kernel
/
git
mirror of https://git.kernel.org/pub/scm/git/git.git
1
0
Fork 0
Code Releases Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69662 Commits
6 Branches
36 Tags
131 MiB
 
 
 
 
 
 
Tree: a6dc3d364c
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'a6dc3d364c'
${ noResults }
git/reftable/stack_test.c

979 lines
24 KiB
Raw Blame History

/*
Copyright 2020 Google LLC
Use of this source code is governed by a BSD-style
license that can be found in the LICENSE file or at
https://developers.google.com/open-source/licenses/bsd
*/
#include "stack.h"
#include "system.h"
#include "reftable-reader.h"
#include "merged.h"
#include "basics.h"
#include "constants.h"
#include "record.h"
#include "test_framework.h"
#include "reftable-tests.h"
#include "reader.h"
#include <sys/types.h>
#include <dirent.h>
static void clear_dir(const char *dirname)
{
struct strbuf path = STRBUF_INIT;
strbuf_addstr(&path, dirname);
remove_dir_recursively(&path, 0);
strbuf_release(&path);
}
static int count_dir_entries(const char *dirname)
{
DIR *dir = opendir(dirname);
int len = 0;
struct dirent *d;
if (!dir)
return 0;
while ((d = readdir(dir))) {
if (!strcmp(d->d_name, "..") || !strcmp(d->d_name, "."))
continue;
len++;
}
closedir(dir);
return len;
}
/*
* Work linenumber into the tempdir, so we can see which tests forget to
* cleanup.
*/
static char *get_tmp_template(int linenumber)
{
const char *tmp = getenv("TMPDIR");
static char template[1024];
snprintf(template, sizeof(template) - 1, "%s/stack_test-%d.XXXXXX",
tmp ? tmp : "/tmp", linenumber);
return template;
}
static char *get_tmp_dir(int linenumber)
{
char *dir = get_tmp_template(linenumber);
EXPECT(mkdtemp(dir));
return dir;
}
static void test_read_file(void)
{
char *fn = get_tmp_template(__LINE__);
int fd = mkstemp(fn);
char out[1024] = "line1\n\nline2\nline3";
int n, err;
char **names = NULL;
char *want[] = { "line1", "line2", "line3" };
int i = 0;
EXPECT(fd > 0);
n = write(fd, out, strlen(out));
EXPECT(n == strlen(out));
err = close(fd);
EXPECT(err >= 0);
err = read_lines(fn, &names);
EXPECT_ERR(err);
for (i = 0; names[i]; i++) {
EXPECT(0 == strcmp(want[i], names[i]));
}
free_names(names);
(void) remove(fn);
}
static void test_parse_names(void)
{
char buf[] = "line\n";
char **names = NULL;
parse_names(buf, strlen(buf), &names);
EXPECT(NULL != names[0]);
EXPECT(0 == strcmp(names[0], "line"));
EXPECT(NULL == names[1]);
free_names(names);
}
static void test_names_equal(void)
{
char *a[] = { "a", "b", "c", NULL };
char *b[] = { "a", "b", "d", NULL };
char *c[] = { "a", "b", NULL };
EXPECT(names_equal(a, a));
EXPECT(!names_equal(a, b));
EXPECT(!names_equal(a, c));
}
static int write_test_ref(struct reftable_writer *wr, void *arg)
{
struct reftable_ref_record *ref = arg;
reftable_writer_set_limits(wr, ref->update_index, ref->update_index);
return reftable_writer_add_ref(wr, ref);
}
struct write_log_arg {
struct reftable_log_record *log;
uint64_t update_index;
};
static int write_test_log(struct reftable_writer *wr, void *arg)
{
struct write_log_arg *wla = arg;
reftable_writer_set_limits(wr, wla->update_index, wla->update_index);
return reftable_writer_add_log(wr, wla->log);
}
static void test_reftable_stack_add_one(void)
{
char *dir = get_tmp_dir(__LINE__);
struct strbuf scratch = STRBUF_INIT;
int mask = umask(002);
struct reftable_write_options cfg = {
.default_permissions = 0660,
};
struct reftable_stack *st = NULL;
int err;
struct reftable_ref_record ref = {
.refname = "HEAD",
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
struct reftable_ref_record dest = { NULL };
struct stat stat_result = { 0 };
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_add(st, &write_test_ref, &ref);
EXPECT_ERR(err);
err = reftable_stack_read_ref(st, ref.refname, &dest);
