414 lines
11 KiB
C
414 lines
11 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2021 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <assert.h>
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#include <ell/ell.h>
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#include "src/json.h"
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#include "ell/useful.h"
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struct json_contents;
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/*
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* Object:
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* { "test": "<smile emoji>" }
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*/
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static void test_json_unicode(const void *data)
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{
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struct json_iter iter;
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_auto_(l_free)char *v;
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uint8_t expected[] = { 0xF0, 0x9F, 0x98, 0x80, 0 };
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uint8_t s[] = { '{', '"', 't', 'e', 's', 't', '"', ':',
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'"', 0xf0, 0x9f, 0x98, 0x80, '"', '}', 0 };
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struct json_contents *c = json_contents_new((const char *)s, sizeof(s));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter, JSON_MANDATORY("test", JSON_STRING, &v),
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JSON_UNDEFINED));
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assert(!strcmp(v, (char *)expected));
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json_contents_free(c);
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}
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static void test_json_escaped_unicode(const void *data)
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{
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struct json_iter iter;
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_auto_(l_free)char *v;
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char *s = "{\"test\":\"\\uD8F0\"}";
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char expected[] = "\\uD8F0";
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struct json_contents *c = json_contents_new(s, strlen(s));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter, JSON_MANDATORY("test", JSON_STRING, &v),
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JSON_UNDEFINED));
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assert(!strcmp(v, expected));
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json_contents_free(c);
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}
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/*
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* Basic test string values and nested objects
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*/
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static void test_json(const void *data)
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{
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char json[] = "{\"wi-fi_tech\":\"infra\","
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"\"discovery\":"
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"{\"ssid\":\"somessid\"},"
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"\"cred\":"
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"{\"akm\":\"psk\","
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"\"pass\":\"somepassphrase\"}}";
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_auto_(l_free)char *tech;
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_auto_(l_free)char *ssid;
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_auto_(l_free)char *akm;
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_auto_(l_free)char *pass;
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_auto_(l_free)char *opt_not_found;
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struct json_iter objnotfound;
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struct json_iter discovery;
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struct json_iter cred;
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struct json_iter iter;
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struct json_contents *c = json_contents_new(json, strlen(json));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter,
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JSON_MANDATORY("wi-fi_tech", JSON_STRING, &tech),
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JSON_MANDATORY("discovery", JSON_OBJECT, &discovery),
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JSON_MANDATORY("cred", JSON_OBJECT, &cred),
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JSON_OPTIONAL("notfound", JSON_STRING, &opt_not_found),
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JSON_OPTIONAL("objnotfound", JSON_OBJECT, &objnotfound),
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JSON_UNDEFINED));
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assert(opt_not_found == NULL);
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assert(!json_iter_is_valid(&objnotfound));
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assert(!strcmp(tech, "infra"));
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assert(json_iter_parse(&discovery,
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JSON_MANDATORY("ssid", JSON_STRING, &ssid),
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JSON_UNDEFINED));
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assert(!strcmp(ssid, "somessid"));
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assert(json_iter_parse(&cred,
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JSON_MANDATORY("akm", JSON_STRING, &akm),
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JSON_MANDATORY("pass", JSON_STRING, &pass),
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JSON_UNDEFINED));
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assert(!strcmp(akm, "psk"));
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assert(!strcmp(pass, "somepassphrase"));
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json_contents_free(c);
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}
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/*
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* Tests empty objects parse successfully
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*/
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static void test_json_empty_objects(const void *data)
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{
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char empty[] = "{}";
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char nested_empty[] = "{\"empty\":{}}";
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struct json_iter nested_iter;
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struct json_iter iter;
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struct json_contents *c = json_contents_new(empty, strlen(empty));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter, JSON_UNDEFINED));
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assert(json_iter_parse(&iter,
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JSON_OPTIONAL("optional", JSON_OBJECT, NULL),
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JSON_UNDEFINED));
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assert(!json_iter_parse(&iter,
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JSON_MANDATORY("optional", JSON_OBJECT, NULL),
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JSON_UNDEFINED));
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json_contents_free(c);
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c = json_contents_new(nested_empty, strlen(nested_empty));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter,
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JSON_MANDATORY("empty", JSON_OBJECT, &nested_iter),
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JSON_UNDEFINED));
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assert(json_iter_parse(&nested_iter, JSON_UNDEFINED));
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assert(!json_iter_parse(&nested_iter,
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JSON_MANDATORY("mandatory", JSON_OBJECT, NULL),
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JSON_UNDEFINED));
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json_contents_free(c);
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}
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/*
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* Tests that expected key/values can be provided in an order different than
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* they appear in the JSON string.
