Nevar pievienot vairāk kā 25 tēmas
Tēmai ir jāsākas ar burtu vai ciparu, tā var saturēt domu zīmes ('-') un var būt līdz 35 simboliem gara.
112 rindas
2.6 KiB
112 rindas
2.6 KiB
#include "gtest/gtest.h"
|
|
#include "leveldb/env.h"
|
|
#include "leveldb/db.h"
|
|
|
|
using namespace leveldb;
|
|
|
|
constexpr int value_size = 2048;
|
|
constexpr int data_size = 128 << 20;
|
|
|
|
Status OpenDB(std::string dbName, DB **db) {
|
|
Options options;
|
|
options.create_if_missing = true;
|
|
return DB::Open(options, dbName, db);
|
|
}
|
|
|
|
void InsertData(DB *db, uint64_t ttl/* second */) {
|
|
WriteOptions writeOptions;
|
|
int key_num = data_size / value_size;
|
|
srand(0);
|
|
|
|
for (int i = 0; i < key_num; i++) {
|
|
int key_ = rand() % key_num+1;
|
|
std::string key = std::to_string(key_);
|
|
std::string value(value_size, 'a');
|
|
db->Put(writeOptions, key, value, ttl);
|
|
}
|
|
}
|
|
|
|
void GetData(DB *db, int size = (1 << 30)) {
|
|
ReadOptions readOptions;
|
|
int key_num = data_size / value_size;
|
|
|
|
// 点查
|
|
srand(0);
|
|
for (int i = 0; i < 100; i++) {
|
|
int key_ = rand() % key_num+1;
|
|
std::string key = std::to_string(key_);
|
|
std::string value;
|
|
db->Get(readOptions, key, &value);
|
|
}
|
|
}
|
|
//
|
|
TEST(TestTTL, ReadTTL) {
|
|
DB *db;
|
|
if(OpenDB("testdb", &db).ok() == false) {
|
|
std::cerr << "open db failed" << std::endl;
|
|
abort();
|
|
}
|
|
// 如果出现open db fail,请酌情提高这里
|
|
uint64_t ttl = 50;
|
|
|
|
InsertData(db, ttl);
|
|
|
|
ReadOptions readOptions;
|
|
Status status;
|
|
int key_num = data_size / value_size;
|
|
srand(0);
|
|
for (int i = 0; i < 100; i++) {
|
|
int key_ = rand() % key_num+1;
|
|
std::string key = std::to_string(key_);
|
|
std::string value;
|
|
status = db->Get(readOptions, key, &value);
|
|
ASSERT_TRUE(status.ok());
|
|
}
|
|
|
|
Env::Default()->SleepForMicroseconds(ttl * 1000000);
|
|
|
|
for (int i = 0; i < 100; i++) {
|
|
int key_ = rand() % key_num+1;
|
|
std::string key = std::to_string(key_);
|
|
std::string value;
|
|
status = db->Get(readOptions, key, &value);
|
|
ASSERT_FALSE(status.ok());
|
|
}
|
|
delete db;
|
|
Env::Default()->SleepForMicroseconds( 1000);
|
|
}
|
|
|
|
TEST(TestTTL, CompactionTTL) {
|
|
DestroyDB("testdb", Options());
|
|
DB *db;
|
|
if(OpenDB("testdb", &db).ok() == false) {
|
|
std::cerr << "open db failed" << std::endl;
|
|
abort();
|
|
}
|
|
|
|
uint64_t ttl = 20;
|
|
InsertData(db, ttl);
|
|
|
|
leveldb::Range ranges[1];
|
|
ranges[0] = leveldb::Range("-", "A");
|
|
uint64_t sizes[1];
|
|
db->GetApproximateSizes(ranges, 1, sizes);
|
|
ASSERT_GT(sizes[0], 0);
|
|
|
|
Env::Default()->SleepForMicroseconds(ttl * 1000000);
|
|
|
|
db->CompactRange(nullptr, nullptr);
|
|
|
|
leveldb::Range ranges2[1];
|
|
ranges2[0] = leveldb::Range("-", "A");
|
|
uint64_t sizes2[1];
|
|
db->GetApproximateSizes(ranges2, 1, sizes2);
|
|
ASSERT_EQ(sizes2[0], 0);
|
|
}
|
|
|
|
|
|
int main(int argc, char** argv) {
|
|
// All tests currently run with the same read-only file limits.
|
|
testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|