EXPECT_ERR(err);
EXPECT(0 == strcmp("master", dest.value.symref));
EXPECT(st->readers_len > 0);
printf("testing print functionality:\n");
err = reftable_stack_print_directory(dir, GIT_SHA1_FORMAT_ID);
EXPECT_ERR(err);
err = reftable_stack_print_directory(dir, GIT_SHA256_FORMAT_ID);
EXPECT(err == REFTABLE_FORMAT_ERROR);
#ifndef GIT_WINDOWS_NATIVE
strbuf_addstr(&scratch, dir);
strbuf_addstr(&scratch, "/tables.list");
err = stat(scratch.buf, &stat_result);
EXPECT(!err);
EXPECT((stat_result.st_mode & 0777) == cfg.default_permissions);
strbuf_reset(&scratch);
strbuf_addstr(&scratch, dir);
strbuf_addstr(&scratch, "/");
/* do not try at home; not an external API for reftable. */
strbuf_addstr(&scratch, st->readers[0]->name);
err = stat(scratch.buf, &stat_result);
EXPECT(!err);
EXPECT((stat_result.st_mode & 0777) == cfg.default_permissions);
#else
(void) stat_result;
#endif
reftable_ref_record_release(&dest);
reftable_stack_destroy(st);
strbuf_release(&scratch);
clear_dir(dir);
umask(mask);
}
static void test_reftable_stack_uptodate(void)
{
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st1 = NULL;
struct reftable_stack *st2 = NULL;
char *dir = get_tmp_dir(__LINE__);
int err;
struct reftable_ref_record ref1 = {
.refname = "HEAD",
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
struct reftable_ref_record ref2 = {
.refname = "branch2",
.update_index = 2,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
/* simulate multi-process access to the same stack
by creating two stacks for the same directory.
*/
err = reftable_new_stack(&st1, dir, cfg);
EXPECT_ERR(err);
err = reftable_new_stack(&st2, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_add(st1, &write_test_ref, &ref1);
EXPECT_ERR(err);
err = reftable_stack_add(st2, &write_test_ref, &ref2);
EXPECT(err == REFTABLE_LOCK_ERROR);
err = reftable_stack_reload(st2);
EXPECT_ERR(err);
err = reftable_stack_add(st2, &write_test_ref, &ref2);
EXPECT_ERR(err);
reftable_stack_destroy(st1);
reftable_stack_destroy(st2);
clear_dir(dir);
}
static void test_reftable_stack_transaction_api(void)
{
char *dir = get_tmp_dir(__LINE__);
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err;
struct reftable_addition *add = NULL;
struct reftable_ref_record ref = {
.refname = "HEAD",
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
struct reftable_ref_record dest = { NULL };
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
reftable_addition_destroy(add);
err = reftable_stack_new_addition(&add, st);
EXPECT_ERR(err);
err = reftable_addition_add(add, &write_test_ref, &ref);
EXPECT_ERR(err);
err = reftable_addition_commit(add);
EXPECT_ERR(err);
reftable_addition_destroy(add);
err = reftable_stack_read_ref(st, ref.refname, &dest);
EXPECT_ERR(err);
EXPECT(REFTABLE_REF_SYMREF == dest.value_type);
EXPECT(0 == strcmp("master", dest.value.symref));
reftable_ref_record_release(&dest);
reftable_stack_destroy(st);
clear_dir(dir);
}
static void test_reftable_stack_validate_refname(void)
{
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err;
char *dir = get_tmp_dir(__LINE__);
int i;
struct reftable_ref_record ref = {
.refname = "a/b",
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
char *additions[] = { "a", "a/b/c" };
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_add(st, &write_test_ref, &ref);
EXPECT_ERR(err);
for (i = 0; i < ARRAY_SIZE(additions); i++) {
struct reftable_ref_record ref = {
.refname = additions[i],
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
err = reftable_stack_add(st, &write_test_ref, &ref);
EXPECT(err == REFTABLE_NAME_CONFLICT);
}
reftable_stack_destroy(st);
clear_dir(dir);
}
static int write_error(struct reftable_writer *wr, void *arg)
{
return *((int *)arg);
}
static void test_reftable_stack_update_index_check(void)
{
