lib/util/tests/test_memcache.c

   1 /*
   2  * Unix SMB/CIFS implementation.
   3  *
   4  * Copyright (C) 2021      Andreas Schneider <asn@samba.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <stdarg.h>
  21 #include <stddef.h>
  22 #include <stdint.h>
  23 #include <setjmp.h>
  24 #include <cmocka.h>
  25
  26 #include "lib/replace/replace.h"
  27 #include "lib/util/talloc_stack.h"
  28 #include "lib/util/memcache.h"
  29
  30 static int setup_talloc_context(void **state)
  31 {
  32         TALLOC_CTX *frame = talloc_stackframe();
  33
  34         *state = frame;
  35         return 0;
  36 }
  37
  38 static int teardown_talloc_context(void **state)
  39 {
  40         TALLOC_CTX *frame = *state;
  41         TALLOC_FREE(frame);
  42         return 0;
  43 }
  44
  45 static void torture_memcache_init(void **state)
  46 {
  47         TALLOC_CTX *mem_ctx = *state;
  48         struct memcache *cache = NULL;
  49
  50         cache = memcache_init(mem_ctx, 0);
  51         assert_non_null(cache);
  52
  53         TALLOC_FREE(cache);
  54
  55         cache = memcache_init(mem_ctx, 10);
  56         assert_non_null(cache);
  57
  58         TALLOC_FREE(cache);
  59 }
  60
  61 static void torture_memcache_add_lookup_delete(void **state)
  62 {
  63         TALLOC_CTX *mem_ctx = *state;
  64         struct memcache *cache = NULL;
  65         DATA_BLOB key1, key2;
  66         char *path1 = NULL, *path2 = NULL;
  67
  68         cache = memcache_init(mem_ctx, 0);
  69         assert_non_null(cache);
  70
  71         key1 = data_blob_const("key1", 4);
  72         path1 = talloc_strdup(mem_ctx, "/tmp/one");
  73         assert_non_null(path1);
  74
  75         key2 = data_blob_const("key2", 4);
  76         path2 = talloc_strdup(mem_ctx, "/tmp/two");
  77         assert_non_null(path1);
  78
  79         memcache_add_talloc(cache, GETWD_CACHE, key1, &path1);
  80         assert_null(path1);
  81
  82         memcache_add_talloc(cache, GETWD_CACHE, key2, &path2);
  83         assert_null(path2);
  84
  85         path1 = memcache_lookup_talloc(cache, GETWD_CACHE, key1);
  86         assert_non_null(path1);
  87         assert_string_equal(path1, "/tmp/one");
  88
  89         path2 = memcache_lookup_talloc(cache, GETWD_CACHE, key2);
  90         assert_non_null(path2);
  91         assert_string_equal(path2, "/tmp/two");
  92
  93         memcache_delete(cache, GETWD_CACHE, key1);
  94         path1 = memcache_lookup_talloc(cache, GETWD_CACHE, key1);
  95         assert_null(path1);
  96
  97         memcache_flush(cache, GETWD_CACHE);
  98         path2 = memcache_lookup_talloc(cache, GETWD_CACHE, key2);
  99         assert_null(path2);
 100
 101         TALLOC_FREE(path1);
 102         TALLOC_FREE(path2);
 103         TALLOC_FREE(cache);
 104 }
 105
 106 static void torture_memcache_add_oversize(void **state)
 107 {
 108         TALLOC_CTX *mem_ctx = *state;
 109         struct memcache *cache = NULL;
 110         DATA_BLOB key1, key2;
 111         char *path1 = NULL, *path2 = NULL;
 112
 113         cache = memcache_init(mem_ctx, 10);
 114         assert_non_null(cache);
 115
 116         key1 = data_blob_const("key1", 4);
 117         path1 = talloc_strdup(mem_ctx, "/tmp/one");
 118         assert_non_null(path1);
 119
 120         key2 = data_blob_const("key2", 4);
 121         path2 = talloc_strdup(mem_ctx, "/tmp/two");
 122         assert_non_null(path1);
 123
 124         memcache_add_talloc(cache, GETWD_CACHE, key1, &path1);
 125         assert_null(path1);
 126
 127         memcache_add_talloc(cache, GETWD_CACHE, key2, &path2);
 128         assert_null(path2);
 129
 130         path1 = memcache_lookup_talloc(cache, GETWD_CACHE, key1);
 131         assert_null(path1);
 132
 133         path2 = memcache_lookup_talloc(cache, GETWD_CACHE, key2);
 134         assert_non_null(path2);
 135         assert_string_equal(path2, "/tmp/two");
 136
 137         TALLOC_FREE(path1);
 138         TALLOC_FREE(path2);
 139         TALLOC_FREE(cache);
 140 }
 141
 142 int main(int argc, char *argv[])
 143 {
 144         int rc;
 145         const struct CMUnitTest tests[] = {
 146                 cmocka_unit_test(torture_memcache_init),
 147                 cmocka_unit_test(torture_memcache_add_lookup_delete),
 148                 cmocka_unit_test(torture_memcache_add_oversize),
 149         };
 150
 151         if (argc == 2) {
 152                 cmocka_set_test_filter(argv[1]);
 153         }
 154         cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
 155
 156         rc = cmocka_run_group_tests(tests,
 157                                     setup_talloc_context,
 158                                     teardown_talloc_context);
 159
 160         return rc;
 161 }