root/lib/common/tests/rules/pcmk__replace_submatches_test.c

/* */

DEFINITIONS

1. assert_submatch
2. no_source
3. source_has_no_variables
4. without_matches
5. with_matches

   1 /*
   2  * Copyright 2024 the Pacemaker project contributors
   3  *
   4  * The version control history for this file may have further details.
   5  *
   6  * This source code is licensed under the GNU General Public License version 2
   7  * or later (GPLv2+) WITHOUT ANY WARRANTY.
   8  */
   9 
  10 #include <crm_internal.h>
  11 
  12 #include <regex.h>  // regmatch_t
  13 
  14 #include <crm/common/rules_internal.h>
  15 #include <crm/common/unittest_internal.h>
  16 
  17 // An example matched string with submatches
  18 static const char *match = "this is a string";
  19 static const regmatch_t submatches[] = {
  20     { .rm_so = 0, .rm_eo = 16 },    // %0 = entire string
  21     { .rm_so = 5, .rm_eo = 7 },     // %1 = "is"
  22     { .rm_so = 9, .rm_eo = 9 },     // %2 = empty match
  23 };
  24 static const int nmatches = 3;
  25 
  26 static void
  27 assert_submatch(const char *string, const char *reference)
     /*  */
  28 {
  29     char *expanded = NULL;
  30 
  31     expanded = pcmk__replace_submatches(string, match, submatches, nmatches);
  32     if ((expanded == NULL) || (reference == NULL)) {
  33         assert_null(expanded);
  34         assert_null(reference);
  35     } else {
  36         assert_int_equal(strcmp(expanded, reference), 0);
  37     }
  38     free(expanded);
  39 }
  40 
  41 static void
  42 no_source(void **state)
     /*  */
  43 {
  44     assert_null(pcmk__replace_submatches(NULL, NULL, NULL, 0));
  45     assert_submatch(NULL, NULL);
  46     assert_submatch("", NULL);
  47 }
  48 
  49 static void
  50 source_has_no_variables(void **state)
     /*  */
  51 {
  52     assert_null(pcmk__replace_submatches("this has no submatch variables",
  53                                          match, submatches, nmatches));
  54     assert_null(pcmk__replace_submatches("this ends in a %",
  55                                          match, submatches, nmatches));
  56     assert_null(pcmk__replace_submatches("%this starts with one",
  57                                          match, submatches, nmatches));
  58 }
  59 
  60 static void
  61 without_matches(void **state)
     /*  */
  62 {
  63     assert_submatch("this has an empty submatch %2",
  64                     "this has an empty submatch ");
  65     assert_submatch("this has a nonexistent submatch %3",
  66                     "this has a nonexistent submatch ");
  67 }
  68 
  69 static void
  70 with_matches(void **state)
     /*  */
  71 {
  72     assert_submatch("%0", match); // %0 matches entire string
  73     assert_submatch("this %1", "this is");
  74     assert_submatch("%1 this %ok", "is this %ok");
  75 }
  76 
  77 PCMK__UNIT_TEST(NULL, NULL,
  78                 cmocka_unit_test(no_source),
  79                 cmocka_unit_test(source_has_no_variables),
  80                 cmocka_unit_test(without_matches),
  81                 cmocka_unit_test(with_matches))

/* */