25'ten fazla konu seçemezsiniz
Konular bir harf veya rakamla başlamalı, kısa çizgiler ('-') içerebilir ve en fazla 35 karakter uzunluğunda olabilir.
292 satır
8.8 KiB
292 satır
8.8 KiB
#include "gtest/gtest.h"
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#include "db/NewDB.h" // NewDB 的头文件
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#include "leveldb/env.h"
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#include "leveldb/db.h"
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#include <iostream>
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using namespace leveldb;
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// 打开数据库的辅助函数
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Status OpenDB(std::string dbName, NewDB** db) {
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Options options = Options();
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options.create_if_missing = true;
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return NewDB::Open(options, dbName, db);
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}
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std::string testdbname = "testdb11";
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// 测试 NewDB::Put_fields 方法和二级索引的创建
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TEST(TestNewDB, PutFieldsWithIndexTest) {
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// 创建 NewDB 实例
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NewDB* db;
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if (OpenDB(testdbname, &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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// 创建索引字段
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db->CreateIndexOnField("address");
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// 定义插入的字段数据
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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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// 定义字段数组，用于获取数据
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FieldArray retrieved_fields;
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// 使用 NewDB::Put_fields 插入数据
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db->Put_fields(WriteOptions(), key1, fields1);
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// // 检查索引是否成功创建
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// EXPECT_TRUE(db->IsFieldIndexed("address")); // 检查字段是否已索引
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// 获取并验证字段数据
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db->Get_fields(ReadOptions(), key1, &retrieved_fields);
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EXPECT_EQ(retrieved_fields.size(), fields1.size());
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// 验证插入的每个字段
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for (size_t i = 0; i < fields1.size(); ++i) {
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EXPECT_EQ(fields1[i].first, retrieved_fields[i].first); // 字段名
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EXPECT_EQ(fields1[i].second, retrieved_fields[i].second); // 字段值
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}
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// 插入第二条数据
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std::string key2 = "k_2";
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FieldArray fields2 = {
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{"name", "Customer#000000002"},
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{"address", "TXkjZEdIrZ"},
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{"phone", "25-123-456-7890"}
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};
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db->Put_fields(WriteOptions(), key2, fields2);
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// 获取并验证第二条数据
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FieldArray retrieved_fields2;
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db->Get_fields(ReadOptions(), key2, &retrieved_fields2);
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EXPECT_EQ(retrieved_fields2.size(), fields2.size());
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for (size_t i = 0; i < fields2.size(); ++i) {
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EXPECT_EQ(fields2[i].first, retrieved_fields2[i].first); // 字段名
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EXPECT_EQ(fields2[i].second, retrieved_fields2[i].second); // 字段值
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}
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// 清理数据库
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delete db;
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}
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TEST(TestNewDB, DeleteDataTest) {
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// 创建 NewDB 实例
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NewDB* db;
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ASSERT_TRUE(OpenDB(testdbname, &db).ok());
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// 插入测试数据
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std::string key = "k_3";
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FieldArray fields = {
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{"name", "Customer#000000003"},
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{"address", "AddressToDelete"},
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{"phone", "25-789-123-4567"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key, fields).ok());
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// 删除数据
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ASSERT_TRUE(db->Delete(WriteOptions(), key));
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// 验证数据已被删除
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FieldArray retrieved_fields;
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Status s = db->Get_fields(ReadOptions(), key, &retrieved_fields);
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ASSERT_FALSE(s.ok()); // 数据应该不存在
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// 清理数据库
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delete db;
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}
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TEST(TestNewDB, QueryByIndexTest) {
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// 创建 NewDB 实例
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NewDB* db;
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ASSERT_TRUE(OpenDB(testdbname, &db).ok());
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// 创建索引字段
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db->CreateIndexOnField("address");
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// 插入测试数据
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std::string key1 = "k_4";
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FieldArray fields1 = {
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{"name", "Customer#000000004"},
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{"address", "AddressToFind"},
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{"phone", "25-987-654-3210"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key1, fields1).ok());
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// 查询索引
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Field field_to_query{"address", "AddressToFind"};
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std::vector<std::string> matching_keys = db->QueryByIndex(field_to_query);
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// 验证查询结果
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ASSERT_EQ(matching_keys.size(), 1);
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EXPECT_EQ(matching_keys[0], key1);
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// 清理数据库
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delete db;
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}
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TEST(TestNewDB, DeleteIndexTest) {
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// 创建 NewDB 实例
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NewDB* db;
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ASSERT_TRUE(OpenDB(testdbname, &db).ok());
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// 创建索引字段
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db->CreateIndexOnField("address");
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// 插入测试数据
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std::string key1 = "k_5";
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FieldArray fields1 = {
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{"name", "Customer#000000005"},
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{"address", "AddressToDeleteIndex"},
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{"phone", "25-123-456-7890"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key1, fields1).ok());
