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/*
* Copyright 2024 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <regex.h> // regmatch_t
#include <crm/common/rules_internal.h>
#include <crm/common/unittest_internal.h>
// An example matched string with submatches
static const char *match = "this is a string";
static const regmatch_t submatches[] = {
{ .rm_so = 0, .rm_eo = 16 }, // %0 = entire string
{ .rm_so = 5, .rm_eo = 7 }, // %1 = "is"
{ .rm_so = 9, .rm_eo = 9 }, // %2 = empty match
};
static const int nmatches = 3;
static void
assert_submatch(const char *string, const char *reference)
{
char *expanded = NULL;
expanded = pcmk__replace_submatches(string, match, submatches, nmatches);
if ((expanded == NULL) || (reference == NULL)) {
assert_null(expanded);
assert_null(reference);
} else {
assert_int_equal(strcmp(expanded, reference), 0);
}
free(expanded);
}
static void
no_source(void **state)
{
assert_null(pcmk__replace_submatches(NULL, NULL, NULL, 0));
assert_submatch(NULL, NULL);
assert_submatch("", NULL);
}
static void
source_has_no_variables(void **state)
{
assert_null(pcmk__replace_submatches("this has no submatch variables",
match, submatches, nmatches));
assert_null(pcmk__replace_submatches("this ends in a %",
match, submatches, nmatches));
assert_null(pcmk__replace_submatches("%this starts with one",
match, submatches, nmatches));
}
static void
without_matches(void **state)
{
assert_submatch("this has an empty submatch %2",
"this has an empty submatch ");
assert_submatch("this has a nonexistent submatch %3",
"this has a nonexistent submatch ");
}
static void
with_matches(void **state)
{
assert_submatch("%0", match); // %0 matches entire string
assert_submatch("this %1", "this is");
assert_submatch("%1 this %ok", "is this %ok");
}
PCMK__UNIT_TEST(NULL, NULL,
cmocka_unit_test(no_source),
cmocka_unit_test(source_has_no_variables),
cmocka_unit_test(without_matches),
cmocka_unit_test(with_matches))
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