[GNUnet-SVN] [taler-merchant] branch master updated: Resolve #5719

[gnunet]

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marcello pushed a commit to branch master
in repository merchant.

The following commit(s) were added to refs/heads/master by this push:
     new ca0f567  Resolve #5719
ca0f567 is described below

commit ca0f567dcc4e9a4b6c65b2974c45a4bbcbaba414
Author: Marcello Stanisci <address@hidden>
AuthorDate: Tue May 21 14:50:36 2019 +0200

    Resolve #5719
---
 src/backend/taler-merchant-httpd_pay.c |  2 +-
 src/lib/merchant_api_pay.c             |  4 ++
 src/lib/test_merchant_api_twisted.c    | 76 ++++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/src/backend/taler-merchant-httpd_pay.c 
b/src/backend/taler-merchant-httpd_pay.c
index 57ff402..6f407e3 100644
--- a/src/backend/taler-merchant-httpd_pay.c
+++ b/src/backend/taler-merchant-httpd_pay.c
@@ -2024,7 +2024,7 @@ MH_handler_pay (struct TMH_RequestHandler *rh,
   json_t *root;
 
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-             "In handler for /pay.\n");
+              "In handler for /pay.\n");
   if (NULL == *connection_cls)
   {
     pc = GNUNET_new (struct PayContext);
diff --git a/src/lib/merchant_api_pay.c b/src/lib/merchant_api_pay.c
index be70f6d..84d86e5 100644
--- a/src/lib/merchant_api_pay.c
+++ b/src/lib/merchant_api_pay.c
@@ -368,6 +368,10 @@ handle_pay_finished (void *cls,
       /* Server had an internal issue; we should retry, but this API
         leaves this to the application */
       break;
+    case MHD_HTTP_SERVICE_UNAVAILABLE:
+      /* Exchange couldn't respond properly; the retry is left to the
+       * application */
+      break;
     default:
       /* unexpected response code */
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
diff --git a/src/lib/test_merchant_api_twisted.c 
b/src/lib/test_merchant_api_twisted.c
index 0335153..f5403bf 100644
--- a/src/lib/test_merchant_api_twisted.c
+++ b/src/lib/test_merchant_api_twisted.c
@@ -190,6 +190,80 @@ run (void *cls,
      struct TALER_TESTING_Interpreter *is)
 {
 
+  /**** Triggering #5719 ****/
+  struct TALER_TESTING_Command bug_5719[] = {
+
+    /**
+     * Move money to the exchange's bank account.
+     */
+    CMD_TRANSFER_TO_EXCHANGE ("5719-create-reserve",
+                              "EUR:1.01"),
+    /**
+     * Make a reserve exist, according to the previous
+     * transfer.
+     */
+    CMD_EXEC_WIREWATCH ("5719-wirewatch"),
+
+    TALER_TESTING_cmd_check_bank_transfer
+      ("5719-check-transfer",
+       EXCHANGE_URL,
+       "EUR:1.01",
+       USER_ACCOUNT_NO,
+       EXCHANGE_ACCOUNT_NO),
+
+    TALER_TESTING_cmd_withdraw_amount ("5719-withdraw",
+                                       "5719-create-reserve",
+                                       "EUR:1",
+                                       MHD_HTTP_OK),
+
+    TALER_TESTING_cmd_status ("5719-reserve-status",
+                              "5719-create-reserve",
+                              "EUR:0",
+                              MHD_HTTP_OK),
+    TALER_TESTING_cmd_proposal
+      ("5719-create-proposal",
+       twister_merchant_url,
+       MHD_HTTP_OK,
+       "{\"max_fee\":\
+          {\"currency\":\"EUR\",\
+           \"value\":0,\
+           \"fraction\":50000000},\
+        \"order_id\":\"5719TRIGGER\",\
+        \"refund_deadline\":\"\\/Date(0)\\/\",\
+        \"pay_deadline\":\"\\/Date(99999999999)\\/\",\
+        \"fulfillment_url\": \"https://example.com/\",\
+        \"amount\":\
+          {\"currency\":\"EUR\",\
+           \"value\":1,\
+           \"fraction\":0},\
+        \"summary\": \"merchant-lib testcase\",\
+        \"products\": [ {\"description\":\"triggering bug 5719\",\
+                         \"value\":\"{EUR:1}\"} ] }",
+        NULL),
+
+    /**
+     * Instruct the Twister to malform the response given by
+     * the exchange to the merchant.  This way, the parser will
+     * not manage to pass the callback a valid JSON and will
+     * instead pass a NULL pointer.  This should trigger the path
+     * mentioned in the bug report #5719.
+     */
+    TALER_TESTING_cmd_malform_response
+      ("5719-malform-xcg-resp",
+       PROXY_EXCHANGE_CONFIG_FILE),
+
+    TALER_TESTING_cmd_pay ("5719-deposit",
+                           twister_merchant_url,
+                           MHD_HTTP_SERVICE_UNAVAILABLE,
+                           "5719-create-proposal",
+                           "5719-withdraw",
+                           "EUR:1",
+                           "EUR:1.99", // no sense now
+                           "EUR:0.01"), // no sense now
+    TALER_TESTING_cmd_end ()
+  };
+  
+
   /**** Covering /check-payment ****/
   struct TALER_TESTING_Command check_payment[] = {
 
@@ -956,6 +1030,8 @@ run (void *cls,
     TALER_TESTING_cmd_batch ("pay",
                              pay),
 
+    TALER_TESTING_cmd_batch ("bug-5719",
+                             bug_5719),
     /**
      * End the suite.  Fixme: better to have a label for this
      * too, as it shows a "(null)" token on logs.

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