict_get_str(tuple, "type"), "child<", NULL);
  69         bool is_link = strstart(qdict_get_str(tuple, "type"), "link<", NULL);
  70
  71         if (is_child || is_link) {
  72             child_path = g_strdup_printf("%s/%s",
  73                                          path, qdict_get_str(tuple, "name"));
  74             test_properties(child_path, is_child);
  75             g_free(child_path);
  76         } else {
  77             const char *prop = qdict_get_str(tuple, "name");
  78             g_test_message("Testing property %s.%s", path, prop);
  79             tmp = qmp("{ 'execute': 'qom-get',"
  80                       "  'arguments': { 'path': %s,"
  81                       "                 'property': %s } }",
  82                       path, prop);
  83             /* qom-get may fail but should not, e.g., segfault. */
  84             g_assert(tmp);
  85             QDECREF(tmp);
  86         }
  87     }
  88     QDECREF(response);
  89 }
  90
  91 static void test_machine(gconstpointer data)
  92 {
  93     const char *machine = data;
  94     char *args;
  95     QDict *response;
  96
  97     args = g_strdup_printf("-machine %s", machine);
  98     qtest_start(args);
  99
 100     test_properties("/machine", true);
 101
 102     response = qmp("{ 'execute': 'quit' }");
 103     g_assert(qdict_haskey(response, "return"));
 104     QDECREF(response);
 105
 106     qtest_end();
 107     g_free(args);
 108     g_free((void *)machine);
 109 }
 110
 111 static void add_machine_test_case(const char *mname)
 112 {
 113     const char *arch = qtest_get_arch();
 114
 115     if (!is_blacklisted(arch, mname)) {
 116         char *path = g_strdup_printf("qom/%s", mname);
 117         qtest_add_data_func(path, g_strdup(mname), test_machine);
 118         g_free(path);
 119     }
 120 }
 121
 122 int main(int argc, char **argv)
 123 {
 124     g_test_init(&argc, &argv, NULL);
 125
 126     qtest_cb_for_every_machine(add_machine_test_case);
 127
 128     return g_test_run();
 129 }