Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   (C) 2023 Taler Systems SA
       4              : 
       5              :   TALER is free software; you can redistribute it and/or modify it under the
       6              :   terms of the GNU General Public License as published by the Free Software
       7              :   Foundation; either version 3, or (at your option) any later version.
       8              : 
       9              :   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10              :   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11              :   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12              : 
      13              :   You should have received a copy of the GNU General Public License along with
      14              :   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15              : */
      16              : /**
      17              :  * @file util/test_conversion.c
      18              :  * @brief Tests for conversion logic
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/platform.h"
      22              : #include "taler/taler_util.h"
      23              : #include <gnunet/gnunet_json_lib.h>
      24              : #include "taler/taler_json_lib.h"
      25              : 
      26              : /**
      27              :  * Return value from main().
      28              :  */
      29              : static int global_ret;
      30              : 
      31              : /**
      32              :  * Handle to our helper.
      33              :  */
      34              : static struct TALER_JSON_ExternalConversion *ec;
      35              : 
      36              : 
      37              : /**
      38              :  * Type of a callback that receives a JSON @a result.
      39              :  *
      40              :  * @param cls closure
      41              :  * @param status_type how did the process die
      42              :  * @apram code termination status code from the process
      43              :  * @param result some JSON result, NULL if we failed to get an JSON output
      44              :  */
      45              : static void
      46            1 : conv_cb (void *cls,
      47              :          enum GNUNET_OS_ProcessStatusType status_type,
      48              :          unsigned long code,
      49              :          const json_t *result)
      50              : {
      51              :   json_t *expect;
      52              : 
      53              :   (void) cls;
      54              :   (void) status_type;
      55            1 :   ec = NULL;
      56            1 :   global_ret = 3;
      57            1 :   if (42 != code)
      58              :   {
      59            0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      60              :                 "Unexpected return value from helper: %u\n",
      61              :                 (unsigned int) code);
      62            0 :     return;
      63              :   }
      64            1 :   expect = GNUNET_JSON_PACK (
      65              :     GNUNET_JSON_pack_string ("foo",
      66              :                              "arg")
      67              :     );
      68            1 :   GNUNET_assert (NULL != expect);
      69            1 :   if (1 == json_equal (expect,
      70              :                        result))
      71              :   {
      72            1 :     global_ret = 0;
      73              :   }
      74              :   else
      75              :   {
      76            0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      77              :                 "Unexpected JSON result\n");
      78            0 :     json_dumpf (result,
      79              :                 stderr,
      80              :                 JSON_INDENT (2));
      81            0 :     global_ret = 4;
      82              :   }
      83            1 :   json_decref (expect);
      84              : }
      85              : 
      86              : 
      87              : /**
      88              :  * Function called on shutdown/CTRL-C.
      89              :  *
      90              :  * @param cls NULL
      91              :  */
      92              : static void
      93            1 : do_shutdown (void *cls)
      94              : {
      95              :   (void) cls;
      96            1 :   if (NULL != ec)
      97              :   {
      98            0 :     GNUNET_break (0);
      99            0 :     global_ret = 2;
     100            0 :     TALER_JSON_external_conversion_stop (ec);
     101            0 :     ec = NULL;
     102              :   }
     103            1 : }
     104              : 
     105              : 
     106              : /**
     107              :  * Main test function.
     108              :  *
     109              :  * @param cls NULL
     110              :  */
     111              : static void
     112            1 : run (void *cls)
     113              : {
     114              :   json_t *input;
     115            1 :   const char *argv[] = {
     116              :     "test_conversion.sh",
     117              :     "arg",
     118              :     NULL
     119              :   };
     120              : 
     121              :   (void) cls;
     122            1 :   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
     123              :                                  NULL);
     124            1 :   input = GNUNET_JSON_PACK (
     125              :     GNUNET_JSON_pack_string ("key",
     126              :                              "foo")
     127              :     );
     128            1 :   GNUNET_assert (NULL != input);
     129            1 :   ec = TALER_JSON_external_conversion_start (input,
     130              :                                              &conv_cb,
     131              :                                              NULL,
     132              :                                              "./test_conversion.sh",
     133              :                                              argv);
     134            1 :   json_decref (input);
     135            1 :   GNUNET_assert (NULL != ec);
     136            1 : }
     137              : 
     138              : 
     139              : int
     140            1 : main (int argc,
     141              :       const char *const argv[])
     142              : {
     143              :   (void) argc;
     144              :   (void) argv;
     145            1 :   unsetenv ("XDG_DATA_HOME");
     146            1 :   unsetenv ("XDG_CONFIG_HOME");
     147            1 :   GNUNET_log_setup ("test-conversion",
     148              :                     "INFO",
     149              :                     NULL);
     150            1 :   global_ret = 1;
     151            1 :   GNUNET_SCHEDULER_run (&run,
     152              :                         NULL);
     153            1 :   return global_ret;
     154              : }