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*/
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static void test_json_out_of_order(const void *data)
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{
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char object[] = "{\"key1\":{},\"key2\":\"val2\",\"key3\":\"val3\"}";
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struct json_iter iter;
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struct json_contents *c = json_contents_new(object, strlen(object));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter,
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JSON_OPTIONAL("nonexist1", JSON_STRING, NULL),
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JSON_MANDATORY("key3", JSON_STRING, NULL),
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JSON_MANDATORY("key2", JSON_STRING, NULL),
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JSON_OPTIONAL("nonexist2", JSON_OBJECT, NULL),
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JSON_MANDATORY("key1", JSON_OBJECT, NULL),
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JSON_UNDEFINED));
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json_contents_free(c);
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}
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/*
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* Tests that the token bounds checking works.
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*/
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static void test_json_larger_object(const void *data)
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{
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char json[] = "{\"test1\":\"tester1\","
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"\"test2\":\"tester2\","
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"\"test3\":\"tester3\","
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"\"test4\":\"tester4\","
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"\"test5\":\"tester5\","
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"\"test6\":\"tester6\","
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"\"test7\":\"tester7\","
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"\"test8\":\"tester8\","
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"\"test9\":\"tester9\","
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"\"test10\":\"tester10\","
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"\"test11\":\"tester11\","
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"\"test12\":\"tester12\","
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"\"test13\":\"tester13\"}";
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struct json_iter iter;
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struct json_contents *c = json_contents_new(json, strlen(json));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter,
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JSON_MANDATORY("test13", JSON_STRING, NULL),
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JSON_UNDEFINED));
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json_contents_free(c);
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}
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static void check_primitives(struct json_iter *i, struct json_iter *ui,
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struct json_iter *t, struct json_iter *f,
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struct json_iter *null, struct json_iter *obj)
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{
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int i_val;
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unsigned int ui_val;
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bool b_val;
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assert(json_iter_is_valid(i));
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assert(!json_iter_get_uint(i, NULL));
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assert(!json_iter_get_boolean(i, NULL));
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assert(!json_iter_get_null(i));
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assert(json_iter_get_int(i, &i_val));
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assert(i_val == -10);
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assert(json_iter_is_valid(ui));
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assert(!json_iter_get_boolean(ui, NULL));
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assert(!json_iter_get_null(ui));
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assert(json_iter_get_int(ui, &i_val));
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assert(json_iter_get_uint(ui, &ui_val));
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assert(i_val == 10 && ui_val == 10);
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assert(json_iter_is_valid(t));
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assert(!json_iter_get_null(t));
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assert(!json_iter_get_int(t, NULL));
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assert(!json_iter_get_uint(t, NULL));
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assert(json_iter_get_boolean(t, &b_val));
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assert(b_val == true);
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assert(json_iter_is_valid(f));
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assert(!json_iter_get_null(f));
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assert(!json_iter_get_int(f, NULL));
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assert(!json_iter_get_uint(f, NULL));
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assert(json_iter_get_boolean(f, &b_val));
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assert(b_val == false);
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assert(json_iter_is_valid(null));
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assert(!json_iter_get_int(null, NULL));
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assert(!json_iter_get_uint(null, NULL));
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assert(!json_iter_get_boolean(null, NULL));
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assert(json_iter_get_null(null));
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if (obj) {
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assert(json_iter_is_valid(obj));
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assert(json_iter_parse(obj,
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JSON_MANDATORY("null_val", JSON_PRIMITIVE, null),
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JSON_MANDATORY("false_val", JSON_PRIMITIVE, f),
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JSON_MANDATORY("true_val", JSON_PRIMITIVE, t),
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JSON_MANDATORY("int_val", JSON_PRIMITIVE, i),
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JSON_MANDATORY("uint_val", JSON_PRIMITIVE, ui),
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JSON_UNDEFINED));
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check_primitives(i, ui, t, f, null, NULL);
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}
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}
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static void test_json_primitives(const void *data)
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{
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char json[] = "{\"int_val\": -10,"
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"\"uint_val\": 10,"
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"\"true_val\": true,"
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"\"false_val\": false,"
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"\"null_val\": null,"
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"\"obj_val\":{"
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"\"int_val\": -10,"
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"\"uint_val\": 10,"
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"\"true_val\": true,"
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"\"false_val\": false,"
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"\"null_val\": null}}";
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struct json_contents *c = json_contents_new(json, strlen(json));
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struct json_iter outer, inner, null, f, t, i, ui;