char *dir = get_tmp_dir(__LINE__);
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err;
struct reftable_ref_record ref1 = {
.refname = "name1",
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
struct reftable_ref_record ref2 = {
.refname = "name2",
.update_index = 1,
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_add(st, &write_test_ref, &ref1);
EXPECT_ERR(err);
err = reftable_stack_add(st, &write_test_ref, &ref2);
EXPECT(err == REFTABLE_API_ERROR);
reftable_stack_destroy(st);
clear_dir(dir);
}
static void test_reftable_stack_lock_failure(void)
{
char *dir = get_tmp_dir(__LINE__);
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err, i;
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
for (i = -1; i != REFTABLE_EMPTY_TABLE_ERROR; i--) {
err = reftable_stack_add(st, &write_error, &i);
EXPECT(err == i);
}
reftable_stack_destroy(st);
clear_dir(dir);
}
static void test_reftable_stack_add(void)
{
int i = 0;
int err = 0;
struct reftable_write_options cfg = {
.exact_log_message = 1,
};
struct reftable_stack *st = NULL;
char *dir = get_tmp_dir(__LINE__);
struct reftable_ref_record refs[2] = { { NULL } };
struct reftable_log_record logs[2] = { { NULL } };
int N = ARRAY_SIZE(refs);
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
st->disable_auto_compact = 1;
for (i = 0; i < N; i++) {
char buf[256];
snprintf(buf, sizeof(buf), "branch%02d", i);
refs[i].refname = xstrdup(buf);
refs[i].update_index = i + 1;
refs[i].value_type = REFTABLE_REF_VAL1;
refs[i].value.val1 = reftable_malloc(GIT_SHA1_RAWSZ);
set_test_hash(refs[i].value.val1, i);
logs[i].refname = xstrdup(buf);
logs[i].update_index = N + i + 1;
logs[i].value_type = REFTABLE_LOG_UPDATE;
logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ);
logs[i].value.update.email = xstrdup("identity@invalid");
set_test_hash(logs[i].value.update.new_hash, i);
}
for (i = 0; i < N; i++) {
int err = reftable_stack_add(st, &write_test_ref, &refs[i]);
EXPECT_ERR(err);
}
for (i = 0; i < N; i++) {
struct write_log_arg arg = {
.log = &logs[i],
.update_index = reftable_stack_next_update_index(st),
};
int err = reftable_stack_add(st, &write_test_log, &arg);
EXPECT_ERR(err);
}
err = reftable_stack_compact_all(st, NULL);
EXPECT_ERR(err);
for (i = 0; i < N; i++) {
struct reftable_ref_record dest = { NULL };
int err = reftable_stack_read_ref(st, refs[i].refname, &dest);
EXPECT_ERR(err);
EXPECT(reftable_ref_record_equal(&dest, refs + i,
GIT_SHA1_RAWSZ));
reftable_ref_record_release(&dest);
}
for (i = 0; i < N; i++) {
struct reftable_log_record dest = { NULL };
int err = reftable_stack_read_log(st, refs[i].refname, &dest);
EXPECT_ERR(err);
EXPECT(reftable_log_record_equal(&dest, logs + i,
GIT_SHA1_RAWSZ));
reftable_log_record_release(&dest);
}
/* cleanup */
reftable_stack_destroy(st);
for (i = 0; i < N; i++) {
reftable_ref_record_release(&refs[i]);
reftable_log_record_release(&logs[i]);
}
clear_dir(dir);
}
static void test_reftable_stack_log_normalize(void)
{
int err = 0;
struct reftable_write_options cfg = {
0,
};
struct reftable_stack *st = NULL;
char *dir = get_tmp_dir(__LINE__);
uint8_t h1[GIT_SHA1_RAWSZ] = { 0x01 }, h2[GIT_SHA1_RAWSZ] = { 0x02 };
struct reftable_log_record input = { .refname = "branch",
.update_index = 1,
.value_type = REFTABLE_LOG_UPDATE,
.value = { .update = {
.new_hash = h1,
.old_hash = h2,
} } };
struct reftable_log_record dest = {
.update_index = 0,
};
struct write_log_arg arg = {
.log = &input,
.update_index = 1,
};
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
input.value.update.message = "one\ntwo";
err = reftable_stack_add(st, &write_test_log, &arg);
EXPECT(err == REFTABLE_API_ERROR);
input.value.update.message = "one";
err = reftable_stack_add(st, &write_test_log, &arg);
EXPECT_ERR(err);
err = reftable_stack_read_log(st, input.refname, &dest);
