add purse delete testing CMD

src/include/taler_testing_lib.h

@@ -2567,6 +2567,21 @@ TALER_TESTING_cmd_purse_create_with_deposit (
   ...);
 
 
+/**
+ * Deletes a purse.
+ *
+ * @param label command label
+ * @param expected_http_status what HTTP status do we expect to get returned from the exchange
+ * @param purse_cmd command that created the purse
+ * @return the command
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_purse_delete (
+  const char *label,
+  unsigned int expected_http_status,
+  const char *purse_cmd);
+
+
 /**
  * Retrieve contract (also checks that the contract matches
  * the upload command).

src/testing/Makefile.am

@@ -77,6 +77,7 @@ libtalertesting_la_SOURCES = \
   testing_api_cmd_offline_sign_keys.c \
   testing_api_cmd_offline_sign_extensions.c \
   testing_api_cmd_purse_create_deposit.c \
+  testing_api_cmd_purse_delete.c \
   testing_api_cmd_purse_deposit.c \
   testing_api_cmd_purse_get.c \
   testing_api_cmd_purse_merge.c \

src/testing/testing_api_cmd_purse_delete.c

@@ -0,0 +1,190 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2020 Taler Systems SA
+
+  TALER 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.
+
+  TALER 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 TALER; see the file COPYING.  If not, see
+  <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file testing/testing_api_cmd_purse_delete.c
+ * @brief command for testing /management/purse/disable.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_testing_lib.h"
+#include "taler_signatures.h"
+#include "backoff.h"
+
+
+/**
+ * State for a "purse_delete" CMD.
+ */
+struct PurseDeleteState
+{
+
+  /**
+   * Purse delete handle while operation is running.
+   */
+  struct TALER_EXCHANGE_PurseDeleteHandle *pdh;
+
+  /**
+   * Our interpreter.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int expected_response_code;
+
+  /**
+   * Command that created the purse we now want to
+   * delete.
+   */
+  const char *purse_cmd;
+};
+
+
+/**
+ * Callback to analyze the DELETE /purses/$PID response, just used to check if
+ * the response code is acceptable.
+ *
+ * @param cls closure.
+ * @param pdr HTTP response details
+ */
+static void
+purse_delete_cb (void *cls,
+                 const struct TALER_EXCHANGE_PurseDeleteResponse *pdr)
+{
+  struct PurseDeleteState *pds = cls;
+
+  pds->pdh = NULL;
+  if (pds->expected_response_code != pdr->hr.http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u to command %s in %s:%u\n",
+                pdr->hr.http_status,
+                pds->is->commands[pds->is->ip].label,
+                __FILE__,
+                __LINE__);
+    json_dumpf (pdr->hr.reply,
+                stderr,
+                0);
+    TALER_TESTING_interpreter_fail (pds->is);
+    return;
+  }
+  TALER_TESTING_interpreter_next (pds->is);
+}
+
+
+/**
+ * Run the command.
+ *
+ * @param cls closure.
+ * @param cmd the command to execute.
+ * @param is the interpreter state.
+ */
+static void
+purse_delete_run (void *cls,
+                  const struct TALER_TESTING_Command *cmd,
+                  struct TALER_TESTING_Interpreter *is)
+{
+  struct PurseDeleteState *pds = cls;
+  const struct TALER_PurseContractPrivateKeyP *purse_priv;
+  const struct TALER_TESTING_Command *ref;
+
+  (void) cmd;
+  ref = TALER_TESTING_interpreter_lookup_command (is,
+                                                  pds->purse_cmd);
+  if (NULL == ref)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  if (GNUNET_OK !=
+      TALER_TESTING_get_trait_purse_priv (ref,
+                                          &purse_priv))
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  pds->is = is;
+  pds->pdh = TALER_EXCHANGE_purse_delete (
+    is->exchange,
+    purse_priv,
+    &purse_delete_cb,
+    pds);
+  if (NULL == pds->pdh)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+}
+
+
+/**
+ * Free the state of a "purse_delete" CMD, and possibly cancel a
+ * pending operation thereof.
+ *
+ * @param cls closure, must be a `struct PurseDeleteState`.
+ * @param cmd the command which is being cleaned up.
+ */
+static void
+purse_delete_cleanup (void *cls,
+                      const struct TALER_TESTING_Command *cmd)
+{
+  struct PurseDeleteState *pds = cls;
+
+  if (NULL != pds->pdh)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Command %u (%s) did not complete\n",
+                pds->is->ip,
+                cmd->label);
+    TALER_EXCHANGE_purse_delete_cancel (pds->pdh);
+    pds->pdh = NULL;
+  }
+  GNUNET_free (pds);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_purse_delete (const char *label,
+                                unsigned int expected_http_status,
+                                const char *purse_cmd)
+{
+  struct PurseDeleteState *ds;
+
+  ds = GNUNET_new (struct PurseDeleteState);
+  ds->expected_response_code = expected_http_status;
+  ds->purse_cmd = purse_cmd;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ds,
+      .label = label,
+      .run = &purse_delete_run,
+      .cleanup = &purse_delete_cleanup
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_purse_delete.c */

src/testing/testing_api_cmd_withdraw.c

@@ -360,14 +360,12 @@ withdraw_run (void *cls,
     = TALER_TESTING_interpreter_lookup_command (
         is,
         ws->reserve_reference);
-
   if (NULL == create_reserve)
   {
     GNUNET_break (0);
     TALER_TESTING_interpreter_fail (is);
     return;
   }
-
   if (GNUNET_OK !=
       TALER_TESTING_get_trait_reserve_priv (create_reserve,
                                             &rp))
@@ -376,7 +374,6 @@ withdraw_run (void *cls,
     TALER_TESTING_interpreter_fail (is);
     return;
   }
-
   if (NULL == ws->exchange_url)
     ws->exchange_url
       = GNUNET_strdup (TALER_EXCHANGE_get_base_url (is->exchange));