improve auditor support in libtalertesting

src/auditor-lib/testing_auditor_api_helpers.c

@@ -21,7 +21,6 @@
  * @file auditor-lib/testing_auditor_api_helpers.c
  * @brief helper functions
  * @author Christian Grothoff
- * @author Marcello Stanisci
  */
 #include "platform.h"
 #include "taler_json_lib.h"
@@ -30,187 +29,4 @@
 #include "taler_testing_lib.h"
 
 
-/**
- * Remove files from previous runs
- *
- * @param cls NULL
- * @param cfg configuration
- * @return #GNUNET_OK on success
- */
-static int
-cleanup_files_cfg (void *cls,
-		   const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
-  if (GNUNET_OK !=
-      TALER_TESTING_cleanup_files_cfg (NULL,
-				       cfg))
-    return GNUNET_SYSERR;
-  // TODO: auditor-specific clean-up here!  
-#if FIXME
-  GNUNET_assert (GNUNET_OK ==
-                 GNUNET_CONFIGURATION_get_value_filename
-                   (cfg,
-                    "exchange",
-                    "keydir",
-                    &dir));
-  if (GNUNET_YES ==
-      GNUNET_DISK_directory_test (dir,
-                                  GNUNET_NO))
-    GNUNET_break (GNUNET_OK ==
-                  GNUNET_DISK_directory_remove (dir));
-  GNUNET_free (dir);
-#endif
-
-  return GNUNET_OK;
-}
-
-
-/**
- * Remove files from previous runs
- *
- * @param config_name configuration filename.
- */
-void
-TALER_TESTING_AUDITOR_cleanup_files (const char *config_name)
-{
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_parse_and_run (config_name,
-					  &cleanup_files_cfg,
-					  NULL))
-    exit (77);
-}
-
-
-/**
- * Initialize scheduler loop and curl context for the testcase
- * including starting and stopping the auditor and exchange using the
- * given configuration file.
- *
- * @param main_cb routine containing all the commands to run.
- * @param main_cb_cls closure for @a main_cb, typically NULL.
- * @param config_file configuration file for the test-suite.
- *
- * @return #GNUNET_OK if all is okay, != #GNUNET_OK otherwise.
- *         non-#GNUNET_OK codes are #GNUNET_SYSERR most of the
- *         time.
- */
-int
-TALER_TESTING_AUDITOR_setup_with_auditor (TALER_TESTING_Main main_cb,
-					  void *main_cb_cls,
-					  const char *config_filename)
-{
-  int result;
-  struct GNUNET_OS_Process *exchanged;
-  struct GNUNET_OS_Process *auditord;
-  struct GNUNET_CONFIGURATION_Handle *cfg;
-  unsigned long long port;
-  char *serve;
-  char *base_url;
-
-  cfg = GNUNET_CONFIGURATION_create ();
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_load (cfg,
-                                 config_filename))
-    return GNUNET_NO;
-
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_string (cfg,
-                                             "exchange",
-                                             "SERVE",
-                                             &serve))
-  {
-    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
-                               "exchange",
-                               "SERVE");
-    GNUNET_CONFIGURATION_destroy (cfg);
-    return GNUNET_NO;
-  }
-
-  if (0 == strcmp ("tcp", serve))
-  {
-    if (GNUNET_OK !=
-        GNUNET_CONFIGURATION_get_value_number (cfg,
-                                               "exchange",
-                                               "PORT",
-                                               &port))
-    {
-      GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
-                                 "exchange",
-                                 "PORT");
-      GNUNET_CONFIGURATION_destroy (cfg);
-      GNUNET_free (serve);
-      return GNUNET_NO;
-    }
-
-    if (GNUNET_OK !=
-        GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
-  				     (uint16_t) port))
-    {
-      fprintf (stderr,
-               "Required port %llu not available, skipping.\n",
-  	     port);
-      GNUNET_free (serve);
-      return GNUNET_NO;
-    }
-  }
-  GNUNET_free (serve);
-  exchanged = GNUNET_OS_start_process (GNUNET_NO,
-                                       GNUNET_OS_INHERIT_STD_ALL,
-                                       NULL, NULL, NULL,
-                                       "taler-exchange-httpd",
-                                       "taler-exchange-httpd",
-                                       "-c", config_filename,
-                                       "-i",
-                                       NULL);
-  auditord = GNUNET_OS_start_process (GNUNET_NO,
-				      GNUNET_OS_INHERIT_STD_ALL,
-				      NULL, NULL, NULL,
-				      "taler-auditor-httpd",
-				      "taler-auditor-httpd",
-				      "-c", config_filename,
-				      NULL);
-
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_string (cfg,
-                                             "exchange",
-                                             "BASE_URL",
-                                             &base_url))
-  {
-    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
-                               "exchange",
-                               "BASE_URL");
-    GNUNET_CONFIGURATION_destroy (cfg);
-    return GNUNET_NO;
-  }
-  GNUNET_CONFIGURATION_destroy (cfg);
-
-  if (0 != TALER_TESTING_wait_exchange_ready (base_url))
-  {
-    GNUNET_free (base_url);
-    return 77;
-  }
-  GNUNET_free (base_url);
-  
-  /* NOTE: this blocks.  */
-  result = TALER_TESTING_setup (main_cb,
-                                main_cb_cls,
-                                config_filename,
-                                exchanged,
-                                GNUNET_YES);
-  GNUNET_break (0 ==
-                GNUNET_OS_process_kill (exchanged,
-                                        SIGTERM));
-  GNUNET_break (0 ==
-                GNUNET_OS_process_kill (auditord,
-                                        SIGTERM));
-  GNUNET_break (GNUNET_OK ==
-                GNUNET_OS_process_wait (exchanged));
-  GNUNET_break (GNUNET_OK ==
-                GNUNET_OS_process_wait (auditord));
-  GNUNET_OS_process_destroy (exchanged);
-  GNUNET_OS_process_destroy (auditord);
-  return result;
-}
-
-
 /* end of testing_auditor_api_helpers.c */

