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/*
This file is part of TALER
(C) 2015, 2016 GNUnet e.V.
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, If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file pq/test_pq.c
* @brief Tests for Postgres convenience API
* @author Christian Grothoff <christian@grothoff.org>
*/
#include "platform.h"
#include "taler_util.h"
#include "taler_pq_lib.h"
/**
* Setup prepared statements.
*
* @param db_conn connection handle to initialize
* @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
static int
postgres_prepare (PGconn *db_conn)
{
PGresult *result;
#define PREPARE(name, sql, ...) \
do { \
result = PQprepare (db_conn, name, sql, __VA_ARGS__); \
if (PGRES_COMMAND_OK != PQresultStatus (result)) \
{ \
GNUNET_break (0); \
PQclear (result); result = NULL; \
return GNUNET_SYSERR; \
} \
PQclear (result); result = NULL; \
} while (0);
PREPARE ("test_insert",
"INSERT INTO test_pq ("
" hamount_val"
",hamount_frac"
",hamount_curr"
",namount_val"
",namount_frac"
",namount_curr"
",json"
") VALUES "
"($1, $2, $3, $4, $5, $6,"
"$7);",
7, NULL);
PREPARE ("test_select",
"SELECT"
" hamount_val"
",hamount_frac"
",hamount_curr"
",namount_val"
",namount_frac"
",namount_curr"
",json"
" FROM test_pq;",
0, NULL);
return GNUNET_OK;
#undef PREPARE
}
/**
* Run actual test queries.
*
* @return 0 on success
*/
static int
run_queries (PGconn *conn)
{
struct TALER_Amount hamount;
struct TALER_Amount hamount2;
struct TALER_AmountNBO namount;
struct TALER_AmountNBO namount2;
PGresult *result;
int ret;
json_t *json;
json_t *json2;
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:5.5",
&hamount));
TALER_amount_hton (&namount,
&hamount);
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:4.4",
&hamount));
json = json_object ();
json_object_set (json, "foo", json_integer (42));
GNUNET_assert (NULL != json);
/* FIXME: test GNUNET_PQ_result_spec_variable_size */
{
struct GNUNET_PQ_QueryParam params_insert[] = {
TALER_PQ_query_param_amount (&hamount),
TALER_PQ_query_param_amount_nbo (&namount),
TALER_PQ_query_param_json (json),
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_QueryParam params_select[] = {
GNUNET_PQ_query_param_end
};
struct GNUNET_PQ_ResultSpec results_select[] = {
TALER_PQ_result_spec_amount ("hamount", &hamount2),
TALER_PQ_result_spec_amount_nbo ("namount", &namount2),
TALER_PQ_result_spec_json ("json", &json2),
GNUNET_PQ_result_spec_end
};
result = GNUNET_PQ_exec_prepared (conn,
"test_insert",
params_insert);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Database failure: %s\n",
PQresultErrorMessage (result));
PQclear (result);
return 1;
}
PQclear (result);
result = GNUNET_PQ_exec_prepared (conn,
"test_select",
params_select);
if (1 !=
PQntuples (result))
{
GNUNET_break (0);
PQclear (result);
return 1;
}
ret = GNUNET_PQ_extract_result (result,
results_select,
0);
GNUNET_break (0 ==
TALER_amount_cmp (&hamount,
&hamount2));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:5.5",
&hamount));
TALER_amount_ntoh (&hamount2,
&namount2);
GNUNET_break (0 ==
TALER_amount_cmp (&hamount,
&hamount2));
GNUNET_break (42 == json_integer_value (json_object_get (json2, "foo")));
json_decref (json2);
GNUNET_PQ_cleanup_result (results_select);
PQclear (result);
}
if (GNUNET_OK != ret)
return 1;
return 0;
}
int
main(int argc,
const char *const argv[])
{
PGconn *conn;
PGresult *result;
int ret;
GNUNET_log_setup ("test-pq",
"WARNING",
NULL);
conn = PQconnectdb ("postgres:///talercheck");
if (CONNECTION_OK != PQstatus (conn))
{
fprintf (stderr,
"Cannot run test, database connection failed: %s\n",
PQerrorMessage (conn));
GNUNET_break (0);
PQfinish (conn);
return 0; /* We ignore this type of error... */
}
result = PQexec (conn,
"CREATE TEMPORARY TABLE IF NOT EXISTS test_pq ("
" hamount_val INT8 NOT NULL"
",hamount_frac INT4 NOT NULL"
",hamount_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
",namount_val INT8 NOT NULL"
",namount_frac INT4 NOT NULL"
",namount_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
",json VARCHAR NOT NULL"
")");
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
fprintf (stderr,
"Failed to create table: %s\n",
PQerrorMessage (conn));
PQclear (result);
PQfinish (conn);
return 1;
}
PQclear (result);
if (GNUNET_OK !=
postgres_prepare (conn))
{
GNUNET_break (0);
PQfinish (conn);
return 1;
}
ret = run_queries (conn);
result = PQexec (conn,
"DROP TABLE test_pq");
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
fprintf (stderr,
"Failed to create table: %s\n",
PQerrorMessage (conn));
PQclear (result);
PQfinish (conn);
return 1;
}
PQclear (result);
PQfinish (conn);
return ret;
}
/* end of test_pq.c */
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