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qemu/tests/test-qmp-input-strict.c
Wenchao Xia 5223070c47 qapi script: do not allow string discriminator 
Since enum based discriminators provide better type-safety and
ensure that future qapi additions do not forget to adjust dependent
unions, forbid using string as discriminator from now on.

Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-03-11 09:07:42 -04:00

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/*
* QMP Input Visitor unit-tests (strict mode).
*
* Copyright (C) 2011-2012 Red Hat Inc.
*
* Authors:
* Luiz Capitulino <lcapitulino@redhat.com>
* Paolo Bonzini <pbonzini@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 <glib.h>
#include <stdarg.h>
#include "qemu-common.h"
#include "qapi/qmp-input-visitor.h"
#include "test-qapi-types.h"
#include "test-qapi-visit.h"
#include "qapi/qmp/types.h"
typedef struct TestInputVisitorData {
QObject *obj;
QmpInputVisitor *qiv;
} TestInputVisitorData;
static void validate_teardown(TestInputVisitorData *data,
const void *unused)
{
qobject_decref(data->obj);
data->obj = NULL;
if (data->qiv) {
qmp_input_visitor_cleanup(data->qiv);
data->qiv = NULL;
}
}
/* This is provided instead of a test setup function so that the JSON
string used by the tests are kept in the test functions (and not
int main()) */
static GCC_FMT_ATTR(2, 3)
Visitor *validate_test_init(TestInputVisitorData *data,
const char *json_string, ...)
{
Visitor *v;
va_list ap;
va_start(ap, json_string);
data->obj = qobject_from_jsonv(json_string, &ap);
va_end(ap);
g_assert(data->obj != NULL);
data->qiv = qmp_input_visitor_new_strict(data->obj);
g_assert(data->qiv != NULL);
v = qmp_input_get_visitor(data->qiv);
g_assert(v != NULL);
return v;
}
typedef struct TestStruct
{
int64_t integer;
bool boolean;
char *string;
} TestStruct;
static void visit_type_TestStruct(Visitor *v, TestStruct **obj,
const char *name, Error **errp)
{
visit_start_struct(v, (void **)obj, "TestStruct", name, sizeof(TestStruct),
errp);
visit_type_int(v, &(*obj)->integer, "integer", errp);
visit_type_bool(v, &(*obj)->boolean, "boolean", errp);
visit_type_str(v, &(*obj)->string, "string", errp);
visit_end_struct(v, errp);
}
static void test_validate_struct(TestInputVisitorData *data,
const void *unused)
{
TestStruct *p = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo' }");
visit_type_TestStruct(v, &p, NULL, &errp);
g_assert(!errp);
g_free(p->string);
g_free(p);
}
static void test_validate_struct_nested(TestInputVisitorData *data,
const void *unused)
{
UserDefNested *udp = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'string0': 'string0', 'dict1': { 'string1': 'string1', 'dict2': { 'userdef1': { 'integer': 42, 'string': 'string' }, 'string2': 'string2'}}}");
visit_type_UserDefNested(v, &udp, NULL, &errp);
g_assert(!errp);
qapi_free_UserDefNested(udp);
}
static void test_validate_list(TestInputVisitorData *data,
const void *unused)
{
UserDefOneList *head = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "[ { 'string': 'string0', 'integer': 42 }, { 'string': 'string1', 'integer': 43 }, { 'string': 'string2', 'integer': 44 } ]");
visit_type_UserDefOneList(v, &head, NULL, &errp);
g_assert(!errp);
qapi_free_UserDefOneList(head);
}
static void test_validate_union(TestInputVisitorData *data,
const void *unused)
{
UserDefUnion *tmp = NULL;
Visitor *v;
Error *errp = NULL;
v = validate_test_init(data, "{ 'type': 'b', 'integer': 41, 'data' : { 'integer': 42 } }");
visit_type_UserDefUnion(v, &tmp, NULL, &errp);
g_assert(!errp);
qapi_free_UserDefUnion(tmp);
}
static void test_validate_union_flat(TestInputVisitorData *data,
const void *unused)
{
UserDefFlatUnion *tmp = NULL;
Visitor *v;
Error *errp = NULL;
v = validate_test_init(data,
"{ 'enum1': 'value1', "
"'string': 'str', "
"'boolean': true }");
/* TODO when generator bug is fixed, add 'integer': 41 */
visit_type_UserDefFlatUnion(v, &tmp, NULL, &errp);
g_assert(!error_is_set(&errp));
qapi_free_UserDefFlatUnion(tmp);
