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options_test.cc
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// Copyright (c) 2011-present, 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.
//
// 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.
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <cctype>
#include <cstring>
#include <unordered_map>
#include <inttypes.h>
#include "rocksdb/cache.h"
#include "rocksdb/convenience.h"
#include "rocksdb/memtablerep.h"
#include "rocksdb/utilities/leveldb_options.h"
#include "util/options_helper.h"
#include "util/options_parser.h"
#include "util/options_sanity_check.h"
#include "util/random.h"
#include "util/testharness.h"
#include "util/testutil.h"
#ifndef GFLAGS
bool FLAGS_enable_print = false;
#else
#include <gflags/gflags.h>
using GFLAGS::ParseCommandLineFlags;
DEFINE_bool(enable_print, false, "Print options generated to console.");
#endif // GFLAGS
namespace rocksdb {
class StderrLogger : public Logger {
public:
using Logger::Logv;
virtual void Logv(const char* format, va_list ap) override {
vprintf(format, ap);
printf("\n");
}
};
Options PrintAndGetOptions(size_t total_write_buffer_limit,
int read_amplification_threshold,
int write_amplification_threshold,
uint64_t target_db_size = 68719476736) {
StderrLogger logger;
if (FLAGS_enable_print) {
printf("---- total_write_buffer_limit: %" ROCKSDB_PRIszt
" "
"read_amplification_threshold: %d write_amplification_threshold: %d "
"target_db_size %" PRIu64 " ----\n",
total_write_buffer_limit, read_amplification_threshold,
write_amplification_threshold, target_db_size);
}
Options options =
GetOptions(total_write_buffer_limit, read_amplification_threshold,
write_amplification_threshold, target_db_size);
if (FLAGS_enable_print) {
options.Dump(&logger);
printf("-------------------------------------\n\n\n");
}
return options;
}
class OptionsTest : public testing::Test {};
TEST_F(OptionsTest, LooseCondition) {
Options options;
PrintAndGetOptions(static_cast<size_t>(10) * 1024 * 1024 * 1024, 100, 100);
// Less mem table memory budget
PrintAndGetOptions(32 * 1024 * 1024, 100, 100);
// Tight read amplification
options = PrintAndGetOptions(128 * 1024 * 1024, 8, 100);
ASSERT_EQ(options.compaction_style, kCompactionStyleLevel);
#ifndef ROCKSDB_LITE // Universal compaction is not supported in ROCKSDB_LITE
// Tight write amplification
options = PrintAndGetOptions(128 * 1024 * 1024, 64, 10);
ASSERT_EQ(options.compaction_style, kCompactionStyleUniversal);
#endif // !ROCKSDB_LITE
// Both tight amplifications
PrintAndGetOptions(128 * 1024 * 1024, 4, 8);
}
#ifndef ROCKSDB_LITE // GetOptionsFromMap is not supported in ROCKSDB_LITE
TEST_F(OptionsTest, GetOptionsFromMapTest) {
std::unordered_map<std::string, std::string> cf_options_map = {
{"write_buffer_size", "1"},
{"max_write_buffer_number", "2"},
{"min_write_buffer_number_to_merge", "3"},
{"max_write_buffer_number_to_maintain", "99"},
{"compression", "kSnappyCompression"},
{"compression_per_level",
"kNoCompression:"
"kSnappyCompression:"
"kZlibCompression:"
"kBZip2Compression:"
"kLZ4Compression:"
"kLZ4HCCompression:"
"kZSTDNotFinalCompression"},
{"compression_opts", "4:5:6"},
{"num_levels", "7"},
{"level0_file_num_compaction_trigger", "8"},
{"level0_slowdown_writes_trigger", "9"},
{"level0_stop_writes_trigger", "10"},
{"target_file_size_base", "12"},
{"target_file_size_multiplier", "13"},
{"max_bytes_for_level_base", "14"},
{"level_compaction_dynamic_level_bytes", "true"},
{"max_bytes_for_level_multiplier", "15"},
{"max_bytes_for_level_multiplier_additional", "16:17:18"},
{"expanded_compaction_factor", "19"},
{"source_compaction_factor", "20"},
{"max_grandparent_overlap_factor", "21"},
{"soft_rate_limit", "1.1"},
{"hard_rate_limit", "2.1"},
{"hard_pending_compaction_bytes_limit", "211"},
{"arena_block_size", "22"},
{"disable_auto_compactions", "true"},
{"compaction_style", "kCompactionStyleLevel"},
{"verify_checksums_in_compaction", "false"},
{"compaction_options_fifo", "23"},
{"filter_deletes", "0"},
{"max_sequential_skip_in_iterations", "24"},
{"inplace_update_support", "true"},
{"compaction_measure_io_stats", "true"},
{"inplace_update_num_locks", "25"},
{"memtable_prefix_bloom_bits", "26"},
{"memtable_prefix_bloom_probes", "27"},
{"memtable_prefix_bloom_huge_page_tlb_size", "28"},
{"bloom_locality", "29"},
{"max_successive_merges", "30"},
{"min_partial_merge_operands", "31"},
{"prefix_extractor", "fixed:31"},
{"optimize_filters_for_hits", "true"},
};
std::unordered_map<std::string, std::string> db_options_map = {
{"create_if_missing", "false"},
{"create_missing_column_families", "true"},
{"error_if_exists", "false"},
{"paranoid_checks", "true"},
{"max_open_files", "32"},
{"max_total_wal_size", "33"},
{"disable_data_sync", "false"},
{"use_fsync", "true"},
