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e2k-v9.0.0
qemu-e2k/tests/unit/test-qobject-output-visitor.c
Daniel P. Berrangé a17dbc4b79 qapi: allow unions to contain further unions 
This extends the QAPI schema validation to permit unions inside unions,
provided the checks for clashing fields pass.

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230420102619.348173-4-berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2023-04-26 07:52:45 +02:00

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/*
* QObject Output Visitor unit-tests.
*
* Copyright (C) 2011-2016 Red Hat Inc.
*
* Authors:
* Luiz Capitulino <lcapitulino@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 "qapi/error.h"
#include "qapi/qobject-output-visitor.h"
#include "test-qapi-visit.h"
#include "qapi/qmp/qbool.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qlist.h"
#include "qapi/qmp/qnull.h"
#include "qapi/qmp/qnum.h"
#include "qapi/qmp/qstring.h"
typedef struct TestOutputVisitorData {
Visitor *ov;
QObject *obj;
} TestOutputVisitorData;
static void visitor_output_setup(TestOutputVisitorData *data,
const void *unused)
{
data->ov = qobject_output_visitor_new(&data->obj);
g_assert(data->ov);
}
static void visitor_output_teardown(TestOutputVisitorData *data,
const void *unused)
{
visit_free(data->ov);
data->ov = NULL;
qobject_unref(data->obj);
data->obj = NULL;
}
static QObject *visitor_get(TestOutputVisitorData *data)
{
visit_complete(data->ov, &data->obj);
g_assert(data->obj);
return data->obj;
}
static void visitor_reset(TestOutputVisitorData *data)
{
visitor_output_teardown(data, NULL);
visitor_output_setup(data, NULL);
}
static void test_visitor_out_int(TestOutputVisitorData *data,
const void *unused)
{
int64_t value = -42;
int64_t val;
QNum *qnum;
visit_type_int(data->ov, NULL, &value, &error_abort);
qnum = qobject_to(QNum, visitor_get(data));
g_assert(qnum);
g_assert(qnum_get_try_int(qnum, &val));
g_assert_cmpint(val, ==, value);
}
static void test_visitor_out_bool(TestOutputVisitorData *data,
const void *unused)
{
bool value = true;
QBool *qbool;
visit_type_bool(data->ov, NULL, &value, &error_abort);
qbool = qobject_to(QBool, visitor_get(data));
g_assert(qbool);
g_assert(qbool_get_bool(qbool) == value);
}
static void test_visitor_out_number(TestOutputVisitorData *data,
const void *unused)
{
double value = 3.14;
QNum *qnum;
visit_type_number(data->ov, NULL, &value, &error_abort);
qnum = qobject_to(QNum, visitor_get(data));
g_assert(qnum);
g_assert(qnum_get_double(qnum) == value);
}
static void test_visitor_out_string(TestOutputVisitorData *data,
const void *unused)
{
char *string = (char *) "Q E M U";
QString *qstr;
visit_type_str(data->ov, NULL, &string, &error_abort);
qstr = qobject_to(QString, visitor_get(data));
g_assert(qstr);
g_assert_cmpstr(qstring_get_str(qstr), ==, string);
}
static void test_visitor_out_no_string(TestOutputVisitorData *data,
const void *unused)
{
char *string = NULL;
QString *qstr;
/* A null string should return "" */
visit_type_str(data->ov, NULL, &string, &error_abort);
qstr = qobject_to(QString, visitor_get(data));
g_assert(qstr);
g_assert_cmpstr(qstring_get_str(qstr), ==, "");
}
static void test_visitor_out_enum(TestOutputVisitorData *data,
const void *unused)
{
EnumOne i;
QString *qstr;
for (i = 0; i < ENUM_ONE__MAX; i++) {
visit_type_EnumOne(data->ov, "unused", &i, &error_abort);
qstr = qobject_to(QString, visitor_get(data));
g_assert(qstr);
g_assert_cmpstr(qstring_get_str(qstr), ==, EnumOne_str(i));
visitor_reset(data);
}
}
static void test_visitor_out_struct(TestOutputVisitorData *data,
