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xemu/tests/test-qmp-commands.c
Eric Blake a12a5a1a01 qapi: Simplify error cleanup in test-qmp-* 
We have several tests that perform multiple sub-actions that are
expected to fail.  Asserting that an error occurred, then clearing
it up to prepare for the next action, turned into enough
boilerplate that it was sometimes forgotten (for example, a number
of tests added to test-qmp-input-visitor.c in d88f5fd leaked err).
Worse, if an error is not reset to NULL, we risk invalidating
later use of that error (passing a non-NULL err into a function
is generally a bad idea).  Encapsulate the boilerplate into a
single helper function error_free_or_abort(), and consistently
use it.

The new function is added into error.c for use everywhere,
although it is anticipated that testsuites will be the main
client.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-11-10 08:08:21 +01:00

250 lines
7.4 KiB
C
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#include <glib.h>
#include "qemu-common.h"
#include "qapi/qmp/types.h"
#include "test-qmp-commands.h"
#include "qapi/qmp/dispatch.h"
#include "qemu/module.h"
#include "qapi/qmp-input-visitor.h"
#include "tests/test-qapi-types.h"
#include "tests/test-qapi-visit.h"
void qmp_user_def_cmd(Error **errp)
{
}
void qmp_user_def_cmd1(UserDefOne * ud1, Error **errp)
{
}
UserDefTwo *qmp_user_def_cmd2(UserDefOne *ud1a,
bool has_udb1, UserDefOne *ud1b,
Error **errp)
{
UserDefTwo *ret;
UserDefOne *ud1c = g_malloc0(sizeof(UserDefOne));
UserDefOne *ud1d = g_malloc0(sizeof(UserDefOne));
ud1c->string = strdup(ud1a->string);
ud1c->integer = ud1a->integer;
ud1d->string = strdup(has_udb1 ? ud1b->string : "blah0");
ud1d->integer = has_udb1 ? ud1b->integer : 0;
ret = g_new0(UserDefTwo, 1);
ret->string0 = strdup("blah1");
ret->dict1 = g_new0(UserDefTwoDict, 1);
ret->dict1->string1 = strdup("blah2");
ret->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
ret->dict1->dict2->userdef = ud1c;
ret->dict1->dict2->string = strdup("blah3");
ret->dict1->dict3 = g_new0(UserDefTwoDictDict, 1);
ret->dict1->has_dict3 = true;
ret->dict1->dict3->userdef = ud1d;
ret->dict1->dict3->string = strdup("blah4");
return ret;
}
int64_t qmp_guest_get_time(int64_t a, bool has_b, int64_t b, Error **errp)
{
return a + (has_b ? b : 0);
}
QObject *qmp_guest_sync(QObject *arg, Error **errp)
{
return arg;
}
__org_qemu_x_Union1 *qmp___org_qemu_x_command(__org_qemu_x_EnumList *a,
__org_qemu_x_StructList *b,
__org_qemu_x_Union2 *c,
__org_qemu_x_Alt *d,
Error **errp)
{
__org_qemu_x_Union1 *ret = g_new0(__org_qemu_x_Union1, 1);
ret->type = ORG_QEMU_X_UNION1_KIND___ORG_QEMU_X_BRANCH;
ret->u.__org_qemu_x_branch = strdup("blah1");
return ret;
}
/* test commands with no input and no return value */
static void test_dispatch_cmd(void)
{
QDict *req = qdict_new();
QObject *resp;
qdict_put_obj(req, "execute", QOBJECT(qstring_from_str("user_def_cmd")));
resp = qmp_dispatch(QOBJECT(req));
assert(resp != NULL);
assert(!qdict_haskey(qobject_to_qdict(resp), "error"));
qobject_decref(resp);
QDECREF(req);
}
/* test commands that return an error due to invalid parameters */
static void test_dispatch_cmd_error(void)
{
QDict *req = qdict_new();
QObject *resp;
qdict_put_obj(req, "execute", QOBJECT(qstring_from_str("user_def_cmd2")));
resp = qmp_dispatch(QOBJECT(req));
assert(resp != NULL);
assert(qdict_haskey(qobject_to_qdict(resp), "error"));
qobject_decref(resp);
QDECREF(req);
}
static QObject *test_qmp_dispatch(QDict *req)
{
QObject *resp_obj;
QDict *resp;
QObject *ret;
resp_obj = qmp_dispatch(QOBJECT(req));
assert(resp_obj);
resp = qobject_to_qdict(resp_obj);
assert(resp && !qdict_haskey(resp, "error"));
ret = qdict_get(resp, "return");
assert(ret);
qobject_incref(ret);
qobject_decref(resp_obj);
return ret;
}
/* test commands that involve both input parameters and return values */