{"db_log_dir", "/db_log_dir"},
{"wal_dir", "/wal_dir"},
{"delete_obsolete_files_period_micros", "34"},
{"max_background_compactions", "35"},
{"max_background_flushes", "36"},
{"max_log_file_size", "37"},
{"log_file_time_to_roll", "38"},
{"keep_log_file_num", "39"},
{"recycle_log_file_num", "5"},
{"max_manifest_file_size", "40"},
{"table_cache_numshardbits", "41"},
{"WAL_ttl_seconds", "43"},
{"WAL_size_limit_MB", "44"},
{"manifest_preallocation_size", "45"},
{"allow_os_buffer", "false"},
{"allow_mmap_reads", "true"},
{"allow_mmap_writes", "false"},
{"is_fd_close_on_exec", "true"},
{"skip_log_error_on_recovery", "false"},
{"stats_dump_period_sec", "46"},
{"advise_random_on_open", "true"},
{"use_adaptive_mutex", "false"},
{"new_table_reader_for_compaction_inputs", "true"},
{"compaction_readahead_size", "100"},
{"random_access_max_buffer_size", "3145728"},
{"writable_file_max_buffer_size", "314159"},
{"bytes_per_sync", "47"},
{"wal_bytes_per_sync", "48"},
};
ColumnFamilyOptions base_cf_opt;
ColumnFamilyOptions new_cf_opt;
ASSERT_OK(GetColumnFamilyOptionsFromMap(
base_cf_opt, cf_options_map, &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 1U);
ASSERT_EQ(new_cf_opt.max_write_buffer_number, 2);
ASSERT_EQ(new_cf_opt.min_write_buffer_number_to_merge, 3);
ASSERT_EQ(new_cf_opt.max_write_buffer_number_to_maintain, 99);
ASSERT_EQ(new_cf_opt.compression, kSnappyCompression);
ASSERT_EQ(new_cf_opt.compression_per_level.size(), 7U);
ASSERT_EQ(new_cf_opt.compression_per_level[0], kNoCompression);
ASSERT_EQ(new_cf_opt.compression_per_level[1], kSnappyCompression);
ASSERT_EQ(new_cf_opt.compression_per_level[2], kZlibCompression);
ASSERT_EQ(new_cf_opt.compression_per_level[3], kBZip2Compression);
ASSERT_EQ(new_cf_opt.compression_per_level[4], kLZ4Compression);
ASSERT_EQ(new_cf_opt.compression_per_level[5], kLZ4HCCompression);
ASSERT_EQ(new_cf_opt.compression_per_level[6], kZSTDNotFinalCompression);
ASSERT_EQ(new_cf_opt.compression_opts.window_bits, 4);
ASSERT_EQ(new_cf_opt.compression_opts.level, 5);
ASSERT_EQ(new_cf_opt.compression_opts.strategy, 6);
ASSERT_EQ(new_cf_opt.num_levels, 7);
ASSERT_EQ(new_cf_opt.level0_file_num_compaction_trigger, 8);
ASSERT_EQ(new_cf_opt.level0_slowdown_writes_trigger, 9);
ASSERT_EQ(new_cf_opt.level0_stop_writes_trigger, 10);
ASSERT_EQ(new_cf_opt.target_file_size_base, static_cast<uint64_t>(12));
ASSERT_EQ(new_cf_opt.target_file_size_multiplier, 13);
ASSERT_EQ(new_cf_opt.max_bytes_for_level_base, 14U);
ASSERT_EQ(new_cf_opt.level_compaction_dynamic_level_bytes, true);
ASSERT_EQ(new_cf_opt.max_bytes_for_level_multiplier, 15);
ASSERT_EQ(new_cf_opt.max_bytes_for_level_multiplier_additional.size(), 3U);
ASSERT_EQ(new_cf_opt.max_bytes_for_level_multiplier_additional[0], 16);
ASSERT_EQ(new_cf_opt.max_bytes_for_level_multiplier_additional[1], 17);
ASSERT_EQ(new_cf_opt.max_bytes_for_level_multiplier_additional[2], 18);
ASSERT_EQ(new_cf_opt.expanded_compaction_factor, 19);
ASSERT_EQ(new_cf_opt.source_compaction_factor, 20);
ASSERT_EQ(new_cf_opt.max_grandparent_overlap_factor, 21);
ASSERT_EQ(new_cf_opt.soft_rate_limit, 1.1);
ASSERT_EQ(new_cf_opt.hard_pending_compaction_bytes_limit, 211);
ASSERT_EQ(new_cf_opt.arena_block_size, 22U);
ASSERT_EQ(new_cf_opt.disable_auto_compactions, true);
ASSERT_EQ(new_cf_opt.compaction_style, kCompactionStyleLevel);
ASSERT_EQ(new_cf_opt.verify_checksums_in_compaction, false);
ASSERT_EQ(new_cf_opt.compaction_options_fifo.max_table_files_size,
static_cast<uint64_t>(23));
ASSERT_EQ(new_cf_opt.filter_deletes, false);
ASSERT_EQ(new_cf_opt.max_sequential_skip_in_iterations,
static_cast<uint64_t>(24));
ASSERT_EQ(new_cf_opt.inplace_update_support, true);
ASSERT_EQ(new_cf_opt.inplace_update_num_locks, 25U);
ASSERT_EQ(new_cf_opt.memtable_prefix_bloom_bits, 26U);
ASSERT_EQ(new_cf_opt.memtable_prefix_bloom_probes, 27U);
ASSERT_EQ(new_cf_opt.memtable_prefix_bloom_huge_page_tlb_size, 28U);
ASSERT_EQ(new_cf_opt.bloom_locality, 29U);
ASSERT_EQ(new_cf_opt.max_successive_merges, 30U);
ASSERT_EQ(new_cf_opt.min_partial_merge_operands, 31U);
ASSERT_TRUE(new_cf_opt.prefix_extractor != nullptr);
ASSERT_EQ(new_cf_opt.optimize_filters_for_hits, true);
ASSERT_EQ(std::string(new_cf_opt.prefix_extractor->Name()),
"rocksdb.FixedPrefix.31");
cf_options_map["write_buffer_size"] = "hello";
ASSERT_NOK(GetColumnFamilyOptionsFromMap(
base_cf_opt, cf_options_map, &new_cf_opt));
cf_options_map["write_buffer_size"] = "1";
ASSERT_OK(GetColumnFamilyOptionsFromMap(
base_cf_opt, cf_options_map, &new_cf_opt));
cf_options_map["unknown_option"] = "1";
ASSERT_NOK(GetColumnFamilyOptionsFromMap(
base_cf_opt, cf_options_map, &new_cf_opt));
DBOptions base_db_opt;
DBOptions new_db_opt;
ASSERT_OK(GetDBOptionsFromMap(base_db_opt, db_options_map, &new_db_opt));
ASSERT_EQ(new_db_opt.create_if_missing, false);
