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exchange/src/json/test_json.c

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/*
This file is part of TALER
(C) 2015, 2016, 2020 Taler Systems SA
TALER 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; either version 3, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file json/test_json.c
* @brief Tests for Taler-specific crypto logic
* @author Christian Grothoff <christian@grothoff.org>
*/
#include "platform.h"
#include "taler_util.h"
#include "taler_json_lib.h"
/**
* Test amount conversion from/to JSON.
*
* @return 0 on success
*/
static int
test_amount (void)
{
json_t *j;
struct TALER_Amount a1;
struct TALER_Amount a2;
struct GNUNET_JSON_Specification spec[] = {
TALER_JSON_spec_amount ("amount", &a2),
GNUNET_JSON_spec_end ()
};
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:4.3",
&a1));
j = json_pack ("{s:o}", "amount", TALER_JSON_from_amount (&a1));
GNUNET_assert (NULL != j);
GNUNET_assert (GNUNET_OK ==
GNUNET_JSON_parse (j, spec,
NULL, NULL));
GNUNET_assert (0 ==
TALER_amount_cmp (&a1,
&a2));
json_decref (j);
return 0;
}
struct TestPath_Closure
{
const char **object_ids;
const json_t **parents;
unsigned int results_length;
int cmp_result;
};
static void
path_cb (void *cls,
const char *object_id,
json_t *parent)
{
struct TestPath_Closure *cmp = cls;
if (NULL == cmp)
return;
unsigned int i = cmp->results_length;
if ((0 != strcmp (cmp->object_ids[i],
object_id)) ||
(1 != json_equal (cmp->parents[i],
parent)))
cmp->cmp_result = 1;
cmp->results_length += 1;
}
static int
test_contract (void)
{
struct GNUNET_HashCode h1;
struct GNUNET_HashCode h2;
json_t *c1;
json_t *c2;
json_t *c3;
json_t *c4;
c1 = json_pack ("{s:s, s:{s:s, s:{s:s}}}",
"k1", "v1",
"k2", "n1", "n2",
/***/ "$forgettable", "n1", "salt");
GNUNET_assert (NULL != c1);
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_mark_forgettable (c1,
"k1"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_mark_forgettable (c1,
"k2"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c1,
&h1));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_part_forget (c1,
"k1"));
/* check salt was forgotten */
GNUNET_assert (NULL ==
json_object_get (json_object_get (c1,
"$forgettable"),
"k1"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c1,
&h2));
if (0 !=
GNUNET_memcmp (&h1,
&h2))
{
GNUNET_break (0);
json_decref (c1);
return 1;
}
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_part_forget (json_object_get (c1,
"k2"),
"n1"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c1,
&h2));
if (0 !=
GNUNET_memcmp (&h1,
&h2))
{
GNUNET_break (0);
json_decref (c1);
return 1;
}
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_part_forget (c1,
"k2"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c1,
&h2));
json_decref (c1);
if (0 !=
GNUNET_memcmp (&h1,
&h2))
{
GNUNET_break (0);
return 1;
}
c1 = json_pack ("{s:I, s:{s:s}, s:{s:b, s:{s:s}}, s:{s:s}}",
"k1", 1,
"$forgettable", "k1", "SALT",
"k2", "n1", true,
/***/ "$forgettable", "n1", "salt",
"k3", "n1", "string");
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c1,
&h1));
json_dumpf (c1, stderr, JSON_INDENT (2));
json_decref (c1);
{
char *s;
s = GNUNET_STRINGS_data_to_string_alloc (&h1,
sizeof (h1));
if (0 !=
strcmp (s,
"48YVST0SZJXWNG3KAD14SSK3AD0T5V01W5AE6E76DYKMJSC5BQ19M0FZ7CZP5JY26FC4AFXTXRGEVSQ1NSKPQ1DQ4GS9C4SAECG5RZ8"))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Invalid reference hash: %s\n",
s);
GNUNET_free (s);
return 1;
}
GNUNET_free (s);
}
c2 = json_pack ("{s:s}",
"n1", "n2");
GNUNET_assert (NULL != c2);
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_mark_forgettable (c2,
"n1"));
c3 = json_pack ("{s:s, s:o}",
"k1", "v1",
"k2", c2);
GNUNET_assert (NULL != c3);
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_mark_forgettable (c3,
"k1"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c3,
&h1));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_part_forget (c2,
"n1"));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_contract_hash (c3,
&h2));
json_decref (c3);
c4 = json_pack ("{s:{s:s}, s:[{s:s}, {s:s}, {s:s}]}",
"abc1",
"xyz", "value",
"fruit",
"name", "banana",
"name", "apple",
"name", "orange");
GNUNET_assert (NULL != c4);
GNUNET_assert (GNUNET_SYSERR ==
TALER_JSON_expand_path (c4,
"%.xyz",
&path_cb,
NULL));
GNUNET_assert (GNUNET_OK ==
TALER_JSON_expand_path (c4,
"$.nonexistent_id",
&path_cb,
NULL));
GNUNET_assert (GNUNET_SYSERR ==
TALER_JSON_expand_path (c4,
"$.fruit[n]",
&path_cb,
NULL));
{
const char *object_ids[] = { "xyz" };
const json_t *parents[] = {
json_object_get (c4,
"abc1")
};
struct TestPath_Closure tp = {
.object_ids = object_ids,
.parents = parents,
.results_length = 0,
.cmp_result = 0
};
GNUNET_assert (GNUNET_OK ==
TALER_JSON_expand_path (c4,
"$.abc1.xyz",
&path_cb,
&tp));
GNUNET_assert (1 == tp.results_length);
GNUNET_assert (0 == tp.cmp_result);
}
{
const char *object_ids[] = { "name" };
const json_t *parents[] = {
json_array_get (json_object_get (c4,
"fruit"),
0)
};
struct TestPath_Closure tp = {
.object_ids = object_ids,
.parents = parents,
.results_length = 0,
.cmp_result = 0
};
GNUNET_assert (GNUNET_OK ==
TALER_JSON_expand_path (c4,
"$.fruit[0].name",
&path_cb,
&tp));
GNUNET_assert (1 == tp.results_length);
GNUNET_assert (0 == tp.cmp_result);
}
{
const char *object_ids[] = { "name", "name", "name" };
const json_t *parents[] = {
json_array_get (json_object_get (c4,
"fruit"),
0),
json_array_get (json_object_get (c4,
"fruit"),
1),
json_array_get (json_object_get (c4,
"fruit"),
2)
};
struct TestPath_Closure tp = {
.object_ids = object_ids,
.parents = parents,
.results_length = 0,
.cmp_result = 0
};
GNUNET_assert (GNUNET_OK ==
TALER_JSON_expand_path (c4,
"$.fruit[*].name",
&path_cb,
&tp));
GNUNET_assert (3 == tp.results_length);
GNUNET_assert (0 == tp.cmp_result);
}
json_decref (c4);
if (0 !=
GNUNET_memcmp (&h1,
&h2))
{
GNUNET_break (0);
return 1;
}
return 0;
}
int
main (int argc,
const char *const argv[])
{
(void) argc;
(void) argv;
GNUNET_log_setup ("test-json",
"WARNING",
NULL);
if (0 != test_amount ())
return 1;
if (0 != test_contract ())
return 2;
return 0;
}
/* end of test_json.c */
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