t/unit/core/store_json_test.c

   1 /*
   2  * SysDB - t/unit/core/store_json_test.c
   3  * Copyright (C) 2014 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 "core/store.h"
  29 #include "libsysdb_test.h"
  30
  31 #include <assert.h>
  32
  33 #include <check.h>
  34 #include <stdlib.h>
  35
  36 static void
  37 populate(void)
  38 {
  39         sdb_data_t datum;
  40
  41         sdb_store_host("h1", 1);
  42         sdb_store_host("h2", 3);
  43
  44         datum.type = SDB_TYPE_STRING;
  45         datum.data.string = "v1";
  46         sdb_store_attribute("h1", "k1", &datum, 1);
  47         datum.data.string = "v2";
  48         sdb_store_attribute("h1", "k2", &datum, 2);
  49         datum.data.string = "v3";
  50         sdb_store_attribute("h1", "k3", &datum, 2);
  51
  52         /* make sure that older updates don't overwrite existing values */
  53         datum.data.string = "fail";
  54         sdb_store_attribute("h1", "k2", &datum, 1);
  55         sdb_store_attribute("h1", "k3", &datum, 2);
  56
  57         sdb_store_metric("h1", "m1", /* store */ NULL, 2);
  58         sdb_store_metric("h1", "m2", /* store */ NULL, 1);
  59         sdb_store_metric("h2", "m1", /* store */ NULL, 1);
  60
  61         sdb_store_service("h2", "s1", 1);
  62         sdb_store_service("h2", "s2", 2);
  63
  64         datum.type = SDB_TYPE_INTEGER;
  65         datum.data.integer = 42;
  66         sdb_store_metric_attr("h1", "m1", "k3", &datum, 2);
  67
  68         datum.data.integer = 123;
  69         sdb_store_service_attr("h2", "s2", "k1", &datum, 2);
  70         datum.data.integer = 4711;
  71         sdb_store_service_attr("h2", "s2", "k2", &datum, 1);
  72
  73         /* don't overwrite k1 */
  74         datum.data.integer = 666;
  75         sdb_store_service_attr("h2", "s2", "k1", &datum, 2);
  76 } /* populate */
  77
  78 static int
  79 scan_tojson(sdb_store_obj_t *obj,
  80                 sdb_store_matcher_t __attribute__((unused)) *filter,
  81                 void *user_data)
  82 {
  83         sdb_store_json_formatter_t *f = user_data;
  84         return sdb_store_json_emit(f, obj);
  85 } /* scan_tojson */
  86
  87 static int
  88 scan_tojson_full(sdb_store_obj_t *obj, sdb_store_matcher_t *filter,
  89                 void *user_data)
  90 {
  91         sdb_store_json_formatter_t *f = user_data;
  92         return sdb_store_json_emit_full(f, obj, filter);
  93 } /* scan_tojson_full */
  94
  95 static void
  96 verify_json_output(sdb_strbuf_t *buf, const char *expected)
  97 {
  98         const char *got = sdb_strbuf_string(buf);
  99         size_t len1 = strlen(got);
 100         size_t len2 = strlen(expected);
 101
 102         size_t i;
 103         int pos = -1;
 104
 105         if (len1 != len2)
 106                 pos = (int)SDB_MIN(len1, len2);
 107
 108         for (i = 0; i < SDB_MIN(len1, len2); ++i) {
 109                 if (got[i] != expected[i]) {
 110                         pos = (int)i;
 111                         break;
 112                 }
 113         }
 114
 115         fail_unless(pos == -1,
 116                         "Serializing hosts to JSON returned unexpected result\n"
 117                         "         got: %s\n              %*s\n    expected: %s",
 118                         got, pos + 1, "^", expected);
 119 } /* verify_json_output */
 120
 121 START_TEST(test_store_tojson)
 122 {
 123         sdb_strbuf_t *buf;
 124         size_t i;
 125
 126         struct {
 127                 struct {
 128                         sdb_store_matcher_t *(*m)(sdb_store_expr_t *,
 129                                         sdb_store_expr_t *);
 130                         int field;
 131                         sdb_data_t value;
 132                 } filter;
 133                 int type;
 134                 int (*f)(sdb_store_obj_t *, sdb_store_matcher_t *, void *);
 135                 const char *expected;
 136         } golden_data[] = {
 137                 { { NULL, 0, SDB_DATA_INIT },
 138                         SDB_HOST, scan_tojson_full,
 139                         "["
 140                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 141                                         "\"update_interval\": \"0s\", \"backends\": [], "
 142                                         "\"attributes\": ["
 143                                                 "{\"name\": \"k1\", \"value\": \"v1\", "
 144                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 145                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 146                                                 "{\"name\": \"k2\", \"value\": \"v2\", "
 147                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 148                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 149                                                 "{\"name\": \"k3\", \"value\": \"v3\", "
 150                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 151                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 152                                         "], "
 153                                         "\"metrics\": ["
 154                                                 "{\"name\": \"m1\", "
 155                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 156                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 157                                                         "\"attributes\": ["
 158                                                                 "{\"name\": \"k3\", \"value\": 42, "
 159                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 160                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 161                                                         "]},"
 162                                                 "{\"name\": \"m2\", "
 163                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 164                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 165                                         "]},"
 166                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 167                                         "\"update_interval\": \"0s\", \"backends\": [], "
 168                                         "\"metrics\": ["
 169                                                 "{\"name\": \"m1\", "
 170                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 171                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 172                                         "], "
 173                                         "\"services\": ["
 174                                                 "{\"name\": \"s1\", "
 175                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 176                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 177                                                 "{\"name\": \"s2\", "
 178                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 179                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 180                                                         "\"attributes\": ["
 181                                                                 "{\"name\": \"k1\", \"value\": 123, "
 182                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 183                                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 184                                                                 "{\"name\": \"k2\", \"value\": 4711, "
