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1 /*
2  * Device introspection test cases
3  *
4  * Copyright (c) 2015 Red Hat Inc.
5  *
6  * Authors:
7  *  Markus Armbruster <[email protected]>,
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  */
12
13 /*
14  * Covers QMP device-list-properties and HMP device_add help.  We
15  * currently don't check that their output makes sense, only that QEMU
16  * survives.  Useful since we've had an astounding number of crash
17  * bugs around here.
18  */
19
20 #include "qemu/osdep.h"
21 #include "qemu-common.h"
22 #include "qapi/qmp/qstring.h"
23 #include "libqtest.h"
24
25 const char common_args[] = "-nodefaults -machine none";
26
27 static QList *device_type_list(bool abstract)
28 {
29     QDict *resp;
30     QList *ret;
31
32     resp = qmp("{'execute': 'qom-list-types',"
33                " 'arguments': {'implements': 'device', 'abstract': %i}}",
34                abstract);
35     g_assert(qdict_haskey(resp, "return"));
36     ret = qdict_get_qlist(resp, "return");
37     QINCREF(ret);
38     QDECREF(resp);
39     return ret;
40 }
41
42 static void test_one_device(const char *type)
43 {
44     QDict *resp;
45     char *help, *qom_tree;
46
47     resp = qmp("{'execute': 'device-list-properties',"
48                " 'arguments': {'typename': %s}}",
49                type);
50     QDECREF(resp);
51
52     help = hmp("device_add \"%s,help\"", type);
53     g_free(help);
54
55     /*
56      * Some devices leave dangling pointers in QOM behind.
57      * "info qom-tree" has a good chance at crashing then
58      */
59     qom_tree = hmp("info qom-tree");
60     g_free(qom_tree);
61 }
62
63 static void test_device_intro_list(void)
64 {
65     QList *types;
66     char *help;
67
68     qtest_start(common_args);
69
70     types = device_type_list(true);
71     QDECREF(types);
72
73     help = hmp("device_add help");
74     g_free(help);
75
76     qtest_end();
77 }
78
79 static void test_device_intro_none(void)
80 {
81     qtest_start(common_args);
82     test_one_device("nonexistent");
83     qtest_end();
84 }
85
86 static void test_device_intro_abstract(void)
87 {
88     qtest_start(common_args);
89     test_one_device("device");
90     qtest_end();
91 }
92
93 static void test_device_intro_concrete(void)
94 {
95     QList *types;
96     QListEntry *entry;
97     const char *type;
98
99     qtest_start(common_args);
100     types = device_type_list(false);
101
102     QLIST_FOREACH_ENTRY(types, entry) {
103         type = qdict_get_try_str(qobject_to_qdict(qlist_entry_obj(entry)),
104                                 "name");
105         g_assert(type);
106         test_one_device(type);
107     }
108
109     QDECREF(types);
110     qtest_end();
111 }
112
113 int main(int argc, char **argv)
114 {
115     g_test_init(&argc, &argv, NULL);
116
117     qtest_add_func("device/introspect/list", test_device_intro_list);
118     qtest_add_func("device/introspect/none", test_device_intro_none);
119     qtest_add_func("device/introspect/abstract", test_device_intro_abstract);
120     qtest_add_func("device/introspect/concrete", test_device_intro_concrete);
121
122     return g_test_run();
123 }
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