t/utils/channel_test.c

   1 /*
   2  * SysDB - t/utils/channel_test.c
   3  * Copyright (C) 2013 Sebastian 'tokkee' Harl <sh@tokkee.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "utils/channel.h"
  29 #include "libsysdb_test.h"
  30
  31 #include <check.h>
  32 #include <errno.h>
  33 #include <limits.h>
  34
  35 #include <stdint.h>
  36
  37 static struct {
  38         int data;
  39         int expected_write;
  40         int expected_read;
  41 } golden_data_int[] = {
  42         { 5,       0, 0 },
  43         { 15,      0, 0 },
  44         { -3,      0, 0 },
  45         { INT_MAX, 0, 0 },
  46         { 27,      0, 0 },
  47         { 42,      0, 0 },
  48         { 6,       0, 0 },
  49         { 2854,    0, 0 },
  50         { 10562,   0, 0 },
  51         { 0,       0, 0 },
  52
  53         /* exceeding buffer size */
  54         { 20, -1, -1 },
  55         { 42, -1, -1 },
  56 };
  57
  58 static struct {
  59         char *data;
  60         int   expected_write;
  61         int   expected_read;
  62 } golden_data_string[] = {
  63         { "c",      0, 0 },
  64         { "",       0, 0 },
  65         { "abc",    0, 0 },
  66         { "foobar", 0, 0 },
  67         { "qux",    0, 0 },
  68         { "a b c",  0, 0 },
  69         { "123",    0, 0 },
  70         { "xyz",    0, 0 },
  71         { "b",      0, 0 },
  72         { "a",      0, 0 },
  73
  74         /* exceeding buffer size */
  75         { "err1", -1, -1 },
  76         { "err2", -1, -1 },
  77 };
  78
  79 static sdb_channel_t *chan;
  80
  81 static void
  82 setup_int(void)
  83 {
  84         chan = sdb_channel_create(10, sizeof(int));
  85         fail_unless(chan != NULL,
  86                         "sdb_channel_create(10, sizeof(int)) = NULL; "
  87                         "expected list object");
  88 } /* setup_int */
  89
  90 static void
  91 setup_string(void)
  92 {
  93         chan = sdb_channel_create(10, sizeof(char *));
  94         fail_unless(chan != NULL,
  95                         "sdb_chan_create(10, sizeof(char *))) = NULL; "
  96                         "expected channel object");
  97 } /* setup_string */
  98
  99 static void
 100 teardown(void)
 101 {
 102         sdb_channel_destroy(chan);
 103         chan = NULL;
 104 } /* teardown */
 105
 106 START_TEST(test_create)
 107 {
 108         chan = sdb_channel_create(0, 0);
 109         fail_unless(chan == NULL,
 110                         "sdb_channel_create(0, 0) = %p; expected: NULL", chan);
 111
 112         chan = sdb_channel_create(0, 1);
 113         fail_unless(chan != NULL,
 114                         "sdb_channel_create(0, 1) = NULL; expected: channel object");
 115         sdb_channel_destroy(chan);
 116
 117         chan = sdb_channel_create(42, 23);
 118         fail_unless(chan != NULL,
 119                         "sdb_channel_create(32, 23) = NULL; expected: channel object");
 120         sdb_channel_destroy(chan);
 121 }
 122 END_TEST
 123
 124 START_TEST(test_write_read)
 125 {
 126         uint32_t data;
 127         int check;
 128
 129         chan = sdb_channel_create(0, 1);
 130         fail_unless(chan != NULL,
 131                         "sdb_channel_create(0, 0) = NULL; expected: channel object");
 132
 133         data = 0x00ffff00;
 134         check = sdb_channel_write(chan, &data);
 135         fail_unless(!check, "sdb_channel_write() = %i; expected: 0", check);
 136         check = sdb_channel_write(chan, &data);
 137         fail_unless(check, "sdb_channel_write() = 0; expected: <0");
 138
 139         data = 0xffffffff;
 140         check = sdb_channel_read(chan, &data);
 141         /* result depends on endianess */
 142         fail_unless((data == 0xffffff00) || (data == 0x00ffffff),
 143                         "sdb_channel_read() returned data %x; "
 144                         "expected: 0xffffff00 || 0x00ffffff", data);
 145
 146         sdb_channel_destroy(chan);
 147 }
 148 END_TEST
 149
 150 START_TEST(test_select)
 151 {
 152         struct timespec ts = { 0, 10 };
 153         int check;
 154         int data;
 155
 156         chan = sdb_channel_create(0, 1);
 157
 158         check = sdb_channel_select(chan, &data, NULL, NULL, NULL, &ts);
 159         fail_unless(check == ETIMEDOUT,
 160                         "sdb_channel_select() = %i; expected: %i (ETIMEDOUT)",
 161                         check, ETIMEDOUT);
 162
