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 (*f)(sdb_store_obj_t *, sdb_store_matcher_t *, void *);
 134                 const char *expected;
 135         } golden_data[] = {
 136                 { { NULL, 0, SDB_DATA_INIT }, scan_tojson_full,
 137                         "["
 138                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 139                                         "\"update_interval\": \"0s\", \"backends\": [], "
 140                                         "\"attributes\": ["
 141                                                 "{\"name\": \"k1\", \"value\": \"v1\", "
 142                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 143                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 144                                                 "{\"name\": \"k2\", \"value\": \"v2\", "
 145                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 146                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 147                                                 "{\"name\": \"k3\", \"value\": \"v3\", "
 148                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 149                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 150                                         "], "
 151                                         "\"metrics\": ["
 152                                                 "{\"name\": \"m1\", "
 153                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 154                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 155                                                         "\"attributes\": ["
 156                                                                 "{\"name\": \"k3\", \"value\": 42, "
 157                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 158                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 159                                                         "]},"
 160                                                 "{\"name\": \"m2\", "
 161                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 162                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 163                                         "]},"
 164                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 165                                         "\"update_interval\": \"0s\", \"backends\": [], "
 166                                         "\"metrics\": ["
 167                                                 "{\"name\": \"m1\", "
 168                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 169                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 170                                         "], "
 171                                         "\"services\": ["
 172                                                 "{\"name\": \"s1\", "
 173                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 174                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 175                                                 "{\"name\": \"s2\", "
 176                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 177                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 178                                                         "\"attributes\": ["
 179                                                                 "{\"name\": \"k1\", \"value\": 123, "
 180                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 181                                                                         "\"update_interval\": \"0s\", \"backends\": []},"
 182                                                                 "{\"name\": \"k2\", \"value\": 4711, "
 183                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 184                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 185                                                         "]}"
 186                                         "]}"
 187                         "]" },
 188                 { { NULL, 0, SDB_DATA_INIT }, scan_tojson,
 189                         "["
 190                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 191                                         "\"update_interval\": \"0s\", \"backends\": []},"
 192                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 193                                         "\"update_interval\": \"0s\", \"backends\": []}"
 194                         "]" },
 195                 { { sdb_store_eq_matcher, SDB_FIELD_NAME,
 196                                 { SDB_TYPE_STRING, { .string = "h1" } } }, scan_tojson_full,
 197                         "["
 198                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 199                                         "\"update_interval\": \"0s\", \"backends\": []}"
 200                         "]" },
 201                 { { sdb_store_gt_matcher, SDB_FIELD_LAST_UPDATE,
 202                                 { SDB_TYPE_DATETIME, { .datetime = 1 } } }, scan_tojson_full,
 203                         "["
 204                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 205                                         "\"update_interval\": \"0s\", \"backends\": [], "
 206                                         "\"services\": ["
 207                                                 "{\"name\": \"s2\", "
 208                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 209                                                         "\"update_interval\": \"0s\", \"backends\": [], "
 210                                                         "\"attributes\": ["
 211                                                                 "{\"name\": \"k1\", \"value\": 123, "
 212                                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 213                                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 214                                                         "]}"
 215                                         "]}"
 216                         "]" },
 217                 { { sdb_store_le_matcher, SDB_FIELD_LAST_UPDATE,
 218                                 { SDB_TYPE_DATETIME, { .datetime = 1 } } }, scan_tojson_full,
 219                         "["
 220                                 "{\"name\": \"h1\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 221                                         "\"update_interval\": \"0s\", \"backends\": [], "
 222                                         "\"attributes\": ["
 223                                                 "{\"name\": \"k1\", \"value\": \"v1\", "
 224                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 225                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 226                                         "], "
 227                                         "\"metrics\": ["
 228                                                 "{\"name\": \"m2\", "
 229                                                         "\"last_update\": \"1970-01-01 00:00:00 +0000\", "
 230                                                         "\"update_interval\": \"0s\", \"backends\": []}"
 231                                         "]}"
 232                         "]" },
 233                 { { sdb_store_ge_matcher, SDB_FIELD_LAST_UPDATE,
 234                                 { SDB_TYPE_DATETIME, { .datetime = 3 } } }, scan_tojson_full,
 235                         "["
 236                                 "{\"name\": \"h2\", \"last_update\": \"1970-01-01 00:00:00 +0000\", "
 237                                         "\"update_interval\": \"0s\", \"backends\": []}"
 238                         "]" },
 239                 { { sdb_store_lt_matcher, SDB_FIELD_LAST_UPDATE,
 240                                 { SDB_TYPE_DATETIME, { .datetime = 0 } } }, scan_tojson_full,
 241                         "[]" },
 242         };
 243
 244         buf = sdb_strbuf_create(0);
 245         fail_unless(buf != NULL, "INTERNAL ERROR: failed to create string buffer");
 246         populate();
 247
 248         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
 249                 sdb_store_matcher_t *filter = NULL;
 250                 sdb_store_json_formatter_t *f;
 251                 int status;
 252
 253                 sdb_strbuf_clear(buf);
 254
 255                 if (golden_data[i].filter.m) {
 256                         sdb_store_expr_t *field;
 257                         sdb_store_expr_t *value;
 258
 259                         field = sdb_store_expr_fieldvalue(golden_data[i].filter.field);
 260                         fail_unless(field != NULL,
 261                                         "INTERNAL ERROR: sdb_store_expr_fieldvalue() = NULL");
 262                         value = sdb_store_expr_constvalue(&golden_data[i].filter.value);
 263                         fail_unless(value != NULL,
 264                                         "INTERNAL ERROR: sdb_store_expr_constvalue() = NULL");
 265
 266                         filter = golden_data[i].filter.m(field, value);
 267                         fail_unless(filter != NULL,
 268                                         "INTERNAL ERROR: sdb_store_*_matcher() = NULL");
 269
 270                         sdb_object_deref(SDB_OBJ(field));
 271                         sdb_object_deref(SDB_OBJ(value));
 272                 }
 273
 274                 sdb_strbuf_clear(buf);
 275                 f = sdb_store_json_formatter(buf, SDB_WANT_ARRAY);
 276                 assert(f);
 277
 278                 status = sdb_store_scan(SDB_HOST, /* m = */ NULL, filter,
 279                                 golden_data[i].f, f);
 280                 fail_unless(status == 0,
 281                                 "sdb_store_scan(HOST, ..., tojson) = %d; expected: 0",
 282                                 status);
 283                 sdb_store_json_finish(f);
 284
 285                 verify_json_output(buf, golden_data[i].expected);
 286                 free(f);
 287                 sdb_object_deref(SDB_OBJ(filter));
 288         }
 289         sdb_strbuf_destroy(buf);
 290 }
 291 END_TEST
 292
 293 Suite *
 294 core_store_json_suite(void)
 295 {
 296         Suite *s = suite_create("core::store_json");
 297         TCase *tc;
 298
 299         tc = tcase_create("core");
 300         tcase_add_test(tc, test_store_tojson);
 301         tcase_add_unchecked_fixture(tc, NULL, sdb_store_clear);
 302         suite_add_tcase(s, tc);
 303
 304         return s;
 305 } /* core_store_json_suite */
 306
 307 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 308