ASSERT_EQ(new_db_opt.create_missing_column_families, true);
ASSERT_EQ(new_db_opt.error_if_exists, false);
ASSERT_EQ(new_db_opt.paranoid_checks, true);
ASSERT_EQ(new_db_opt.max_open_files, 32);
ASSERT_EQ(new_db_opt.max_total_wal_size, static_cast<uint64_t>(33));
ASSERT_EQ(new_db_opt.disableDataSync, false);
ASSERT_EQ(new_db_opt.use_fsync, true);
ASSERT_EQ(new_db_opt.db_log_dir, "/db_log_dir");
ASSERT_EQ(new_db_opt.wal_dir, "/wal_dir");
ASSERT_EQ(new_db_opt.delete_obsolete_files_period_micros,
static_cast<uint64_t>(34));
ASSERT_EQ(new_db_opt.max_background_compactions, 35);
ASSERT_EQ(new_db_opt.max_background_flushes, 36);
ASSERT_EQ(new_db_opt.max_log_file_size, 37U);
ASSERT_EQ(new_db_opt.log_file_time_to_roll, 38U);
ASSERT_EQ(new_db_opt.keep_log_file_num, 39U);
ASSERT_EQ(new_db_opt.recycle_log_file_num, 5U);
ASSERT_EQ(new_db_opt.max_manifest_file_size, static_cast<uint64_t>(40));
ASSERT_EQ(new_db_opt.table_cache_numshardbits, 41);
ASSERT_EQ(new_db_opt.WAL_ttl_seconds, static_cast<uint64_t>(43));
ASSERT_EQ(new_db_opt.WAL_size_limit_MB, static_cast<uint64_t>(44));
ASSERT_EQ(new_db_opt.manifest_preallocation_size, 45U);
ASSERT_EQ(new_db_opt.allow_os_buffer, false);
ASSERT_EQ(new_db_opt.allow_mmap_reads, true);
ASSERT_EQ(new_db_opt.allow_mmap_writes, false);
ASSERT_EQ(new_db_opt.is_fd_close_on_exec, true);
ASSERT_EQ(new_db_opt.skip_log_error_on_recovery, false);
ASSERT_EQ(new_db_opt.stats_dump_period_sec, 46U);
ASSERT_EQ(new_db_opt.advise_random_on_open, true);
ASSERT_EQ(new_db_opt.use_adaptive_mutex, false);
ASSERT_EQ(new_db_opt.new_table_reader_for_compaction_inputs, true);
ASSERT_EQ(new_db_opt.compaction_readahead_size, 100);
ASSERT_EQ(new_db_opt.random_access_max_buffer_size, 3145728);
ASSERT_EQ(new_db_opt.writable_file_max_buffer_size, 314159);
ASSERT_EQ(new_db_opt.bytes_per_sync, static_cast<uint64_t>(47));
ASSERT_EQ(new_db_opt.wal_bytes_per_sync, static_cast<uint64_t>(48));
}
#endif // !ROCKSDB_LITE
#ifndef ROCKSDB_LITE // GetColumnFamilyOptionsFromString is not supported in
// ROCKSDB_LITE
TEST_F(OptionsTest, GetColumnFamilyOptionsFromStringTest) {
ColumnFamilyOptions base_cf_opt;
ColumnFamilyOptions new_cf_opt;
base_cf_opt.table_factory.reset();
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt, "", &new_cf_opt));
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=5", &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 5U);
ASSERT_TRUE(new_cf_opt.table_factory == nullptr);
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=6;", &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 6U);
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
" write_buffer_size = 7 ", &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 7U);
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
" write_buffer_size = 8 ; ", &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 8U);
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=9;max_write_buffer_number=10", &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 9U);
ASSERT_EQ(new_cf_opt.max_write_buffer_number, 10);
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=11; max_write_buffer_number = 12 ;",
&new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 11U);
ASSERT_EQ(new_cf_opt.max_write_buffer_number, 12);
// Wrong name "max_write_buffer_number_"
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=13;max_write_buffer_number_=14;",
&new_cf_opt));
// Wrong key/value pair
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=13;max_write_buffer_number;", &new_cf_opt));
// Error Paring value
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=13;max_write_buffer_number=;", &new_cf_opt));
// Missing option name
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=13; =100;", &new_cf_opt));
const int64_t kilo = 1024UL;
const int64_t mega = 1024 * kilo;
const int64_t giga = 1024 * mega;
const int64_t tera = 1024 * giga;
// Units (k)
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"memtable_prefix_bloom_bits=14k;max_write_buffer_number=-15K",
&new_cf_opt));
ASSERT_EQ(new_cf_opt.memtable_prefix_bloom_bits, 14UL * kilo);
ASSERT_EQ(new_cf_opt.max_write_buffer_number, -15 * kilo);
// Units (m)
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"max_write_buffer_number=16m;inplace_update_num_locks=17M",
&new_cf_opt));
ASSERT_EQ(new_cf_opt.max_write_buffer_number, 16 * mega);
ASSERT_EQ(new_cf_opt.inplace_update_num_locks, 17 * mega);
// Units (g)
ASSERT_OK(GetColumnFamilyOptionsFromString(
base_cf_opt,
"write_buffer_size=18g;prefix_extractor=capped:8;"
"arena_block_size=19G",
&new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 18 * giga);
ASSERT_EQ(new_cf_opt.arena_block_size, 19 * giga);
ASSERT_TRUE(new_cf_opt.prefix_extractor.get() != nullptr);
std::string prefix_name(new_cf_opt.prefix_extractor->Name());
ASSERT_EQ(prefix_name, "rocksdb.CappedPrefix.8");
// Units (t)
