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100 lines
2.5 KiB
100 lines
2.5 KiB
#include <chrono>
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#include "gtest/gtest.h"
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#include "leveldb/env.h"
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#include "leveldb/db.h"
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using namespace leveldb;
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constexpr int short_value_size = 4;
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constexpr int long_value_size = 32;
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constexpr int data_size = 512;
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Status OpenDB(std::string dbName, DB **db) {
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std::string rm_command = "rm -rf " + dbName;
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system(rm_command.c_str());
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Options options;
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options.create_if_missing = true;
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return DB::Open(options, dbName, db);
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}
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void InsertData(DB *db, int value_size) {
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WriteOptions writeOptions;
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int key_num = data_size / value_size;
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srand(42);
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for (int i = 0; i < key_num; i++) {
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int key_ = rand() % key_num+1;
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std::string key = std::to_string(key_);
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std::string value(value_size, 'a');
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}
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}
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void GetData(DB *db, int size = (1 << 30), int value_size = 0) {
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ReadOptions readOptions;
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int key_num = data_size / value_size;
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// 点查
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srand(42);
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for (int i = 0; i < 100; i++) {
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int key_ = rand() % key_num+1;
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std::string key = std::to_string(key_);
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std::string value;
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db->Get(readOptions, key, &value);
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}
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}
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TEST(TestTTL, GetValue) {
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DB *db;
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if(OpenDB("testdb_ReadTTL", &db).ok() == false) {
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std::cerr << "open db failed" << std::endl;
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abort();
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}
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InsertData(db, short_value_size);
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ReadOptions readOptions;
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Status status;
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int key_num = data_size / short_value_size;
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srand(42);
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for (int i = 0; i < 100; i++) {
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int key_ = rand() % key_num+1;
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std::string key = std::to_string(key_);
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std::string value;
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std::string expected_value(short_value_size, 'a');
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status = db->Get(readOptions, key, &value);
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ASSERT_TRUE(status.ok());
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EXPECT_EQ(expected_value, value);
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}
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}
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TEST(TestTTL, GetLongValue) {
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DB *db;
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if(OpenDB("testdb_ReadTTL", &db).ok() == false) {
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std::cerr << "open db failed" << std::endl;
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abort();
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}
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InsertData(db, long_value_size);
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ReadOptions readOptions;
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Status status;
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int key_num = data_size / long_value_size;
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srand(42);
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for (int i = 0; i < 100; i++) {
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int key_ = rand() % key_num+1;
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std::string key = std::to_string(key_);
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std::string value;
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std::string expected_value(long_value_size, 'a');
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status = db->Get(readOptions, key, &value);
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ASSERT_TRUE(status.ok());
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EXPECT_EQ(expected_value, value);
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}
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}
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int main(int argc, char** argv) {
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// All tests currently run with the same read-only file limits.
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testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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