t/frontend/parser_test.c

   1 /*
   2  * SysDB - t/frontend/parser_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 "frontend/connection.h"
  29 #include "frontend/parser.h"
  30 #include "core/store-private.h"
  31 #include "core/object.h"
  32 #include "libsysdb_test.h"
  33
  34 #include <check.h>
  35
  36 /*
  37  * tests
  38  */
  39
  40 START_TEST(test_parse)
  41 {
  42         struct {
  43                 const char *query;
  44                 int len;
  45                 int expected;
  46                 sdb_conn_state_t expected_cmd;
  47         } golden_data[] = {
  48                 /* empty commands */
  49                 { NULL,                  -1, -1, 0 },
  50                 { "",                    -1,  0, 0 },
  51                 { ";",                   -1,  0, 0 },
  52                 { ";;",                  -1,  0, 0 },
  53
  54                 /* valid commands */
  55                 { "FETCH 'host'",        -1,  1, CONNECTION_FETCH  },
  56                 { "LIST",                -1,  1, CONNECTION_LIST   },
  57                 { "LIST -- comment",     -1,  1, CONNECTION_LIST   },
  58                 { "LIST;",               -1,  1, CONNECTION_LIST   },
  59                 { "LIST; INVALID",        5,  1, CONNECTION_LIST   },
  60
  61                 { "LOOKUP hosts WHERE "
  62                   "host.name = 'host'",  -1,  1, CONNECTION_LOOKUP },
  63                 { "LOOKUP hosts WHERE "
  64                   "host.name =~ 'p' AND "
  65                   "service.name =~ 'p'", -1,  1, CONNECTION_LOOKUP },
  66                 { "LOOKUP hosts WHERE "
  67                   "host.name =~ 'p' AND "
  68                   "service.name =~ 'p' OR "
  69                   "service.name =~ 'r'", -1,  1, CONNECTION_LOOKUP },
  70
  71                 /* comments */
  72                 { "/* some comment */",  -1,  0, 0 },
  73                 { "-- another comment",  -1,  0, 0 },
  74
  75                 /* syntax errors */
  76                 { "INVALID",             -1, -1, 0 },
  77                 { "FETCH host",          -1, -1, 0 },
  78                 { "LIST; INVALID",        8, -1, 0 },
  79                 { "/* some incomplete",  -1, -1, 0 },
  80
  81                 { "LOOKUP hosts",        -1, -1, 0 },
  82                 { "LOOKUP foo WHERE "
  83                   "host.name = 'host'",  -1, -1, 0 },
  84         };
  85
  86         size_t i;
  87         sdb_llist_t *check;
  88
  89         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
  90                 sdb_object_t *obj;
  91                 _Bool ok;
  92
  93                 check = sdb_fe_parse(golden_data[i].query, golden_data[i].len);
  94                 if (golden_data[i].expected < 0)
  95                         ok = check == 0;
  96                 else
  97                         ok = sdb_llist_len(check) == (size_t)golden_data[i].expected;
  98
  99                 fail_unless(ok, "sdb_fe_parse(%s) = %p (len: %zu); expected: %d",
 100                                 golden_data[i].query, check, sdb_llist_len(check),
 101                                 golden_data[i].expected);
 102
 103                 if (! check)
 104                         continue;
 105
 106                 if ((! golden_data[i].expected_cmd)
 107                                 || (golden_data[i].expected <= 0)) {
 108                         sdb_llist_destroy(check);
 109                         continue;
 110                 }
 111
 112                 obj = sdb_llist_get(check, 0);
 113                 fail_unless(SDB_CONN_NODE(obj)->cmd == golden_data[i].expected_cmd,
 114                                 "sdb_fe_parse(%s)->cmd = %i; expected: %d",
 115                                 golden_data[i].query, SDB_CONN_NODE(obj)->cmd,
 116                                 golden_data[i].expected_cmd);
 117                 sdb_object_deref(obj);
 118                 sdb_llist_destroy(check);
 119         }
 120 }
 121 END_TEST
 122
 123 START_TEST(test_parse_matcher)
 124 {
 125         struct {
 126                 const char *expr;
 127                 int len;
 128                 int expected;
 129         } golden_data[] = {
 130                 /* empty expressions */
 131                 { NULL,                             -1, -1 },
 132                 { "",                               -1, -1 },
 133
 134                 /* valid expressions */
 135                 { "host.name = 'localhost'",        -1,  MATCHER_HOST },
 136                 { "host.name = 'localhost' -- foo", -1,  MATCHER_HOST },
 137                 { "host.name = 'host' <garbage>",   18,  MATCHER_HOST },
 138                 { "host.name =~ 'pattern' AND "
 139                   "service.name =~ 'pattern'",      -1,  MATCHER_AND },
 140                 { "host.name =~ 'pattern' OR "
 141                   "service.name =~ 'pattern'",      -1,  MATCHER_OR },
 142
 143                 /* syntax errors */
 144                 { "LIST",                           -1, -1 },
 145                 { "foo &^ bar",                     -1, -1 },
 146         };
 147
 148         size_t i;
 149
 150         for (i = 0; i < SDB_STATIC_ARRAY_LEN(golden_data); ++i) {
 151                 sdb_store_matcher_t *m;
 152                 m = sdb_fe_parse_matcher(golden_data[i].expr, golden_data[i].len);
 153
 154                 if (golden_data[i].expected < 0) {
 155                         fail_unless(m == NULL,
 156                                         "sdb_fe_parse_matcher(%s) = %p; expected: NULL",
 157                                         golden_data[i].expr, m);
 158                         continue;
 159                 }
 160
 161                 fail_unless(m != NULL, "sdb_fe_parse_matcher(%s) = NULL; "
 162                                 "expected: <matcher>", golden_data[i].expr);
 163                 fail_unless(M(m)->type == golden_data[i].expected,
 164                                 "sdb_fe_parse_matcher(%s) returned matcher of type %d; "
 165                                 "expected: %d", golden_data[i].expr, M(m)->type,
 166                                 golden_data[i].expected);
 167
 168                 sdb_object_deref(SDB_OBJ(m));
 169         }
 170 }
 171 END_TEST
 172
 173 Suite *
 174 fe_parser_suite(void)
 175 {
 176         Suite *s = suite_create("frontend::parser");
 177         TCase *tc;
 178
 179         tc = tcase_create("core");
 180         tcase_add_test(tc, test_parse);
 181         tcase_add_test(tc, test_parse_matcher);
 182         suite_add_tcase(s, tc);
 183
 184         return s;
 185 } /* util_parser_suite */
 186
 187 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 188