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