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Make corruption_test more robust

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Summary:
Latest travis failed because of corruption test TableFileIndexData: https://travis-ci.org/facebook/rocksdb/jobs/83732558

This diff makes the test more explicit:
1. create two files
2. corrupt the second's file index
3. expect to get only 5000 keys when range scanning

Test Plan: the test is still passing :)

Reviewers: sdong, rven, yhchiang, kradhakrishnan, IslamAbdelRahman, anthony

Reviewed By: anthony

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D48183
This commit is contained in:
Igor Canadi 2015-10-05 14:46:28 -07:00
parent bf19dbff44
commit 9eaff629e3
1 changed files with 15 additions and 3 deletions
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18
db/corruption_test.cc
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@ -87,10 +87,14 @@ class CorruptionTest : public testing::Test {
ASSERT_OK(::rocksdb::RepairDB(dbname_, options_));
}
void Build(int n) {
void Build(int n, int flush_every = 0) {
std::string key_space, value_space;
WriteBatch batch;
for (int i = 0; i < n; i++) {
if (flush_every != 0 && i != 0 && i % flush_every == 0) {
DBImpl* dbi = reinterpret_cast<DBImpl*>(db_);
dbi->TEST_FlushMemTable();
}
//if ((i % 100) == 0) fprintf(stderr, "@ %d of %d\n", i, n);
Slice key = Key(i, &key_space);
batch.Clear();
@ -297,13 +301,21 @@ TEST_F(CorruptionTest, TableFile) {
}
TEST_F(CorruptionTest, TableFileIndexData) {
Build(10000); // Enough to build multiple Tables
Options options;
// very big, we'll trigger flushes manually
options.write_buffer_size = 100 * 1024 * 1024;
Reopen(&options);
// build 2 tables, flush at 5000
Build(10000, 5000);
DBImpl* dbi = reinterpret_cast<DBImpl*>(db_);
dbi->TEST_FlushMemTable();
// corrupt an index block of an entire file
Corrupt(kTableFile, -2000, 500);
Reopen();
Check(5000, 9999);
// one full file should be readable, since only one was corrupted
// the other file should be fully non-readable, since index was corrupted
Check(5000, 5000);
}
TEST_F(CorruptionTest, MissingDescriptor) {