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mirror of https://git.kernel.org/pub/scm/network/wireless/iwd.git synced 2024-11-26 02:19:26 +01:00
iwd/unit/test-json.c
James Prestwood 385dd2d469 unit: add larger object test
This tests the previous JSON bug fix removing % sizeof(jsmntok_t)
Objects with more than 10 (sizeof(jsmntok_t)) would not parse
correctly.
2021-12-10 18:07:27 -06:00

265 lines
7.2 KiB
C

/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2021 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <assert.h>
#include <ell/ell.h>
#include "src/json.h"
#include "ell/useful.h"
struct json_contents;
/*
* Object:
* { "test": "<smile emoji>" }
*/
static void test_json_unicode(const void *data)
{
struct json_iter iter;
_auto_(l_free)char *v;
uint8_t expected[] = { 0xF0, 0x9F, 0x98, 0x80, 0 };
uint8_t s[] = { '{', '"', 't', 'e', 's', 't', '"', ':',
'"', 0xf0, 0x9f, 0x98, 0x80, '"', '}', 0 };
struct json_contents *c = json_contents_new((const char *)s, sizeof(s));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter, JSON_MANDATORY("test", JSON_STRING, &v),
JSON_UNDEFINED));
assert(!strcmp(v, (char *)expected));
json_contents_free(c);
}
static void test_json_escaped_unicode(const void *data)
{
struct json_iter iter;
_auto_(l_free)char *v;
char *s = "{\"test\":\"\\uD8F0\"}";
char expected[] = "\\uD8F0";
struct json_contents *c = json_contents_new(s, strlen(s));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter, JSON_MANDATORY("test", JSON_STRING, &v),
JSON_UNDEFINED));
assert(!strcmp(v, expected));
json_contents_free(c);
}
/*
* Tests that unsupported types will not parse
*/
static void test_json_unsupported_types(const void *data)
{
/*
* Valid JSON objects but currently unsupported types
*/
char arrays[] = "{\"test\":[1, 2, 3, 4]}";
char integers[] = "{\"test\": 10 }";
char bools[] = "{\"test\": true}";
struct json_iter iter;
struct json_contents *c = json_contents_new(arrays, strlen(arrays));
json_iter_init(&iter, c);
assert(!json_iter_parse(&iter,
JSON_MANDATORY("test", JSON_ARRAY, NULL),
JSON_UNDEFINED));
json_contents_free(c);
c = json_contents_new(integers, strlen(integers));
json_iter_init(&iter, c);
assert(!json_iter_parse(&iter,
JSON_MANDATORY("test", JSON_PRIMITIVE, NULL),
JSON_UNDEFINED));
json_contents_free(c);
c = json_contents_new(bools, strlen(bools));
json_iter_init(&iter, c);
assert(!json_iter_parse(&iter,
JSON_MANDATORY("test", JSON_PRIMITIVE, NULL),
JSON_UNDEFINED));
json_contents_free(c);
}
/*
* Basic test string values and nested objects
*/
static void test_json(const void *data)
{
char json[] = "{\"wi-fi_tech\":\"infra\","
"\"discovery\":"
"{\"ssid\":\"somessid\"},"
"\"cred\":"
"{\"akm\":\"psk\","
"\"pass\":\"somepassphrase\"}}";
_auto_(l_free)char *tech;
_auto_(l_free)char *ssid;
_auto_(l_free)char *akm;
_auto_(l_free)char *pass;
_auto_(l_free)char *opt_not_found;
struct json_iter objnotfound;
struct json_iter discovery;
struct json_iter cred;
struct json_iter iter;
struct json_contents *c = json_contents_new(json, strlen(json));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter,
JSON_MANDATORY("wi-fi_tech", JSON_STRING, &tech),
JSON_MANDATORY("discovery", JSON_OBJECT, &discovery),
JSON_MANDATORY("cred", JSON_OBJECT, &cred),
JSON_OPTIONAL("notfound", JSON_STRING, &opt_not_found),
