xref: /openbmc/qemu/tests/qtest/qom-test.c (revision 6804d230)
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(QTestState *qts, 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 = qtest_qmp(qts, "{ 'execute': 'qom-list',"
56                               "  'arguments': { 'path': %s } }", path);
57     g_assert(response);
58 
59     if (!recurse) {
60         qobject_unref(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(qts, 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 = qtest_qmp(qts,
80                             "{ 'execute': 'qom-get',"
81                             "  'arguments': { 'path': %s, 'property': %s } }",
82                             path, prop);
83             /* qom-get may fail but should not, e.g., segfault. */
84             g_assert(tmp);
85             qobject_unref(tmp);
86         }
87     }
88     qobject_unref(response);
89 }
90 
91 static void test_machine(gconstpointer data)
92 {
93     const char *machine = data;
94     QDict *response;
95     QTestState *qts;
96 
97     qts = qtest_initf("-machine %s", machine);
98 
99     test_properties(qts, "/machine", true);
100 
101     response = qtest_qmp(qts, "{ 'execute': 'quit' }");
102     g_assert(qdict_haskey(response, "return"));
103     qobject_unref(response);
104 
105     qtest_quit(qts);
106     g_free((void *)machine);
107 }
108 
109 static void add_machine_test_case(const char *mname)
110 {
111     const char *arch = qtest_get_arch();
112 
113     if (!is_blacklisted(arch, mname)) {
114         char *path = g_strdup_printf("qom/%s", mname);
115         qtest_add_data_func(path, g_strdup(mname), test_machine);
116         g_free(path);
117     }
118 }
119 
120 int main(int argc, char **argv)
121 {
122     g_test_init(&argc, &argv, NULL);
123 
124     qtest_cb_for_every_machine(add_machine_test_case, g_test_quick());
125 
126     return g_test_run();
127 }
128