}
static void test_validate_union_anon(TestInputVisitorData *data,
const void *unused)
{
UserDefAnonUnion *tmp = NULL;
Visitor *v;
Error *errp = NULL;
v = validate_test_init(data, "42");
visit_type_UserDefAnonUnion(v, &tmp, NULL, &errp);
g_assert(!error_is_set(&errp));
qapi_free_UserDefAnonUnion(tmp);
}
static void test_validate_fail_struct(TestInputVisitorData *data,
const void *unused)
{
TestStruct *p = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo', 'extra': 42 }");
visit_type_TestStruct(v, &p, NULL, &errp);
g_assert(errp);
if (p) {
g_free(p->string);
}
g_free(p);
}
static void test_validate_fail_struct_nested(TestInputVisitorData *data,
const void *unused)
{
UserDefNested *udp = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'string0': 'string0', 'dict1': { 'string1': 'string1', 'dict2': { 'userdef1': { 'integer': 42, 'string': 'string', 'extra': [42, 23, {'foo':'bar'}] }, 'string2': 'string2'}}}");
visit_type_UserDefNested(v, &udp, NULL, &errp);
g_assert(errp);
qapi_free_UserDefNested(udp);
}
static void test_validate_fail_list(TestInputVisitorData *data,
const void *unused)
{
UserDefOneList *head = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "[ { 'string': 'string0', 'integer': 42 }, { 'string': 'string1', 'integer': 43 }, { 'string': 'string2', 'integer': 44, 'extra': 'ggg' } ]");
visit_type_UserDefOneList(v, &head, NULL, &errp);
g_assert(errp);
qapi_free_UserDefOneList(head);
}
static void test_validate_fail_union(TestInputVisitorData *data,
const void *unused)
{
UserDefUnion *tmp = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'type': 'b', 'data' : { 'integer': 42 } }");
visit_type_UserDefUnion(v, &tmp, NULL, &errp);
g_assert(errp);
qapi_free_UserDefUnion(tmp);
}
static void test_validate_fail_union_flat(TestInputVisitorData *data,
const void *unused)
{
UserDefFlatUnion *tmp = NULL;
Error *errp = NULL;
Visitor *v;
v = validate_test_init(data, "{ 'string': 'c', 'integer': 41, 'boolean': true }");
visit_type_UserDefFlatUnion(v, &tmp, NULL, &errp);
g_assert(error_is_set(&errp));
qapi_free_UserDefFlatUnion(tmp);
}
static void test_validate_fail_union_anon(TestInputVisitorData *data,
const void *unused)
{
UserDefAnonUnion *tmp = NULL;
Visitor *v;
Error *errp = NULL;
v = validate_test_init(data, "3.14");
visit_type_UserDefAnonUnion(v, &tmp, NULL, &errp);
g_assert(error_is_set(&errp));
qapi_free_UserDefAnonUnion(tmp);
}
static void validate_test_add(const char *testpath,
TestInputVisitorData *data,
void (*test_func)(TestInputVisitorData *data, const void *user_data))
{
g_test_add(testpath, TestInputVisitorData, data, NULL, test_func,
validate_teardown);
}
int main(int argc, char **argv)
{
TestInputVisitorData testdata;
g_test_init(&argc, &argv, NULL);
validate_test_add("/visitor/input-strict/pass/struct",
&testdata, test_validate_struct);
validate_test_add("/visitor/input-strict/pass/struct-nested",
&testdata, test_validate_struct_nested);
validate_test_add("/visitor/input-strict/pass/list",
&testdata, test_validate_list);
validate_test_add("/visitor/input-strict/pass/union",
&testdata, test_validate_union);
validate_test_add("/visitor/input-strict/pass/union-flat",
&testdata, test_validate_union_flat);
validate_test_add("/visitor/input-strict/pass/union-anon",
&testdata, test_validate_union_anon);
validate_test_add("/visitor/input-strict/fail/struct",
&testdata, test_validate_fail_struct);
validate_test_add("/visitor/input-strict/fail/struct-nested",
&testdata, test_validate_fail_struct_nested);
validate_test_add("/visitor/input-strict/fail/list",
&testdata, test_validate_fail_list);
validate_test_add("/visitor/input-strict/fail/union",
&testdata, test_validate_fail_union);
validate_test_add("/visitor/input-strict/fail/union-flat",
&testdata, test_validate_fail_union_flat);
validate_test_add("/visitor/input-strict/fail/union-anon",
&testdata, test_validate_fail_union_anon);
g_test_run();
return 0;
}
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