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=20t;arena_block_size=21T", &new_cf_opt));
ASSERT_EQ(new_cf_opt.write_buffer_size, 20 * tera);
ASSERT_EQ(new_cf_opt.arena_block_size, 21 * tera);
// Nested block based table options
// Emtpy
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={};arena_block_size=1024",
&new_cf_opt));
ASSERT_TRUE(new_cf_opt.table_factory != nullptr);
// Non-empty
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={block_cache=1M;block_size=4;};"
"arena_block_size=1024",
&new_cf_opt));
ASSERT_TRUE(new_cf_opt.table_factory != nullptr);
// Last one
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={block_cache=1M;block_size=4;}",
&new_cf_opt));
ASSERT_TRUE(new_cf_opt.table_factory != nullptr);
// Mismatch curly braces
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={{{block_size=4;};"
"arena_block_size=1024",
&new_cf_opt));
// Unexpected chars after closing curly brace
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={block_size=4;}};"
"arena_block_size=1024",
&new_cf_opt));
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={block_size=4;}xdfa;"
"arena_block_size=1024",
&new_cf_opt));
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={block_size=4;}xdfa",
&new_cf_opt));
// Invalid block based table option
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={xx_block_size=4;}",
&new_cf_opt));
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"optimize_filters_for_hits=true",
&new_cf_opt));
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"optimize_filters_for_hits=false",
&new_cf_opt));
ASSERT_NOK(GetColumnFamilyOptionsFromString(base_cf_opt,
"optimize_filters_for_hits=junk",
&new_cf_opt));
// Nested plain table options
// Emtpy
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"plain_table_factory={};arena_block_size=1024",
&new_cf_opt));
ASSERT_TRUE(new_cf_opt.table_factory != nullptr);
ASSERT_EQ(std::string(new_cf_opt.table_factory->Name()), "PlainTable");
// Non-empty
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"plain_table_factory={user_key_len=66;bloom_bits_per_key=20;};"
"arena_block_size=1024",
&new_cf_opt));
ASSERT_TRUE(new_cf_opt.table_factory != nullptr);
ASSERT_EQ(std::string(new_cf_opt.table_factory->Name()), "PlainTable");
// memtable factory
ASSERT_OK(GetColumnFamilyOptionsFromString(base_cf_opt,
"write_buffer_size=10;max_write_buffer_number=16;"
"memtable=skip_list:10;arena_block_size=1024",
&new_cf_opt));
ASSERT_TRUE(new_cf_opt.memtable_factory != nullptr);
ASSERT_EQ(std::string(new_cf_opt.memtable_factory->Name()), "SkipListFactory");
}
#endif // !ROCKSDB_LITE
#ifndef ROCKSDB_LITE // GetBlockBasedTableOptionsFromString is not supported
TEST_F(OptionsTest, GetBlockBasedTableOptionsFromString) {
BlockBasedTableOptions table_opt;
BlockBasedTableOptions new_opt;
// make sure default values are overwritten by something else
ASSERT_OK(GetBlockBasedTableOptionsFromString(table_opt,
"cache_index_and_filter_blocks=1;index_type=kHashSearch;"
"checksum=kxxHash;hash_index_allow_collision=1;no_block_cache=1;"
"block_cache=1M;block_cache_compressed=1k;block_size=1024;"
"block_size_deviation=8;block_restart_interval=4;"
"filter_policy=bloomfilter:4:true;whole_key_filtering=1;"
"skip_table_builder_flush=1",
&new_opt));
ASSERT_TRUE(new_opt.cache_index_and_filter_blocks);
ASSERT_EQ(new_opt.index_type, BlockBasedTableOptions::kHashSearch);
ASSERT_EQ(new_opt.checksum, ChecksumType::kxxHash);
ASSERT_TRUE(new_opt.hash_index_allow_collision);
ASSERT_TRUE(new_opt.no_block_cache);
ASSERT_TRUE(new_opt.block_cache != nullptr);
ASSERT_EQ(new_opt.block_cache->GetCapacity(), 1024UL*1024UL);
ASSERT_TRUE(new_opt.block_cache_compressed != nullptr);
ASSERT_EQ(new_opt.block_cache_compressed->GetCapacity(), 1024UL);
ASSERT_EQ(new_opt.block_size, 1024UL);
ASSERT_EQ(new_opt.block_size_deviation, 8);
ASSERT_EQ(new_opt.block_restart_interval, 4);
ASSERT_TRUE(new_opt.filter_policy != nullptr);
ASSERT_TRUE(new_opt.skip_table_builder_flush);
// unknown option
ASSERT_NOK(GetBlockBasedTableOptionsFromString(table_opt,
"cache_index_and_filter_blocks=1;index_type=kBinarySearch;"
"bad_option=1",
&new_opt));
// unrecognized index type
ASSERT_NOK(GetBlockBasedTableOptionsFromString(table_opt,
"cache_index_and_filter_blocks=1;index_type=kBinarySearchXX",
&new_opt));
// unrecognized checksum type
ASSERT_NOK(GetBlockBasedTableOptionsFromString(table_opt,
"cache_index_and_filter_blocks=1;checksum=kxxHashXX",
&new_opt));
// unrecognized filter policy name
ASSERT_NOK(GetBlockBasedTableOptionsFromString(table_opt,
"cache_index_and_filter_blocks=1;"
"filter_policy=bloomfilterxx:4:true",
&new_opt));
// unrecognized filter policy config
ASSERT_NOK(GetBlockBasedTableOptionsFromString(table_opt,
"cache_index_and_filter_blocks=1;"
"filter_policy=bloomfilter:4",
&new_opt));