 185                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 186                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 187                                                         "]}"
 188                                         "]}"
 189                         "]" },
 190                 { { NULL, 0, SDB_DATA_INIT },
 191                         SDB_HOST, scan_tojson,
 192                         "["
 193                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 194                                         "\"update_interval\": \"0s\", \"backends\": []},"
 195                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 196                                         "\"update_interval\": \"0s\", \"backends\": []}"
 197                         "]" },
 198                 { { sdb_store_eq_matcher, SDB_FIELD_NAME,
 199                                 { SDB_TYPE_STRING, { .string = "h1" } } },
 200                         SDB_HOST, scan_tojson_full,
 201                         "["
 202                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 203                                         "\"update_interval\": \"0s\", \"backends\": []}"
 204                         "]" },
 205                 { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
 206                                 { SDB_TYPE_DATETIME, { .datetime = 1 } } },
 207                         SDB_HOST, scan_tojson_full,
 208                         "["
 209                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 210                                         "\"update_interval\": \"0s\", \"backends\": [], "
 211                                         "\"services\": ["
 212                                                 "{\"name\": \"s2\", "
 213                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 214                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 215                                                         "\"attributes\": ["
 216                                                                 "{\"name\": \"k1\", \"value\": 123, "
 217                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 218                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 219                                                         "]}"
 220                                         "]}"
 221                         "]" },
 222                 { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
 223                                 { SDB_TYPE_DATETIME, { .datetime = 1 } } },
 224                         SDB_HOST, scan_tojson_full,
 225                         "["
 226                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 227                                         "\"update_interval\": \"0s\", \"backends\": [], "
 228                                         "\"attributes\": ["
 229                                                 "{\"name\": \"k1\", \"value\": \"v1\", "
 230                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 231                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 232                                         "], "
 233                                         "\"metrics\": ["
 234                                                 "{\"name\": \"m2\", "
 235                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 236                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 237                                         "]}"
 238                         "]" },
 239                 { { sdb_store_ge_matcher, SDB_FIELD_LAST_UPDATE,
 240                                 { SDB_TYPE_DATETIME, { .datetime = 3 } } },
 241                         SDB_HOST, scan_tojson_full,
 242                         "["
 243                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 244                                         "\"update_interval\": \"0s\", \"backends\": []}"
 245                         "]" },
 246                 { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 247                                 { SDB_TYPE_DATETIME, { .datetime = 0 } } },
 248                         SDB_HOST, scan_tojson_full,
 249                         "[]" },
 250
 251                 { { NULL, 0, SDB_DATA_INIT },
 252                         SDB_SERVICE, scan_tojson_full,
 253                         "["
 254                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 255                                         "\"update_interval\": \"0s\", \"backends\": [], "
 256                                         "\"services\": ["
 257                                                 "{\"name\": \"s1\", "
 258                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 259                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 260                                                 "{\"name\": \"s2\", "
 261                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 262                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 263                                                         "\"attributes\": ["
 264                                                                 "{\"name\": \"k1\", \"value\": 123, "
 265                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 266                                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 267                                                                 "{\"name\": \"k2\", \"value\": 4711, "
 268                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 269                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 270                                                         "]}"
 271                                         "]}"
 272                         "]" },
 273                 { { NULL, 0, SDB_DATA_INIT },
 274                         SDB_SERVICE, scan_tojson,
 275                         "["
 276                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 277                                         "\"update_interval\": \"0s\", \"backends\": [], "
 278                                         "\"services\": ["
 279                                                 "{\"name\": \"s1\", "
 280                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 281                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 282                                                 "{\"name\": \"s2\", "
 283                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 284                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 285                                         "]}"
 286                         "]" },
 287                 { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
 288                                 { SDB_TYPE_DATETIME, { .datetime = 1 } } },
 289                         SDB_SERVICE, scan_tojson_full,
 290                         "["
 291                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 292                                         "\"update_interval\": \"0s\", \"backends\": [], "
 293                                         "\"services\": ["
 294                                                 "{\"name\": \"s2\", "
 295                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 296                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 297                                                         "\"attributes\": ["
 298                                                                 "{\"name\": \"k1\", \"value\": 123, "
