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#include <platform.h>
#ifdef WITH_PCRE2
#include <regex.h>
#else
#error "PCRE2 required for regex tests"
#endif
#include <buffer.h>
#include <test.h>
static void test_match(void)
{
assert_true(StringMatch("^a.*$", "abc", NULL, NULL));
assert_true(StringMatch("a", "a", NULL, NULL));
assert_true(StringMatch("a", "ab", NULL, NULL));
assert_false(StringMatch("^a.*$", "bac", NULL, NULL));
size_t start, end;
bool ret = StringMatch("[a-z]{3}", "abc", &start, &end);
assert_true(ret);
assert_int_equal(start, 0);
assert_int_equal(end, 3);
ret = StringMatch("^[a-z]{3}$", "abc", &start, &end);
assert_true(ret);
assert_int_equal(start, 0);
assert_int_equal(end, 3);
ret = StringMatch("^[a-z]{3}.*$", "abcdef", &start, &end);
assert_true(ret);
assert_int_equal(start, 0);
assert_int_equal(end, 6);
ret = StringMatch("[a-z]{3}.*", "0abcdef", &start, &end);
assert_true(ret);
assert_int_equal(start, 1);
assert_int_equal(end, 7);
}
static void test_match_full(void)
{
assert_true(StringMatchFull("^a.*$", "abc"));
assert_true(StringMatchFull("a", "a"));
assert_false(StringMatchFull("a", "ab"));
assert_false(StringMatchFull("^a.*$", "bac"));
}
static void test_match_with_captures(void)
{
Seq *ret = StringMatchCaptures("^a(.).*$", "abc", false);
assert_true(ret);
assert_int_equal(SeqLength(ret), 2);
assert_string_equal(BufferData(SeqAt(ret, 0)), "abc");
assert_string_equal(BufferData(SeqAt(ret, 1)), "b");
SeqDestroy(ret);
ret = StringMatchCaptures("^a(.).*$", "abc", true);
assert_true(ret);
assert_int_equal(SeqLength(ret), 4);
assert_string_equal(BufferData(SeqAt(ret, 0)), "0");
assert_string_equal(BufferData(SeqAt(ret, 1)), "abc");
assert_string_equal(BufferData(SeqAt(ret, 2)), "1");
assert_string_equal(BufferData(SeqAt(ret, 3)), "b");
SeqDestroy(ret);
ret = StringMatchCaptures("^a(?<mid>..)d*$", "abcd", false);
assert_true(ret);
assert_int_equal(SeqLength(ret), 2);
assert_string_equal(BufferData(SeqAt(ret, 0)), "abcd");
assert_string_equal(BufferData(SeqAt(ret, 1)), "bc");
SeqDestroy(ret);
ret = StringMatchCaptures("^a(?<mid>..)d*$", "abcd", true);
assert_true(ret);
assert_int_equal(SeqLength(ret), 4);
assert_string_equal(BufferData(SeqAt(ret, 0)), "0");
assert_string_equal(BufferData(SeqAt(ret, 1)), "abcd");
assert_string_equal(BufferData(SeqAt(ret, 2)), "mid");
assert_string_equal(BufferData(SeqAt(ret, 3)), "bc");
SeqDestroy(ret);
}
void test_search_and_replace(void)
{
Buffer *buf = BufferNewFrom("abcd", 4);
const char *err = BufferSearchAndReplace(buf, "b", "B", "");
assert_false(err);
assert_string_equal(BufferData(buf), "aBcd");
err = BufferSearchAndReplace(buf, "cd$", "CDef", "");
assert_false(err);
assert_string_equal(BufferData(buf), "aBCDef");
err = BufferSearchAndReplace(buf, "([A-Z]{2})([a-z]{2})", "$2$1", "");
assert_false(err);
assert_string_equal(BufferData(buf), "aBefCD");
err = BufferSearchAndReplace(buf, "([a-z]{2})([A-Z]{2})", "\\2\\1", "");
assert_false(err);
assert_string_equal(BufferData(buf), "aBCDef");
err = BufferSearchAndReplace(buf, "abcdef", "abcd", "i");
assert_false(err);
assert_string_equal(BufferData(buf), "abcd");
err = BufferSearchAndReplace(buf, "bc", "$`$'", "");
assert_false(err);
assert_string_equal(BufferData(buf), "aadd");
err = BufferSearchAndReplace(buf, "aadd", "$`$'abcd", "");
assert_false(err);
assert_string_equal(BufferData(buf), "abcd");
err = BufferSearchAndReplace(buf, "a([a-z])([a-z])d", "a$2$1d [$+]", "");
assert_false(err);
assert_string_equal(BufferData(buf), "acbd [2]");
err = BufferSearchAndReplace(buf, "a([a-z])([a-z])d", "a$2$1d [$&]", "");
assert_false(err);
assert_string_equal(BufferData(buf), "abcd [acbd] [2]");
err = BufferSearchAndReplace(buf, "a", "A", "g");
assert_false(err);
assert_string_equal(BufferData(buf), "Abcd [Acbd] [2]");
err = BufferSearchAndReplace(buf, "(\\w+).*", "$1", "");
assert_false(err);
assert_string_equal(BufferData(buf), "Abcd");
BufferDestroy(buf);
}
void test_search_and_replace_bad_backrefs(void)
{
/* According to 01_vars/02_functions/regex_replace.cf test in CFEngine core
* repo, backrefs that don't have their respective capture groups should not
* cause errors but should be replaced with empty strings */
Buffer *buf = BufferNewFrom("abcdefghij", 10);
const char *err = BufferSearchAndReplace(buf, "...", "[cap=\\1\\2\\3\\4\\5\\6\\7\\8\\9]", "g");
assert_false(err);
assert_string_equal(BufferData(buf), "[cap=][cap=][cap=]j");
BufferDestroy(buf);
buf = BufferNewFrom("abcdefghij", 10);
err = BufferSearchAndReplace(buf, "(.)(.)(.)", "[cap=\\1\\2\\3\\4\\5\\6\\7\\8\\9]", "g");
assert_false(err);
assert_string_equal(BufferData(buf), "[cap=abc][cap=def][cap=ghi]j");
BufferDestroy(buf);
buf = BufferNewFrom("abcdefghij", 10);
err = BufferSearchAndReplace(buf, "(.)(.)(.)", "[cap=$1$2$3$4$5$6$7$8$9$10$11$888]", "g");
assert_false(err);
assert_string_equal(BufferData(buf), "[cap=abc][cap=def][cap=ghi]j");
BufferDestroy(buf);
}
int main()
{
PRINT_TEST_BANNER();
const UnitTest tests[] =
{
unit_test(test_match),
unit_test(test_match_full),
unit_test(test_match_with_captures),
unit_test(test_search_and_replace),
unit_test(test_search_and_replace_bad_backrefs),
};
return run_tests(tests);
}
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