writing IPC testcase

3 files changed, 159 insertions, 2 deletions

diff --git a/src/main/Makefile.am b/src/main/Makefile.am
index 33acdf7..f9bec0a 100644
--- a/src/main/Makefile.am
+++ b/src/main/Makefile.am
@@ -76,7 +76,8 @@ libextractor_test_la_LIBADD = \
 check_PROGRAMS = \
  test_trivial \
  test_plugin_loading \
- test_plugin_load_multi
+ test_plugin_load_multi \
+ test_ipc
 
 TESTS = $(check_PROGRAMS)
 
@@ -89,3 +90,6 @@ test_plugin_loading_SOURCES = \
 test_plugin_load_multi_SOURCES = \
  test_plugin_load_multi.c 
 
+test_ipc_SOURCES = \
+ test_ipc.c 
+
diff --git a/src/main/extractor_plugpath.c b/src/main/extractor_plugpath.c
index d45622e..62f0d96 100644
--- a/src/main/extractor_plugpath.c
+++ b/src/main/extractor_plugpath.c
@@ -436,7 +436,7 @@ get_installation_paths (EXTRACTOR_PathProcessor pp,
       for (prefix = strtok (d, PATH_SEPARATOR_STR);

            NULL != prefix;

            prefix = strtok (NULL, PATH_SEPARATOR_STR))

-        pp (pp_cls, prefix);

+        pp (pp_cls, prefix);    

       free (d);

       return;

     }

diff --git a/src/main/test_ipc.c b/src/main/test_ipc.c
new file mode 100644
index 0000000..35750b7
--- /dev/null
+++ b/src/main/test_ipc.c
@@ -0,0 +1,153 @@
+/*
+     This file is part of libextractor.
+     (C) 2012 Vidyut Samanta and Christian Grothoff
+
+     libextractor 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.
+
+     libextractor 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 libextractor; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+/**
+ * @file main/test_ipc.c
+ * @brief testcase for the extractor IPC using the "test" plugin
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "extractor.h"
+
+/**
+ * Return value from main, set to 0 for test to succeed.
+ */
+static int ret = 2;
+
+
+/**
+ * Function that libextractor calls for each
+ * meta data item found.  Should be called once
+ * with 'Hello World!" and once with "Goodbye!".
+ *
+ * @param cls closure should be "main-cls"
+ * @param plugin_name should be "test"
+ * @param type should be "COMMENT"
+ * @param format should be "UTF8"
+ * @param data_mime_type should be "<no mime>"
+ * @param data hello world or good bye
+ * @param data_len number of bytes in data
+ * @return 0 on hello world, 1 on goodbye
+ */ 
+static int
+process_replies (void *cls,
+                 const char *plugin_name,
+                 enum EXTRACTOR_MetaType type,
+                 enum EXTRACTOR_MetaFormat format,
+                 const char *data_mime_type,
+                 const char *data,
+                 size_t data_len)
+{
+  if (0 != strcmp (cls,
+                   "main-cls"))
+    {
+      fprintf (stderr, "closure invalid\n");
+      ret = 3;
+      return 1;
+    }
+  if (0 != strcmp (plugin_name,
+                   "test"))
+    {
+      fprintf (stderr, "plugin name invalid\n");
+      ret = 4;
+      return 1;
+    }
+  if (EXTRACTOR_METATYPE_COMMENT != type)
+    {
+      fprintf (stderr, "type invalid\n");
+      ret = 5;
+      return 1;
+    }
+  if (EXTRACTOR_METAFORMAT_UTF8 != format)
+    {
+      fprintf (stderr, "format invalid\n");
+      ret = 6;
+      return 1;
+    }
+  if ( (NULL == data_mime_type) ||
+       (0 != strcmp ("<no mime>",
+                     data_mime_type) ) )
+    {
+      fprintf (stderr, "bad mime type\n");
+      ret = 7;
+      return 1;
+    }
+  if ( (2 == ret) &&
+       (data_len == strlen ("Hello world!") + 1) &&
+       (0 == strncmp (data,
+                      "Hello world!",
+                      strlen ("Hello world!"))) )
+    {
+      ret = 1;
+      return 0;
+    }
+  if ( (1 == ret) &&
+       (data_len == strlen ("Goodbye!") + 1) &&
+       (0 == strncmp (data,
+                      "Goodbyte!",
+                      strlen ("Goodbye!"))) )
+    {
+      ret = 0;
+      return 1;
+    }
+  fprintf (stderr, "Invalid meta data\n");
+  ret = 8;
+  return 1;
+}
+
+
+/**
+ * Main function for the IPC testcase.
+ *
+ * @param argc number of arguments (ignored)
+ * @param argv arguments (ignored)
+ * @return 0 on success
+ */
+int
+main (int argc, char *argv[])
+{
+  struct EXTRACTOR_PluginList *pl;
+  unsigned char buf[1024 * 150];
+  size_t i;
+
+  /* initialize test buffer as expected by test plugin */
+  for (i=0;i<sizeof(buf);i++)
+    buf[i] = (unsigned char) (i % 256);
+  memcpy (buf, "test", 4);
+
+  /* change environment to find 'extractor_test' plugin which is 
+     not installed but should be in the current directory (or .libs)
+     on 'make check' */
+  if (0 != setenv ("LIBEXTRACTOR_PREFIX", ".:.libs/", 1))
+    fprintf (stderr, 
+             "Failed to update my environment, plugin loading may fail: %s\n",
+             strerror (errno));    
+  pl = EXTRACTOR_plugin_add_config (NULL, "test(test)",
+                                    EXTRACTOR_OPTION_DEFAULT_POLICY);
+  if (NULL == pl)
+    {
+      fprintf (stderr, "failed to load test plugin\n");
+      return 1;
+    }
+  EXTRACTOR_extract (pl, NULL, buf, sizeof (buf), &process_replies, "main-cls");
+  EXTRACTOR_plugin_remove_all (pl);
+  return ret;
+}
+
+/* end of test_ipc.c */