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         errno = 0;
 159         check = sdb_channel_select(chan, &data, NULL, NULL, NULL, &ts);
 160         fail_unless(check < ETIMEDOUT,
 161                         "sdb_channel_select() = %i; expected: <0", check);
 162         fail_unless(errno == ETIMEDOUT,
 163                         "sdb_channel_select() set errno to %i; expected: %i (ETIMEDOUT)",
 164                         errno, ETIMEDOUT);
 165
 166         check = sdb_channel_select(chan, NULL, NULL, &data, NULL, NULL);
 167         fail_unless(! check, "sdb_channel_select() = %i; expected: 0", check);
 168         check = sdb_channel_select(chan, NULL, NULL, &data, NULL, &ts);
 169         fail_unless(! check, "sdb_channel_select() = %i; expected: 0", check);
 170
 171         sdb_channel_destroy(chan);
 172 }
 173 END_TEST
 174
 175 START_TEST(test_write_int)
 176 {
 177         size_t i;
 178         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 179                 int data = golden_data_int[i].data;
 180                 int expected = golden_data_int[i].expected_write;
 181
 182                 int check = sdb_channel_write(chan, &data);
 183                 fail_unless(check == expected,
 184                                 "sdb_channel_write(chan, %i) = %i; expected: %i",
 185                                 data, check, expected);
 186         }
 187 }
 188 END_TEST
 189
 190 START_TEST(test_read_int)
 191 {
 192         size_t i;
 193
 194         /* populate */
 195         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 196                 int data = golden_data_int[i].data;
 197                 int expected = golden_data_int[i].expected_write;
 198
 199                 int check = sdb_channel_write(chan, &data);
 200                 fail_unless(check == expected,
 201                                 "sdb_channel_write(chan, %i) = %i; expected: %i",
 202                                 data, check, expected);
 203         }
 204
 205         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 206                 int data = (int)i;
 207                 int expected = golden_data_int[i].expected_read;
 208
 209                 int check = sdb_channel_read(chan, &data);
 210                 fail_unless(check == expected,
 211                                 "sdb_channel_read(chan, %i) = %i; expected: %i",
 212                                 data, check, expected);
 213                 if (check) {
 214                         fail_unless(data == (int)i,
 215                                         "sdb_channel_read() modified data to '%i'; "
 216                                         "expected: no modification", data);
 217                 }
 218                 else {
 219                         fail_unless(data == golden_data_int[i].data,
 220                                         "sdb_channel_read() returned data %i; expected: %i",
 221                                         data, golden_data_int[i].data);
 222                 }
 223         }
 224 }
 225 END_TEST
 226
 227 START_TEST(test_write_read_int)
 228 {
 229         size_t i;
 230         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_int); ++i) {
 231                 int data = golden_data_int[i].data;
 232                 int check = sdb_channel_write(chan, &data);
 233                 fail_unless(check == 0,
 234                                 "sdb_channel_write(chan, %i) = %i; expected: 0",
 235                                 data, check);
 236
 237                 data = (int)i;
 238                 check = sdb_channel_read(chan, &data);
 239                 fail_unless(check == 0,
 240                                 "sdb_channel_read(chan, %i) = %i; expected: 0",
 241                                 data, check);
 242                 if (check) {
 243                         fail_unless(data == (int)i,
 244                                         "sdb_channel_read() modified data to '%i'; "
 245                                         "expected: no modification", data);
 246                 }
 247                 else {
 248                         fail_unless(data == golden_data_int[i].data,
 249                                         "sdb_channel_read() returned data %i; expected: %i",
 250                                         data, golden_data_int[i].data);
 251                 }
 252         }
 253 }
 254 END_TEST
 255
 256 START_TEST(test_write_string)
 257 {
 258         size_t i;
 259         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 260                 char *data = golden_data_string[i].data;
 261                 int expected = golden_data_string[i].expected_write;
 262
