expanding test to cover multi-wire format scenarios (#3972)

contrib/mint-template/config/mint-common.conf

@@ -2,7 +2,8 @@
 # Currency supported by the mint (can only be one)
 CURRENCY = EUR
 
-# Wire format supported by the mint (currently only SEPA is implemented)
+# Wire format supported by the mint, case-insensitive.
+# Examples for formats include 'test' for testing and 'sepa' (for EU IBAN).
 WIREFORMAT = SEPA
 
 # HTTP port the mint listens to

src/mint-lib/mint_api_wire.c

@@ -289,7 +289,8 @@ handle_wire_method_finished (void *cls,
   /* pass on successful reply */
   wh->cb (wh->cb_cls,
           response_code,
-          NULL,
+          json_string_value (json_array_get (wh->methods,
+                                             wh->methods_off-1)),
           json);
   /* trigger request for the next /wire/method */
   request_wire_method (wh);

src/mint-lib/test-mint-home/config/mint-common.conf

@@ -3,11 +3,9 @@
 CURRENCY = EUR
 
 # Wire format supported by the mint
-# We use 'test' for testing, in principle we should
-# run tests for all supported wire formats...
-# (we should first implement support for a mint running
-#  with multiple formats at the same time).
-WIREFORMAT = test
+# We use 'test' for testing of the actual
+# coin operations, and 'sepa' to test SEPA-specific routines.
+WIREFORMAT = test sepa
 
 # HTTP port the mint listens to
 PORT = 8081

src/mint-lib/test_mint_api.c

@@ -33,9 +33,8 @@
 
 /**
  * Is the configuration file is set to include wire format 'sepa'?
- * Needs #3972 to be solved first.
  */
-#define WIRE_SEPA 0
+#define WIRE_SEPA 1
 
 /**
  * Main execution context for the main loop.
@@ -464,6 +463,11 @@ struct Command
        */
       struct TALER_MINT_WireHandle *wh;
 
+      /**
+       * Format we expect to see, others will be *ignored*.
+       */
+      const char *format;
+
     } wire;
 
   } details;
@@ -1038,10 +1042,6 @@ link_cb (void *cls,
       return;
     }
     /* check that the coins match */
-    fprintf (stderr,
-	     "Got %u coins\n",
-	     num_coins);
-
     for (i=0;i<num_coins;i++)
       for (j=i+1;j<num_coins;j++)
 	if (0 == memcmp (&coin_privs[i],
@@ -1186,6 +1186,13 @@ wire_cb (void *cls,
     /* 0 always signals the end of the iteration */
     cmd->details.wire.wh = NULL;
   }
+  else if ( (NULL != method) &&
+            (0 != strcasecmp (method,
+                              cmd->details.wire.format)) )
+  {
+    /* not the method we care about, skip */
+    return;
+  }
   if (cmd->expected_response_code != http_status)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
@@ -1994,13 +2001,15 @@ run (void *cls,
     { .oc = OC_WIRE,
       .label = "wire-test",
       /* /wire/test replies with a 302 redirect */
-      .expected_response_code = MHD_HTTP_FOUND  },
+      .expected_response_code = MHD_HTTP_FOUND,
+      .details.wire.format = "test" },
 #endif
 #if WIRE_SEPA
     { .oc = OC_WIRE,
       .label = "wire-sepa",
       /* /wire/sepa replies with a 200 redirect */
-      .expected_response_code = MHD_HTTP_OK  },
+      .expected_response_code = MHD_HTTP_OK,
+      .details.wire.format = "sepa" },
 #endif
     /* *************** end of /wire testing ************** */
 

src/mint/taler-mint-httpd_wire.c

@@ -66,11 +66,6 @@ TMH_WIRE_handler_wire (struct TMH_RequestHandler *rh,
   TMH_KS_sign (&wsm.purpose,
                &pub,
                &sig);
-  /* NOTE: for now, we only support *ONE* wire format per
-     mint instance; if we supply multiple, we need to
-     add the strings for each type separately here -- and
-     hash the 0-terminated strings above differently as well...
-     See #3972. */
   return TMH_RESPONSE_reply_json_pack (connection,
                                        MHD_HTTP_OK,
                                        "{s:o, s:o, s:o}",