const void *unused)
{
TestStruct test_struct = { .integer = 42,
.boolean = false,
.string = (char *) "foo"};
TestStruct *p = &test_struct;
QDict *qdict;
visit_type_TestStruct(data->ov, NULL, &p, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpint(qdict_size(qdict), ==, 3);
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 42);
g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, false);
g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "foo");
}
static void test_visitor_out_struct_nested(TestOutputVisitorData *data,
const void *unused)
{
int64_t value = 42;
UserDefTwo *ud2;
QDict *qdict, *dict1, *dict2, *dict3, *userdef;
const char *string = "user def string";
const char *strings[] = { "forty two", "forty three", "forty four",
"forty five" };
ud2 = g_malloc0(sizeof(*ud2));
ud2->string0 = g_strdup(strings[0]);
ud2->dict1 = g_malloc0(sizeof(*ud2->dict1));
ud2->dict1->string1 = g_strdup(strings[1]);
ud2->dict1->dict2 = g_malloc0(sizeof(*ud2->dict1->dict2));
ud2->dict1->dict2->userdef = g_new0(UserDefOne, 1);
ud2->dict1->dict2->userdef->string = g_strdup(string);
ud2->dict1->dict2->userdef->integer = value;
ud2->dict1->dict2->string = g_strdup(strings[2]);
ud2->dict1->dict3 = g_malloc0(sizeof(*ud2->dict1->dict3));
ud2->dict1->dict3->userdef = g_new0(UserDefOne, 1);
ud2->dict1->dict3->userdef->string = g_strdup(string);
ud2->dict1->dict3->userdef->integer = value;
ud2->dict1->dict3->string = g_strdup(strings[3]);
visit_type_UserDefTwo(data->ov, "unused", &ud2, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpint(qdict_size(qdict), ==, 2);
g_assert_cmpstr(qdict_get_str(qdict, "string0"), ==, strings[0]);
dict1 = qdict_get_qdict(qdict, "dict1");
g_assert_cmpint(qdict_size(dict1), ==, 3);
g_assert_cmpstr(qdict_get_str(dict1, "string1"), ==, strings[1]);
dict2 = qdict_get_qdict(dict1, "dict2");
g_assert_cmpint(qdict_size(dict2), ==, 2);
g_assert_cmpstr(qdict_get_str(dict2, "string"), ==, strings[2]);
userdef = qdict_get_qdict(dict2, "userdef");
g_assert_cmpint(qdict_size(userdef), ==, 2);
g_assert_cmpint(qdict_get_int(userdef, "integer"), ==, value);
g_assert_cmpstr(qdict_get_str(userdef, "string"), ==, string);
dict3 = qdict_get_qdict(dict1, "dict3");
g_assert_cmpint(qdict_size(dict3), ==, 2);
g_assert_cmpstr(qdict_get_str(dict3, "string"), ==, strings[3]);
userdef = qdict_get_qdict(dict3, "userdef");
g_assert_cmpint(qdict_size(userdef), ==, 2);
g_assert_cmpint(qdict_get_int(userdef, "integer"), ==, value);
g_assert_cmpstr(qdict_get_str(userdef, "string"), ==, string);
qapi_free_UserDefTwo(ud2);
}
static void test_visitor_out_list(TestOutputVisitorData *data,
const void *unused)
{
const char *value_str = "list value";
TestStruct *value;
TestStructList *head = NULL;
const int max_items = 10;
bool value_bool = true;
int value_int = 10;
QListEntry *entry;
QList *qlist;
int i;
/* Build the list in reverse order... */
for (i = 0; i < max_items; i++) {
value = g_malloc0(sizeof(*value));
value->integer = value_int + (max_items - i - 1);
value->boolean = value_bool;
value->string = g_strdup(value_str);
QAPI_LIST_PREPEND(head, value);
}
visit_type_TestStructList(data->ov, NULL, &head, &error_abort);
qlist = qobject_to(QList, visitor_get(data));
g_assert(qlist);
g_assert(!qlist_empty(qlist));
/* ...and ensure that the visitor sees it in order */
i = 0;
QLIST_FOREACH_ENTRY(qlist, entry) {
QDict *qdict;
qdict = qobject_to(QDict, entry->value);
g_assert(qdict);
g_assert_cmpint(qdict_size(qdict), ==, 3);
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, value_int + i);