 263                 int check = sdb_channel_write(chan, &data);
 264                 fail_unless(check == expected,
 265                                 "sdb_channel_write(chan, '%s') = %i; expected: %i",
 266                                 data, check, expected);
 267         }
 268 }
 269 END_TEST
 270
 271 START_TEST(test_read_string)
 272 {
 273         size_t i;
 274
 275         /* populate */
 276         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 277                 char *data = golden_data_string[i].data;
 278                 int expected = golden_data_string[i].expected_write;
 279
 280                 int check = sdb_channel_write(chan, &data);
 281                 fail_unless(check == expected,
 282                                 "sdb_channel_write(chan, '%s') = %i; expected: %i",
 283                                 data, check, expected);
 284         }
 285
 286         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 287                 char *data = NULL;
 288                 int expected = golden_data_string[i].expected_read;
 289
 290                 int check = sdb_channel_read(chan, &data);
 291                 fail_unless(check == expected,
 292                                 "sdb_channel_read(chan, '') = %i; expected: %i",
 293                                 check, expected);
 294                 if (check) {
 295                         fail_unless(data == NULL,
 296                                         "sdb_channel_read() modified data to '%s'; "
 297                                         "expected: no modification", data);
 298                 }
 299                 else {
 300                         fail_unless(data != NULL,
 301                                         "sdb_channel_read() did not return any data");
 302                         fail_unless(!strcmp(data, golden_data_string[i].data),
 303                                         "sdb_channel_read() returned data '%s'; expected: '%s'",
 304                                         data, golden_data_string[i].data);
 305                 }
 306         }
 307 }
 308 END_TEST
 309
 310 START_TEST(test_write_read_string)
 311 {
 312         size_t i;
 313         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data_string); ++i) {
 314                 char *data = golden_data_string[i].data;
 315                 int check = sdb_channel_write(chan, &data);
 316                 fail_unless(check == 0,
 317                                 "sdb_channel_write(chan, '%s') = %i; expected: 0",
 318                                 data, check);
 319
 320                 data = NULL;
 321                 check = sdb_channel_read(chan, &data);
 322                 fail_unless(check == 0,
 323                                 "sdb_channel_read(chan, '') = %i; expected: 0", check);
 324                 if (check) {
 325                         fail_unless(data == NULL,
 326                                         "sdb_channel_read() modified data to '%s'; "
 327                                         "expected: no modifications", data);
 328                 }
 329                 else {
 330                         fail_unless(data != NULL,
 331                                         "sdb_channel_read() did not return any data");
 332                         fail_unless(!strcmp(data, golden_data_string[i].data),
 333                                         "sdb_channel_read() returned data '%s'; expected: '%s'",
 334                                         data, golden_data_string[i].data);
 335                 }
 336         }
 337 }
 338 END_TEST
 339
 340 Suite *
 341 util_channel_suite(void)
 342 {
 343         Suite *s = suite_create("utils::channel");
 344         TCase *tc;
 345
 346         tc = tcase_create("core");
 347         tcase_add_test(tc, test_create);
 348         tcase_add_test(tc, test_write_read);
 349         tcase_add_test(tc, test_select);
 350         suite_add_tcase(s, tc);
 351
 352         tc = tcase_create("integer");
 353         tcase_add_checked_fixture(tc, setup_int, teardown);
 354         tcase_add_test(tc, test_write_int);
 355         tcase_add_test(tc, test_read_int);
 356         tcase_add_test(tc, test_write_read_int);
 357         suite_add_tcase(s, tc);
 358
 359         tc = tcase_create("string");
 360         tcase_add_checked_fixture(tc, setup_string, teardown);
 361         tcase_add_test(tc, test_write_string);
 362         tcase_add_test(tc, test_read_string);
 363         tcase_add_test(tc, test_write_read_string);
 364         suite_add_tcase(s, tc);
 365
 366         return s;
 367 } /* util_llist_suite */
 368
 369 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 370