2 * Device introspection test cases
4 * Copyright (c) 2015 Red Hat Inc.
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.
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
20 #include "qemu/osdep.h"
21 #include "qemu-common.h"
22 #include "qapi/qmp/qstring.h"
23 #include "qapi/qmp/qdict.h"
24 #include "qapi/qmp/qlist.h"
27 const char common_args[] = "-nodefaults -machine none";
29 static QList *qom_list_types(const char *implements, bool abstract)
33 QDict *args = qdict_new();
35 qdict_put_bool(args, "abstract", abstract);
37 qdict_put_str(args, "implements", implements);
39 resp = qmp("{'execute': 'qom-list-types',"
40 " 'arguments': %p }", args);
41 g_assert(qdict_haskey(resp, "return"));
42 ret = qdict_get_qlist(resp, "return");
48 /* Build a name -> ObjectTypeInfo index from a ObjectTypeInfo list */
49 static QDict *qom_type_index(QList *types)
51 QDict *index = qdict_new();
54 QLIST_FOREACH_ENTRY(types, e) {
55 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
56 const char *name = qdict_get_str(d, "name");
58 qdict_put(index, name, d);
63 /* Check if @parent is present in the parent chain of @type */
64 static bool qom_has_parent(QDict *index, const char *type, const char *parent)
67 QDict *d = qdict_get_qdict(index, type);
68 const char *p = d && qdict_haskey(d, "parent") ?
69 qdict_get_str(d, "parent") :
72 if (!strcmp(type, parent)) {
82 /* Find an entry on a list returned by qom-list-types */
83 static QDict *type_list_find(QList *types, const char *name)
87 QLIST_FOREACH_ENTRY(types, e) {
88 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
89 const char *ename = qdict_get_str(d, "name");
90 if (!strcmp(ename, name)) {
98 static QList *device_type_list(bool abstract)
100 return qom_list_types("device", abstract);
103 static void test_one_device(const char *type)
106 char *help, *qom_tree;
108 resp = qmp("{'execute': 'device-list-properties',"
109 " 'arguments': {'typename': %s}}",
113 help = hmp("device_add \"%s,help\"", type);
117 * Some devices leave dangling pointers in QOM behind.
118 * "info qom-tree" has a good chance at crashing then
120 qom_tree = hmp("info qom-tree");
124 static void test_device_intro_list(void)
129 qtest_start(common_args);
131 types = device_type_list(true);
132 qobject_unref(types);
134 help = hmp("device_add help");
141 * Ensure all entries returned by qom-list-types implements=<parent>
142 * have <parent> as a parent.
144 static void test_qom_list_parents(const char *parent)
150 types = qom_list_types(parent, true);
151 index = qom_type_index(types);
153 QLIST_FOREACH_ENTRY(types, e) {
154 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
155 const char *name = qdict_get_str(d, "name");
157 g_assert(qom_has_parent(index, name, parent));
160 qobject_unref(types);
161 qobject_unref(index);
164 static void test_qom_list_fields(void)
170 qtest_start(common_args);
172 all_types = qom_list_types(NULL, true);
173 non_abstract = qom_list_types(NULL, false);
175 QLIST_FOREACH_ENTRY(all_types, e) {
176 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
177 const char *name = qdict_get_str(d, "name");
178 bool abstract = qdict_haskey(d, "abstract") ?
179 qdict_get_bool(d, "abstract") :
181 bool expected_abstract = !type_list_find(non_abstract, name);
183 g_assert(abstract == expected_abstract);
186 test_qom_list_parents("object");
187 test_qom_list_parents("device");
188 test_qom_list_parents("sys-bus-device");
190 qobject_unref(all_types);
191 qobject_unref(non_abstract);
195 static void test_device_intro_none(void)
197 qtest_start(common_args);
198 test_one_device("nonexistent");
202 static void test_device_intro_abstract(void)
204 qtest_start(common_args);
205 test_one_device("device");
209 static void test_device_intro_concrete(void)
215 qtest_start(common_args);
216 types = device_type_list(false);
218 QLIST_FOREACH_ENTRY(types, entry) {
219 type = qdict_get_try_str(qobject_to(QDict, qlist_entry_obj(entry)),
222 test_one_device(type);
225 qobject_unref(types);
229 static void test_abstract_interfaces(void)
235 qtest_start(common_args);
237 all_types = qom_list_types("interface", true);
238 index = qom_type_index(all_types);
240 QLIST_FOREACH_ENTRY(all_types, e) {
241 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
242 const char *name = qdict_get_str(d, "name");
245 * qom-list-types implements=interface returns all types
246 * that implement _any_ interface (not just interface
247 * types), so skip the ones that don't have "interface"
248 * on the parent type chain.
250 if (!qom_has_parent(index, name, "interface")) {
251 /* Not an interface type */
255 g_assert(qdict_haskey(d, "abstract") && qdict_get_bool(d, "abstract"));
258 qobject_unref(all_types);
259 qobject_unref(index);
263 int main(int argc, char **argv)
265 g_test_init(&argc, &argv, NULL);
267 qtest_add_func("device/introspect/list", test_device_intro_list);
268 qtest_add_func("device/introspect/list-fields", test_qom_list_fields);
269 qtest_add_func("device/introspect/none", test_device_intro_none);
270 qtest_add_func("device/introspect/abstract", test_device_intro_abstract);
271 qtest_add_func("device/introspect/concrete", test_device_intro_concrete);
272 qtest_add_func("device/introspect/abstract-interfaces", test_abstract_interfaces);