g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, value_bool);
g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, value_str);
i++;
}
g_assert_cmpint(i, ==, max_items);
qapi_free_TestStructList(head);
}
static void test_visitor_out_list_qapi_free(TestOutputVisitorData *data,
const void *unused)
{
UserDefTwo *value;
UserDefTwoList *head = NULL;
const char string[] = "foo bar";
int i, max_count = 1024;
for (i = 0; i < max_count; i++) {
value = g_malloc0(sizeof(*value));
value->string0 = g_strdup(string);
value->dict1 = g_new0(UserDefTwoDict, 1);
value->dict1->string1 = g_strdup(string);
value->dict1->dict2 = g_new0(UserDefTwoDictDict, 1);
value->dict1->dict2->userdef = g_new0(UserDefOne, 1);
value->dict1->dict2->userdef->string = g_strdup(string);
value->dict1->dict2->userdef->integer = 42;
value->dict1->dict2->string = g_strdup(string);
QAPI_LIST_PREPEND(head, value);
}
qapi_free_UserDefTwoList(head);
}
static void test_visitor_out_any(TestOutputVisitorData *data,
const void *unused)
{
QObject *qobj;
QNum *qnum;
QBool *qbool;
QString *qstring;
QDict *qdict;
int64_t val;
qobj = QOBJECT(qnum_from_int(-42));
visit_type_any(data->ov, NULL, &qobj, &error_abort);
qnum = qobject_to(QNum, visitor_get(data));
g_assert(qnum);
g_assert(qnum_get_try_int(qnum, &val));
g_assert_cmpint(val, ==, -42);
qobject_unref(qobj);
visitor_reset(data);
qdict = qdict_new();
qdict_put_int(qdict, "integer", -42);
qdict_put_bool(qdict, "boolean", true);
qdict_put_str(qdict, "string", "foo");
qobj = QOBJECT(qdict);
visit_type_any(data->ov, NULL, &qobj, &error_abort);
qobject_unref(qobj);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
qnum = qobject_to(QNum, qdict_get(qdict, "integer"));
g_assert(qnum);
g_assert(qnum_get_try_int(qnum, &val));
g_assert_cmpint(val, ==, -42);
qbool = qobject_to(QBool, qdict_get(qdict, "boolean"));
g_assert(qbool);
g_assert(qbool_get_bool(qbool) == true);
qstring = qobject_to(QString, qdict_get(qdict, "string"));
g_assert(qstring);
g_assert_cmpstr(qstring_get_str(qstring), ==, "foo");
}
static void test_visitor_out_union_flat(TestOutputVisitorData *data,
const void *unused)
{
QDict *qdict;
UserDefFlatUnion *tmp = g_new0(UserDefFlatUnion, 1);
tmp->enum1 = ENUM_ONE_VALUE1;
tmp->string = g_strdup("str");
tmp->integer = 41;
tmp->u.value1.boolean = true;
visit_type_UserDefFlatUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "enum1"), ==, "value1");
g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "str");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 41);
g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, true);
qapi_free_UserDefFlatUnion(tmp);
}
static void test_visitor_out_union_in_union(TestOutputVisitorData *data,
const void *unused)
{
QDict *qdict;
TestUnionInUnion *tmp = g_new0(TestUnionInUnion, 1);
tmp->type = TEST_UNION_ENUM_VALUE_A;
tmp->u.value_a.type_a = TEST_UNION_ENUMA_VALUE_A1;
tmp->u.value_a.u.value_a1.integer = 42;
tmp->u.value_a.u.value_a1.name = g_strdup("fish");
visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "type"), ==, "value-a");
g_assert_cmpstr(qdict_get_str(qdict, "type-a"), ==, "value-a1");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 42);
g_assert_cmpstr(qdict_get_str(qdict, "name"), ==, "fish");
qapi_free_TestUnionInUnion(tmp);
visitor_reset(data);
tmp = g_new0(TestUnionInUnion, 1);
tmp->type = TEST_UNION_ENUM_VALUE_A;
tmp->u.value_a.type_a = TEST_UNION_ENUMA_VALUE_A2;
tmp->u.value_a.u.value_a2.integer = 1729;
tmp->u.value_a.u.value_a2.size = 87539319;
visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "type"), ==, "value-a");