 299                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 300                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 301                                                         "]}"
 302                                         "]}"
 303                         "]" },
 304                 { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 305                                 { SDB_TYPE_DATETIME, { .datetime = 0 } } },
 306                         SDB_SERVICE, scan_tojson_full,
 307                         "[]" },
 308                 { { NULL, 0, SDB_DATA_INIT },
 309                         SDB_METRIC, scan_tojson_full,
 310                         "["
 311                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 312                                         "\"update_interval\": \"0s\", \"backends\": [], "
 313                                         "\"metrics\": ["
 314                                                 "{\"name\": \"m1\", "
 315                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 316                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 317                                                         "\"attributes\": ["
 318                                                                 "{\"name\": \"k3\", \"value\": 42, "
 319                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 320                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 321                                                         "]},"
 322                                                 "{\"name\": \"m2\", "
 323                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 324                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 325                                         "]},"
 326                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 327                                         "\"update_interval\": \"0s\", \"backends\": [], "
 328                                         "\"metrics\": ["
 329                                                 "{\"name\": \"m1\", "
 330                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 331                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 332                                         "]}"
 333                         "]" },
 334                 { { NULL, 0, SDB_DATA_INIT },
 335                         SDB_METRIC, scan_tojson,
 336                         "["
 337                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 338                                         "\"update_interval\": \"0s\", \"backends\": [], "
 339                                         "\"metrics\": ["
 340                                                 "{\"name\": \"m1\", "
 341                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 342                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 343                                                 "{\"name\": \"m2\", "
 344                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 345                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 346                                         "]},"
 347                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 348                                         "\"update_interval\": \"0s\", \"backends\": [], "
 349                                         "\"metrics\": ["
 350                                                 "{\"name\": \"m1\", "
 351                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 352                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 353                                         "]}"
 354                         "]" },
 355                 { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
 356                                 { SDB_TYPE_DATETIME, { .datetime = 1 } } },
 357                         SDB_METRIC, scan_tojson_full,
 358                         "["
 359                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 360                                         "\"update_interval\": \"0s\", \"backends\": [], "
 361                                         "\"metrics\": ["
 362                                                 "{\"name\": \"m2\", "
 363                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 364                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 365                                         "]}"
 366                         "]" },
 367                 { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 368                                 { SDB_TYPE_DATETIME, { .datetime = 0 } } },
 369                         SDB_METRIC, scan_tojson_full,
 370                         "[]" },
 371         };
 372
 373         buf = sdb_strbuf_create(0);
 374         fail_unless(buf != NULL, "INTERNAL ERROR: failed to create string buffer");
 375         populate();
 376
 377         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
 378                 sdb_store_matcher_t *filter = NULL;
 379                 sdb_store_json_formatter_t *f;
 380                 int status;
 381
 382                 sdb_strbuf_clear(buf);
 383
 384                 if (golden_data[i].filter.m) {
 385                         sdb_store_expr_t *field;
 386                         sdb_store_expr_t *value;
 387
 388                         field = sdb_store_expr_fieldvalue(golden_data[i].filter.field);
 389                         fail_unless(field != NULL,
 390                                         "INTERNAL ERROR: sdb_store_expr_fieldvalue() = NULL");
 391                         value = sdb_store_expr_constvalue(&golden_data[i].filter.value);
 392                         fail_unless(value != NULL,
 393                                         "INTERNAL ERROR: sdb_store_expr_constvalue() = NULL");
 394
 395                         filter = golden_data[i].filter.m(field, value);
 396                         fail_unless(filter != NULL,
 397                                         "INTERNAL ERROR: sdb_store_*_matcher() = NULL");
 398
 399                         sdb_object_deref(SDB_OBJ(field));
 400                         sdb_object_deref(SDB_OBJ(value));
 401                 }
 402
 403                 sdb_strbuf_clear(buf);
 404                 f = sdb_store_json_formatter(buf,
 405                                 golden_data[i].type, SDB_WANT_ARRAY);
 406                 assert(f);
 407
 408                 status = sdb_store_scan(golden_data[i].type, /* m = */ NULL, filter,
 409                                 golden_data[i].f, f);
 410                 fail_unless(status == 0,
 411                                 "sdb_store_scan(HOST, ..., tojson) = %d; expected: 0",
 412                                 status);
 413                 sdb_store_json_finish(f);
 414
 415                 verify_json_output(buf, golden_data[i].expected);
 416                 free(f);
 417                 sdb_object_deref(SDB_OBJ(filter));
 418         }
 419         sdb_strbuf_destroy(buf);
 420 }
 421 END_TEST
 422
 423 Suite *
 424 core_store_json_suite(void)
 425 {
 426         Suite *s = suite_create("core::store_json");
 427         TCase *tc;
 428
 429         tc = tcase_create("core");
 430         tcase_add_test(tc, test_store_tojson);
 431         tcase_add_unchecked_fixture(tc, NULL, sdb_store_clear);
 432         suite_add_tcase(s, tc);
 433
 434         return s;
 435 } /* core_store_json_suite */
 436
 437 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 438