major libtalertesting API refactoring, including no longer having taler-specific logic in the test engine core

1 files changed, 191 insertions, 0 deletions

diff --git a/src/testing/testing_api_cmd_connect_with_state.c b/src/testing/testing_api_cmd_connect_with_state.c
new file mode 100644
index 000000000..95e860f17
--- /dev/null
+++ b/src/testing/testing_api_cmd_connect_with_state.c
@@ -0,0 +1,191 @@
+/*
+  This file is part of TALER
+  (C) 2018-2023 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_connect_with_state.c
+ * @brief Lets tests use the keys deserialization API.
+ * @author Marcello Stanisci
+ */
+#include "platform.h"
+#include <jansson.h>
+#include "taler_testing_lib.h"
+
+
+/**
+ * Internal state for a connect-with-state CMD.
+ */
+struct ConnectWithStateState
+{
+
+  /**
+   * Reference to a CMD that offers a serialized key-state
+   * that will be used in the reconnection.
+   */
+  const char *state_reference;
+
+  /**
+   * Interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * New exchange handle.
+   */
+  struct TALER_EXCHANGE_Handle *exchange;
+};
+
+
+static void
+cert_cb (void *cls,
+         const struct TALER_EXCHANGE_KeysResponse *kr)
+{
+  struct ConnectWithStateState *cwss = cls;
+  struct TALER_TESTING_Interpreter *is = cwss->is;
+  const struct TALER_EXCHANGE_HttpResponse *hr = &kr->hr;
+
+  switch (hr->http_status)
+  {
+  case MHD_HTTP_OK:
+    /* dealt with below */
+    break;
+  default:
+    GNUNET_break (0);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Got failure response %u/%d for /keys!\n",
+                hr->http_status,
+                (int) hr->ec);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Got %d DK from /keys\n",
+              kr->details.ok.keys->num_denom_keys);
+  TALER_TESTING_interpreter_next (is);
+}
+
+
+/**
+ * Run the command.
+ *
+ * @param cls closure.
+ * @param cmd the command to execute.
+ * @param is the interpreter state.
+ */
+static void
+connect_with_state_run (void *cls,
+                        const struct TALER_TESTING_Command *cmd,
+                        struct TALER_TESTING_Interpreter *is)
+{
+  struct ConnectWithStateState *cwss = cls;
+  const struct TALER_TESTING_Command *state_cmd;
+  const json_t *serialized_keys;
+  const char *exchange_url;
+
+  cwss->is = is;
+  state_cmd = TALER_TESTING_interpreter_lookup_command (is,
+                                                        cwss->state_reference);
+  if (NULL == state_cmd)
+  {
+    /* Command providing serialized keys not found.  */
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  GNUNET_assert (GNUNET_OK ==
+                 TALER_TESTING_get_trait_exchange_keys (state_cmd,
+                                                        &serialized_keys));
+  GNUNET_assert (GNUNET_OK ==
+                 TALER_TESTING_get_trait_exchange_url (state_cmd,
+                                                       &exchange_url));
+  cwss->exchange
+    = TALER_EXCHANGE_connect (
+        TALER_TESTING_interpreter_get_context (is),
+        exchange_url,
+        &cert_cb,
+        cwss,
+        TALER_EXCHANGE_OPTION_DATA,
+        serialized_keys,
+        TALER_EXCHANGE_OPTION_END);
+}
+
+
+/**
+ * Offer exchange connection as trait.
+ *
+ * @param cls closure.
+ * @param[out] ret result.
+ * @param trait name of the trait.
+ * @param index index number of the object to offer.
+ * @return #GNUNET_OK on success.
+ */
+static enum GNUNET_GenericReturnValue
+connect_with_state_traits (void *cls,
+                           const void **ret,
+                           const char *trait,
+                           unsigned int index)
+{
+  struct ConnectWithStateState *cwss = cls;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_exchange (cwss->exchange),
+    TALER_TESTING_trait_end ()
+  };
+
+  return TALER_TESTING_get_trait (traits,
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+/**
+ * Cleanup the state of a "connect with state" CMD.  Just
+ * a placeholder to avoid jumping on an invalid address.
+ *
+ * @param cls closure.
+ * @param cmd the command which is being cleaned up.
+ */
+static void
+connect_with_state_cleanup (void *cls,
+                            const struct TALER_TESTING_Command *cmd)
+{
+  struct ConnectWithStateState *cwss = cls;
+
+  GNUNET_free (cwss);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_connect_with_state (const char *label,
+                                      const char *state_reference)
+{
+  struct ConnectWithStateState *cwss;
+
+  cwss = GNUNET_new (struct ConnectWithStateState);
+  cwss->state_reference = state_reference;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = cwss,
+      .label = label,
+      .run = connect_with_state_run,
+      .cleanup = connect_with_state_cleanup,
+      .traits = connect_with_state_traits
+    };
+
+    return cmd;
+  }
+}