334 lines
9.2 KiB
C
334 lines
9.2 KiB
C
/*
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* Device introspection test cases
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*
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* Copyright (c) 2015 Red Hat Inc.
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*
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* Authors:
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* Markus Armbruster <armbru@redhat.com>,
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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/*
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* Covers QMP device-list-properties and HMP device_add help. We
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* currently don't check that their output makes sense, only that QEMU
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* survives. Useful since we've had an astounding number of crash
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* bugs around here.
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*/
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "qapi/qmp/qstring.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qlist.h"
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#include "libqtest.h"
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const char common_args[] = "-nodefaults -machine none";
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static QList *qom_list_types(QTestState * qts, const char *implements,
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bool abstract)
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{
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QDict *resp;
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QList *ret;
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QDict *args = qdict_new();
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qdict_put_bool(args, "abstract", abstract);
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if (implements) {
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qdict_put_str(args, "implements", implements);
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}
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resp = qtest_qmp(qts, "{'execute': 'qom-list-types', 'arguments': %p }",
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args);
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g_assert(qdict_haskey(resp, "return"));
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ret = qdict_get_qlist(resp, "return");
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qobject_ref(ret);
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qobject_unref(resp);
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return ret;
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}
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/* Build a name -> ObjectTypeInfo index from a ObjectTypeInfo list */
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static QDict *qom_type_index(QList *types)
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{
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QDict *index = qdict_new();
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QListEntry *e;
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QLIST_FOREACH_ENTRY(types, e) {
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QDict *d = qobject_to(QDict, qlist_entry_obj(e));
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const char *name = qdict_get_str(d, "name");
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qobject_ref(d);
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qdict_put(index, name, d);
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}
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return index;
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}
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/* Check if @parent is present in the parent chain of @type */
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static bool qom_has_parent(QDict *index, const char *type, const char *parent)
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{
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while (type) {
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QDict *d = qdict_get_qdict(index, type);
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const char *p = d && qdict_haskey(d, "parent") ?
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qdict_get_str(d, "parent") :
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NULL;
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if (!strcmp(type, parent)) {
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return true;
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}
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type = p;
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}
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return false;
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}
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/* Find an entry on a list returned by qom-list-types */
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static QDict *type_list_find(QList *types, const char *name)
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{
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QListEntry *e;
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QLIST_FOREACH_ENTRY(types, e) {
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QDict *d = qobject_to(QDict, qlist_entry_obj(e));
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const char *ename = qdict_get_str(d, "name");
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if (!strcmp(ename, name)) {
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return d;
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}
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}
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return NULL;
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}
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static QList *device_type_list(QTestState *qts, bool abstract)
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{
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return qom_list_types(qts, "device", abstract);
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}
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static void test_one_device(QTestState *qts, const char *type)
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{
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QDict *resp;
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char *help;
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g_test_message("Testing device '%s'", type);
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resp = qtest_qmp(qts, "{'execute': 'device-list-properties',"
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" 'arguments': {'typename': %s}}",
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type);
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qobject_unref(resp);
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help = qtest_hmp(qts, "device_add \"%s,help\"", type);
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g_free(help);
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}
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static void test_device_intro_list(void)
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{
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QList *types;
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char *help;
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QTestState *qts;
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qts = qtest_init(common_args);
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types = device_type_list(qts, true);
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qobject_unref(types);
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help = qtest_hmp(qts, "device_add help");
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g_free(help);
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qtest_quit(qts);
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}
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/*
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* Ensure all entries returned by qom-list-types implements=<parent>
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* have <parent> as a parent.
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*/
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static void test_qom_list_parents(QTestState *qts, const char *parent)
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{
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QList *types;
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QListEntry *e;
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QDict *index;
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types = qom_list_types(qts, parent, true);
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index = qom_type_index(types);
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QLIST_FOREACH_ENTRY(types, e) {
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QDict *d = qobject_to(QDict, qlist_entry_obj(e));
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const char *name = qdict_get_str(d, "name");
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g_assert(qom_has_parent(index, name, parent));
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}
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qobject_unref(types);
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qobject_unref(index);
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}
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static void test_qom_list_fields(void)
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{
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QList *all_types;
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QList *non_abstract;
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QListEntry *e;
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QTestState *qts;
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qts = qtest_init(common_args);
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all_types = qom_list_types(qts, NULL, true);
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non_abstract = qom_list_types(qts, NULL, false);
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QLIST_FOREACH_ENTRY(all_types, e) {
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QDict *d = qobject_to(QDict, qlist_entry_obj(e));
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const char *name = qdict_get_str(d, "name");
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bool abstract = qdict_haskey(d, "abstract") ?