EXPECT_ERR(err);
EXPECT(0 == strcmp(dest.value.update.message, "one\n"));
input.value.update.message = "two\n";
arg.update_index = 2;
err = reftable_stack_add(st, &write_test_log, &arg);
EXPECT_ERR(err);
err = reftable_stack_read_log(st, input.refname, &dest);
EXPECT_ERR(err);
EXPECT(0 == strcmp(dest.value.update.message, "two\n"));
/* cleanup */
reftable_stack_destroy(st);
reftable_log_record_release(&dest);
clear_dir(dir);
}
static void test_reftable_stack_tombstone(void)
{
int i = 0;
char *dir = get_tmp_dir(__LINE__);
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err;
struct reftable_ref_record refs[2] = { { NULL } };
struct reftable_log_record logs[2] = { { NULL } };
int N = ARRAY_SIZE(refs);
struct reftable_ref_record dest = { NULL };
struct reftable_log_record log_dest = { NULL };
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
/* even entries add the refs, odd entries delete them. */
for (i = 0; i < N; i++) {
const char *buf = "branch";
refs[i].refname = xstrdup(buf);
refs[i].update_index = i + 1;
if (i % 2 == 0) {
refs[i].value_type = REFTABLE_REF_VAL1;
refs[i].value.val1 = reftable_malloc(GIT_SHA1_RAWSZ);
set_test_hash(refs[i].value.val1, i);
}
logs[i].refname = xstrdup(buf);
/* update_index is part of the key. */
logs[i].update_index = 42;
if (i % 2 == 0) {
logs[i].value_type = REFTABLE_LOG_UPDATE;
logs[i].value.update.new_hash =
reftable_malloc(GIT_SHA1_RAWSZ);
set_test_hash(logs[i].value.update.new_hash, i);
logs[i].value.update.email =
xstrdup("identity@invalid");
}
}
for (i = 0; i < N; i++) {
int err = reftable_stack_add(st, &write_test_ref, &refs[i]);
EXPECT_ERR(err);
}
for (i = 0; i < N; i++) {
struct write_log_arg arg = {
.log = &logs[i],
.update_index = reftable_stack_next_update_index(st),
};
int err = reftable_stack_add(st, &write_test_log, &arg);
EXPECT_ERR(err);
}
err = reftable_stack_read_ref(st, "branch", &dest);
EXPECT(err == 1);
reftable_ref_record_release(&dest);
err = reftable_stack_read_log(st, "branch", &log_dest);
EXPECT(err == 1);
reftable_log_record_release(&log_dest);
err = reftable_stack_compact_all(st, NULL);
EXPECT_ERR(err);
err = reftable_stack_read_ref(st, "branch", &dest);
EXPECT(err == 1);
err = reftable_stack_read_log(st, "branch", &log_dest);
EXPECT(err == 1);
reftable_ref_record_release(&dest);
reftable_log_record_release(&log_dest);
/* cleanup */
reftable_stack_destroy(st);
for (i = 0; i < N; i++) {
reftable_ref_record_release(&refs[i]);
reftable_log_record_release(&logs[i]);
}
clear_dir(dir);
}
static void test_reftable_stack_hash_id(void)
{
char *dir = get_tmp_dir(__LINE__);
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err;
struct reftable_ref_record ref = {
.refname = "master",
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "target",
.update_index = 1,
};
struct reftable_write_options cfg32 = { .hash_id = GIT_SHA256_FORMAT_ID };
struct reftable_stack *st32 = NULL;
struct reftable_write_options cfg_default = { 0 };
struct reftable_stack *st_default = NULL;
struct reftable_ref_record dest = { NULL };
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_add(st, &write_test_ref, &ref);
EXPECT_ERR(err);
/* can't read it with the wrong hash ID. */
err = reftable_new_stack(&st32, dir, cfg32);
EXPECT(err == REFTABLE_FORMAT_ERROR);
/* check that we can read it back with default config too. */
err = reftable_new_stack(&st_default, dir, cfg_default);
EXPECT_ERR(err);
err = reftable_stack_read_ref(st_default, "master", &dest);
EXPECT_ERR(err);
EXPECT(reftable_ref_record_equal(&ref, &dest, GIT_SHA1_RAWSZ));
reftable_ref_record_release(&dest);
reftable_stack_destroy(st);
reftable_stack_destroy(st_default);
clear_dir(dir);
}
static void test_log2(void)
{
EXPECT(1 == fastlog2(3));
EXPECT(2 == fastlog2(4));
EXPECT(2 == fastlog2(5));
