1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/*
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, 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"
",namount_val"
",namount_frac"
",json"
") VALUES "
"($1, $2, $3, $4, $5);",
5, NULL);
PREPARE ("test_select",
"SELECT"
" hamount_val"
",hamount_frac"
",namount_val"
",namount_frac"
",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_new (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
};
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);
}
{
struct GNUNET_PQ_QueryParam params_select[] = {
GNUNET_PQ_query_param_end
};
result = GNUNET_PQ_exec_prepared (conn,
"test_select",
params_select);
if (1 !=
PQntuples (result))
{
GNUNET_break (0);
PQclear (result);
return 1;
}
}
{
struct GNUNET_PQ_ResultSpec results_select[] = {
TALER_PQ_result_spec_amount ("hamount", "EUR", &hamount2),
TALER_PQ_result_spec_amount_nbo ("namount", "EUR", &namount2),
TALER_PQ_result_spec_json ("json", &json2),
GNUNET_PQ_result_spec_end
};
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")));
GNUNET_PQ_cleanup_result (results_select);
PQclear (result);
}
json_decref (json);
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"
",namount_val INT8 NOT NULL"
",namount_frac INT4 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 */
|
