rocksdb/db/error_handler_test.cc

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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "db/db_test_util.h"
#include "port/stack_trace.h"
#include "rocksdb/perf_context.h"
#include "util/fault_injection_test_env.h"
#if !defined(ROCKSDB_LITE)
#include "util/sync_point.h"
#endif
namespace rocksdb {
class DBErrorHandlingTest : public DBTestBase {
public:
DBErrorHandlingTest() : DBTestBase("/db_error_handling_test") {}
};
class DBErrorHandlingEnv : public EnvWrapper {
public:
DBErrorHandlingEnv() : EnvWrapper(Env::Default()),
trig_no_space(false), trig_io_error(false) {}
void SetTrigNoSpace() {trig_no_space = true;}
void SetTrigIoError() {trig_io_error = true;}
private:
bool trig_no_space;
bool trig_io_error;
};
TEST_F(DBErrorHandlingTest, FLushWriteError) {
std::unique_ptr<FaultInjectionTestEnv> fault_env(
new FaultInjectionTestEnv(Env::Default()));
Options options = GetDefaultOptions();
options.create_if_missing = true;
options.env = fault_env.get();
Status s;
DestroyAndReopen(options);
Put(Key(0), "va;");
SyncPoint::GetInstance()->SetCallBack(
"FlushJob::Start", [&](void *) {
fault_env->SetFilesystemActive(false, Status::NoSpace("Out of space"));
});
SyncPoint::GetInstance()->EnableProcessing();
s = Flush();
ASSERT_EQ(s.severity(), rocksdb::Status::Severity::kSoftError);
fault_env->SetFilesystemActive(true);
s = dbfull()->Resume();
ASSERT_EQ(s, Status::OK());
Destroy(options);
}
TEST_F(DBErrorHandlingTest, CompactionWriteError) {
std::unique_ptr<FaultInjectionTestEnv> fault_env(
new FaultInjectionTestEnv(Env::Default()));
Options options = GetDefaultOptions();
options.create_if_missing = true;
options.level0_file_num_compaction_trigger = 2;
options.env = fault_env.get();
Status s;
DestroyAndReopen(options);
Put(Key(0), "va;");
Put(Key(2), "va;");
s = Flush();
ASSERT_EQ(s, Status::OK());
rocksdb::SyncPoint::GetInstance()->LoadDependency(
{{"FlushMemTableFinished", "BackgroundCallCompaction:0"}});
rocksdb::SyncPoint::GetInstance()->SetCallBack(
"BackgroundCallCompaction:0", [&](void *) {
fault_env->SetFilesystemActive(false, Status::NoSpace("Out of space"));
});
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
Put(Key(1), "val");
s = Flush();
ASSERT_EQ(s, Status::OK());
s = dbfull()->TEST_WaitForCompact();
ASSERT_EQ(s.severity(), rocksdb::Status::Severity::kSoftError);
fault_env->SetFilesystemActive(true);
s = dbfull()->Resume();
ASSERT_EQ(s, Status::OK());
Destroy(options);
}
TEST_F(DBErrorHandlingTest, CorruptionError) {
std::unique_ptr<FaultInjectionTestEnv> fault_env(
new FaultInjectionTestEnv(Env::Default()));
Options options = GetDefaultOptions();
options.create_if_missing = true;
options.level0_file_num_compaction_trigger = 2;
options.env = fault_env.get();
Status s;
DestroyAndReopen(options);
Put(Key(0), "va;");
Put(Key(2), "va;");
s = Flush();
ASSERT_EQ(s, Status::OK());
rocksdb::SyncPoint::GetInstance()->LoadDependency(
{{"FlushMemTableFinished", "BackgroundCallCompaction:0"}});
rocksdb::SyncPoint::GetInstance()->SetCallBack(
"BackgroundCallCompaction:0", [&](void *) {
fault_env->SetFilesystemActive(false, Status::Corruption("Corruption"));
});
rocksdb::SyncPoint::GetInstance()->EnableProcessing();
Put(Key(1), "val");
s = Flush();
ASSERT_EQ(s, Status::OK());
s = dbfull()->TEST_WaitForCompact();
ASSERT_EQ(s.severity(), rocksdb::Status::Severity::kUnrecoverableError);
fault_env->SetFilesystemActive(true);
s = dbfull()->Resume();
ASSERT_NE(s, Status::OK());
Destroy(options);
}
} // namespace rocksdb
int main(int argc, char** argv) {
rocksdb::port::InstallStackTraceHandler();
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}