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/*
* QMP protocol 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 "libqtest.h"
#include "qapi-visit.h"
#include "qapi/error.h"
#include "qapi/qobject-input-visitor.h"
#include "qapi/visitor.h"
const char common_args[] = "-nodefaults -machine none";
static const char *get_error_class(QDict *resp)
{
QDict *error = qdict_get_qdict(resp, "error");
const char *desc = qdict_get_try_str(error, "desc");
g_assert(desc);
return error ? qdict_get_try_str(error, "class") : NULL;
}
static void test_version(QObject *version)
{
Visitor *v;
VersionInfo *vinfo;
g_assert(version);
v = qobject_input_visitor_new(version, true);
visit_type_VersionInfo(v, "version", &vinfo, &error_abort);
qapi_free_VersionInfo(vinfo);
visit_free(v);
}
static void test_malformed(void)
{
QDict *resp;
/* Not even a dictionary */
resp = qmp("null");
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
QDECREF(resp);
/* No "execute" key */
resp = qmp("{}");
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
QDECREF(resp);
/* "execute" isn't a string */
resp = qmp("{ 'execute': true }");
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
QDECREF(resp);
/* "arguments" isn't a dictionary */
resp = qmp("{ 'execute': 'no-such-cmd', 'arguments': [] }");
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
QDECREF(resp);
/* extra key */
resp = qmp("{ 'execute': 'no-such-cmd', 'extra': true }");
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
QDECREF(resp);
}
static void test_qmp_protocol(void)
{
QDict *resp, *q, *ret;
QList *capabilities;
global_qtest = qtest_init_without_qmp_handshake(common_args);
/* Test greeting */
resp = qmp_receive();
q = qdict_get_qdict(resp, "QMP");
g_assert(q);
test_version(qdict_get(q, "version"));
capabilities = qdict_get_qlist(q, "capabilities");
g_assert(capabilities && qlist_empty(capabilities));
QDECREF(resp);
/* Test valid command before handshake */
resp = qmp("{ 'execute': 'query-version' }");
g_assert_cmpstr(get_error_class(resp), ==, "CommandNotFound");
QDECREF(resp);
/* Test malformed commands before handshake */
test_malformed();
/* Test handshake */
resp = qmp("{ 'execute': 'qmp_capabilities' }");
ret = qdict_get_qdict(resp, "return");
g_assert(ret && !qdict_size(ret));
QDECREF(resp);
/* Test repeated handshake */
resp = qmp("{ 'execute': 'qmp_capabilities' }");
g_assert_cmpstr(get_error_class(resp), ==, "CommandNotFound");
QDECREF(resp);
/* Test valid command */
resp = qmp("{ 'execute': 'query-version' }");
test_version(qdict_get(resp, "return"));
QDECREF(resp);
/* Test malformed commands */
test_malformed();
/* Test 'id' */
resp = qmp("{ 'execute': 'query-name', 'id': 'cookie#1' }");
ret = qdict_get_qdict(resp, "return");
g_assert(ret);
g_assert_cmpstr(qdict_get_try_str(resp, "id"), ==, "cookie#1");
QDECREF(resp);
/* Test command failure with 'id' */
resp = qmp("{ 'execute': 'human-monitor-command', 'id': 2 }");
g_assert_cmpstr(get_error_class(resp), ==, "GenericError");
g_assert_cmpint(qdict_get_int(resp, "id"), ==, 2);
QDECREF(resp);
qtest_end();
}
int main(int argc, char *argv[])
{
g_test_init(&argc, &argv, NULL);
qtest_add_func("qmp/protocol", test_qmp_protocol);
return g_test_run();
}
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