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qemu/tests/qtest/qmp-cmd-test.c

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/*
* QMP command test cases
*
* Copyright (c) 2017 Red Hat Inc.
*
* Authors:
* Markus Armbruster <armbru@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include "qemu/osdep.h"
#include "libqos/libqtest.h"
#include "qapi/error.h"
#include "qapi/qapi-visit-introspect.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qobject-input-visitor.h"
const char common_args[] = "-nodefaults -machine none";
/* Query smoke tests */
static int query_error_class(const char *cmd)
{
static struct {
const char *cmd;
int err_class;
} fails[] = {
/* Success depends on build configuration: */
#ifndef CONFIG_SPICE
{ "query-spice", ERROR_CLASS_COMMAND_NOT_FOUND },
#endif
#ifndef CONFIG_TCG
{ "query-replay", ERROR_CLASS_COMMAND_NOT_FOUND },
#endif
#ifndef CONFIG_VNC
{ "query-vnc", ERROR_CLASS_GENERIC_ERROR },
{ "query-vnc-servers", ERROR_CLASS_GENERIC_ERROR },
#endif
#ifndef CONFIG_REPLICATION
{ "query-xen-replication-status", ERROR_CLASS_COMMAND_NOT_FOUND },
#endif
/* Likewise, and require special QEMU command-line arguments: */
{ "query-acpi-ospm-status", ERROR_CLASS_GENERIC_ERROR },
{ "query-balloon", ERROR_CLASS_DEVICE_NOT_ACTIVE },
{ "query-hotpluggable-cpus", ERROR_CLASS_GENERIC_ERROR },
{ "query-vm-generation-id", ERROR_CLASS_GENERIC_ERROR },
{ NULL, -1 }
};
int i;
for (i = 0; fails[i].cmd; i++) {
if (!strcmp(cmd, fails[i].cmd)) {
return fails[i].err_class;
}
}
return -1;
}
static void test_query(const void *data)
{
const char *cmd = data;
int expected_error_class = query_error_class(cmd);
QDict *resp, *error;
const char *error_class;
QTestState *qts;
qts = qtest_init(common_args);
resp = qtest_qmp(qts, "{ 'execute': %s }", cmd);
error = qdict_get_qdict(resp, "error");
error_class = error ? qdict_get_str(error, "class") : NULL;
if (expected_error_class < 0) {
g_assert(qdict_haskey(resp, "return"));
} else {
g_assert(error);
g_assert_cmpint(qapi_enum_parse(&QapiErrorClass_lookup, error_class,
-1, &error_abort),
==, expected_error_class);
}
qobject_unref(resp);
qtest_quit(qts);
}
static bool query_is_ignored(const char *cmd)
{
const char *ignored[] = {
/* Not actually queries: */
"add-fd",
/* Success depends on target arch: */
"query-cpu-definitions", /* arm, i386, ppc, s390x */
"query-gic-capabilities", /* arm */
/* Success depends on target-specific build configuration: */
"query-pci", /* CONFIG_PCI */
/* Success depends on launching SEV guest */
"query-sev-launch-measure",
/* Success depends on Host or Hypervisor SEV support */
"query-sev",
"query-sev-capabilities",
"query-sgx",
"query-sgx-capabilities",
NULL
};
int i;
for (i = 0; ignored[i]; i++) {
if (!strcmp(cmd, ignored[i])) {
return true;
}
}
return false;
}
typedef struct {
SchemaInfoList *list;
GHashTable *hash;
} QmpSchema;
static void qmp_schema_init(QmpSchema *schema)
{
QDict *resp;
Visitor *qiv;
SchemaInfoList *tail;
QTestState *qts;
qts = qtest_init(common_args);
resp = qtest_qmp(qts, "{ 'execute': 'query-qmp-schema' }");
qiv = qobject_input_visitor_new(qdict_get(resp, "return"));
visit_type_SchemaInfoList(qiv, NULL, &schema->list, &error_abort);
visit_free(qiv);
qobject_unref(resp);
qtest_quit(qts);
schema->hash = g_hash_table_new(g_str_hash, g_str_equal);
/* Build @schema: hash table mapping entity name to SchemaInfo */
for (tail = schema->list; tail; tail = tail->next) {
g_hash_table_insert(schema->hash, tail->value->name, tail->value);
}
}
static SchemaInfo *qmp_schema_lookup(QmpSchema *schema, const char *name)
{
return g_hash_table_lookup(schema->hash, name);
}
static void qmp_schema_cleanup(QmpSchema *schema)
{
qapi_free_SchemaInfoList(schema->list);
g_hash_table_destroy(schema->hash);
}
static bool object_type_has_mandatory_members(SchemaInfo *type)
{
SchemaInfoObjectMemberList *tail;