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// 删除索引
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ASSERT_TRUE(db->DeleteIndex("address:AddressToDeleteIndex_k_5"));
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// 尝试查询已删除的索引
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Field field_to_query{"address", "AddressToDeleteIndex"};
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std::vector<std::string> matching_keys = db->QueryByIndex(field_to_query);
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// 验证查询结果为空
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EXPECT_TRUE(matching_keys.empty());
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// 清理数据库
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delete db;
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}
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TEST(TestNewDB, UpdateFieldsAndQueryIndexTest) {
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// 创建 NewDB 实例
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NewDB* db;
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ASSERT_TRUE(OpenDB(testdbname, &db).ok());
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// 创建索引字段
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db->CreateIndexOnField("address");
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// 插入初始数据
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std::string key = "k_6";
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FieldArray initial_fields = {
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{"name", "Customer#000000006"},
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{"address", "InitialAddress"},
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{"phone", "25-987-654-3210"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key, initial_fields).ok());
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// 验证初始数据的索引查询
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Field query_field1{"address", "InitialAddress"};
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std::vector<std::string> matching_keys = db->QueryByIndex(query_field1);
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ASSERT_EQ(matching_keys.size(), 1);
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EXPECT_EQ(matching_keys[0], key);
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// 更新数据
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FieldArray updated_fields = {
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{"name", "Customer#000000006"},
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{"address", "UpdatedAddress"},
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{"phone", "25-987-654-3210"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key, updated_fields).ok());
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// 获取并验证字段数据
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FieldArray retrieved_fields;
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db->Get_fields(ReadOptions(), key, &retrieved_fields);
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EXPECT_EQ(retrieved_fields.size(), updated_fields.size());
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// 验证插入的每个字段
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for (size_t i = 0; i < updated_fields.size(); ++i) {
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EXPECT_EQ(updated_fields[i].first, retrieved_fields[i].first); // 字段名
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EXPECT_EQ(updated_fields[i].second, retrieved_fields[i].second); // 字段值
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}
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// 验证新的 address 字段值存在于索引中
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Field query_field2{"address", "UpdatedAddress"};
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matching_keys = db->QueryByIndex(query_field2);
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ASSERT_EQ(matching_keys.size(), 1);
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EXPECT_EQ(matching_keys[0], key);
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// 验证旧的 address 字段值不再存在于索引中
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matching_keys = db->QueryByIndex(query_field1);
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ASSERT_EQ(matching_keys.size(), 0);
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EXPECT_TRUE(matching_keys.empty());
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// 清理数据库
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db->Delete(WriteOptions(), "k_1");
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db->Delete(WriteOptions(), "k_2");
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db->Delete(WriteOptions(), "k_3");
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db->Delete(WriteOptions(), "k_4");
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db->Delete(WriteOptions(), "k_5");
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db->Delete(WriteOptions(), "k_6");
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delete db;
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}
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TEST(TestNewDB, CreateIndexOnExistingDataTest) {
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// 创建 NewDB 实例
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NewDB* db;
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ASSERT_TRUE(OpenDB(testdbname, &db).ok());
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// 插入一些测试数据（没有索引的情况下）
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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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ASSERT_TRUE(db->Put_fields(WriteOptions(), key1, fields1).ok());
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std::string key2 = "k_2";
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FieldArray fields2 = {
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{"name", "Customer#000000002"},
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{"address", "TXkjZEdIrZ"},
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{"phone", "25-123-456-7890"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key2, fields2).ok());
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std::string key3 = "k_3";
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FieldArray fields3 = {
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{"name", "Customer#000000003"},
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{"address", "IVhzIApeRb"}, // 相同地址字段值
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{"phone", "25-789-123-4567"}
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};
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ASSERT_TRUE(db->Put_fields(WriteOptions(), key3, fields3).ok());
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// 创建索引字段 'address'
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ASSERT_TRUE(db->CreateIndexOnField("address"));
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// 查询索引字段 'address' 的数据，验证它能正确索引已有的数据
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Field field_to_query{"address", "IVhzIApeRb"};
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std::vector<std::string> matching_keys = db->QueryByIndex(field_to_query);
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// 验证索引查询结果
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ASSERT_EQ(matching_keys.size(), 2); // 预期查询到两个相同地址的记录
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EXPECT_TRUE(std::find(matching_keys.begin(), matching_keys.end(), key1) != matching_keys.end());
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EXPECT_TRUE(std::find(matching_keys.begin(), matching_keys.end(), key3) != matching_keys.end());
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field_to_query.second = "TXkjZEdIrZ"; // 另一个地址值
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matching_keys = db->QueryByIndex(field_to_query);
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// 验证查询结果
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ASSERT_EQ(matching_keys.size(), 1); // 预期只有一个结果
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EXPECT_EQ(matching_keys[0], key2);
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// 清理数据库
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db->Delete(WriteOptions(), key1);
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db->Delete(WriteOptions(), key2);
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db->Delete(WriteOptions(), key3);
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delete db;
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}
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// 主函数运行所有测试
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int main(int argc, char** argv) {
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testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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