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qdict_get_bool(d, "abstract") :
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false;
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bool expected_abstract = !type_list_find(non_abstract, name);
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g_assert(abstract == expected_abstract);
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}
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test_qom_list_parents(qts, "object");
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test_qom_list_parents(qts, "device");
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test_qom_list_parents(qts, "sys-bus-device");
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qobject_unref(all_types);
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qobject_unref(non_abstract);
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qtest_quit(qts);
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}
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static void test_device_intro_none(void)
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{
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QTestState *qts = qtest_init(common_args);
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g_autofree char *qom_tree_start = qtest_hmp(qts, "info qom-tree");
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g_autofree char *qom_tree_end = NULL;
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g_autofree char *qtree_start = qtest_hmp(qts, "info qtree");
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g_autofree char *qtree_end = NULL;
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test_one_device(qts, "nonexistent");
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/* Make sure that really nothing changed in the trees */
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qom_tree_end = qtest_hmp(qts, "info qom-tree");
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g_assert_cmpstr(qom_tree_start, ==, qom_tree_end);
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qtree_end = qtest_hmp(qts, "info qtree");
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g_assert_cmpstr(qtree_start, ==, qtree_end);
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qtest_quit(qts);
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}
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static void test_device_intro_abstract(void)
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{
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QTestState *qts = qtest_init(common_args);
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g_autofree char *qom_tree_start = qtest_hmp(qts, "info qom-tree");
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g_autofree char *qom_tree_end = NULL;
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g_autofree char *qtree_start = qtest_hmp(qts, "info qtree");
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g_autofree char *qtree_end = NULL;
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test_one_device(qts, "device");
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/* Make sure that really nothing changed in the trees */
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qom_tree_end = qtest_hmp(qts, "info qom-tree");
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g_assert_cmpstr(qom_tree_start, ==, qom_tree_end);
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qtree_end = qtest_hmp(qts, "info qtree");
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g_assert_cmpstr(qtree_start, ==, qtree_end);
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qtest_quit(qts);
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}
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static void test_device_intro_concrete(const void *args)
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{
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QList *types;
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QListEntry *entry;
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const char *type;
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QTestState *qts = qtest_init(args);
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g_autofree char *qom_tree_start = qtest_hmp(qts, "info qom-tree");
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g_autofree char *qom_tree_end = NULL;
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g_autofree char *qtree_start = qtest_hmp(qts, "info qtree");
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g_autofree char *qtree_end = NULL;
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types = device_type_list(qts, false);
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QLIST_FOREACH_ENTRY(types, entry) {
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type = qdict_get_try_str(qobject_to(QDict, qlist_entry_obj(entry)),
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"name");
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g_assert(type);
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test_one_device(qts, type);
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}
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/*
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* Some devices leave dangling pointers in QOM behind.
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* "info qom-tree" or "info qtree" have a good chance at crashing then.
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* Also make sure that the tree did not change.
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*/
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qom_tree_end = qtest_hmp(qts, "info qom-tree");
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g_assert_cmpstr(qom_tree_start, ==, qom_tree_end);
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qtree_end = qtest_hmp(qts, "info qtree");
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g_assert_cmpstr(qtree_start, ==, qtree_end);
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qobject_unref(types);
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qtest_quit(qts);
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g_free((void *)args);
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}
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static void test_abstract_interfaces(void)
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{
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QList *all_types;
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QListEntry *e;
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QDict *index;
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QTestState *qts;
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qts = qtest_init(common_args);
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all_types = qom_list_types(qts, "interface", true);
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index = qom_type_index(all_types);
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QLIST_FOREACH_ENTRY(all_types, e) {
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QDict *d = qobject_to(QDict, qlist_entry_obj(e));
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const char *name = qdict_get_str(d, "name");
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/*
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* qom-list-types implements=interface returns all types
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* that implement _any_ interface (not just interface
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* types), so skip the ones that don't have "interface"
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* on the parent type chain.
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*/
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if (!qom_has_parent(index, name, "interface")) {
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/* Not an interface type */
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continue;
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}
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g_assert(qdict_haskey(d, "abstract") && qdict_get_bool(d, "abstract"));
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}
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qobject_unref(all_types);
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qobject_unref(index);
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qtest_quit(qts);
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}
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static void add_machine_test_case(const char *mname)
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{
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char *path, *args;
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path = g_strdup_printf("device/introspect/concrete/defaults/%s", mname);
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args = g_strdup_printf("-M %s", mname);
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qtest_add_data_func(path, args, test_device_intro_concrete);
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g_free(path);
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path = g_strdup_printf("device/introspect/concrete/nodefaults/%s", mname);
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args = g_strdup_printf("-nodefaults -M %s", mname);
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qtest_add_data_func(path, args, test_device_intro_concrete);
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g_free(path);
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("device/introspect/list", test_device_intro_list);
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qtest_add_func("device/introspect/list-fields", test_qom_list_fields);
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qtest_add_func("device/introspect/none", test_device_intro_none);
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qtest_add_func("device/introspect/abstract", test_device_intro_abstract);
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qtest_add_func("device/introspect/abstract-interfaces", test_abstract_interfaces);
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if (g_test_quick()) {
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qtest_add_data_func("device/introspect/concrete/defaults/none",
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g_strdup(common_args), test_device_intro_concrete);
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} else {
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qtest_cb_for_every_machine(add_machine_test_case, true);
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}
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return g_test_run();
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}
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