g_assert(type->meta_type == SCHEMA_META_TYPE_OBJECT);
for (tail = type->u.object.members; tail; tail = tail->next) {
if (!tail->value->has_q_default) {
return true;
}
}
return false;
}
static void add_query_tests(QmpSchema *schema)
{
SchemaInfoList *tail;
SchemaInfo *si, *arg_type, *ret_type;
char *test_name;
/* Test the query-like commands */
for (tail = schema->list; tail; tail = tail->next) {
si = tail->value;
if (si->meta_type != SCHEMA_META_TYPE_COMMAND) {
continue;
}
if (query_is_ignored(si->name)) {
continue;
}
arg_type = qmp_schema_lookup(schema, si->u.command.arg_type);
if (object_type_has_mandatory_members(arg_type)) {
continue;
}
ret_type = qmp_schema_lookup(schema, si->u.command.ret_type);
if (ret_type->meta_type == SCHEMA_META_TYPE_OBJECT
&& !ret_type->u.object.members) {
continue;
}
test_name = g_strdup_printf("qmp/%s", si->name);
qtest_add_data_func(test_name, si->name, test_query);
g_free(test_name);
}
}
static void test_object_add_failure_modes(void)
{
QTestState *qts;
QDict *resp;
/* attempt to create an object without props */
qts = qtest_init(common_args);
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1' } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
/* attempt to create an object without qom-type */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
/* attempt to delete an object that does not exist */
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
/* attempt to create 2 objects with duplicate id */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'size': 1048576 } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'size': 1048576 } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
/* delete ram1 object */
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* attempt to create an object with a property of a wrong type */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'size': '1048576' } }");
g_assert_nonnull(resp);
/* now do it right */
qmp_expect_error_and_unref(resp, "GenericError");
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'size': 1048576 } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* delete ram1 object */
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* attempt to create an object without the id */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram',"
" 'size': 1048576 } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
/* now do it right */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'size': 1048576 } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* delete ram1 object */
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* attempt to set a non existing property */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'sized': 1048576 } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
/* now do it right */
resp = qtest_qmp(qts, "{'execute': 'object-add', 'arguments':"
" {'qom-type': 'memory-backend-ram', 'id': 'ram1',"
" 'size': 1048576 } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* delete ram1 object without id */
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'ida': 'ram1' } }");
g_assert_nonnull(resp);
qobject_unref(resp);
/* delete ram1 object */
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
g_assert(qdict_haskey(resp, "return"));
qobject_unref(resp);
/* delete ram1 object that does not exist anymore*/
resp = qtest_qmp(qts, "{'execute': 'object-del', 'arguments':"
" {'id': 'ram1' } }");
g_assert_nonnull(resp);
qmp_expect_error_and_unref(resp, "GenericError");
qtest_quit(qts);
}
int main(int argc, char *argv[])
{
QmpSchema schema;
int ret;
g_test_init(&argc, &argv, NULL);
qmp_schema_init(&schema);
add_query_tests(&schema);
qtest_add_func("qmp/object-add-failure-modes",
test_object_add_failure_modes);
ret = g_test_run();
qmp_schema_cleanup(&schema);
return ret;
}
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