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
  17 static const char *blacklist_x86[] = {
  18     "xenfv", "xenpv", NULL
  19 };
  20
  21 static const struct {
  22     const char *arch;
  23     const char **machine;
  24 } blacklists[] = {
  25     { "i386", blacklist_x86 },
  26     { "x86_64", blacklist_x86 },
  27 };
  28
  29 static 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
  46 static 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
  90 static 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
 110 static 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, *path;
 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             path = g_strdup_printf("qom/%s", mname);
 136             qtest_add_data_func(path, g_strdup(mname), test_machine);
 137         }
 138     }
 139
 140     qtest_end();
 141     QDECREF(response);
 142 }
 143
 144 int main(int argc, char **argv)
 145 {
 146     g_test_init(&argc, &argv, NULL);
 147
 148     add_machine_test_cases();
 149
 150     return g_test_run();
 151 }