[PATCH v2 09/11] t-reftable-block: add tests for log blocks

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In the current testing setup, block operations are only exercised
for ref blocks. Add another test that exercises these operations
for log blocks as well.

Mentored-by: Patrick Steinhardt <ps@xxxxxx>
Mentored-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
Signed-off-by: Chandra Pratap <chandrapratap3519@xxxxxxxxx>
---
 t/unit-tests/t-reftable-block.c | 92 ++++++++++++++++++++++++++++++++-
 1 file changed, 90 insertions(+), 2 deletions(-)

diff --git a/t/unit-tests/t-reftable-block.c b/t/unit-tests/t-reftable-block.c
index 6aa86a3edf..1256c7df6a 100644
--- a/t/unit-tests/t-reftable-block.c
+++ b/t/unit-tests/t-reftable-block.c
@@ -12,7 +12,7 @@ license that can be found in the LICENSE file or at
 #include "reftable/constants.h"
 #include "reftable/reftable-error.h"
 
-static void t_block_read_write(void)
+static void t_ref_block_read_write(void)
 {
 	const int header_off = 21; /* random */
 	struct reftable_record recs[30];
@@ -103,9 +103,97 @@ static void t_block_read_write(void)
 		reftable_record_release(&recs[i]);
 }
 
+static void t_log_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 = 2048;
+	struct reftable_block block = { 0 };
+	struct block_writer bw = {
+		.last_key = STRBUF_INIT,
+	};
+	struct reftable_record rec = {
+		.type = BLOCK_TYPE_LOG,
+	};
+	size_t i = 0;
+	int ret;
+	struct block_reader br = { 0 };
+	struct block_iter it = BLOCK_ITER_INIT;
+	struct strbuf want = STRBUF_INIT;
+
+	REFTABLE_CALLOC_ARRAY(block.data, block_size);
+	block.len = block_size;
+	block.source = malloc_block_source();
+	block_writer_init(&bw, BLOCK_TYPE_LOG, block.data, block_size,
+			  header_off, hash_size(GIT_SHA1_FORMAT_ID));
+
+	for (i = 0; i < N; i++) {
+		rec.u.log.refname = xstrfmt("branch%02"PRIuMAX , (uintmax_t)i);
+		rec.u.log.update_index = i;
+		rec.u.log.value_type = REFTABLE_LOG_UPDATE;
+
+		recs[i] = rec;
+		ret = block_writer_add(&bw, &rec);
+		rec.u.log.refname = NULL;
+		rec.u.log.value_type = REFTABLE_LOG_DELETION;
+		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);
+		strbuf_reset(&want);
+		strbuf_addstr(&want, recs[i].u.log.refname);
+
+		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);
+	for (i = 0; i < N; i++)
+		reftable_record_release(&recs[i]);
+}
+
 int cmd_main(int argc, const char *argv[])
 {
-	TEST(t_block_read_write(), "read-write operations on blocks work");
+	TEST(t_log_block_read_write(), "read-write operations on log blocks work");
+	TEST(t_ref_block_read_write(), "read-write operations on ref blocks work");
 
 	return test_done();
 }
-- 
2.45.GIT





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