Attachment 78233 Details for Bug 63672 – Test program for this bug.

Test program for this bug.

test-journal-skip.c (text/plain), 5.63 KB, created by Marius Vollmer on 2013-04-19 11:20:34 UTC

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Creator: Marius Vollmer

Created: 2013-04-19 11:20:34 UTC

Size: 5.63 KB

patch

obsolete

>/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
>
>/***
>  This file is part of systemd.
>
>  Copyright 2012, 2013 Lennart Poettering
>
>  systemd is free software; you can redistribute it and/or modify it
>  under the terms of the GNU Lesser General Public License as published by
>  the Free Software Foundation; either version 2.1 of the License, or
>  (at your option) any later version.
>
>  systemd is distributed in the hope that it will be useful, but
>  WITHOUT ANY WARRANTY; without even the implied warranty of
>  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
>  Lesser General Public License for more details.
>
>  You should have received a copy of the GNU Lesser General Public License
>  along with systemd; If not, see <http://www.gnu.org/licenses/>.
>***/
>
>#include <unistd.h>
>#include <fcntl.h>
>
>#include <systemd/sd-journal.h>
>
>#include "journal-file.h"
>#include "journal-internal.h"
>#include "util.h"
>#include "log.h"
>
>/* This program tests skipping around in a multi-file journal.
> */
>
>static void log_assert_errno(const char *text, int eno, const char *file, int line, const char *func) {
>        log_meta(LOG_CRIT, file, line, func,
>                 "'%s' failed at %s:%u (%s): %s.",
>                 text, file, line, func, strerror(eno));
>        abort();
>}
>
>#define assert_ret(expr)                                                \
>        do {                                                            \
>                int _r_ = (expr);                                       \
>                if (_unlikely_(_r_ < 0))                                \
>                        log_assert_errno(#expr, -_r_, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
>        } while (false)
>
>static JournalFile *test_open (const char *name)
>{
>        JournalFile *f;
>        assert_ret(journal_file_open(name, O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &f));
>        return f;
>}
>
>static void test_close (JournalFile *f)
>{
>        journal_file_close (f);
>}
>
>static void test_append_number(JournalFile *f, int n)
>{
>        char *p;
>        dual_timestamp ts;
>        struct iovec iovec[1];
>
>        dual_timestamp_get(&ts);
>
>        assert_se(asprintf(&p, "NUMBER=%d", n) >= 0);
>        iovec[0].iov_base = p;
>        iovec[0].iov_len = strlen(p);
>        assert_ret(journal_file_append_entry(f, &ts, iovec, 1, NULL, NULL, NULL));
>        free (p);
>}
>
>static void test_check_number (sd_journal *j, int n)
>{
>        const void *d;
>        char *k;
>        size_t l;
>        int x;
>
>        assert_ret(sd_journal_get_data(j, "NUMBER", &d, &l));
>        assert_se(k = strndup(d, l));
>        printf("%s\n", k);
>
>        assert_se(safe_atoi(k + 7, &x) >= 0);
>        assert_se(n == x);
>}
>
>static void test_check_numbers_down (sd_journal *j, int count)
>{
>        for (int i = 1; i <= count; i++) {
>                int r;
>                test_check_number(j, i);
>                assert_ret(r = sd_journal_next(j));
>                if (i == count)
>                        assert_se(r == 0);
>                else
>                        assert_se(r == 1);
>        }
>
>}
>
>static void test_check_numbers_up (sd_journal *j, int count)
>{
>        for (int i = count; i >= 1; i--) {
>                int r;
>                test_check_number(j, i);
>                assert_ret(r = sd_journal_previous(j));
>                if (i == 1)
>                        assert_se(r == 0);
>                else
>                        assert_se(r == 1);
>        }
>
>}
>
>static void setup_sequential(void) {
>        JournalFile *one, *two;
>        one = test_open("one.journal");
>        two = test_open("two.journal");
>        test_append_number(one, 1);
>        test_append_number(one, 2);
>        test_append_number(two, 3);
>        test_append_number(two, 4);
>        test_close(one);
>        test_close(two);
>}
>
>static void setup_interleaved(void) {
>        JournalFile *one, *two;
>        one = test_open("one.journal");
>        two = test_open("two.journal");
>        test_append_number(one, 1);
>        test_append_number(two, 2);
>        test_append_number(one, 3);
>        test_append_number(two, 4);
>        test_close(one);
>        test_close(two);
>}
>
>static void test_skip(void (*setup)(void))
>{
>        char t[] = "/tmp/journal-skip-XXXXXX";
>        sd_journal *j;
>        int r;
>
>        log_set_max_level(LOG_DEBUG);
>
>        assert_se(mkdtemp(t));
>        assert_se(chdir(t) >= 0);
>
>        setup();
>
>        /* Seek to head, iterate down.
>         */
>        assert_ret(sd_journal_open_directory(&j, t, 0));
>        assert_ret(sd_journal_seek_head(j));
>        assert_ret(sd_journal_next(j));
>        test_check_numbers_down(j, 4);
>        sd_journal_close(j);
>
>        /* Seek to tail, iterate up.
>         */
>        assert_ret(sd_journal_open_directory(&j, t, 0));
>        assert_ret(sd_journal_seek_tail(j));
>        assert_ret(sd_journal_previous(j));
>        test_check_numbers_up(j, 4);
>        sd_journal_close(j);
>
>        /* Seek to tail, skip to head, iterate down.
>         */
>        assert_ret(sd_journal_open_directory(&j, t, 0));
>        assert_ret(sd_journal_seek_tail(j));
>        assert_ret(r = sd_journal_previous_skip(j, 4));
>        assert_se(r == 4);
>        test_check_numbers_down(j, 4);
>        sd_journal_close(j);
>
>        /* Seek to head, skip to tail, iterate up.
>         */
>        assert_ret(sd_journal_open_directory(&j, t, 0));
>        assert_ret(sd_journal_seek_head(j));
>        assert_ret(r = sd_journal_next_skip(j, 4));
>        assert_se(r == 4);
>        test_check_numbers_up(j, 4);
>        sd_journal_close(j);
>
>        assert_ret(rm_rf_dangerous(t, false, true, false));
>}
>
>int main(int argc, char *argv[]) {
>        test_skip(setup_sequential);
>        test_skip(setup_interleaved);
>        return 0;
>}

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