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struct json_iter not_found;
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json_iter_init(&outer, c);
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assert(json_iter_parse(&outer,
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JSON_MANDATORY("obj_val", JSON_OBJECT, &inner),
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JSON_MANDATORY("null_val", JSON_PRIMITIVE, &null),
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JSON_MANDATORY("false_val", JSON_PRIMITIVE, &f),
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JSON_MANDATORY("true_val", JSON_PRIMITIVE, &t),
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JSON_MANDATORY("int_val", JSON_PRIMITIVE, &i),
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JSON_MANDATORY("uint_val", JSON_PRIMITIVE, &ui),
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JSON_OPTIONAL("not_found", JSON_PRIMITIVE, ¬_found),
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JSON_UNDEFINED));
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assert(!json_iter_is_valid(¬_found));
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check_primitives(&i, &ui, &t, &f, &null, &inner);
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json_contents_free(c);
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}
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static void test_json_arrays(const void *data)
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{
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unsigned int ui;
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int i;
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bool b;
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int count;
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char json[] = "{\"uint_array\":[1, 2, 3, 4, 5, 6],"
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"\"int_array\":[-1, -2, -3, -4, -5, -6],"
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"\"bool_array\":[true, false, true, false],"
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"\"null_array\":[null, null, null, null],"
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"\"mixed_array\":[1, -1, true, false, null]}";
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struct json_iter iter;
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struct json_iter i_array, ui_array, b_array, n_array, m_array;
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struct json_contents *c = json_contents_new(json, strlen(json));
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json_iter_init(&iter, c);
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assert(json_iter_parse(&iter,
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JSON_MANDATORY("mixed_array", JSON_ARRAY, &m_array),
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JSON_MANDATORY("null_array", JSON_ARRAY, &n_array),
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JSON_MANDATORY("bool_array", JSON_ARRAY, &b_array),
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JSON_MANDATORY("int_array", JSON_ARRAY, &i_array),
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JSON_MANDATORY("uint_array", JSON_ARRAY, &ui_array),
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JSON_UNDEFINED));
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count = 1;
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while (json_iter_next(&ui_array)) {
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assert(json_iter_get_type(&ui_array) == JSON_PRIMITIVE);
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assert(json_iter_get_uint(&ui_array, &ui));
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assert(ui == (unsigned int) count);
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count++;
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}
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count = -1;
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while (json_iter_next(&i_array)) {
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assert(json_iter_get_type(&i_array) == JSON_PRIMITIVE);
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assert(json_iter_get_int(&i_array, &i));
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assert(i == count);
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count--;
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}
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count = 0;
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while (json_iter_next(&b_array)) {
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assert(json_iter_get_type(&b_array) == JSON_PRIMITIVE);
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assert(json_iter_get_boolean(&b_array, &b));
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assert(b == count % 2 ? false : true);
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count++;
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}
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count = 0;
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while (json_iter_next(&n_array)) {
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assert(json_iter_get_type(&n_array) == JSON_PRIMITIVE);
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assert(json_iter_get_null(&n_array));
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count++;
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}
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assert(count == 4);
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count = 0;
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while (json_iter_next(&m_array)) {
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assert(json_iter_get_type(&m_array) == JSON_PRIMITIVE);
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switch (count) {
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case 0:
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assert(json_iter_get_uint(&m_array, &ui));
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assert(ui == 1);
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break;
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case 1:
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assert(json_iter_get_int(&m_array, &i));
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assert(i == -1);
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break;
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case 2:
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case 3:
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assert(json_iter_get_boolean(&m_array, &b));
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assert(b == count % 2 ? false : true);
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break;
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case 4:
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assert(json_iter_get_null(&m_array));
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break;
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}
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count++;
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}
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json_contents_free(c);
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}
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int main(int argc, char *argv[])
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{
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l_test_init(&argc, &argv);
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l_test_add("json unicode", test_json_unicode, NULL);
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l_test_add("json escaped unicode", test_json_escaped_unicode, NULL);
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l_test_add("json nested objects", test_json, NULL);
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l_test_add("json empty objects", test_json_empty_objects, NULL);
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l_test_add("json parse out of order", test_json_out_of_order, NULL);
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l_test_add("json larger object", test_json_larger_object, NULL);
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l_test_add("json test primitives", test_json_primitives, NULL);
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l_test_add("json test arrays", test_json_arrays, NULL);
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return l_test_run();
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}
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