static void test_dispatch_cmd_io(void)
{
QDict *req = qdict_new();
QDict *args = qdict_new();
QDict *args3 = qdict_new();
QDict *ud1a = qdict_new();
QDict *ud1b = qdict_new();
QDict *ret, *ret_dict, *ret_dict_dict, *ret_dict_dict_userdef;
QDict *ret_dict_dict2, *ret_dict_dict2_userdef;
QInt *ret3;
qdict_put_obj(ud1a, "integer", QOBJECT(qint_from_int(42)));
qdict_put_obj(ud1a, "string", QOBJECT(qstring_from_str("hello")));
qdict_put_obj(ud1b, "integer", QOBJECT(qint_from_int(422)));
qdict_put_obj(ud1b, "string", QOBJECT(qstring_from_str("hello2")));
qdict_put_obj(args, "ud1a", QOBJECT(ud1a));
qdict_put_obj(args, "ud1b", QOBJECT(ud1b));
qdict_put_obj(req, "arguments", QOBJECT(args));
qdict_put_obj(req, "execute", QOBJECT(qstring_from_str("user_def_cmd2")));
ret = qobject_to_qdict(test_qmp_dispatch(req));
assert(!strcmp(qdict_get_str(ret, "string0"), "blah1"));
ret_dict = qdict_get_qdict(ret, "dict1");
assert(!strcmp(qdict_get_str(ret_dict, "string1"), "blah2"));
ret_dict_dict = qdict_get_qdict(ret_dict, "dict2");
ret_dict_dict_userdef = qdict_get_qdict(ret_dict_dict, "userdef");
assert(qdict_get_int(ret_dict_dict_userdef, "integer") == 42);
assert(!strcmp(qdict_get_str(ret_dict_dict_userdef, "string"), "hello"));
assert(!strcmp(qdict_get_str(ret_dict_dict, "string"), "blah3"));
ret_dict_dict2 = qdict_get_qdict(ret_dict, "dict3");
ret_dict_dict2_userdef = qdict_get_qdict(ret_dict_dict2, "userdef");
assert(qdict_get_int(ret_dict_dict2_userdef, "integer") == 422);
assert(!strcmp(qdict_get_str(ret_dict_dict2_userdef, "string"), "hello2"));
assert(!strcmp(qdict_get_str(ret_dict_dict2, "string"), "blah4"));
QDECREF(ret);
qdict_put(args3, "a", qint_from_int(66));
qdict_put(req, "arguments", args3);
qdict_put(req, "execute", qstring_from_str("guest-get-time"));
ret3 = qobject_to_qint(test_qmp_dispatch(req));
assert(qint_get_int(ret3) == 66);
QDECREF(ret3);
QDECREF(req);
}
/* test generated dealloc functions for generated types */
static void test_dealloc_types(void)
{
UserDefOne *ud1test, *ud1a, *ud1b;
UserDefOneList *ud1list;
ud1test = g_malloc0(sizeof(UserDefOne));
ud1test->integer = 42;
ud1test->string = g_strdup("hi there 42");
qapi_free_UserDefOne(ud1test);
ud1a = g_malloc0(sizeof(UserDefOne));
ud1a->integer = 43;
ud1a->string = g_strdup("hi there 43");
ud1b = g_malloc0(sizeof(UserDefOne));
ud1b->integer = 44;
ud1b->string = g_strdup("hi there 44");
ud1list = g_malloc0(sizeof(UserDefOneList));
ud1list->value = ud1a;
ud1list->next = g_malloc0(sizeof(UserDefOneList));
ud1list->next->value = ud1b;
qapi_free_UserDefOneList(ud1list);
}
/* test generated deallocation on an object whose construction was prematurely
* terminated due to an error */
static void test_dealloc_partial(void)
{
static const char text[] = "don't leak me";
UserDefTwo *ud2 = NULL;
Error *err = NULL;
/* create partial object */
{
QDict *ud2_dict;
QmpInputVisitor *qiv;
ud2_dict = qdict_new();
qdict_put_obj(ud2_dict, "string0", QOBJECT(qstring_from_str(text)));
qiv = qmp_input_visitor_new(QOBJECT(ud2_dict));
visit_type_UserDefTwo(qmp_input_get_visitor(qiv), &ud2, NULL, &err);
qmp_input_visitor_cleanup(qiv);
QDECREF(ud2_dict);
}
/* verify partial success */
assert(ud2 != NULL);
assert(ud2->string0 != NULL);
assert(strcmp(ud2->string0, text) == 0);
assert(ud2->dict1 == NULL);
/* confirm & release construction error */
error_free_or_abort(&err);
/* tear down partial object */
qapi_free_UserDefTwo(ud2);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/0.15/dispatch_cmd", test_dispatch_cmd);
g_test_add_func("/0.15/dispatch_cmd_error", test_dispatch_cmd_error);
g_test_add_func("/0.15/dispatch_cmd_io", test_dispatch_cmd_io);
g_test_add_func("/0.15/dealloc_types", test_dealloc_types);
g_test_add_func("/0.15/dealloc_partial", test_dealloc_partial);
module_call_init(MODULE_INIT_QAPI);
g_test_run();
return 0;
}
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