src/exchange-lib/testing_api_helpers.c

@@ -77,6 +77,7 @@ TALER_TESTING_cleanup_files_cfg (void *cls,
     GNUNET_break (GNUNET_OK ==
                   GNUNET_DISK_directory_remove (dir));
   GNUNET_free (dir);
+  // TODO: auditor-specific clean-up here!
   return GNUNET_OK;
 }
 
@@ -158,6 +159,48 @@ TALER_TESTING_run_auditor_sign (const char *config_filename,
 }
 
 
+/**
+ * Run `taler-auditor-exchange`.
+ *
+ * @param config_filename configuration file to use
+ * @param exchange_master_pub master public key of the exchange
+ * @param exchange_base_url what is the base URL of the exchange
+ * @param do_remove #GNUNET_NO to add exchange, #GNUNET_YES to remove
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_run_auditor_exchange (const char *config_filename,
+                                    const char *exchange_master_pub,
+                                    const char *exchange_base_url,
+                                    int do_remove)
+{
+  struct GNUNET_OS_Process *proc;
+
+  proc = GNUNET_OS_start_process (GNUNET_NO,
+                                  GNUNET_OS_INHERIT_STD_ALL,
+                                  NULL, NULL, NULL,
+                                  "taler-auditor-exchange",
+                                  "taler-auditor-exchange",
+                                  "-c", config_filename,
+                                  "-u", exchange_base_url,
+                                  "-m", exchange_master_pub,
+                                  (GNUNET_YES == do_remove)
+                                  ? "-r"
+                                  : NULL,
+                                  NULL);
+  if (NULL == proc)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+		"Failed to run `taler-auditor-exchange`,"
+                " is your PATH correct?\n");
+    return GNUNET_SYSERR;
+  }
+  GNUNET_OS_process_wait (proc);
+  GNUNET_OS_process_destroy (proc);
+  return GNUNET_OK;
+}
+
+
 /**
  * Run `taler-exchange-dbinit -r` (reset exchange database).
  *
@@ -273,9 +316,9 @@ TALER_TESTING_auditor_db_reset (const char *config_filename)
 
 
 /**
- * Type of closure for 
+ * Type of closure for
  * #sign_keys_for_exchange.
- */ 
+ */
 struct SignInfo
 {
   /**
@@ -283,7 +326,7 @@ struct SignInfo
    * by the caller.
    */
   char *exchange_base_url;
-  
+
   /**
    * Set to the auditor's base URL. To be free'd by the caller.
    */
@@ -301,12 +344,12 @@ struct SignInfo
   const char *auditor_sign_input_filename;
 };
 
