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)
107 char *qom_tree_start, *qom_tree_end;
108 char *qtree_start, *qtree_end;
110 g_test_message("Testing device '%s'", type);
112 qom_tree_start = hmp("info qom-tree");
113 qtree_start = hmp("info qtree");
115 resp = qmp("{'execute': 'device-list-properties',"
116 " 'arguments': {'typename': %s}}",
120 help = hmp("device_add \"%s,help\"", type);
124 * Some devices leave dangling pointers in QOM behind.
125 * "info qom-tree" or "info qtree" have a good chance at crashing then.
126 * Also make sure that the tree did not change.
128 qom_tree_end = hmp("info qom-tree");
129 g_assert_cmpstr(qom_tree_start, ==, qom_tree_end);
130 g_free(qom_tree_start);
131 g_free(qom_tree_end);
133 qtree_end = hmp("info qtree");
134 g_assert_cmpstr(qtree_start, ==, qtree_end);
139 static void test_device_intro_list(void)
144 qtest_start(common_args);
146 types = device_type_list(true);
147 qobject_unref(types);
149 help = hmp("device_add help");
156 * Ensure all entries returned by qom-list-types implements=<parent>
157 * have <parent> as a parent.
159 static void test_qom_list_parents(const char *parent)
165 types = qom_list_types(parent, true);
166 index = qom_type_index(types);
168 QLIST_FOREACH_ENTRY(types, e) {
169 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
170 const char *name = qdict_get_str(d, "name");
172 g_assert(qom_has_parent(index, name, parent));
175 qobject_unref(types);
176 qobject_unref(index);
179 static void test_qom_list_fields(void)
185 qtest_start(common_args);
187 all_types = qom_list_types(NULL, true);
188 non_abstract = qom_list_types(NULL, false);
190 QLIST_FOREACH_ENTRY(all_types, e) {
191 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
192 const char *name = qdict_get_str(d, "name");
193 bool abstract = qdict_haskey(d, "abstract") ?
194 qdict_get_bool(d, "abstract") :
196 bool expected_abstract = !type_list_find(non_abstract, name);
198 g_assert(abstract == expected_abstract);
201 test_qom_list_parents("object");
202 test_qom_list_parents("device");
203 test_qom_list_parents("sys-bus-device");
205 qobject_unref(all_types);
206 qobject_unref(non_abstract);
210 static void test_device_intro_none(void)
212 qtest_start(common_args);
213 test_one_device("nonexistent");
217 static void test_device_intro_abstract(void)
219 qtest_start(common_args);
220 test_one_device("device");
224 static void test_device_intro_concrete(const void *args)
231 types = device_type_list(false);
233 QLIST_FOREACH_ENTRY(types, entry) {
234 type = qdict_get_try_str(qobject_to(QDict, qlist_entry_obj(entry)),
237 test_one_device(type);
240 qobject_unref(types);
242 g_free((void *)args);
245 static void test_abstract_interfaces(void)
251 qtest_start(common_args);
253 all_types = qom_list_types("interface", true);
254 index = qom_type_index(all_types);
256 QLIST_FOREACH_ENTRY(all_types, e) {
257 QDict *d = qobject_to(QDict, qlist_entry_obj(e));
258 const char *name = qdict_get_str(d, "name");
261 * qom-list-types implements=interface returns all types
262 * that implement _any_ interface (not just interface
263 * types), so skip the ones that don't have "interface"
264 * on the parent type chain.
266 if (!qom_has_parent(index, name, "interface")) {
267 /* Not an interface type */
271 g_assert(qdict_haskey(d, "abstract") && qdict_get_bool(d, "abstract"));
274 qobject_unref(all_types);
275 qobject_unref(index);
279 static void add_machine_test_case(const char *mname)
283 /* Ignore blacklisted machines */
284 if (g_str_equal("xenfv", mname) || g_str_equal("xenpv", mname)) {
288 path = g_strdup_printf("device/introspect/concrete/defaults/%s", mname);
289 args = g_strdup_printf("-M %s", mname);
290 qtest_add_data_func(path, args, test_device_intro_concrete);
293 path = g_strdup_printf("device/introspect/concrete/nodefaults/%s", mname);
294 args = g_strdup_printf("-nodefaults -M %s", mname);
295 qtest_add_data_func(path, args, test_device_intro_concrete);
299 int main(int argc, char **argv)
301 g_test_init(&argc, &argv, NULL);
303 qtest_add_func("device/introspect/list", test_device_intro_list);
304 qtest_add_func("device/introspect/list-fields", test_qom_list_fields);
305 qtest_add_func("device/introspect/none", test_device_intro_none);
306 qtest_add_func("device/introspect/abstract", test_device_intro_abstract);
307 qtest_add_func("device/introspect/abstract-interfaces", test_abstract_interfaces);
308 if (g_test_quick()) {
309 qtest_add_data_func("device/introspect/concrete/defaults/none",
310 g_strdup(common_args), test_device_intro_concrete);
312 qtest_cb_for_every_machine(add_machine_test_case, true);