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lvm2/test/unit/matcher_t.c
Zdenek Kabelac c48cc22b18 const: tests
2024-05-08 01:55:21 +02:00

130 lines
3.4 KiB
C

/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2010 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU General Public License v.2.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "units.h"
#include "device_mapper/all.h"
#include "matcher_data.h"
static void *_mem_init(void)
{
struct dm_pool *mem = dm_pool_create("bitset test", 1024);
if (!mem) {
fprintf(stderr, "out of memory");
exit(1);
}
return mem;
}
static void _mem_exit(void *mem)
{
dm_pool_destroy(mem);
}
static struct dm_regex *make_scanner(struct dm_pool *mem, const char * const *rx)
{
struct dm_regex *scanner;
int nrx = 0;
for (; rx[nrx]; ++nrx);
scanner = dm_regex_create(mem, rx, nrx);
T_ASSERT(scanner != NULL);
return scanner;
}
static void test_fingerprints(void *fixture)
{
struct dm_pool *mem = fixture;
struct dm_regex *scanner;
scanner = make_scanner(mem, dev_patterns);
T_ASSERT_EQUAL(dm_regex_fingerprint(scanner), 0x7f556c09);
scanner = make_scanner(mem, random_patterns);
T_ASSERT_EQUAL(dm_regex_fingerprint(scanner), 0x9f11076c);
}
static void test_matching(void *fixture)
{
struct dm_pool *mem = fixture;
struct dm_regex *scanner;
int i;
scanner = make_scanner(mem, dev_patterns);
for (i = 0; devices[i].str; ++i)
T_ASSERT_EQUAL(dm_regex_match(scanner, devices[i].str), devices[i].expected - 1);
scanner = make_scanner(mem, nonprint_patterns);
for (i = 0; nonprint[i].str; ++i)
T_ASSERT_EQUAL(dm_regex_match(scanner, nonprint[i].str), nonprint[i].expected - 1);
}
static void test_kabi_query(void *fixture)
{
// Remember, matches regexes from last to first.
static const char * const _patterns[] = {
".*", ".*/dev/md.*", "loop"
};
static const struct {
const char *input;
int r;
} _cases[] = {
{"foo", 0},
{"/dev/mapper/vg-lvol1", 0},
{"/dev/mapper/vglvol1", 0},
{"/dev/md1", 1},
{"loop", 2},
};
int r;
unsigned i;
struct dm_pool *mem = fixture;
struct dm_regex *scanner;
scanner = dm_regex_create(mem, _patterns, DM_ARRAY_SIZE(_patterns));
T_ASSERT(scanner != NULL);
for (i = 0; i < DM_ARRAY_SIZE(_cases); i++) {
r = dm_regex_match(scanner, _cases[i].input);
if (r != _cases[i].r) {
test_fail("'%s' expected to match '%s', but matched %s",
_cases[i].input,
_cases[i].r >= DM_ARRAY_SIZE(_patterns) ? "<nothing>" : _patterns[_cases[i].r],
r >= DM_ARRAY_SIZE(_patterns) ? "<nothing>" : _patterns[r]);
}
}
}
#define T(path, desc, fn) register_test(ts, "/base/regex/" path, desc, fn)
void regex_tests(struct dm_list *all_tests)
{
struct test_suite *ts = test_suite_create(_mem_init, _mem_exit);
if (!ts) {
fprintf(stderr, "out of memory\n");
exit(1);
}
T("fingerprints", "not sure", test_fingerprints);
T("matching", "test the matcher with a variety of regexes", test_matching);
T("kabi-query", "test the matcher with some specific patterns", test_kabi_query);
dm_list_add(all_tests, &ts->list);
}