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Member "libextractor-1.11/src/main/test_file.c" (30 Jan 2021, 4186 Bytes) of package /linux/privat/libextractor-1.11.tar.gz:


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    1 /*
    2      This file is part of libextractor.
    3      Copyright (C) 2012 Vidyut Samanta and Christian Grothoff
    4 
    5      libextractor is free software; you can redistribute it and/or modify
    6      it under the terms of the GNU General Public License as published
    7      by the Free Software Foundation; either version 3, or (at your
    8      option) any later version.
    9 
   10      libextractor is distributed in the hope that it will be useful, but
   11      WITHOUT ANY WARRANTY; without even the implied warranty of
   12      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13      General Public License for more details.
   14 
   15      You should have received a copy of the GNU General Public License
   16      along with libextractor; see the file COPYING.  If not, write to the
   17      Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   18      Boston, MA 02110-1301, USA.
   19 */
   20 /**
   21  * @file main/test_file.c
   22  * @brief testcase for the extractor file-IO part (using IPC logic)
   23  * @author Christian Grothoff
   24  */
   25 #include "platform.h"
   26 #include "extractor.h"
   27 
   28 /**
   29  * Return value from main, set to 0 for test to succeed.
   30  */
   31 static int ret = 2;
   32 
   33 #define HLO "Hello world!"
   34 #define GOB "Goodbye!"
   35 
   36 /**
   37  * Function that libextractor calls for each
   38  * meta data item found.  Should be called once
   39  * with 'Hello World!" and once with "Goodbye!".
   40  *
   41  * @param cls closure should be "main-cls"
   42  * @param plugin_name should be "test"
   43  * @param type should be "COMMENT"
   44  * @param format should be "UTF8"
   45  * @param data_mime_type should be "<no mime>"
   46  * @param data hello world or good bye
   47  * @param data_len number of bytes in data
   48  * @return 0 on hello world, 1 on goodbye
   49  */
   50 static int
   51 process_replies (void *cls,
   52                  const char *plugin_name,
   53                  enum EXTRACTOR_MetaType type,
   54                  enum EXTRACTOR_MetaFormat format,
   55                  const char *data_mime_type,
   56                  const char *data,
   57                  size_t data_len)
   58 {
   59   if (0 != strcmp (cls,
   60                    "main-cls"))
   61   {
   62     fprintf (stderr, "closure invalid\n");
   63     ret = 3;
   64     return 1;
   65   }
   66   if (0 != strcmp (plugin_name,
   67                    "test"))
   68   {
   69     fprintf (stderr, "plugin name invalid\n");
   70     ret = 4;
   71     return 1;
   72   }
   73   if (EXTRACTOR_METATYPE_COMMENT != type)
   74   {
   75     fprintf (stderr, "type invalid\n");
   76     ret = 5;
   77     return 1;
   78   }
   79   if (EXTRACTOR_METAFORMAT_UTF8 != format)
   80   {
   81     fprintf (stderr, "format invalid\n");
   82     ret = 6;
   83     return 1;
   84   }
   85   if ( (NULL == data_mime_type) ||
   86        (0 != strcmp ("<no mime>",
   87                      data_mime_type) ) )
   88   {
   89     fprintf (stderr, "bad mime type\n");
   90     ret = 7;
   91     return 1;
   92   }
   93   if ( (2 == ret) &&
   94        (data_len == strlen (HLO) + 1) &&
   95        (0 == strncmp (data,
   96                       HLO,
   97                       strlen (HLO))) )
   98   {
   99 #if 0
  100     fprintf (stderr, "Received '%s'\n", HLO);
  101 #endif
  102     ret = 1;
  103     return 0;
  104   }
  105   if ( (1 == ret) &&
  106        (data_len == strlen (GOB) + 1) &&
  107        (0 == strncmp (data,
  108                       GOB,
  109                       strlen (GOB))) )
  110   {
  111 #if 0
  112     fprintf (stderr, "Received '%s'\n", GOB);
  113 #endif
  114     ret = 0;
  115     return 1;
  116   }
  117   fprintf (stderr, "Invalid meta data\n");
  118   ret = 8;
  119   return 1;
  120 }
  121 
  122 
  123 /**
  124  * Main function for the file-IO testcase.
  125  *
  126  * @param argc number of arguments (ignored)
  127  * @param argv arguments (ignored)
  128  * @return 0 on success
  129  */
  130 int
  131 main (int argc, char *argv[])
  132 {
  133   struct EXTRACTOR_PluginList *pl;
  134 
  135   /* change environment to find 'extractor_test' plugin which is
  136      not installed but should be in the current directory (or .libs)
  137      on 'make check' */
  138   if (0 != putenv ("LIBEXTRACTOR_PREFIX=.:.libs/"))
  139     fprintf (stderr,
  140              "Failed to update my environment, plugin loading may fail: %s\n",
  141              strerror (errno));
  142   pl = EXTRACTOR_plugin_add_config (NULL, "test(test)",
  143                                     EXTRACTOR_OPTION_DEFAULT_POLICY);
  144   if (NULL == pl)
  145   {
  146     fprintf (stderr, "failed to load test plugin\n");
  147     return 1;
  148   }
  149   EXTRACTOR_extract (pl, "test_file.dat", NULL, 0, &process_replies,
  150                      "main-cls");
  151   EXTRACTOR_plugin_remove_all (pl);
  152   return ret;
  153 }
  154 
  155 
  156 /* end of test_file.c */