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90 rivejä
2.7 KiB
90 rivejä
2.7 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 "fielddb/field_db.h"
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#include "test/helper.cc"
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#include <thread>
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#include <csignal>
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#include <exception>
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using namespace fielddb;
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TEST(TestNormalRecover, Recover) {
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fielddb::DestroyDB("testdb3.1",Options());
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FieldDB *db = new FieldDB();
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if(OpenDB("testdb3.1", &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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db->CreateIndexOnField("address", op);
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db->CreateIndexOnField("age", op);
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InsertFieldData(db);
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bool allowNotFound = false;
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GetFieldData(db, allowNotFound);
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findKeysByCityIndex(db, true);
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findKeysByAgeIndex(db, true);
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delete db;
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db = new FieldDB();
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if(OpenDB("testdb3.1", &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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//仍然能读到之前写入的数据和索引
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GetFieldData(db, allowNotFound);
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findKeysByCityIndex(db, true);
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findKeysByAgeIndex(db, true);
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}
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TEST(TestParalRecover, Recover) {
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//第一次运行
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// fielddb::DestroyDB("testdb3.2",Options());
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// FieldDB *db = new FieldDB();
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// if(OpenDB("testdb3.2", &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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// db->CreateIndexOnField("address", op);
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// db->CreateIndexOnField("age", op);
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// int thread_num_ = 4;
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// std::vector<std::thread> threads(thread_num_);
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// threads[0] = std::thread([db](){
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// InsertFieldData(db);
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// });
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// threads[1] = std::thread([db](){
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// WriteFieldData(db);
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// });
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// threads[2] = std::thread([db](){
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// DeleteFieldData(db);
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// });
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// threads[3] = std::thread([db](){
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// InsertOneField(db);
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// delete db;
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// });
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// for (auto& t : threads) {
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// if (t.joinable()) {
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// t.join();
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// }
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// }
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//线程3导致了其他线程错误，测试会终止（模拟数据库崩溃）
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//这会导致各线程在各种奇怪的时间点崩溃
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//第二次运行注释掉上面的代码，运行下面的代码测试恢复
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//第二次运行
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FieldDB *db = new FieldDB();
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if(OpenDB("testdb3.2", &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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GetOneField(db);
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checkDataInKVAndIndex(db);
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//这里会出现两个数字，如果>1说明除了线程3插入的一条数据，其他线程也有数据在崩溃前被正确恢复了
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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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