 163         check = sdb_channel_select(chan, NULL, NULL, &data, NULL, NULL);
 164         fail_unless(! check, "sdb_channel_select() = %i; expected: 0", check);
 165         check = sdb_channel_select(chan, NULL, NULL, &data, NULL, &ts);
 166         fail_unless(! check, "sdb_channel_select() = %i; expected: 0", check);
 167
 168         sdb_channel_destroy(chan);
 169 }
 170 END_TEST
 171
 172 START_TEST(test_write_int)
 173 {
 174         size_t i;
 175         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 176                 int data = golden_data_int[i].data;
 177                 int expected = golden_data_int[i].expected_write;
 178
 179                 int check = sdb_channel_write(chan, &data);
 180                 fail_unless(check == expected,
 181                                 "sdb_channel_write(chan, %i) = %i; expected: %i",
 182                                 data, check, expected);
 183         }
 184 }
 185 END_TEST
 186
 187 START_TEST(test_read_int)
 188 {
 189         size_t i;
 190
 191         /* populate */
 192         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 193                 int data = golden_data_int[i].data;
 194                 int expected = golden_data_int[i].expected_write;
 195
 196                 int check = sdb_channel_write(chan, &data);
 197                 fail_unless(check == expected,
 198                                 "sdb_channel_write(chan, %i) = %i; expected: %i",
 199                                 data, check, expected);
 200         }
 201
 202         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 203                 int data = (int)i;
 204                 int expected = golden_data_int[i].expected_read;
 205
 206                 int check = sdb_channel_read(chan, &data);
 207                 fail_unless(check == expected,
 208                                 "sdb_channel_read(chan, %i) = %i; expected: %i",
 209                                 data, check, expected);
 210                 if (check) {
 211                         fail_unless(data == (int)i,
 212                                         "sdb_channel_read() modified data to '%i'; "
 213                                         "expected: no modification", data);
 214                 }
 215                 else {
 216                         fail_unless(data == golden_data_int[i].data,
 217                                         "sdb_channel_read() returned data %i; expected: %i",
 218                                         data, golden_data_int[i].data);
 219                 }
 220         }
 221 }
 222 END_TEST
 223
 224 START_TEST(test_write_read_int)
 225 {
 226         size_t i;
 227         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 228                 int data = golden_data_int[i].data;
 229                 int check = sdb_channel_write(chan, &data);
 230                 fail_unless(check == 0,
 231                                 "sdb_channel_write(chan, %i) = %i; expected: 0",
 232                                 data, check);
 233
 234                 data = (int)i;
 235                 check = sdb_channel_read(chan, &data);
 236                 fail_unless(check == 0,
 237                                 "sdb_channel_read(chan, %i) = %i; expected: 0",
 238                                 data, check);
 239                 if (check) {
 240                         fail_unless(data == (int)i,
 241                                         "sdb_channel_read() modified data to '%i'; "
 242                                         "expected: no modification", data);
 243                 }
 244                 else {
 245                         fail_unless(data == golden_data_int[i].data,
 246                                         "sdb_channel_read() returned data %i; expected: %i",
 247                                         data, golden_data_int[i].data);
 248                 }
 249         }
 250 }
 251 END_TEST
 252
 253 START_TEST(test_write_string)
 254 {
 255         size_t i;
 256         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 257                 char *data = golden_data_string[i].data;
 258                 int expected = golden_data_string[i].expected_write;
 259
 260                 int check = sdb_channel_write(chan, &data);
 261                 fail_unless(check == expected,
 262                                 "sdb_channel_write(chan, '%s') = %i; expected: %i",
 263                                 data, check, expected);