}
#endif // !ROCKSDB_LITE
#ifndef ROCKSDB_LITE // GetPlainTableOptionsFromString is not supported
TEST_F(OptionsTest, GetPlainTableOptionsFromString) {
PlainTableOptions table_opt;
PlainTableOptions new_opt;
// make sure default values are overwritten by something else
ASSERT_OK(GetPlainTableOptionsFromString(table_opt,
"user_key_len=66;bloom_bits_per_key=20;hash_table_ratio=0.5;"
"index_sparseness=8;huge_page_tlb_size=4;encoding_type=kPrefix;"
"full_scan_mode=true;store_index_in_file=true",
&new_opt));
ASSERT_EQ(new_opt.user_key_len, 66);
ASSERT_EQ(new_opt.bloom_bits_per_key, 20);
ASSERT_EQ(new_opt.hash_table_ratio, 0.5);
ASSERT_EQ(new_opt.index_sparseness, 8);
ASSERT_EQ(new_opt.huge_page_tlb_size, 4);
ASSERT_EQ(new_opt.encoding_type, EncodingType::kPrefix);
ASSERT_TRUE(new_opt.full_scan_mode);
ASSERT_TRUE(new_opt.store_index_in_file);
// unknown option
ASSERT_NOK(GetPlainTableOptionsFromString(table_opt,
"user_key_len=66;bloom_bits_per_key=20;hash_table_ratio=0.5;"
"bad_option=1",
&new_opt));
// unrecognized EncodingType
ASSERT_NOK(GetPlainTableOptionsFromString(table_opt,
"user_key_len=66;bloom_bits_per_key=20;hash_table_ratio=0.5;"
"encoding_type=kPrefixXX",
&new_opt));
}
#endif // !ROCKSDB_LITE
#ifndef ROCKSDB_LITE // GetMemTableRepFactoryFromString is not supported
TEST_F(OptionsTest, GetMemTableRepFactoryFromString) {
std::unique_ptr<MemTableRepFactory> new_mem_factory = nullptr;
ASSERT_OK(GetMemTableRepFactoryFromString("skip_list", &new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("skip_list:16", &new_mem_factory));
ASSERT_EQ(std::string(new_mem_factory->Name()), "SkipListFactory");
ASSERT_NOK(GetMemTableRepFactoryFromString("skip_list:16:invalid_opt",
&new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("prefix_hash", &new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("prefix_hash:1000",
&new_mem_factory));
ASSERT_EQ(std::string(new_mem_factory->Name()), "HashSkipListRepFactory");
ASSERT_NOK(GetMemTableRepFactoryFromString("prefix_hash:1000:invalid_opt",
&new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("hash_linkedlist",
&new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("hash_linkedlist:1000",
&new_mem_factory));
ASSERT_EQ(std::string(new_mem_factory->Name()), "HashLinkListRepFactory");
ASSERT_NOK(GetMemTableRepFactoryFromString("hash_linkedlist:1000:invalid_opt",
&new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("vector", &new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("vector:1024", &new_mem_factory));
ASSERT_EQ(std::string(new_mem_factory->Name()), "VectorRepFactory");
ASSERT_NOK(GetMemTableRepFactoryFromString("vector:1024:invalid_opt",
&new_mem_factory));
ASSERT_NOK(GetMemTableRepFactoryFromString("cuckoo", &new_mem_factory));
ASSERT_OK(GetMemTableRepFactoryFromString("cuckoo:1024", &new_mem_factory));
ASSERT_EQ(std::string(new_mem_factory->Name()), "HashCuckooRepFactory");
ASSERT_NOK(GetMemTableRepFactoryFromString("bad_factory", &new_mem_factory));
}
#endif // !ROCKSDB_LITE
#ifndef ROCKSDB_LITE // GetOptionsFromString is not supported in RocksDB Lite
TEST_F(OptionsTest, GetOptionsFromStringTest) {
Options base_options, new_options;
base_options.write_buffer_size = 20;
base_options.min_write_buffer_number_to_merge = 15;
BlockBasedTableOptions block_based_table_options;
block_based_table_options.cache_index_and_filter_blocks = true;
base_options.table_factory.reset(
NewBlockBasedTableFactory(block_based_table_options));
ASSERT_OK(GetOptionsFromString(
base_options,
"write_buffer_size=10;max_write_buffer_number=16;"
"block_based_table_factory={block_cache=1M;block_size=4;};"
"create_if_missing=true;max_open_files=1;rate_limiter_bytes_per_sec=1024",
&new_options));
ASSERT_EQ(new_options.write_buffer_size, 10U);
ASSERT_EQ(new_options.max_write_buffer_number, 16);
BlockBasedTableOptions new_block_based_table_options =
dynamic_cast<BlockBasedTableFactory*>(new_options.table_factory.get())
->table_options();
ASSERT_EQ(new_block_based_table_options.block_cache->GetCapacity(), 1U << 20);
ASSERT_EQ(new_block_based_table_options.block_size, 4U);
// don't overwrite block based table options
ASSERT_TRUE(new_block_based_table_options.cache_index_and_filter_blocks);
ASSERT_EQ(new_options.create_if_missing, true);
ASSERT_EQ(new_options.max_open_files, 1);
ASSERT_TRUE(new_options.rate_limiter.get() != nullptr);
}
TEST_F(OptionsTest, DBOptionsSerialization) {
Options base_options, new_options;
Random rnd(301);
// Phase 1: Make big change in base_options
test::RandomInitDBOptions(&base_options, &rnd);
// Phase 2: obtain a string from base_option
std::string base_options_file_content;
ASSERT_OK(GetStringFromDBOptions(&base_options_file_content, base_options));
// Phase 3: Set new_options from the derived string and expect
// new_options == base_options
