afa3518839
Summary:
This reverts commit 8d87e9cea1.
Based on offline discussions, it's too early to upgrade to gtest 1.10, as it prevents some developers from using an older version of gtest to integrate to some other systems. Revert it for now.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6923
Reviewed By: pdillinger
Differential Revision: D21864799
fbshipit-source-id: d0726b1ff649fc911b9378f1763316200bd363fc
244 lines
9.1 KiB
C++
244 lines
9.1 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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#include "table/block_based/block_based_table_reader.h"
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#include "db/table_properties_collector.h"
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#include "options/options_helper.h"
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#include "port/port.h"
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#include "port/stack_trace.h"
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#include "table/block_based/block_based_table_builder.h"
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#include "table/block_based/block_based_table_factory.h"
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#include "table/format.h"
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#include "test_util/testharness.h"
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#include "test_util/testutil.h"
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namespace ROCKSDB_NAMESPACE {
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class BlockBasedTableReaderTest
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: public testing::Test,
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public testing::WithParamInterface<std::tuple<CompressionType, bool>> {
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protected:
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CompressionType compression_type_;
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bool use_direct_reads_;
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void SetUp() override {
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std::tie(compression_type_, use_direct_reads_) = GetParam();
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test::SetupSyncPointsToMockDirectIO();
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test_dir_ = test::PerThreadDBPath("block_based_table_reader_test");
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env_ = Env::Default();
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fs_ = FileSystem::Default();
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ASSERT_OK(fs_->CreateDir(test_dir_, IOOptions(), nullptr));
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}
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void TearDown() override { EXPECT_OK(test::DestroyDir(env_, test_dir_)); }
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// Creates a table with the specificied key value pairs (kv).
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void CreateTable(const std::string& table_name,
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const CompressionType& compression_type,
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const std::map<std::string, std::string>& kv) {
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std::unique_ptr<WritableFileWriter> writer;
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NewFileWriter(table_name, &writer);
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// Create table builder.
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Options options;
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ImmutableCFOptions ioptions(options);
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InternalKeyComparator comparator(options.comparator);
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ColumnFamilyOptions cf_options;
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MutableCFOptions moptions(cf_options);
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std::vector<std::unique_ptr<IntTblPropCollectorFactory>> factories;
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std::unique_ptr<TableBuilder> table_builder(table_factory_.NewTableBuilder(
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TableBuilderOptions(ioptions, moptions, comparator, &factories,
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compression_type, 0 /* sample_for_compression */,
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CompressionOptions(), false /* skip_filters */,
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kDefaultColumnFamilyName, -1 /* level */),
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0 /* column_family_id */, writer.get()));
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// Build table.
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for (auto it = kv.begin(); it != kv.end(); it++) {
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std::string k = ToInternalKey(it->first);
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std::string v = it->second;
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table_builder->Add(k, v);
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}
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ASSERT_OK(table_builder->Finish());
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}
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void NewBlockBasedTableReader(const FileOptions& foptions,
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const ImmutableCFOptions& ioptions,
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const InternalKeyComparator& comparator,
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const std::string& table_name,
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std::unique_ptr<BlockBasedTable>* table) {
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std::unique_ptr<RandomAccessFileReader> file;
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NewFileReader(table_name, foptions, &file);
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uint64_t file_size = 0;
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ASSERT_OK(env_->GetFileSize(Path(table_name), &file_size));
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std::unique_ptr<TableReader> table_reader;
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ASSERT_OK(BlockBasedTable::Open(ioptions, EnvOptions(),
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table_factory_.table_options(), comparator,
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std::move(file), file_size, &table_reader));
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table->reset(reinterpret_cast<BlockBasedTable*>(table_reader.release()));
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}
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private:
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std::string test_dir_;
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Env* env_;
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std::shared_ptr<FileSystem> fs_;
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BlockBasedTableFactory table_factory_;
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std::string Path(const std::string& fname) { return test_dir_ + "/" + fname; }
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void WriteToFile(const std::string& content, const std::string& filename) {
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std::unique_ptr<FSWritableFile> f;
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ASSERT_OK(fs_->NewWritableFile(Path(filename), FileOptions(), &f, nullptr));
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ASSERT_OK(f->Append(content, IOOptions(), nullptr));
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ASSERT_OK(f->Close(IOOptions(), nullptr));
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}
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void NewFileWriter(const std::string& filename,
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std::unique_ptr<WritableFileWriter>* writer) {
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std::string path = Path(filename);
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EnvOptions env_options;
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FileOptions foptions;
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std::unique_ptr<FSWritableFile> file;
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ASSERT_OK(fs_->NewWritableFile(path, foptions, &file, nullptr));
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writer->reset(new WritableFileWriter(std::move(file), path, env_options));
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}
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void NewFileReader(const std::string& filename, const FileOptions& opt,
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std::unique_ptr<RandomAccessFileReader>* reader) {
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std::string path = Path(filename);
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std::unique_ptr<FSRandomAccessFile> f;
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ASSERT_OK(fs_->NewRandomAccessFile(path, opt, &f, nullptr));
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reader->reset(new RandomAccessFileReader(std::move(f), path, env_));
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}
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std::string ToInternalKey(const std::string& key) {
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InternalKey internal_key(key, 0, ValueType::kTypeValue);
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return internal_key.Encode().ToString();
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}
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};
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// Tests MultiGet in both direct IO and non-direct IO mode.
