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spa: move json parser to utils

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Add unit test
Add escape function
This commit is contained in:
Wim Taymans 2020-11-28 15:34:01 +01:00
parent 77791bd427
commit 62cdec8448
8 changed files with 211 additions and 5 deletions
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1
spa/tests/meson.build
View file

@ -3,6 +3,7 @@ test_apps = [
'test-node',
'test-pod',
'test-utils',
'test-json',
]
foreach a : test_apps

169
spa/tests/test-json.c Normal file
View file

@ -0,0 +1,169 @@
/* Simple Plugin API
*
* Copyright © 2020 Wim Taymans <wim.taymans@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <spa/utils/defs.h>
#include <spa/utils/json.h>
static void test_abi(void)
{
spa_assert(sizeof(struct spa_json) == 32);
}
#define TYPE_OBJECT 0
#define TYPE_ARRAY 1
#define TYPE_STRING 2
#define TYPE_BOOL 3
#define TYPE_NULL 4
#define TYPE_TRUE 5
#define TYPE_FALSE 6
#define TYPE_FLOAT 7
static void check_type(int type, const char *value, int len)
{
spa_assert(spa_json_is_object(value, len) == (type == TYPE_OBJECT));
spa_assert(spa_json_is_array(value, len) == (type == TYPE_ARRAY));
spa_assert(spa_json_is_string(value, len) == (type == TYPE_STRING));
spa_assert(spa_json_is_bool(value, len) ==
(type == TYPE_BOOL || type == TYPE_TRUE || type == TYPE_FALSE));
spa_assert(spa_json_is_null(value, len) == (type == TYPE_NULL));
spa_assert(spa_json_is_true(value, len) == (type == TYPE_TRUE || type == TYPE_BOOL));
spa_assert(spa_json_is_false(value, len) == (type == TYPE_FALSE || type == TYPE_BOOL));
spa_assert(spa_json_is_float(value, len) == (type == TYPE_FLOAT));
}
static void expect_type(struct spa_json *it, int type)
{
const char *value;
int len;
spa_assert((len = spa_json_next(it, &value)) > 0);
check_type(type, value, len);
}
static void expect_string(struct spa_json *it, const char *str)
{
const char *value;
int len;
char *s;
spa_assert((len = spa_json_next(it, &value)) > 0);
check_type(TYPE_STRING, value, len);
s = alloca(len);
spa_json_parse_string(value, len, s);
spa_assert(strcmp(s, str) == 0);
}
static void expect_float(struct spa_json *it, float val)
{
const char *value;
int len;
float f;
spa_assert((len = spa_json_next(it, &value)) > 0);
check_type(TYPE_FLOAT, value, len);
spa_assert(spa_json_parse_float(value, len, &f) > 0);
spa_assert(f == val);
}
static void test_parse(void)
{
struct spa_json it[5];
const char *json = " { "
"\"foo\": \"bar\","
"\"foo\\\" \": true, "
"\"foo \\n\\r\\t\": false,"
" \" arr\": [ true, false, null, 5, 5.7, \"str]\"],"
"\"foo 2\": null,"
"\"foo 3\": 1,"
" \"obj\": { \"ba } z\": false, \"empty\": [], \"foo\": { }, \"1.9\", 1.9 },"
"\"foo 4\" : 1.8, "
"\"foo 5\": -1.8 , "
"\"foo 6\": +2.8 ,"
" } ", *value;
spa_json_init(&it[0], json, strlen(json));
expect_type(&it[0], TYPE_OBJECT);
spa_json_enter(&it[0], &it[1]);
expect_string(&it[1], "foo");
expect_string(&it[1], "bar");
expect_string(&it[1], "foo\" ");
expect_type(&it[1], TYPE_TRUE);
expect_string(&it[1], "foo \n\r\t");
expect_type(&it[1], TYPE_FALSE);
expect_string(&it[1], " arr");
expect_type(&it[1], TYPE_ARRAY);
spa_json_enter(&it[1], &it[2]);
expect_string(&it[1], "foo 2");
expect_type(&it[1], TYPE_NULL);
expect_string(&it[1], "foo 3");
expect_float(&it[1], 1.f);
expect_string(&it[1], "obj");
expect_type(&it[1], TYPE_OBJECT);
spa_json_enter(&it[1], &it[3]);
expect_string(&it[1], "foo 4");
expect_float(&it[1], 1.8f);
expect_string(&it[1], "foo 5");
expect_float(&it[1], -1.8f);
expect_string(&it[1], "foo 6");
expect_float(&it[1], +2.8f);
/* in the array */
expect_type(&it[2], TYPE_TRUE);
expect_type(&it[2], TYPE_FALSE);
expect_type(&it[2], TYPE_NULL);
expect_float(&it[2], 5.f);
expect_float(&it[2], 5.7f);
expect_string(&it[2], "str]");
/* in the object */
expect_string(&it[3], "ba } z");
expect_type(&it[3], TYPE_FALSE);
expect_string(&it[3], "empty");
expect_type(&it[3], TYPE_ARRAY);
spa_json_enter(&it[3], &it[4]);
spa_assert(spa_json_next(&it[4], &value) == 0);
expect_string(&it[3], "foo");
expect_type(&it[3], TYPE_OBJECT);
spa_json_enter(&it[3], &it[4]);
expect_string(&it[3], "1.9");
expect_float(&it[3], 1.9f);
}
static void test_encode(void)
{
char dst[1024];
char dst4[4];
char dst6[6];
spa_assert(spa_json_encode_string(dst, sizeof(dst), "test") == 6);
spa_assert(strcmp(dst, "\"test\"") == 0);
spa_assert(spa_json_encode_string(dst4, sizeof(dst4), "test") == 6);
spa_assert(strncmp(dst4, "\"tes", 4) == 0);
spa_assert(spa_json_encode_string(dst6, sizeof(dst6), "test") == 6);
spa_assert(strncmp(dst6, "\"test\"", 6) == 0);
spa_assert(spa_json_encode_string(dst, sizeof(dst), "test\"\n\r \t\b\f\'") == 19);
spa_assert(strcmp(dst, "\"test\"\\n\\r \\t\\b\\f'\"") == 0);
}
int main(int argc, char *argv[])
{
test_abi();
test_parse();
test_encode();
return 0;
}