-  
+
 /**
  * Sign the keys for an exchange given configuration @a cfg.
  * The information to be signed must be in a file "auditor.in".
  *
- * @param cls[in,out] a `struct SignInfo` with 
+ * @param cls[in,out] a `struct SignInfo` with
  *       further paramters
  * @param cfg configuration to use
  * @return #GNUNET_OK on success
@@ -318,7 +361,7 @@ sign_keys_for_exchange (void *cls,
   struct SignInfo *si = cls;
   char *test_home_dir;
   char *signed_keys_out;
-  char *exchange_master_pub; 
+  char *exchange_master_pub;
 
   if (GNUNET_OK !=
       GNUNET_CONFIGURATION_get_value_string (cfg,
@@ -347,7 +390,7 @@ sign_keys_for_exchange (void *cls,
     si->auditor_base_url = NULL;
     return GNUNET_SYSERR;
   }
-  
+
   if (GNUNET_OK !=
       GNUNET_CONFIGURATION_get_value_filename (cfg,
                                                "paths",
@@ -385,9 +428,19 @@ sign_keys_for_exchange (void *cls,
     GNUNET_free (signed_keys_out);
     return GNUNET_SYSERR;
   }
-  // FIXME: add exchange to auditor with taler-auditor-exchange!
+  if (GNUNET_OK !=
+      TALER_TESTING_run_auditor_exchange (si->config_filename,
+                                          exchange_master_pub,
+                                          si->exchange_base_url,
+                                          GNUNET_NO))
+  {
+    GNUNET_free (si->exchange_base_url);
+    GNUNET_free (si->auditor_base_url);
+    si->exchange_base_url = NULL;
+    si->auditor_base_url = NULL;
+    return GNUNET_NO;
+  }
 
-  
   if (GNUNET_OK !=
       TALER_TESTING_run_auditor_sign (si->config_filename,
 				      exchange_master_pub,
@@ -434,7 +487,7 @@ TALER_TESTING_prepare_exchange (const char *config_filename,
     .auditor_base_url = NULL,
     .auditor_sign_input_filename = "auditor.in"
   };
-  
+
   if (GNUNET_OK !=
       TALER_TESTING_run_keyup (config_filename,
 			       si.auditor_sign_input_filename))
@@ -615,18 +668,41 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
                                    void *main_cb_cls,
                                    const char *config_filename)
 {
+  struct TALER_TESTING_SetupContext setup_ctx = {
+    .config_filename = config_filename,
+    .main_cb = main_cb,
+    .main_cb_cls = main_cb_cls
+  };
   int result;
+
+  if (GNUNET_OK !=
+      (result = GNUNET_CONFIGURATION_parse_and_run (config_filename,
+                                                    &TALER_TESTING_setup_with_exchange_cfg,
+                                                    &setup_ctx)))
+    return result;
+  return GNUNET_OK;
+}
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the exchange using the given
+ * configuration file.
+ *
+ * @param cls must be a `struct TALER_TESTING_SetupContext *`
+ * @param cfg configuration to use.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_exchange_cfg (void *cls,
+                                       const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  const struct TALER_TESTING_SetupContext *setup_ctx = cls;
   struct GNUNET_OS_Process *exchanged;
-  struct GNUNET_CONFIGURATION_Handle *cfg;
   unsigned long long port;
   char *serve;
   char *base_url;
-
+  int result;
-  cfg = GNUNET_CONFIGURATION_create ();
-  if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_load (cfg,
-                                 config_filename))
-    return GNUNET_NO;
 
   if (GNUNET_OK !=
       GNUNET_CONFIGURATION_get_value_string (cfg,
@@ -637,7 +713,6 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
     GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                "exchange",
                                "SERVE");
-    GNUNET_CONFIGURATION_destroy (cfg);
     return GNUNET_NO;
   }
 
@@ -652,7 +727,6 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
       GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                  "exchange",
                                  "PORT");
-      GNUNET_CONFIGURATION_destroy (cfg);
       GNUNET_free (serve);
       return GNUNET_NO;
     }
@@ -661,9 +735,9 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
         GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
   				     (uint16_t) port))
     {
-      fprintf (stderr,
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-               "Required port %llu not available, skipping.\n",
+                  "Required port %llu not available, skipping.\n",
-  	     port);
+                  port);
       GNUNET_free (serve);
       return GNUNET_NO;
     }
@@ -674,7 +748,7 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
                                        NULL, NULL, NULL,
                                        "taler-exchange-httpd",
                                        "taler-exchange-httpd",
-                                       "-c", config_filename,
+                                       "-c", setup_ctx->config_filename,
                                        "-i",
                                        NULL);
 