}
static void test_sizes_to_segments(void)
{
uint64_t sizes[] = { 2, 3, 4, 5, 7, 9 };
/* .................0 1 2 3 4 5 */
int seglen = 0;
struct segment *segs =
sizes_to_segments(&seglen, sizes, ARRAY_SIZE(sizes));
EXPECT(segs[2].log == 3);
EXPECT(segs[2].start == 5);
EXPECT(segs[2].end == 6);
EXPECT(segs[1].log == 2);
EXPECT(segs[1].start == 2);
EXPECT(segs[1].end == 5);
reftable_free(segs);
}
static void test_sizes_to_segments_empty(void)
{
int seglen = 0;
struct segment *segs = sizes_to_segments(&seglen, NULL, 0);
EXPECT(seglen == 0);
reftable_free(segs);
}
static void test_sizes_to_segments_all_equal(void)
{
uint64_t sizes[] = { 5, 5 };
int seglen = 0;
struct segment *segs =
sizes_to_segments(&seglen, sizes, ARRAY_SIZE(sizes));
EXPECT(seglen == 1);
EXPECT(segs[0].start == 0);
EXPECT(segs[0].end == 2);
reftable_free(segs);
}
static void test_suggest_compaction_segment(void)
{
uint64_t sizes[] = { 128, 64, 17, 16, 9, 9, 9, 16, 16 };
/* .................0 1 2 3 4 5 6 */
struct segment min =
suggest_compaction_segment(sizes, ARRAY_SIZE(sizes));
EXPECT(min.start == 2);
EXPECT(min.end == 7);
}
static void test_suggest_compaction_segment_nothing(void)
{
uint64_t sizes[] = { 64, 32, 16, 8, 4, 2 };
struct segment result =
suggest_compaction_segment(sizes, ARRAY_SIZE(sizes));
EXPECT(result.start == result.end);
}
static void test_reflog_expire(void)
{
char *dir = get_tmp_dir(__LINE__);
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
struct reftable_log_record logs[20] = { { NULL } };
int N = ARRAY_SIZE(logs) - 1;
int i = 0;
int err;
struct reftable_log_expiry_config expiry = {
.time = 10,
};
struct reftable_log_record log = { NULL };
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
for (i = 1; i <= N; i++) {
char buf[256];
snprintf(buf, sizeof(buf), "branch%02d", i);
logs[i].refname = xstrdup(buf);
logs[i].update_index = i;
logs[i].value_type = REFTABLE_LOG_UPDATE;
logs[i].value.update.time = i;
logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ);
logs[i].value.update.email = xstrdup("identity@invalid");
set_test_hash(logs[i].value.update.new_hash, i);
}
for (i = 1; i <= N; i++) {
struct write_log_arg arg = {
.log = &logs[i],
.update_index = reftable_stack_next_update_index(st),
};
int err = reftable_stack_add(st, &write_test_log, &arg);
EXPECT_ERR(err);
}
err = reftable_stack_compact_all(st, NULL);
EXPECT_ERR(err);
err = reftable_stack_compact_all(st, &expiry);
EXPECT_ERR(err);
err = reftable_stack_read_log(st, logs[9].refname, &log);
EXPECT(err == 1);
err = reftable_stack_read_log(st, logs[11].refname, &log);
EXPECT_ERR(err);
expiry.min_update_index = 15;
err = reftable_stack_compact_all(st, &expiry);
EXPECT_ERR(err);
err = reftable_stack_read_log(st, logs[14].refname, &log);
EXPECT(err == 1);
err = reftable_stack_read_log(st, logs[16].refname, &log);
EXPECT_ERR(err);
/* cleanup */
reftable_stack_destroy(st);
for (i = 0; i <= N; i++) {
reftable_log_record_release(&logs[i]);
}
clear_dir(dir);
reftable_log_record_release(&log);
}
static int write_nothing(struct reftable_writer *wr, void *arg)
{
reftable_writer_set_limits(wr, 1, 1);
return 0;
}
static void test_empty_add(void)
{
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
int err;
char *dir = get_tmp_dir(__LINE__);
struct reftable_stack *st2 = NULL;
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_add(st, &write_nothing, NULL);
EXPECT_ERR(err);
err = reftable_new_stack(&st2, dir, cfg);
EXPECT_ERR(err);
clear_dir(dir);
reftable_stack_destroy(st);
reftable_stack_destroy(st2);
}
static void test_reftable_stack_auto_compaction(void)
{
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st = NULL;
char *dir = get_tmp_dir(__LINE__);
int err, i;
int N = 100;
err = reftable_new_stack(&st, dir, cfg);
EXPECT_ERR(err);