JSON_OPTIONAL("objnotfound", JSON_OBJECT, &objnotfound),
JSON_UNDEFINED));
assert(opt_not_found == NULL);
assert(!json_iter_is_valid(&objnotfound));
assert(!strcmp(tech, "infra"));
assert(json_iter_parse(&discovery,
JSON_MANDATORY("ssid", JSON_STRING, &ssid),
JSON_UNDEFINED));
assert(!strcmp(ssid, "somessid"));
assert(json_iter_parse(&cred,
JSON_MANDATORY("akm", JSON_STRING, &akm),
JSON_MANDATORY("pass", JSON_STRING, &pass),
JSON_UNDEFINED));
assert(!strcmp(akm, "psk"));
assert(!strcmp(pass, "somepassphrase"));
json_contents_free(c);
}
/*
* Tests empty objects parse successfully
*/
static void test_json_empty_objects(const void *data)
{
char empty[] = "{}";
char nested_empty[] = "{\"empty\":{}}";
struct json_iter nested_iter;
struct json_iter iter;
struct json_contents *c = json_contents_new(empty, strlen(empty));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter, JSON_UNDEFINED));
assert(json_iter_parse(&iter,
JSON_OPTIONAL("optional", JSON_OBJECT, NULL),
JSON_UNDEFINED));
assert(!json_iter_parse(&iter,
JSON_MANDATORY("optional", JSON_OBJECT, NULL),
JSON_UNDEFINED));
json_contents_free(c);
c = json_contents_new(nested_empty, strlen(nested_empty));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter,
JSON_MANDATORY("empty", JSON_OBJECT, &nested_iter),
JSON_UNDEFINED));
assert(json_iter_parse(&nested_iter, JSON_UNDEFINED));
assert(!json_iter_parse(&nested_iter,
JSON_MANDATORY("mandatory", JSON_OBJECT, NULL),
JSON_UNDEFINED));
json_contents_free(c);
}
/*
* Tests that expected key/values can be provided in an order different than
* they appear in the JSON string.
*/
static void test_json_out_of_order(const void *data)
{
char object[] = "{\"key1\":{},\"key2\":\"val2\",\"key3\":\"val3\"}";
struct json_iter iter;
struct json_contents *c = json_contents_new(object, strlen(object));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter,
JSON_OPTIONAL("nonexist1", JSON_STRING, NULL),
JSON_MANDATORY("key3", JSON_STRING, NULL),
JSON_MANDATORY("key2", JSON_STRING, NULL),
JSON_OPTIONAL("nonexist2", JSON_OBJECT, NULL),
JSON_MANDATORY("key1", JSON_OBJECT, NULL),
JSON_UNDEFINED));
json_contents_free(c);
}
/*
* Tests that the token bounds checking works.
*/
static void test_json_larger_object(const void *data)
{
char json[] = "{\"test1\":\"tester1\","
"\"test2\":\"tester2\","
"\"test3\":\"tester3\","
"\"test4\":\"tester4\","
"\"test5\":\"tester5\","
"\"test6\":\"tester6\","
"\"test7\":\"tester7\","
"\"test8\":\"tester8\","
"\"test9\":\"tester9\","
"\"test10\":\"tester10\","
"\"test11\":\"tester11\","
"\"test12\":\"tester12\","
"\"test13\":\"tester13\"}";
struct json_iter iter;
struct json_contents *c = json_contents_new(json, strlen(json));
json_iter_init(&iter, c);
assert(json_iter_parse(&iter,
JSON_MANDATORY("test13", JSON_STRING, NULL),
JSON_UNDEFINED));
json_contents_free(c);
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("json unicode", test_json_unicode, NULL);
l_test_add("json escaped unicode", test_json_escaped_unicode, NULL);
l_test_add("json nested objects", test_json, NULL);
l_test_add("json unsupported types", test_json_unsupported_types, NULL);
l_test_add("json empty objects", test_json_empty_objects, NULL);
l_test_add("json parse out of order", test_json_out_of_order, NULL);
l_test_add("json larger object", test_json_larger_object, NULL);
return l_test_run();
}