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/* Copyright (c) 2016, MariaDB Corp. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "my_config.h"
#include "config.h"
#include <tap.h>
#include <my_global.h>
#include <my_sys.h>
#include <json_lib.h>
/* The character set used for JSON all over this test. */
static CHARSET_INFO *ci;
#define s_e(j) j, j + strlen((const char *) j)
struct st_parse_result
{
int n_keys;
int n_values;
int n_arrays;
int n_objects;
int n_steps;
int error;
uchar keyname_csum;
};
static void parse_json(const uchar *j, struct st_parse_result *result)
{
json_engine_t je;
bzero(result, sizeof(*result));
if (json_scan_start(&je, ci, s_e(j)))
return;
do
{
result->n_steps++;
switch (je.state)
{
case JST_KEY:
result->n_keys++;
while (json_read_keyname_chr(&je) == 0)
{
result->keyname_csum^= je.s.c_next;
}
if (je.s.error)
return;
break;
case JST_VALUE:
result->n_values++;
break;
case JST_OBJ_START:
result->n_objects++;
break;
case JST_ARRAY_START:
result->n_arrays++;
break;
default:
break;
};
} while (json_scan_next(&je) == 0);
result->error= je.s.error;
}
static const uchar *js0= (const uchar *) "123";
static const uchar *js1= (const uchar *) "[123, \"text\"]";
static const uchar *js2= (const uchar *) "{\"key1\":123, \"key2\":\"text\"}";
static const uchar *js3= (const uchar *) "{\"key1\":{\"ikey1\":321},"
"\"key2\":[\"text\", 321]}";
/*
Test json_lib functions to parse JSON.
*/
static void
test_json_parsing()
{
struct st_parse_result r;
parse_json(js0, &r);
ok(r.n_steps == 1 && r.n_values == 1, "simple value");
parse_json(js1, &r);
ok(r.n_steps == 5 && r.n_values == 3 && r.n_arrays == 1, "array");
parse_json(js2, &r);
ok(r.n_steps == 5 && r.n_keys == 2 && r.n_objects == 1 && r.keyname_csum == 3,
"object");
parse_json(js3, &r);
ok(r.n_steps == 12 && r.n_keys == 3 && r.n_objects == 2 &&
r.n_arrays == 1 && r.keyname_csum == 44,
"complex json");
}
static const uchar *p0= (const uchar *) "$.key1[12].*[*]";
/*
Test json_lib functions to parse JSON path.
*/
static void
test_path_parsing()
{
json_path_t p;
if (json_path_setup(&p, ci, s_e(p0)))
return;
ok(p.last_step - p.steps == 4 &&
p.steps[0].type == JSON_PATH_ARRAY_WILD &&
p.steps[1].type == JSON_PATH_KEY &&
p.steps[2].type == JSON_PATH_ARRAY && p.steps[2].n_item == 12 &&
p.steps[3].type == JSON_PATH_KEY_WILD &&
p.steps[4].type == JSON_PATH_ARRAY_WILD,
"path");
}
static const uchar *fj0=(const uchar *) "[{\"k0\":123, \"k1\":123, \"k1\":123},"
" {\"k3\":321, \"k4\":\"text\"},"
" {\"k1\":[\"text\"], \"k2\":123}]";
static const uchar *fp0= (const uchar *) "$[*].k1";
/*
Test json_lib functions to search through JSON.
*/
static void
test_search()
{
json_engine_t je;
json_path_t p;
json_path_step_t *cur_step;
int n_matches, scal_values;
int array_counters[JSON_DEPTH_LIMIT];
if (json_scan_start(&je, ci, s_e(fj0)) ||
json_path_setup(&p, ci, s_e(fp0)))
return;
cur_step= p.steps;
n_matches= scal_values= 0;
while (json_find_path(&je, &p, &cur_step, array_counters) == 0)
{
n_matches++;
if (json_read_value(&je))
return;
if (json_value_scalar(&je))
{
scal_values++;
if (json_scan_next(&je))
return;
}
else
{
if (json_skip_level(&je) || json_scan_next(&je))
return;
}
}
ok(n_matches == 3, "search");
}
int main()
{
ci= &my_charset_utf8mb3_general_ci;
plan(6);
diag("Testing json_lib functions.");
test_json_parsing();
test_path_parsing();
test_search();
return exit_status();
}
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