g_assert_cmpstr(qdict_get_str(qdict, "type-a"), ==, "value-a2");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1729);
g_assert_cmpint(qdict_get_int(qdict, "size"), ==, 87539319);
qapi_free_TestUnionInUnion(tmp);
visitor_reset(data);
tmp = g_new0(TestUnionInUnion, 1);
tmp->type = TEST_UNION_ENUM_VALUE_B;
tmp->u.value_b.integer = 1729;
tmp->u.value_b.onoff = true;
visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpstr(qdict_get_str(qdict, "type"), ==, "value-b");
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1729);
g_assert_cmpint(qdict_get_bool(qdict, "onoff"), ==, true);
qapi_free_TestUnionInUnion(tmp);
}
static void test_visitor_out_alternate(TestOutputVisitorData *data,
const void *unused)
{
UserDefAlternate *tmp;
QNum *qnum;
QString *qstr;
QDict *qdict;
int64_t val;
tmp = g_new0(UserDefAlternate, 1);
tmp->type = QTYPE_QNUM;
tmp->u.i = 42;
visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
qnum = qobject_to(QNum, visitor_get(data));
g_assert(qnum);
g_assert(qnum_get_try_int(qnum, &val));
g_assert_cmpint(val, ==, 42);
qapi_free_UserDefAlternate(tmp);
visitor_reset(data);
tmp = g_new0(UserDefAlternate, 1);
tmp->type = QTYPE_QSTRING;
tmp->u.e = ENUM_ONE_VALUE1;
visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
qstr = qobject_to(QString, visitor_get(data));
g_assert(qstr);
g_assert_cmpstr(qstring_get_str(qstr), ==, "value1");
qapi_free_UserDefAlternate(tmp);
visitor_reset(data);
tmp = g_new0(UserDefAlternate, 1);
tmp->type = QTYPE_QNULL;
tmp->u.n = qnull();
visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
g_assert_cmpint(qobject_type(visitor_get(data)), ==, QTYPE_QNULL);
qapi_free_UserDefAlternate(tmp);
visitor_reset(data);
tmp = g_new0(UserDefAlternate, 1);
tmp->type = QTYPE_QDICT;
tmp->u.udfu.integer = 1;
tmp->u.udfu.string = g_strdup("str");
tmp->u.udfu.enum1 = ENUM_ONE_VALUE1;
tmp->u.udfu.u.value1.boolean = true;
visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpint(qdict_size(qdict), ==, 4);
g_assert_cmpint(qdict_get_int(qdict, "integer"), ==, 1);
g_assert_cmpstr(qdict_get_str(qdict, "string"), ==, "str");
g_assert_cmpstr(qdict_get_str(qdict, "enum1"), ==, "value1");
g_assert_cmpint(qdict_get_bool(qdict, "boolean"), ==, true);
qapi_free_UserDefAlternate(tmp);
}
static void test_visitor_out_null(TestOutputVisitorData *data,
const void *unused)
{
QNull *null = NULL;
QDict *qdict;
QObject *nil;
visit_start_struct(data->ov, NULL, NULL, 0, &error_abort);
visit_type_null(data->ov, "a", &null, &error_abort);
visit_check_struct(data->ov, &error_abort);
visit_end_struct(data->ov, NULL);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
g_assert_cmpint(qdict_size(qdict), ==, 1);
nil = qdict_get(qdict, "a");
g_assert(nil);
g_assert(qobject_type(nil) == QTYPE_QNULL);
}
static void test_visitor_out_list_struct(TestOutputVisitorData *data,
const void *unused)
{
const char *int_member[] = {
"integer", "s8", "s16", "s32", "s64", "u8", "u16", "u32", "u64" };
g_autoptr(ArrayStruct) arrs = g_new0(ArrayStruct, 1);
int i, j;
QDict *qdict;
QList *qlist;
QListEntry *e;
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->integer, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->s8, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->s16, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->s32, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->s64, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->u8, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->u16, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->u32, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->u64, i);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->number, (double)i / 3);
