xref: /openbmc/qemu/tests/qtest/qom-test.c (revision 93e0932b)
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 }
124