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165 lines
4.5 KiB
165 lines
4.5 KiB
#include "gtest/gtest.h"
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#include "leveldb/env.h"
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#include "leveldb/db.h"
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#include "util/coding.h"
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using namespace leveldb;
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using Field=std::pair<Slice,Slice>;
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using FieldArray=std::vector<std::pair<Slice, Slice>>;
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Status OpenDB(std::string dbName, DB **db) {
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Options options;
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options.max_file_size=16*1024;
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options.write_buffer_size=32*1024;
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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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TEST(Test, CheckGetFields) {
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DB *db;
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WriteOptions writeOptions;
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ReadOptions readOptions;
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if(OpenDB("testdb_for_XOY_large", &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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std::string key1 = "k_1";
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FieldArray fields1 = {
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{"name", "Customer#000000001"},
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{"address", "IVhzIApeRb"},
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{"phone", "25-989-741-2988"}
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};
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auto value1=SerializeValue(fields1);
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db->Put(WriteOptions(), key1, value1);
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std::string value_ret;
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FieldArray res1;
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db->Get(ReadOptions(), key1, &value_ret);
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DeserializeValue(value_ret, &res1);
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for(auto pr:res1){
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std::cout<<std::string(pr.first.data(),pr.first.size())<<" "<<std::string(pr.second.data(),pr.second.size())<<"\n";
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}
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ASSERT_TRUE(CompareFieldArray(fields1, res1));
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db->Delete(WriteOptions(),key1);
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std::cout<<"get serialized value done"<<std::endl;
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delete db;
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}
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TEST(Test, CheckSearchKey) {
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DB *db;
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ReadOptions readOptions;
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if(OpenDB("testdb_for_XOY_large", &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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std::vector<std::string> keys;
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std::vector<std::string> target_keys;
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for(int i=0;i<10000;i++){
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std::string key=std::to_string(rand()%10000)+"_"+std::to_string(i);//random for generate nonincreasing keys
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FieldArray fields={
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{"name", key},
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{"address", std::to_string(rand()%7)},
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{"phone", std::to_string(rand()%114514)}
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};
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if(rand()%5==0){
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fields[0].second="special_key";
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target_keys.push_back(key);
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}
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keys.push_back(key);
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db->Put(WriteOptions(),key,SerializeValue(fields));
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}
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std::sort(target_keys.begin(),target_keys.end());
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std::vector<std::string> key_res;
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Get_keys_by_field(db,ReadOptions(),{"name", "special_key"},&key_res);
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ASSERT_TRUE(CompareKey(key_res, target_keys));
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std::cout<<"get key by field done"<<std::endl;
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for(auto s:keys){
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db->Delete(WriteOptions(),s);
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}
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delete db;
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}
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TEST(Test, LARGE_DATA_COMPACT_TEST) {
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DB *db;
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WriteOptions writeOptions;
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ReadOptions readOptions;
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if(OpenDB("testdb_for_XOY_large", &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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std::vector<std::string> values;
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for(int i=0;i<50000;i++){
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std::string key=std::to_string(i);
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std::string value;
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for(int j=0;j<5000;j++){
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value+=std::to_string(i);
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}
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values.push_back(value);
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db->Put(writeOptions,key,value);
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}
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for(int i=0;i<50000;i++){
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std::string key=std::to_string(i);
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std::string value;
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Status s=db->Get(readOptions,key,&value);
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assert(s.ok());
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if(values[i]!=value){
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std::cout<<value.size()<<std::endl;
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assert(0);
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}
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ASSERT_TRUE(values[i]==value);
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}
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delete db;
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}
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TEST(Test, Garbage_Collect_TEST) {
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DB *db;
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WriteOptions writeOptions;
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ReadOptions readOptions;
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if(OpenDB("testdb_for_XOY_large", &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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std::vector<std::string> values;
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for(int i=0;i<5000;i++){
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std::string key=std::to_string(i);
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std::string value;
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for(int j=0;j<1000;j++){
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value+=std::to_string(i);
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}
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values.push_back(value);
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db->Put(writeOptions,key,value);
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}
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std::cout<<"start gc"<<std::endl;
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db->TEST_GarbageCollect();
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std::cout<<"finish gc"<<std::endl;
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for(int i=0;i<5000;i++){
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// std::cout<<i<<std::endl;
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std::string key=std::to_string(i);
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std::string value;
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Status s=db->Get(readOptions,key,&value);
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assert(s.ok());
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if(values[i]!=value){
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std::cout<<value.size()<<std::endl;
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assert(0);
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}
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ASSERT_TRUE(values[i]==value);
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}
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delete db;
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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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