st->disable_auto_compact = 1; /* call manually below for coverage. */
for (i = 0; i < N; i++) {
char name[100];
struct reftable_ref_record ref = {
.refname = name,
.update_index = reftable_stack_next_update_index(st),
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
snprintf(name, sizeof(name), "branch%04d", i);
err = reftable_stack_add(st, &write_test_ref, &ref);
EXPECT_ERR(err);
err = reftable_stack_auto_compact(st);
EXPECT_ERR(err);
EXPECT(i < 3 || st->merged->stack_len < 2 * fastlog2(i));
}
EXPECT(reftable_stack_compaction_stats(st)->entries_written <
(uint64_t)(N * fastlog2(N)));
reftable_stack_destroy(st);
clear_dir(dir);
}
static void test_reftable_stack_compaction_concurrent(void)
{
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st1 = NULL, *st2 = NULL;
char *dir = get_tmp_dir(__LINE__);
int err, i;
int N = 3;
err = reftable_new_stack(&st1, dir, cfg);
EXPECT_ERR(err);
for (i = 0; i < N; i++) {
char name[100];
struct reftable_ref_record ref = {
.refname = name,
.update_index = reftable_stack_next_update_index(st1),
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
snprintf(name, sizeof(name), "branch%04d", i);
err = reftable_stack_add(st1, &write_test_ref, &ref);
EXPECT_ERR(err);
}
err = reftable_new_stack(&st2, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_compact_all(st1, NULL);
EXPECT_ERR(err);
reftable_stack_destroy(st1);
reftable_stack_destroy(st2);
EXPECT(count_dir_entries(dir) == 2);
clear_dir(dir);
}
static void unclean_stack_close(struct reftable_stack *st)
{
/* break abstraction boundary to simulate unclean shutdown. */
int i = 0;
for (; i < st->readers_len; i++) {
reftable_reader_free(st->readers[i]);
}
st->readers_len = 0;
FREE_AND_NULL(st->readers);
}
static void test_reftable_stack_compaction_concurrent_clean(void)
{
struct reftable_write_options cfg = { 0 };
struct reftable_stack *st1 = NULL, *st2 = NULL, *st3 = NULL;
char *dir = get_tmp_dir(__LINE__);
int err, i;
int N = 3;
err = reftable_new_stack(&st1, dir, cfg);
EXPECT_ERR(err);
for (i = 0; i < N; i++) {
char name[100];
struct reftable_ref_record ref = {
.refname = name,
.update_index = reftable_stack_next_update_index(st1),
.value_type = REFTABLE_REF_SYMREF,
.value.symref = "master",
};
snprintf(name, sizeof(name), "branch%04d", i);
err = reftable_stack_add(st1, &write_test_ref, &ref);
EXPECT_ERR(err);
}
err = reftable_new_stack(&st2, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_compact_all(st1, NULL);
EXPECT_ERR(err);
unclean_stack_close(st1);
unclean_stack_close(st2);
err = reftable_new_stack(&st3, dir, cfg);
EXPECT_ERR(err);
err = reftable_stack_clean(st3);
EXPECT_ERR(err);
EXPECT(count_dir_entries(dir) == 2);
reftable_stack_destroy(st1);
reftable_stack_destroy(st2);
reftable_stack_destroy(st3);
clear_dir(dir);
}
int stack_test_main(int argc, const char *argv[])
{
RUN_TEST(test_empty_add);
RUN_TEST(test_log2);
RUN_TEST(test_names_equal);
RUN_TEST(test_parse_names);
RUN_TEST(test_read_file);
RUN_TEST(test_reflog_expire);
RUN_TEST(test_reftable_stack_add);
RUN_TEST(test_reftable_stack_add_one);
RUN_TEST(test_reftable_stack_auto_compaction);
RUN_TEST(test_reftable_stack_compaction_concurrent);
RUN_TEST(test_reftable_stack_compaction_concurrent_clean);
RUN_TEST(test_reftable_stack_hash_id);
RUN_TEST(test_reftable_stack_lock_failure);
RUN_TEST(test_reftable_stack_log_normalize);
RUN_TEST(test_reftable_stack_tombstone);
RUN_TEST(test_reftable_stack_transaction_api);
RUN_TEST(test_reftable_stack_update_index_check);
RUN_TEST(test_reftable_stack_uptodate);
RUN_TEST(test_reftable_stack_validate_refname);
RUN_TEST(test_sizes_to_segments);
RUN_TEST(test_sizes_to_segments_all_equal);
RUN_TEST(test_sizes_to_segments_empty);
RUN_TEST(test_suggest_compaction_segment);
RUN_TEST(test_suggest_compaction_segment_nothing);
return 0;
}