 264         }
 265 }
 266 END_TEST
 267
 268 START_TEST(test_read_string)
 269 {
 270         size_t i;
 271
 272         /* populate */
 273         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 274                 char *data = golden_data_string[i].data;
 275                 int expected = golden_data_string[i].expected_write;
 276
 277                 int check = sdb_channel_write(chan, &data);
 278                 fail_unless(check == expected,
 279                                 "sdb_channel_write(chan, '%s') = %i; expected: %i",
 280                                 data, check, expected);
 281         }
 282
 283         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 284                 char *data = NULL;
 285                 int expected = golden_data_string[i].expected_read;
 286
 287                 int check = sdb_channel_read(chan, &data);
 288                 fail_unless(check == expected,
 289                                 "sdb_channel_read(chan, '') = %i; expected: %i",
 290                                 check, expected);
 291                 if (check) {
 292                         fail_unless(data == NULL,
 293                                         "sdb_channel_read() modified data to '%s'; "
 294                                         "expected: no modification", data);
 295                 }
 296                 else {
 297                         fail_unless(data != NULL,
 298                                         "sdb_channel_read() did not return any data");
 299                         fail_unless(!strcmp(data, golden_data_string[i].data),
 300                                         "sdb_channel_read() returned data '%s'; expected: '%s'",
 301                                         data, golden_data_string[i].data);
 302                 }
 303         }
 304 }
 305 END_TEST
 306
 307 START_TEST(test_write_read_string)
 308 {
 309         size_t i;
 310         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 311                 char *data = golden_data_string[i].data;
 312                 int check = sdb_channel_write(chan, &data);
 313                 fail_unless(check == 0,
 314                                 "sdb_channel_write(chan, '%s') = %i; expected: 0",
 315                                 data, check);
 316
 317                 data = NULL;
 318                 check = sdb_channel_read(chan, &data);
 319                 fail_unless(check == 0,
 320                                 "sdb_channel_read(chan, '') = %i; expected: 0", check);
 321                 if (check) {
 322                         fail_unless(data == NULL,
 323                                         "sdb_channel_read() modified data to '%s'; "
 324                                         "expected: no modifications", data);
 325                 }
 326                 else {
 327                         fail_unless(data != NULL,
 328                                         "sdb_channel_read() did not return any data");
 329                         fail_unless(!strcmp(data, golden_data_string[i].data),
 330                                         "sdb_channel_read() returned data '%s'; expected: '%s'",
 331                                         data, golden_data_string[i].data);
 332                 }
 333         }
 334 }
 335 END_TEST
 336
 337 Suite *
 338 util_channel_suite(void)
 339 {
 340         Suite *s = suite_create("utils::channel");
 341         TCase *tc;
 342
 343         tc = tcase_create("core");
 344         tcase_add_test(tc, test_create);
 345         tcase_add_test(tc, test_write_read);
 346         tcase_add_test(tc, test_select);
 347         suite_add_tcase(s, tc);
 348
 349         tc = tcase_create("integer");
 350         tcase_add_checked_fixture(tc, setup_int, teardown);
 351         tcase_add_test(tc, test_write_int);
 352         tcase_add_test(tc, test_read_int);
 353         tcase_add_test(tc, test_write_read_int);
 354         suite_add_tcase(s, tc);
 355
 356         tc = tcase_create("string");
 357         tcase_add_checked_fixture(tc, setup_string, teardown);
 358         tcase_add_test(tc, test_write_string);
 359         tcase_add_test(tc, test_read_string);
 360         tcase_add_test(tc, test_write_read_string);
 361         suite_add_tcase(s, tc);
 362
 363         return s;
 364 } /* util_llist_suite */
 365
 366 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 367