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// The keys should be in cache after MultiGet.
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TEST_P(BlockBasedTableReaderTest, MultiGet) {
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// Prepare key-value pairs to occupy multiple blocks.
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// Each value is 256B, every 16 pairs constitute 1 block.
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// Adjacent blocks contain values with different compression complexity:
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// human readable strings are easier to compress than random strings.
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std::map<std::string, std::string> kv;
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{
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Random rnd(101);
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uint32_t key = 0;
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for (int block = 0; block < 100; block++) {
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for (int i = 0; i < 16; i++) {
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char k[9] = {0};
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// Internal key is constructed directly from this key,
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// and internal key size is required to be >= 8 bytes,
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// so use %08u as the format string.
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sprintf(k, "%08u", key);
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std::string v;
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if (block % 2) {
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v = test::RandomHumanReadableString(&rnd, 256);
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} else {
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test::RandomString(&rnd, 256, &v);
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}
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kv[std::string(k)] = v;
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key++;
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}
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}
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}
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// Prepare keys, values, and statuses for MultiGet.
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autovector<Slice, MultiGetContext::MAX_BATCH_SIZE> keys;
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autovector<PinnableSlice, MultiGetContext::MAX_BATCH_SIZE> values;
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autovector<Status, MultiGetContext::MAX_BATCH_SIZE> statuses;
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{
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const int step =
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static_cast<int>(kv.size()) / MultiGetContext::MAX_BATCH_SIZE;
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auto it = kv.begin();
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for (int i = 0; i < MultiGetContext::MAX_BATCH_SIZE; i++) {
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keys.emplace_back(it->first);
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values.emplace_back();
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statuses.emplace_back();
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std::advance(it, step);
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}
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}
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std::string table_name =
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"BlockBasedTableReaderTest" + CompressionTypeToString(compression_type_);
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CreateTable(table_name, compression_type_, kv);
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std::unique_ptr<BlockBasedTable> table;
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Options options;
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ImmutableCFOptions ioptions(options);
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FileOptions foptions;
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foptions.use_direct_reads = use_direct_reads_;
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InternalKeyComparator comparator(options.comparator);
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NewBlockBasedTableReader(foptions, ioptions, comparator, table_name, &table);
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// Ensure that keys are not in cache before MultiGet.
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for (auto& key : keys) {
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ASSERT_FALSE(table->TEST_KeyInCache(ReadOptions(), key));
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}
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// Prepare MultiGetContext.
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autovector<GetContext, MultiGetContext::MAX_BATCH_SIZE> get_context;
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autovector<KeyContext, MultiGetContext::MAX_BATCH_SIZE> key_context;
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autovector<KeyContext*, MultiGetContext::MAX_BATCH_SIZE> sorted_keys;
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for (size_t i = 0; i < keys.size(); ++i) {
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get_context.emplace_back(
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BytewiseComparator(), nullptr, nullptr, nullptr, GetContext::kNotFound,
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keys[i], &values[i], nullptr, nullptr, nullptr, true /* do_merge */,
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nullptr, nullptr, nullptr, nullptr, nullptr, nullptr);
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key_context.emplace_back(nullptr, keys[i], &values[i], nullptr,
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&statuses.back());
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key_context.back().get_context = &get_context.back();
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}
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for (auto& key_ctx : key_context) {
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sorted_keys.emplace_back(&key_ctx);
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}
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MultiGetContext ctx(&sorted_keys, 0, sorted_keys.size(), 0, ReadOptions());
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// Execute MultiGet.
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MultiGetContext::Range range = ctx.GetMultiGetRange();
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table->MultiGet(ReadOptions(), &range, nullptr);
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for (const Status& status : statuses) {
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ASSERT_OK(status);
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}
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// Check that keys are in cache after MultiGet.
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for (size_t i = 0; i < keys.size(); i++) {
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ASSERT_TRUE(table->TEST_KeyInCache(ReadOptions(), keys[i]));
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ASSERT_EQ(values[i].ToString(), kv[keys[i].ToString()]);
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}
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}
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// Param 1: compression type
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// Param 2: whether to use direct reads
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#ifdef ROCKSDB_LITE
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// Skip direct I/O tests in lite mode since direct I/O is unsupported.
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INSTANTIATE_TEST_CASE_P(
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MultiGet, BlockBasedTableReaderTest,
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::testing::Combine(::testing::ValuesIn(GetSupportedCompressions()),
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::testing::Values(false)));
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#else // ROCKSDB_LITE
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INSTANTIATE_TEST_CASE_P(
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MultiGet, BlockBasedTableReaderTest,
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::testing::Combine(::testing::ValuesIn(GetSupportedCompressions()),
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::testing::Bool()));
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#endif // ROCKSDB_LITE
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} // namespace ROCKSDB_NAMESPACE
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int main(int argc, char** argv) {
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ROCKSDB_NAMESPACE::port::InstallStackTraceHandler();
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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