summaryrefslogtreecommitdiff
path: root/src/bank-lib/testing_api_helpers.c
blob: f61f66649e52ad061d6cffc913234b6a8390e56b (plain)
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
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
/*
  This file is part of TALER
  Copyright (C) 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
  <http://www.gnu.org/licenses/>
*/

/**
 * @file bank-lib/testing_api_helpers.c
 * @brief convenience functions for bank-lib tests.
 * @author Marcello Stanisci
 */

#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include "taler_testing_bank_lib.h"

/* Keep each bank account credentials at index:
 * bank account number - 1 */
struct TALER_BANK_AuthenticationData AUTHS[] = {

  /* Bank credentials */
  {.method = TALER_BANK_AUTH_BASIC,
   .details.basic.username = BANK_USERNAME,
   .details.basic.password = BANK_PASSWORD},

  /* Exchange credentials */
  {.method = TALER_BANK_AUTH_BASIC,
   .details.basic.username = EXCHANGE_USERNAME,
   .details.basic.password = EXCHANGE_PASSWORD },

  /* User credentials */
  {.method = TALER_BANK_AUTH_BASIC,
   .details.basic.username = USER_USERNAME,
   .details.basic.password = USER_PASSWORD } 
};

/**
 * Start the (Python) bank process.  Assume the port
 * is available and the database is clean.  Use the "prepare
 * bank" function to do such tasks.
 *
 * @param config_filename configuration filename.
 * @param bank_url base URL of the bank, used by `wget' to check
 *        that the bank was started right.
 *
 * @return the process, or NULL if the process could not
 *         be started.
 */
struct GNUNET_OS_Process *
TALER_TESTING_run_bank (const char *config_filename,
                        const char *bank_url)
{
  struct GNUNET_OS_Process *bank_proc;
  unsigned int iter;
  char *wget_cmd;
  char *database;
  char *serve_cfg;
  char *serve_arg;
  struct GNUNET_CONFIGURATION_Handle *cfg;


  cfg = GNUNET_CONFIGURATION_create ();
  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_load (cfg,
                                 config_filename))
  {
    GNUNET_break (0);
    GNUNET_CONFIGURATION_destroy (cfg);
    exit (77);
  }

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (cfg,
                                             "bank",
                                             "database",
                                             &database))
  {
    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING,
                               "bank",
                               "database");
    GNUNET_break (0);
    GNUNET_CONFIGURATION_destroy (cfg);
    exit (77);
  }

  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_string (cfg,
                                             "bank",
                                             "serve",
                                             &serve_cfg))
  {
    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_WARNING,
                               "bank",
                               "serve");
    GNUNET_break (0);
    GNUNET_CONFIGURATION_destroy (cfg);
    exit (77);
  }

  serve_arg = "serve-http";
  if (0 != strcmp ("http", serve_cfg))
    serve_arg = "serve-uwsgi";

  bank_proc = GNUNET_OS_start_process
    (GNUNET_NO,
     GNUNET_OS_INHERIT_STD_ALL,
     NULL, NULL, NULL,
     "taler-bank-manage",
     "taler-bank-manage",
     "-c", config_filename,
     "--with-db", database,
     serve_arg, NULL);
  if (NULL == bank_proc)
    BANK_FAIL ();

  GNUNET_asprintf (&wget_cmd,
                   "wget -q -t 1 -T 1 %s"
                   " -o /dev/null -O /dev/null",
                   bank_url);

  /* give child time to start and bind against the socket */
  fprintf (stderr,
           "Waiting for `taler-bank-manage' to be ready");
  iter = 0;
  do
    {
      if (10 == iter)
      {
	fprintf (
          stderr,
	  "Failed to launch `taler-bank-manage' (or `wget')\n");
	GNUNET_OS_process_kill (bank_proc,
				SIGTERM);
	GNUNET_OS_process_wait (bank_proc);
	GNUNET_OS_process_destroy (bank_proc);
	BANK_FAIL ();
      }
      fprintf (stderr, ".");
      sleep (1);
      iter++;
    }
  while (0 != system (wget_cmd));
  fprintf (stderr, "\n");

  return bank_proc;

}


/**
 * Prepare the bank execution.  Check if the port is available
 * and reset database.
 *
 * @param config_filename configuration file name.
 *
 * @return the base url, or NULL upon errors.  Must be freed
 *         by the caller.
 */
char *
TALER_TESTING_prepare_bank (const char *config_filename)
{
  struct GNUNET_CONFIGURATION_Handle *cfg;
  unsigned long long port;
  struct GNUNET_OS_Process *dbreset_proc;
  enum GNUNET_OS_ProcessStatusType type;
  unsigned long code;
  char *base_url;
  char *database;

  cfg = GNUNET_CONFIGURATION_create ();

  if (GNUNET_OK != GNUNET_CONFIGURATION_load
      (cfg, config_filename))
    BANK_FAIL ();

  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string
    (cfg, "bank", "DATABASE", &database))
  {
    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                               "bank",
                               "DATABASE");
    GNUNET_CONFIGURATION_destroy (cfg);
    BANK_FAIL ();
  }

  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_number
    (cfg, "bank", "HTTP_PORT", &port))
  {
    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                               "bank",
                               "HTTP_PORT");
    GNUNET_CONFIGURATION_destroy (cfg);
    BANK_FAIL ();
  }
  GNUNET_CONFIGURATION_destroy (cfg);

  if (GNUNET_OK != GNUNET_NETWORK_test_port_free
    (IPPROTO_TCP, (uint16_t) port))
  {
    fprintf (stderr,
             "Required port %llu not available, skipping.\n",
	     port);
    BANK_FAIL ();
  }

  /* DB preparation */
  if (NULL ==
     (dbreset_proc = GNUNET_OS_start_process (
       GNUNET_NO,
       GNUNET_OS_INHERIT_STD_ALL,
       NULL, NULL, NULL,
       "taler-bank-manage",
       "taler-bank-manage",
       "-c", "bank.conf",
       "--with-db", database,
       "django",
       "flush",
       "--no-input", NULL)))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Failed to flush the bank db.\n");
    BANK_FAIL ();
  }

  if (GNUNET_SYSERR ==
      GNUNET_OS_process_wait_status (dbreset_proc,
                                     &type,
                                     &code))
  {
    GNUNET_OS_process_destroy (dbreset_proc);
    BANK_FAIL ();
  }
  if ( (type == GNUNET_OS_PROCESS_EXITED) &&
       (0 != code) )
  {
    fprintf (stderr,
             "Failed to setup database\n");
    BANK_FAIL ();
  }
  if ( (type != GNUNET_OS_PROCESS_EXITED) ||
       (0 != code) )
  {
    fprintf (stderr,
             "Unexpected error running"
             " `taler-bank-manage django flush..'!\n");
    BANK_FAIL ();
  }

  GNUNET_OS_process_destroy (dbreset_proc);

  GNUNET_asprintf (&base_url,
                   "http://localhost:%llu/",
                   port);
  return base_url;
}


/* end of testing_api_helpers.c */