ASSERT_OK(GetDBOptionsFromString(DBOptions(), base_options_file_content,
&new_options));
ASSERT_OK(RocksDBOptionsParser::VerifyDBOptions(base_options, new_options));
}
TEST_F(OptionsTest, ColumnFamilyOptionsSerialization) {
ColumnFamilyOptions base_opt, new_opt;
Random rnd(302);
// Phase 1: randomly assign base_opt
// custom type options
test::RandomInitCFOptions(&base_opt, &rnd);
// Phase 2: obtain a string from base_opt
std::string base_options_file_content;
ASSERT_OK(
GetStringFromColumnFamilyOptions(&base_options_file_content, base_opt));
// Phase 3: Set new_opt from the derived string and expect
// new_opt == base_opt
ASSERT_OK(GetColumnFamilyOptionsFromString(
ColumnFamilyOptions(), base_options_file_content, &new_opt));
ASSERT_OK(RocksDBOptionsParser::VerifyCFOptions(base_opt, new_opt));
if (base_opt.compaction_filter) {
delete base_opt.compaction_filter;
}
}
#endif // !ROCKSDB_LITE
Status StringToMap(
const std::string& opts_str,
std::unordered_map<std::string, std::string>* opts_map);
#ifndef ROCKSDB_LITE // StringToMap is not supported in ROCKSDB_LITE
TEST_F(OptionsTest, StringToMapTest) {
std::unordered_map<std::string, std::string> opts_map;
// Regular options
ASSERT_OK(StringToMap("k1=v1;k2=v2;k3=v3", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "v2");
ASSERT_EQ(opts_map["k3"], "v3");
// Value with '='
opts_map.clear();
ASSERT_OK(StringToMap("k1==v1;k2=v2=;", &opts_map));
ASSERT_EQ(opts_map["k1"], "=v1");
ASSERT_EQ(opts_map["k2"], "v2=");
// Overwrriten option
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k1=v2;k3=v3", &opts_map));
ASSERT_EQ(opts_map["k1"], "v2");
ASSERT_EQ(opts_map["k3"], "v3");
// Empty value
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2=;k3=v3;k4=", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_TRUE(opts_map.find("k2") != opts_map.end());
ASSERT_EQ(opts_map["k2"], "");
ASSERT_EQ(opts_map["k3"], "v3");
ASSERT_TRUE(opts_map.find("k4") != opts_map.end());
ASSERT_EQ(opts_map["k4"], "");
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2=;k3=v3;k4= ", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_TRUE(opts_map.find("k2") != opts_map.end());
ASSERT_EQ(opts_map["k2"], "");
ASSERT_EQ(opts_map["k3"], "v3");
ASSERT_TRUE(opts_map.find("k4") != opts_map.end());
ASSERT_EQ(opts_map["k4"], "");
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2=;k3=", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_TRUE(opts_map.find("k2") != opts_map.end());
ASSERT_EQ(opts_map["k2"], "");
ASSERT_TRUE(opts_map.find("k3") != opts_map.end());
ASSERT_EQ(opts_map["k3"], "");
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2=;k3=;", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_TRUE(opts_map.find("k2") != opts_map.end());
ASSERT_EQ(opts_map["k2"], "");
ASSERT_TRUE(opts_map.find("k3") != opts_map.end());
ASSERT_EQ(opts_map["k3"], "");
// Regular nested options
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2={nk1=nv1;nk2=nv2};k3=v3", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "nk1=nv1;nk2=nv2");
ASSERT_EQ(opts_map["k3"], "v3");
// Multi-level nested options
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2={nk1=nv1;nk2={nnk1=nnk2}};"
"k3={nk1={nnk1={nnnk1=nnnv1;nnnk2;nnnv2}}};k4=v4",
&opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "nk1=nv1;nk2={nnk1=nnk2}");
ASSERT_EQ(opts_map["k3"], "nk1={nnk1={nnnk1=nnnv1;nnnk2;nnnv2}}");
ASSERT_EQ(opts_map["k4"], "v4");
// Garbage inside curly braces
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2={dfad=};k3={=};k4=v4",
&opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "dfad=");
ASSERT_EQ(opts_map["k3"], "=");
ASSERT_EQ(opts_map["k4"], "v4");
// Empty nested options
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2={};", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "");
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2={{{{}}}{}{}};", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "{{{}}}{}{}");
// With random spaces
opts_map.clear();
ASSERT_OK(StringToMap(" k1 = v1 ; k2= {nk1=nv1; nk2={nnk1=nnk2}} ; "
"k3={ { } }; k4= v4 ",
&opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "nk1=nv1; nk2={nnk1=nnk2}");
ASSERT_EQ(opts_map["k3"], "{ }");
ASSERT_EQ(opts_map["k4"], "v4");
// Empty key
ASSERT_NOK(StringToMap("k1=v1;k2=v2;=", &opts_map));
ASSERT_NOK(StringToMap("=v1;k2=v2", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2v2;", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2=v2;fadfa", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2=v2;;", &opts_map));
// Mismatch curly braces
ASSERT_NOK(StringToMap("k1=v1;k2={;k3=v3", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{};k3=v3", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={}};k3=v3", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{}{}}};k3=v3", &opts_map));
// However this is valid!
