Make DBCompactionTest.SkipStatsUpdateTest more stable.

Summary:
Make DBCompactionTest.SkipStatsUpdateTest more stable by
removing flaky but unnecessary assertion on the size of db
as simply checking the random file open count is suffice.

Test Plan: db_compaction_test

Reviewers: igor, anthony, IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43533
main
Yueh-Hsuan Chiang 9 years ago
parent 3424eeb1ed
commit 241bb2aef3
  1. 18
      db/db_compaction_test.cc

@ -255,9 +255,6 @@ TEST_F(DBCompactionTest, SkipStatsUpdateTest) {
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
uint64_t db_size[2];
db_size[0] = Size(Key(0), Key(kTestSize - 1));
for (int k = 0; k < kTestSize; ++k) {
ASSERT_OK(Delete(Key(k)));
}
@ -266,31 +263,20 @@ TEST_F(DBCompactionTest, SkipStatsUpdateTest) {
options.skip_stats_update_on_db_open = true;
env_->random_file_open_counter_.store(0);
Reopen(options);
// As stats-update is disabled, we expect a very low
// number of random file open.
ASSERT_LT(env_->random_file_open_counter_.load(), 5);
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
db_size[1] = Size(Key(0), Key(kTestSize - 1));
// As stats update is disabled, we expect the deletion
// entries are not properly processed.
ASSERT_LT(db_size[0] / 3, db_size[1]);
// Repeat the reopen process, but this time we enable
// stats-update.
options.skip_stats_update_on_db_open = false;
env_->random_file_open_counter_.store(0);
Reopen(options);
// Since we do a normal stats update on db-open, there
// will be more random open files.
ASSERT_GT(env_->random_file_open_counter_.load(), 5);
dbfull()->TEST_WaitForFlushMemTable();
dbfull()->TEST_WaitForCompact();
db_size[1] = Size(Key(0), Key(kTestSize - 1));
// and we expect the deleiton entries being handled.
ASSERT_GT(db_size[0] / 3, db_size[1]);
}
TEST_F(DBCompactionTest, CompactionDeletionTriggerReopen) {

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