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t-reftable-block: add tests for index blocks

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In the current testing setup, block operations are left unexercised
for index blocks. Add a test that exercises these operations for
index blocks.

Mentored-by: Patrick Steinhardt <ps@pks.im>
Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Chandra Pratap <chandrapratap3519@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Chandra Pratap
2024-08-21 18:01:01 +05:30
committed by Junio C Hamano
parent 1528c481d7
commit 772408fe75
1 changed files with 88 additions and 0 deletions
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88
t/unit-tests/t-reftable-block.c
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@ -272,8 +272,96 @@ static void t_obj_block_read_write(void)
reftable_record_release(&recs[i]);
}
static void t_index_block_read_write(void)
{
const int header_off = 21;
struct reftable_record recs[30];
const size_t N = ARRAY_SIZE(recs);
const size_t block_size = 1024;
struct reftable_block block = { 0 };
struct block_writer bw = {
.last_key = STRBUF_INIT,
};
struct reftable_record rec = {
.type = BLOCK_TYPE_INDEX,
.u.idx.last_key = STRBUF_INIT,
};
size_t i = 0;
int ret;
struct block_reader br = { 0 };
struct block_iter it = BLOCK_ITER_INIT;
struct strbuf want = STRBUF_INIT, buf = STRBUF_INIT;
REFTABLE_CALLOC_ARRAY(block.data, block_size);
block.len = block_size;
block_source_from_strbuf(&block.source, &buf);
block_writer_init(&bw, BLOCK_TYPE_INDEX, block.data, block_size,
header_off, hash_size(GIT_SHA1_FORMAT_ID));
for (i = 0; i < N; i++) {
strbuf_init(&recs[i].u.idx.last_key, 9);
recs[i].type = BLOCK_TYPE_INDEX;
strbuf_addf(&recs[i].u.idx.last_key, "branch%02"PRIuMAX, (uintmax_t)i);
recs[i].u.idx.offset = i;
ret = block_writer_add(&bw, &recs[i]);
check_int(ret, ==, 0);
}
ret = block_writer_finish(&bw);
check_int(ret, >, 0);
block_writer_release(&bw);
block_reader_init(&br, &block, header_off, block_size, GIT_SHA1_RAWSZ);
block_iter_seek_start(&it, &br);
for (i = 0; ; i++) {
ret = block_iter_next(&it, &rec);
check_int(ret, >=, 0);
if (ret > 0) {
check_int(i, ==, N);
break;
}
check(reftable_record_equal(&recs[i], &rec, GIT_SHA1_RAWSZ));
}
for (i = 0; i < N; i++) {
block_iter_reset(&it);
reftable_record_key(&recs[i], &want);
ret = block_iter_seek_key(&it, &br, &want);
check_int(ret, ==, 0);
ret = block_iter_next(&it, &rec);
check_int(ret, ==, 0);
check(reftable_record_equal(&recs[i], &rec, GIT_SHA1_RAWSZ));
want.len--;
ret = block_iter_seek_key(&it, &br, &want);
check_int(ret, ==, 0);
ret = block_iter_next(&it, &rec);
check_int(ret, ==, 0);
check(reftable_record_equal(&recs[10 * (i / 10)], &rec, GIT_SHA1_RAWSZ));
}
block_reader_release(&br);
block_iter_close(&it);
reftable_record_release(&rec);
reftable_block_done(&br.block);
strbuf_release(&want);
strbuf_release(&buf);
for (i = 0; i < N; i++)
reftable_record_release(&recs[i]);
}
int cmd_main(int argc, const char *argv[])
{
TEST(t_index_block_read_write(), "read-write operations on index blocks work");
TEST(t_log_block_read_write(), "read-write operations on log blocks work");
TEST(t_obj_block_read_write(), "read-write operations on obj blocks work");
TEST(t_ref_block_read_write(), "read-write operations on ref blocks work");