opts_map.clear();
ASSERT_OK(StringToMap("k1=v1;k2=};k3=v3", &opts_map));
ASSERT_EQ(opts_map["k1"], "v1");
ASSERT_EQ(opts_map["k2"], "}");
ASSERT_EQ(opts_map["k3"], "v3");
// Invalid chars after closing curly brace
ASSERT_NOK(StringToMap("k1=v1;k2={{}}{};k3=v3", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{}}cfda;k3=v3", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{}} cfda;k3=v3", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{}} cfda", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{}}{}", &opts_map));
ASSERT_NOK(StringToMap("k1=v1;k2={{dfdl}adfa}{}", &opts_map));
}
#endif // ROCKSDB_LITE
#ifndef ROCKSDB_LITE // StringToMap is not supported in ROCKSDB_LITE
TEST_F(OptionsTest, StringToMapRandomTest) {
std::unordered_map<std::string, std::string> opts_map;
// Make sure segfault is not hit by semi-random strings
std::vector<std::string> bases = {
"a={aa={};tt={xxx={}}};c=defff",
"a={aa={};tt={xxx={}}};c=defff;d={{}yxx{}3{xx}}",
"abc={{}{}{}{{{}}}{{}{}{}{}{}{}{}"};
for (std::string base : bases) {
for (int rand_seed = 301; rand_seed < 401; rand_seed++) {
Random rnd(rand_seed);
for (int attempt = 0; attempt < 10; attempt++) {
std::string str = base;
// Replace random position to space
size_t pos = static_cast<size_t>(
rnd.Uniform(static_cast<int>(base.size())));
str[pos] = ' ';
Status s = StringToMap(str, &opts_map);
ASSERT_TRUE(s.ok() || s.IsInvalidArgument());
opts_map.clear();
}
}
}
// Random Construct a string
std::vector<char> chars = {'{', '}', ' ', '=', ';', 'c'};
for (int rand_seed = 301; rand_seed < 1301; rand_seed++) {
Random rnd(rand_seed);
int len = rnd.Uniform(30);
std::string str = "";
for (int attempt = 0; attempt < len; attempt++) {
// Add a random character
size_t pos = static_cast<size_t>(
rnd.Uniform(static_cast<int>(chars.size())));
str.append(1, chars[pos]);
}
Status s = StringToMap(str, &opts_map);
ASSERT_TRUE(s.ok() || s.IsInvalidArgument());
s = StringToMap("name=" + str, &opts_map);
ASSERT_TRUE(s.ok() || s.IsInvalidArgument());
opts_map.clear();
}
}
#endif // !ROCKSDB_LITE
TEST_F(OptionsTest, ConvertOptionsTest) {
LevelDBOptions leveldb_opt;
Options converted_opt = ConvertOptions(leveldb_opt);
ASSERT_EQ(converted_opt.create_if_missing, leveldb_opt.create_if_missing);
ASSERT_EQ(converted_opt.error_if_exists, leveldb_opt.error_if_exists);
ASSERT_EQ(converted_opt.paranoid_checks, leveldb_opt.paranoid_checks);
ASSERT_EQ(converted_opt.env, leveldb_opt.env);
ASSERT_EQ(converted_opt.info_log.get(), leveldb_opt.info_log);
ASSERT_EQ(converted_opt.write_buffer_size, leveldb_opt.write_buffer_size);
ASSERT_EQ(converted_opt.max_open_files, leveldb_opt.max_open_files);
ASSERT_EQ(converted_opt.compression, leveldb_opt.compression);
std::shared_ptr<BlockBasedTableFactory> table_factory =
std::dynamic_pointer_cast<BlockBasedTableFactory>(
converted_opt.table_factory);
ASSERT_TRUE(table_factory.get() != nullptr);
const BlockBasedTableOptions table_opt = table_factory->table_options();
ASSERT_EQ(table_opt.block_cache->GetCapacity(), 8UL << 20);
ASSERT_EQ(table_opt.block_size, leveldb_opt.block_size);
ASSERT_EQ(table_opt.block_restart_interval,
leveldb_opt.block_restart_interval);
ASSERT_EQ(table_opt.filter_policy.get(), leveldb_opt.filter_policy);
}
#ifndef ROCKSDB_LITE
class OptionsParserTest : public testing::Test {
public:
OptionsParserTest() { env_.reset(new test::StringEnv(Env::Default())); }
protected:
std::unique_ptr<test::StringEnv> env_;
};
TEST_F(OptionsParserTest, Comment) {
DBOptions db_opt;
db_opt.max_open_files = 12345;
db_opt.max_background_flushes = 301;
db_opt.max_total_wal_size = 1024;
ColumnFamilyOptions cf_opt;
std::string options_file_content =
"# This is a testing option string.\n"
"# Currently we only support \"#\" styled comment.\n"
"\n"
"[Version]\n"
" rocksdb_version=3.14.0\n"