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->boolean, QEMU_IS_ALIGNED(i, 3));
}
for (i = 31; i >= 0; i--) {
QAPI_LIST_PREPEND(arrs->string, g_strdup_printf("%d", i));
}
visit_type_ArrayStruct(data->ov, NULL, &arrs, &error_abort);
qdict = qobject_to(QDict, visitor_get(data));
g_assert(qdict);
for (i = 0; i < G_N_ELEMENTS(int_member); i++) {
qlist = qdict_get_qlist(qdict, int_member[i]);
g_assert(qlist);
j = 0;
QLIST_FOREACH_ENTRY(qlist, e) {
QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
g_assert(qvalue);
g_assert_cmpint(qnum_get_int(qvalue), ==, j);
j++;
}
}
qlist = qdict_get_qlist(qdict, "number");
g_assert(qlist);
i = 0;
QLIST_FOREACH_ENTRY(qlist, e) {
QNum *qvalue = qobject_to(QNum, qlist_entry_obj(e));
char expected[32], actual[32];
g_assert(qvalue);
sprintf(expected, "%.6f", (double)i / 3);
sprintf(actual, "%.6f", qnum_get_double(qvalue));
g_assert_cmpstr(actual, ==, expected);
i++;
}
qlist = qdict_get_qlist(qdict, "boolean");
g_assert(qlist);
i = 0;
QLIST_FOREACH_ENTRY(qlist, e) {
QBool *qvalue = qobject_to(QBool, qlist_entry_obj(e));
g_assert(qvalue);
g_assert_cmpint(qbool_get_bool(qvalue), ==, i % 3 == 0);
i++;
}
qlist = qdict_get_qlist(qdict, "string");
g_assert(qlist);
i = 0;
QLIST_FOREACH_ENTRY(qlist, e) {
QString *qvalue = qobject_to(QString, qlist_entry_obj(e));
char expected[32];
g_assert(qvalue);
sprintf(expected, "%d", i);
g_assert_cmpstr(qstring_get_str(qvalue), ==, expected);
i++;
}
}
static void output_visitor_test_add(const char *testpath,
TestOutputVisitorData *data,
void (*test_func)(TestOutputVisitorData *data, const void *user_data))
{
g_test_add(testpath, TestOutputVisitorData, data, visitor_output_setup,
test_func, visitor_output_teardown);
}
int main(int argc, char **argv)
{
TestOutputVisitorData out_visitor_data;
g_test_init(&argc, &argv, NULL);
output_visitor_test_add("/visitor/output/int",
&out_visitor_data, test_visitor_out_int);
output_visitor_test_add("/visitor/output/bool",
&out_visitor_data, test_visitor_out_bool);
output_visitor_test_add("/visitor/output/number",
&out_visitor_data, test_visitor_out_number);
output_visitor_test_add("/visitor/output/string",
&out_visitor_data, test_visitor_out_string);
output_visitor_test_add("/visitor/output/no-string",
&out_visitor_data, test_visitor_out_no_string);
output_visitor_test_add("/visitor/output/enum",
&out_visitor_data, test_visitor_out_enum);
output_visitor_test_add("/visitor/output/struct",
&out_visitor_data, test_visitor_out_struct);
output_visitor_test_add("/visitor/output/struct-nested",
&out_visitor_data, test_visitor_out_struct_nested);
output_visitor_test_add("/visitor/output/list",
&out_visitor_data, test_visitor_out_list);
output_visitor_test_add("/visitor/output/any",
&out_visitor_data, test_visitor_out_any);
output_visitor_test_add("/visitor/output/list-qapi-free",
&out_visitor_data, test_visitor_out_list_qapi_free);
output_visitor_test_add("/visitor/output/union-flat",
&out_visitor_data, test_visitor_out_union_flat);
output_visitor_test_add("/visitor/output/union-in-union",
&out_visitor_data, test_visitor_out_union_in_union);
output_visitor_test_add("/visitor/output/alternate",
&out_visitor_data, test_visitor_out_alternate);
output_visitor_test_add("/visitor/output/null",
&out_visitor_data, test_visitor_out_null);
output_visitor_test_add("/visitor/output/list_struct",
&out_visitor_data, test_visitor_out_list_struct);
g_test_run();
return 0;
}
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