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reftable/stack: extract function to setup stack with N tables

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We're about to add two tests, and both of them will want to initialize
the reftable stack with a set of N tables. Introduce a new function that
handles this and refactor existing tests that use such a setup to use
it.

Note that this changes the exact records contained in the preexisting
tests. This is fine though as we only care about the shape of the stack
here, not the shape of each table.

Furthermore, with this change we now start to disable auto compaction
when writing the tables, as otherwise we might not end up with the
expected amount of new tables added. This also slightly changes the
behaviour of these tests, but the properties we care for remain intact.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-08-08 16:06:24 +02:00
committed by Junio C Hamano
parent ed7d2f4770
commit 9a833ca35d
1 changed files with 32 additions and 32 deletions
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64
reftable/stack_test.c
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@ -109,6 +109,34 @@ static int write_test_ref(struct reftable_writer *wr, void *arg)
return reftable_writer_add_ref(wr, ref);
}
static void write_n_ref_tables(struct reftable_stack *st,
size_t n)
{
struct strbuf buf = STRBUF_INIT;
int disable_auto_compact;
int err;
disable_auto_compact = st->opts.disable_auto_compact;
st->opts.disable_auto_compact = 1;
for (size_t i = 0; i < n; i++) {
struct reftable_ref_record ref = {
.update_index = reftable_stack_next_update_index(st),
.value_type = REFTABLE_REF_VAL1,
};
strbuf_addf(&buf, "refs/heads/branch-%04u", (unsigned) i);
ref.refname = buf.buf;
set_test_hash(ref.value.val1, i);
err = reftable_stack_add(st, &write_test_ref, &ref);
EXPECT_ERR(err);
}
st->opts.disable_auto_compact = disable_auto_compact;
strbuf_release(&buf);
}
struct write_log_arg {
struct reftable_log_record *log;
uint64_t update_index;
@ -916,25 +944,11 @@ static void test_reftable_stack_compaction_concurrent(void)
struct reftable_write_options opts = { 0 };
struct reftable_stack *st1 = NULL, *st2 = NULL;
char *dir = get_tmp_dir(__LINE__);
int err, i;
int N = 3;
int err;
err = reftable_new_stack(&st1, dir, &opts);
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 = (char *) "master",
};
snprintf(name, sizeof(name), "branch%04d", i);
err = reftable_stack_add(st1, &write_test_ref, &ref);
EXPECT_ERR(err);
}
write_n_ref_tables(st1, 3);
err = reftable_new_stack(&st2, dir, &opts);
EXPECT_ERR(err);
@ -965,25 +979,11 @@ static void test_reftable_stack_compaction_concurrent_clean(void)
struct reftable_write_options opts = { 0 };
struct reftable_stack *st1 = NULL, *st2 = NULL, *st3 = NULL;
char *dir = get_tmp_dir(__LINE__);
int err, i;
int N = 3;
int err;
err = reftable_new_stack(&st1, dir, &opts);
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 = (char *) "master",
};
snprintf(name, sizeof(name), "branch%04d", i);
err = reftable_stack_add(st1, &write_test_ref, &ref);
EXPECT_ERR(err);
}
write_n_ref_tables(st1, 3);
err = reftable_new_stack(&st2, dir, &opts);
EXPECT_ERR(err);