@@ -687,10 +761,8 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
     GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                "exchange",
                                "BASE_URL");
-    GNUNET_CONFIGURATION_destroy (cfg);
     return GNUNET_NO;
   }
-  GNUNET_CONFIGURATION_destroy (cfg);
 
   if (0 != TALER_TESTING_wait_exchange_ready (base_url))
   {
@@ -698,11 +770,11 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
     return 77;
   }
   GNUNET_free (base_url);
-  
+
-  /* NOTE: this blocks.  */
+  /* NOTE: this call blocks.  */
-  result = TALER_TESTING_setup (main_cb,
+  result = TALER_TESTING_setup (setup_ctx->main_cb,
-                                main_cb_cls,
+                                setup_ctx->main_cb_cls,
-                                config_filename,
+                                setup_ctx->config_filename,
                                 exchanged,
                                 GNUNET_YES);
   GNUNET_break (0 ==
@@ -715,6 +787,141 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
 }
 
 
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the auditor and exchange using the
+ * given configuration file.
+ *
+ * @param cls must be a `struct TALER_TESTING_SetupContext *`
+ * @param cfg configuration to use.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_auditor_and_exchange_cfg (void *cls,
+                                                   const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  const struct TALER_TESTING_SetupContext *setup_ctx = cls;
+  struct GNUNET_OS_Process *auditord;
+  unsigned long long port;
+  char *serve;
+  char *base_url;
+  int result;
+
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (cfg,
+                                             "auditor",
+                                             "SERVE",
+                                             &serve))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "auditor",
+                               "SERVE");
+    return GNUNET_NO;
+  }
+
+  if (0 == strcmp ("tcp", serve))
+  {
+    if (GNUNET_OK !=
+        GNUNET_CONFIGURATION_get_value_number (cfg,
+                                               "auditor",
+                                               "PORT",
+                                               &port))
+    {
+      GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                                 "auditor",
+                                 "PORT");
+      GNUNET_free (serve);
+      return GNUNET_NO;
+    }
+
+    if (GNUNET_OK !=
+        GNUNET_NETWORK_test_port_free (IPPROTO_TCP,
+  				     (uint16_t) port))
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                  "Required port %llu not available, skipping.\n",
+                  port);
+      GNUNET_free (serve);
+      return GNUNET_NO;
+    }
+  }
+  GNUNET_free (serve);
+  auditord = GNUNET_OS_start_process (GNUNET_NO,
+                                      GNUNET_OS_INHERIT_STD_ALL,
+                                      NULL, NULL, NULL,
+                                      "taler-auditor-httpd",
+                                      "taler-auditor-httpd",
+                                      "-c", setup_ctx->config_filename,
+                                      NULL);
+
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (cfg,
+                                             "auditor",
+                                             "BASE_URL",
+                                             &base_url))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "auditor",
+                               "BASE_URL");
+    return GNUNET_NO;
+  }
+
+  if (0 != TALER_TESTING_wait_auditor_ready (base_url))
+  {
+    GNUNET_free (base_url);
+    return 77;
+  }
+  GNUNET_free (base_url);
+
+  /* NOTE: this call blocks.  */
+  result = TALER_TESTING_setup_with_exchange_cfg ((void *) setup_ctx,
+                                                  cfg);
+  GNUNET_break (0 ==
+                GNUNET_OS_process_kill (auditord,
+                                        SIGTERM));
+  GNUNET_break (GNUNET_OK ==
+                GNUNET_OS_process_wait (auditord));
+  GNUNET_OS_process_destroy (auditord);
+  return result;
+}
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the auditor and exchange using the
+ * given configuration file.
+ *
+ * @param main_cb main method.
+ * @param main_cb_cls main method closure.
+ * @param config_filename configuration file name.  Is is used
+ *        by both this function and the exchange itself.  In the
+ *        first case it gives out the exchange port number and
+ *        the exchange base URL so as to check whether the port
+ *        is available and the exchange responds when requested
+ *        at its base URL.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_auditor_and_exchange (TALER_TESTING_Main main_cb,
+                                               void *main_cb_cls,
+                                               const char *config_file)
+{
+  struct TALER_TESTING_SetupContext setup_ctx = {
+    .config_filename = config_file,
+    .main_cb = main_cb,
+    .main_cb_cls = main_cb_cls
+  };
+  int result;
+
+  if (GNUNET_OK !=
+      (result = GNUNET_CONFIGURATION_parse_and_run (config_file,
+                                                    &TALER_TESTING_setup_with_auditor_and_exchange_cfg,
+                                                    &setup_ctx)))
+    return result;
+  return GNUNET_OK;
+}
+
+
 /**
  * Test port in URL string for availability.
  */

src/include/taler_auditordb_plugin.h

@@ -540,7 +540,7 @@ struct TALER_AUDITORDB_Plugin
 
 
   /**
-   * Get information about a deposit confirmations from the database.
+   * Get information about deposit confirmations from the database.
    *
    * @param cls the @e cls of this struct with the plugin-specific state
    * @param session connection to the database

src/include/taler_testing_auditor_lib.h

@@ -36,42 +36,4 @@
 /* ********************* Helper functions ********************* */
 
