From fe6960cce854cd4c665a27c4368e4397c8e7bcfb Mon Sep 17 00:00:00 2001 From: Marcello Stanisci Date: Tue, 23 Jan 2018 10:28:24 +0100 Subject: Implement new traits-based tests. --- src/exchange-lib/testing_api_cmd_refund.c | 295 ++++++++++++++++++++++++++++++ 1 file changed, 295 insertions(+) create mode 100644 src/exchange-lib/testing_api_cmd_refund.c (limited to 'src/exchange-lib/testing_api_cmd_refund.c') diff --git a/src/exchange-lib/testing_api_cmd_refund.c b/src/exchange-lib/testing_api_cmd_refund.c new file mode 100644 index 000000000..a092ee2d2 --- /dev/null +++ b/src/exchange-lib/testing_api_cmd_refund.c @@ -0,0 +1,295 @@ +/* + This file is part of TALER + Copyright (C) 2014-2018 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 + +*/ + +/** + * @file exchange/testing_api_cmd_refund.c + * @brief Implement the /refund test command, plus other + * corollary commands (?). + * @author Marcello Stanisci + */ + +#include "platform.h" +#include "taler_json_lib.h" +#include +#include "exchange_api_handle.h" +#include "taler_testing_lib.h" + +struct RefundState +{ + /** + * Expected HTTP response code. + */ + unsigned int expected_response_code; + + /** + * Amount to be refunded. + */ + const char *refund_amount; + + /** + * Expected refund fee. + */ + const char *refund_fee; + + /** + * Reference to any command that can provide a coin to refund. + */ + const char *coin_reference; + + /** + * Refund transaction identifier. Left un-initialized in the + * old test-suite. What's the best way to init it? + */ + uint64_t refund_transaction_id; + + /** + * Connection to the exchange. + */ + struct TALER_EXCHANGE_Handle *exchange; + + /** + * Handle to the refund operation. + */ + struct TALER_EXCHANGE_RefundHandle *rh; + + /** + * Interpreter state. + */ + struct TALER_TESTING_Interpreter *is; +}; + + +/** + * Check the result for the refund request. + * + * @param cls closure + * @param http_status HTTP response code, #MHD_HTTP_OK (200) for + * successful deposit; 0 if the exchange's reply is bogus + * (fails to follow the protocol). + * @param ec taler-specific error code, #TALER_EC_NONE on success + * @param exchange_pub public key the exchange used for signing @a + * obj + * @param obj the received JSON reply, should be kept as proof + * (and, in particular, be forwarded to the customer) + */ +static void +refund_cb (void *cls, + unsigned int http_status, + enum TALER_ErrorCode ec, + const struct TALER_ExchangePublicKeyP *exchange_pub, + const json_t *obj) +{ + + struct RefundState *rs = cls; + struct TALER_TESTING_Command *refund_cmd; + + refund_cmd = &rs->is->commands[rs->is->ip]; + rs->rh = NULL; + if (rs->expected_response_code != http_status) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Unexpected response code %u to command %s\n", + http_status, + refund_cmd->label); + json_dumpf (obj, stderr, 0); + TALER_TESTING_interpreter_fail (rs->is); + return; + } + + switch (http_status) + { + case MHD_HTTP_OK: + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Good /refund status code\n"); + break; + default: + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "Unmanaged HTTP status code: %u, command: %s\n", + http_status, refund_cmd->label); + } + + TALER_TESTING_interpreter_next (rs->is); +} + +/** + * Run the command. + * + * @param cls closure, typically a #struct WireState. + * @param cmd the command to execute, a /wire one. + * @param i the interpreter state. + */ +void +refund_run (void *cls, + const struct TALER_TESTING_Command *cmd, + struct TALER_TESTING_Interpreter *is) +{ + struct RefundState *rs = cls; + struct TALER_CoinSpendPrivateKeyP *coin_priv; + struct TALER_CoinSpendPublicKeyP coin; + const char *contract_terms; + struct GNUNET_HashCode h_contract_terms; + json_t *j_contract_terms; + struct TALER_Amount refund_fee; + struct TALER_Amount refund_amount; + const struct GNUNET_CRYPTO_EddsaPrivateKey *merchant_priv; + const struct TALER_TESTING_Command *coin_cmd; + + rs->exchange = is->exchange; + rs->is = is; + + if (GNUNET_OK != + TALER_string_to_amount (rs->refund_amount, + &refund_amount)) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed to parse amount `%s' at %u/%s\n", + rs->refund_amount, + is->ip, + cmd->label); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_string_to_amount (rs->refund_fee, + &refund_fee)) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed to parse amount `%s' at %u/%s\n", + rs->refund_fee, + is->ip, + cmd->label); + TALER_TESTING_interpreter_fail (is); + return; + } + + coin_cmd = TALER_TESTING_interpreter_lookup_command + (is, rs->coin_reference); + + if (NULL == coin_cmd) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + + if (GNUNET_OK != TALER_TESTING_get_trait_contract_terms + (coin_cmd, 0, &contract_terms)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + + j_contract_terms = json_loads + (contract_terms, JSON_REJECT_DUPLICATES, NULL); + + /* Very unlikely to fail */ + GNUNET_assert (NULL != j_contract_terms); + GNUNET_assert (GNUNET_OK == TALER_JSON_hash + (j_contract_terms, &h_contract_terms)); + + json_decref (j_contract_terms); + + /* Hunting for a coin .. */ + if (GNUNET_OK != TALER_TESTING_get_trait_coin_priv + (coin_cmd, 0, &coin_priv)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + + GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv, + &coin.eddsa_pub); + if (GNUNET_OK != TALER_TESTING_get_trait_peer_key + (coin_cmd, 0, &merchant_priv)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + + rs->rh = TALER_EXCHANGE_refund + (rs->exchange, &refund_amount, &refund_fee, &h_contract_terms, + &coin, rs->refund_transaction_id, + (const struct TALER_MerchantPrivateKeyP *) merchant_priv, + &refund_cb, rs); + + GNUNET_assert (NULL != rs->rh); +} + + +/** + * Cleanup the state. + * + * @param cls closure, typically a #struct WireState. + * @param cmd the command which is being cleaned up. + */ +void +refund_cleanup (void *cls, + const struct TALER_TESTING_Command *cmd) +{ + struct RefundState *rs = cls; + + if (NULL != rs->rh) + { + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "Command %u (%s) did not complete\n", + rs->is->ip, + cmd->label); + TALER_EXCHANGE_refund_cancel (rs->rh); + rs->rh = NULL; + } + GNUNET_free (rs); +} + +/** + * Create a /refund test command. + * + * @param label command label + * @param expected_response_code expected HTTP status code + * @param refund_amount the amount to ask a refund for + * @param refund_fee expected refund fee + * @param coin_reference reference to a command that can + * provide a coin to be refunded. + */ +struct TALER_TESTING_Command +TALER_TESTING_cmd_refund (const char *label, + unsigned int expected_response_code, + const char *refund_amount, + const char *refund_fee, + const char *coin_reference) +{ + struct RefundState *rs; + struct TALER_TESTING_Command cmd; + + rs = GNUNET_new (struct RefundState); + + rs->expected_response_code = expected_response_code; + rs->refund_amount = refund_amount; + rs->refund_fee = refund_fee; + rs->coin_reference = coin_reference; + + cmd.cls = rs; + cmd.label = label; + cmd.run = &refund_run; + cmd.cleanup = &refund_cleanup; + + return cmd; +} -- cgit v1.2.3