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/taler_util.h"
      22              : #include <gnunet/gnunet_json_lib.h>
      23              : #include "taler/taler_json_lib.h"
      24              : 
      25              : /**
      26              :  * Return value from main().
      27              :  */
      28              : static int global_ret;
      29              : 
      30              : /**
      31              :  * Handle to our helper.
      32              :  */
      33              : static struct TALER_JSON_ExternalConversion *ec;
      34              : 
      35              : 
      36              : /**
      37              :  * Type of a callback that receives a JSON @a result.
      38              :  *
      39              :  * @param cls closure
      40              :  * @param status_type how did the process die
      41              :  * @apram code termination status code from the process
      42              :  * @param result some JSON result, NULL if we failed to get an JSON output
      43              :  */
      44              : static void
      45            1 : conv_cb (void *cls,
      46              :          enum GNUNET_OS_ProcessStatusType status_type,
      47              :          unsigned long code,
      48              :          const json_t *result)
      49              : {
      50              :   json_t *expect;
      51              : 
      52              :   (void) cls;
      53              :   (void) status_type;
      54            1 :   ec = NULL;
      55            1 :   global_ret = 3;
      56            1 :   if (42 != code)
      57              :   {
      58            0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      59              :                 "Unexpected return value from helper: %u\n",
      60              :                 (unsigned int) code);
      61            0 :     return;
      62              :   }
      63            1 :   expect = GNUNET_JSON_PACK (
      64              :     GNUNET_JSON_pack_string ("foo",
      65              :                              "arg")
      66              :     );
      67            1 :   GNUNET_assert (NULL != expect);
      68            1 :   if (1 == json_equal (expect,
      69              :                        result))
      70              :   {
      71            1 :     global_ret = 0;
      72              :   }
      73              :   else
      74              :   {
      75            0 :     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
      76              :                 "Unexpected JSON result\n");
      77            0 :     json_dumpf (result,
      78              :                 stderr,
      79              :                 JSON_INDENT (2));
      80            0 :     global_ret = 4;
      81              :   }
      82            1 :   json_decref (expect);
      83              : }
      84              : 
      85              : 
      86              : /**
      87              :  * Function called on shutdown/CTRL-C.
      88              :  *
      89              :  * @param cls NULL
      90              :  */
      91              : static void
      92            1 : do_shutdown (void *cls)
      93              : {
      94              :   (void) cls;
      95            1 :   if (NULL != ec)
      96              :   {
      97            0 :     GNUNET_break (0);
      98            0 :     global_ret = 2;
      99            0 :     TALER_JSON_external_conversion_stop (ec);
     100            0 :     ec = NULL;
     101              :   }
     102            1 : }
     103              : 
     104              : 
     105              : /**
     106              :  * Main test function.
     107              :  *
     108              :  * @param cls NULL
     109              :  */
     110              : static void
     111            1 : run (void *cls)
     112              : {
     113              :   json_t *input;
     114            1 :   const char *argv[] = {
     115              :     "test_conversion.sh",
     116              :     "arg",
     117              :     NULL
     118              :   };
     119              : 
     120              :   (void) cls;
     121            1 :   GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
     122              :                                  NULL);
     123            1 :   input = GNUNET_JSON_PACK (
     124              :     GNUNET_JSON_pack_string ("key",
     125              :                              "foo")
     126              :     );
     127            1 :   GNUNET_assert (NULL != input);
     128            1 :   ec = TALER_JSON_external_conversion_start (input,
     129              :                                              &conv_cb,
     130              :                                              NULL,
     131              :                                              "./test_conversion.sh",
     132              :                                              argv);
     133            1 :   json_decref (input);
     134            1 :   GNUNET_assert (NULL != ec);
     135            1 : }
     136              : 
     137              : 
     138              : int
     139            1 : main (int argc,
     140              :       const char *const argv[])
     141              : {
     142              :   (void) argc;
     143              :   (void) argv;
     144            1 :   unsetenv ("XDG_DATA_HOME");
     145            1 :   unsetenv ("XDG_CONFIG_HOME");
     146            1 :   GNUNET_log_setup ("test-conversion",
     147              :                     "INFO",
     148              :                     NULL);
     149            1 :   global_ret = 1;
     150            1 :   GNUNET_SCHEDULER_run (&run,
     151              :                         NULL);
     152            1 :   return global_ret;
     153              : }