" options_file_version=1\n"
"[ DBOptions ]\n"
" # note that we don't support space around \"=\"\n"
" max_open_files=12345;\n"
" max_background_flushes=301 # comment after a statement is fine\n"
" # max_background_flushes=1000 # this line would be ignored\n"
" # max_background_compactions=2000 # so does this one\n"
" max_total_wal_size=1024 # keep_log_file_num=1000\n"
"[CFOptions \"default\"] # column family must be specified\n"
" # in the correct order\n"
" # if a section is blank, we will use the default\n";
const std::string kTestFileName = "test-rocksdb-options.ini";
env_->WriteToNewFile(kTestFileName, options_file_content);
RocksDBOptionsParser parser;
ASSERT_OK(parser.Parse(kTestFileName, env_.get()));
ASSERT_OK(RocksDBOptionsParser::VerifyDBOptions(*parser.db_opt(), db_opt));
ASSERT_EQ(parser.NumColumnFamilies(), 1U);
ASSERT_OK(RocksDBOptionsParser::VerifyCFOptions(
*parser.GetCFOptions("default"), cf_opt));
}
TEST_F(OptionsParserTest, ExtraSpace) {
std::string options_file_content =
"# This is a testing option string.\n"
"# Currently we only support \"#\" styled comment.\n"
"\n"
"[ Version ]\n"
" rocksdb_version = 3.14.0 \n"
" options_file_version=1 # some comment\n"
"[DBOptions ] # some comment\n"
"max_open_files=12345 \n"
" max_background_flushes = 301 \n"
" max_total_wal_size = 1024 # keep_log_file_num=1000\n"
" [CFOptions \"default\" ]\n"
" # if a section is blank, we will use the default\n";
const std::string kTestFileName = "test-rocksdb-options.ini";
env_->WriteToNewFile(kTestFileName, options_file_content);
RocksDBOptionsParser parser;
ASSERT_OK(parser.Parse(kTestFileName, env_.get()));
}
TEST_F(OptionsParserTest, MissingDBOptions) {
std::string options_file_content =
"# This is a testing option string.\n"
"# Currently we only support \"#\" styled comment.\n"
"\n"
"[Version]\n"
" rocksdb_version=3.14.0\n"
" options_file_version=1\n"
"[CFOptions \"default\"]\n"
" # if a section is blank, we will use the default\n";
const std::string kTestFileName = "test-rocksdb-options.ini";
env_->WriteToNewFile(kTestFileName, options_file_content);
RocksDBOptionsParser parser;
ASSERT_NOK(parser.Parse(kTestFileName, env_.get()));
}
TEST_F(OptionsParserTest, DoubleDBOptions) {
DBOptions db_opt;
db_opt.max_open_files = 12345;
db_opt.max_background_flushes = 301;
db_opt.max_total_wal_size = 1024;
ColumnFamilyOptions cf_opt;
std::string options_file_content =
"# This is a testing option string.\n"
"# Currently we only support \"#\" styled comment.\n"
"\n"
"[Version]\n"
" rocksdb_version=3.14.0\n"
" options_file_version=1\n"
"[DBOptions]\n"
" max_open_files=12345\n"
" max_background_flushes=301\n"
" max_total_wal_size=1024 # keep_log_file_num=1000\n"
"[DBOptions]\n"
"[CFOptions \"default\"]\n"
" # if a section is blank, we will use the default\n";
const std::string kTestFileName = "test-rocksdb-options.ini";
env_->WriteToNewFile(kTestFileName, options_file_content);
RocksDBOptionsParser parser;
ASSERT_NOK(parser.Parse(kTestFileName, env_.get()));
}
TEST_F(OptionsParserTest, NoDefaultCFOptions) {
DBOptions db_opt;
db_opt.max_open_files = 12345;
db_opt.max_background_flushes = 301;
db_opt.max_total_wal_size = 1024;
ColumnFamilyOptions cf_opt;
std::string options_file_content =
"# This is a testing option string.\n"
"# Currently we only support \"#\" styled comment.\n"
"\n"
"[Version]\n"
" rocksdb_version=3.14.0\n"
" options_file_version=1\n"
"[DBOptions]\n"
" max_open_files=12345\n"
" max_background_flushes=301\n"
" max_total_wal_size=1024 # keep_log_file_num=1000\n"
"[CFOptions \"something_else\"]\n"
" # if a section is blank, we will use the default\n";
const std::string kTestFileName = "test-rocksdb-options.ini";
env_->WriteToNewFile(kTestFileName, options_file_content);
RocksDBOptionsParser parser;
ASSERT_NOK(parser.Parse(kTestFileName, env_.get()));