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rocksdb/db/flush_job_test.cc

113 lines
3.8 KiB

// Copyright (c) 2013, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#include "db/flush_job.h"
#include "db/column_family.h"
#include "db/version_set.h"
#include "rocksdb/cache.h"
#include "util/testharness.h"
#include "util/testutil.h"
namespace rocksdb {
// TODO(icanadi) Mock out everything else:
// 1. VersionSet
// 2. TableBuilder
// 3. Memtable
class FlushJobTest {
public:
FlushJobTest()
: env_(Env::Default()),
dbname_(test::TmpDir() + "/flush_job_test"),
table_cache_(NewLRUCache(50000, 16, 8)),
versions_(new VersionSet(dbname_, &db_options_, env_options_,
table_cache_.get(), &write_controller_)),
shutting_down_(false) {
ASSERT_OK(env_->CreateDirIfMissing(dbname_));
db_options_.db_paths.emplace_back(dbname_,
std::numeric_limits<uint64_t>::max());
// TODO(icanadi) Remove this once we mock out VersionSet
NewDB();
std::vector<ColumnFamilyDescriptor> column_families;
column_families.emplace_back();
ASSERT_OK(versions_->Recover(column_families, false));
}
void NewDB() {
VersionEdit new_db;
new_db.SetLogNumber(0);
new_db.SetNextFile(2);
new_db.SetLastSequence(0);
const std::string manifest = DescriptorFileName(dbname_, 1);
unique_ptr<WritableFile> file;
Status s = env_->NewWritableFile(
manifest, &file, env_->OptimizeForManifestWrite(env_options_));
ASSERT_OK(s);
{
log::Writer log(std::move(file));
std::string record;
new_db.EncodeTo(&record);
s = log.AddRecord(record);
}
ASSERT_OK(s);
// Make "CURRENT" file that points to the new manifest file.
s = SetCurrentFile(env_, dbname_, 1, nullptr);
}
Env* env_;
std::string dbname_;
EnvOptions env_options_;
std::shared_ptr<Cache> table_cache_;
WriteController write_controller_;
DBOptions db_options_;
ColumnFamilyOptions cf_options_;
std::unique_ptr<VersionSet> versions_;
port::Mutex mutex_;
std::atomic<bool> shutting_down_;
FileNumToPathIdMap pending_outputs_;
};
TEST(FlushJobTest, Empty) {
JobContext job_context;
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
FlushJob flush_job(dbname_, versions_->GetColumnFamilySet()->GetDefault(),
db_options_, *cfd->GetLatestMutableCFOptions(),
env_options_, versions_.get(), &mutex_, &shutting_down_,
&pending_outputs_, SequenceNumber(), &job_context, nullptr,
nullptr, kNoCompression, nullptr);
ASSERT_OK(flush_job.Run());
}
TEST(FlushJobTest, NonEmpty) {
JobContext job_context;
auto cfd = versions_->GetColumnFamilySet()->GetDefault();
auto new_mem = new MemTable(cfd->internal_comparator(), *cfd->ioptions(),
*cfd->GetLatestMutableCFOptions());
new_mem->Ref();
for (int i = 1; i < 10000; ++i) {
std::string key(std::to_string(i));
std::string value("value" + std::to_string(i));
new_mem->Add(SequenceNumber(i), kTypeValue, key, value);
}
cfd->imm()->Add(new_mem);
FlushJob flush_job(dbname_, versions_->GetColumnFamilySet()->GetDefault(),
db_options_, *cfd->GetLatestMutableCFOptions(),
env_options_, versions_.get(), &mutex_, &shutting_down_,
&pending_outputs_, SequenceNumber(), &job_context, nullptr,
nullptr, kNoCompression, nullptr);
mutex_.Lock();
ASSERT_OK(flush_job.Run());
mutex_.Unlock();
// TODO(icanadi) once you have TableMock, verify that key-values are as
// expected
}
} // namespace rocksdb
int main(int argc, char** argv) { return rocksdb::test::RunAllTests(); }