 
-/**
- * Wait for the auditor to have started. Waits for at
- * most 10s, after that returns 77 to indicate an error.
- *
- * @param base_url what URL should we expect the exchange
- *        to be running at
- * @return 0 on success
- */
-int
-TALER_TESTING_AUDITOR_wait_auditor_ready (const char *base_url);
-
-
-/**
- * Remove files from previous runs
- */
-void
-TALER_TESTING_AUDITOR_cleanup_files (const char *config_name);
-
-
-/**
- * Initialize scheduler loop and curl context for the testcase
- * including starting and stopping the auditor and exchange using the
- * given configuration file.
- *
- * @param main_cb routine containing all the commands to run.
- * @param main_cb_cls closure for @a main_cb, typically NULL.
- * @param config_file configuration file for the test-suite.
- *
- * @return #GNUNET_OK if all is okay, != #GNUNET_OK otherwise.
- *         non-#GNUNET_OK codes are #GNUNET_SYSERR most of the
- *         time.
- */
-int
-TALER_TESTING_AUDITOR_setup_with_auditor (TALER_TESTING_Main main_cb,
-					  void *main_cb_cls,
-					  const char *config_filename);
-
-
 #endif

src/include/taler_testing_lib.h

@@ -212,6 +212,22 @@ TALER_TESTING_run_auditor_sign (const char *config_filename,
 				const char *signdata_out);
 
 
+/**
+ * Run `taler-auditor-exchange`.
+ *
+ * @param config_filename configuration file to use
+ * @param exchange_master_pub master public key of the exchange
+ * @param exchange_base_url what is the base URL of the exchange
+ * @param do_remove #GNUNET_NO to add exchange, #GNUNET_YES to remove
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_TESTING_run_auditor_exchange (const char *config_filename,
+                                    const char *exchange_master_pub,
+                                    const char *exchange_base_url,
+                                    int do_remove);
+
+
 /**
  * Test port in URL string for availability.
  */
@@ -564,6 +580,42 @@ TALER_TESTING_setup (TALER_TESTING_Main main_cb,
                      int exchange_connect);
 
 
+/**
+ * Closure for #TALER_TESTING_setup_with_exchange_cfg().
+ */
+struct TALER_TESTING_SetupContext
+{
+  /**
+   * Main function of the test to run.
+   */
+  TALER_TESTING_Main main_cb;
+
+  /**
+   * Closure for @e main_cb.
+   */
+  void *main_cb_cls;
+
+  /**
+   * Name of the configuration file.
+   */
+  const char *config_filename;
+};
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the exchange using the given
+ * configuration file.
+ *
+ * @param cls must be a `struct TALER_TESTING_SetupContext *`
+ * @param cfg configuration to use.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_exchange_cfg (void *cls,
+                                       const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
 /**
  * Initialize scheduler loop and curl context for the test case
  * including starting and stopping the exchange using the given
@@ -584,6 +636,44 @@ TALER_TESTING_setup_with_exchange (TALER_TESTING_Main main_cb,
                                    void *main_cb_cls,
                                    const char *config_file);
 
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the auditor and exchange using the
+ * given configuration file.
+ *
+ * @param cls must be a `struct TALER_TESTING_SetupContext *`
+ * @param cfg configuration to use.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_auditor_and_exchange_cfg (void *cls,
+                                                   const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
+/**
+ * Initialize scheduler loop and curl context for the test case
+ * including starting and stopping the auditor and exchange using the
+ * given configuration file.
+ *
+ * @param main_cb main method.
+ * @param main_cb_cls main method closure.
+ * @param config_filename configuration file name.  Is is used
+ *        by both this function and the exchange itself.  In the
+ *        first case it gives out the exchange port number and
+ *        the exchange base URL so as to check whether the port
+ *        is available and the exchange responds when requested
+ *        at its base URL.
+ * @return #GNUNET_OK if no errors occurred.
+ */
+int
+TALER_TESTING_setup_with_auditor_and_exchange (TALER_TESTING_Main main_cb,
+                                               void *main_cb_cls,
+                                               const char *config_file);
+
+
+
+
 /* ************** Specific interpreter commands ************ */
 
 /**