-vm
C:\Program Files\Java\jdk1.8.0_301\bin\javaw.exe
..이하 생략...

package org.zerock.sample;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import lombok.Data;

@Component  //하나의 빈으로 하겠다, 왼쪽에 s모양 자동 생성됨.
@Data
public class Restaurant {
	
	@Autowired
	private Chef chef;
}

package org.zerock.sample;

import static org.junit.Assert.assertNotNull;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import lombok.extern.log4j.Log4j;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("file:src/main/webapp/WEB-INF/spring/root-context.xml")
@Log4j
public class SampleTests {

	@Autowired  //new를 안써서 객체를 생성을 안해도 스프링이 자동으로 객체를 생성해서 돌아가게 해준다?
	private Restaurant restaurant;
	
	@Test
	public void testExit() {  //실행해서 볼 때는 testExit-Run As-JUnit test
		assertNotNull(restaurant);
		
		log.info(restaurant);
		log.info("----------------------------");
		log.info(restaurant.getChef());
	}
	
}

package org.zerock.sample;

import org.springframework.stereotype.Component;

import lombok.Getter;
import lombok.ToString;

@Component
@ToString
@Getter
public class SampleHotel {
	
	private Chef chef;
	
	public SampleHotel(Chef chef) {
		this.chef = chef;
	}
}

package org.zerock.sample;

import org.springframework.stereotype.Component;

import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.ToString;

@Component
@ToString
@Getter
@AllArgsConstructor
public class SampleHotel {
	
	private Chef chef;
}

package org.zerock.persistence;

import static org.junit.Assert.fail;

import java.sql.Connection;
import java.sql.DriverManager;

import org.junit.Test;

import lombok.extern.log4j.Log4j;

@Log4j
public class JDBCTests {
	static {  //클래스 내의 데이터 초기화하는 키워드. static은 한번만 초기화
		try {
			Class.forName("oracle.jdbc.driver.OracleDriver");
		}catch(Exception e) {
			e.printStackTrace();
		}
	}
	
	@Test
	public void testConnection() {  //실행은 testConnection더블클릭 - Run As - 2 JUnit
		
		//try-with-resources 문법이다. Autocloseable 인터페이스를 구현하는 클래스 기반...?
		try(Connection con = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:XE", "c##jane", "1234")){  //성공적으로 Connection 될경우 나중에 자동으로 close해줌
			log.info(con);
		}catch(Exception e) {
			fail(e.getMessage());  //fail은 Test(JUnit)에서 쓸 수 있는거?
		}
	}
}

package org.zerock.persistence;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

import java.sql.Connection;

import javax.sql.DataSource;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.zerock.sample.SampleTests;

import lombok.extern.log4j.Log4j;

@RunWith(SpringJUnit4ClassRunner.class)  //스프링 실행
@ContextConfiguration("file:src/main/webapp/WEB-INF/spring/root-context.xml")  //이 빈을 읽어라. (모든 빈을 만드는건 root-context.xml에 들어있음!)
@Log4j
public class DataSourceTests {
	
	@Autowired
	private DataSource datasource;
	
	@Test
	public void testConnection() {
		try(Connection con = datasource.getConnection()){
			log.info(con);
		}catch(Exception e) {
			fail(e.getMessage());
		}
	}
	
}

package org.zerock.persistence;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;

import java.sql.Connection;

import javax.sql.DataSource;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.zerock.sample.SampleTests;

import lombok.extern.log4j.Log4j;

@RunWith(SpringJUnit4ClassRunner.class)  //스프링 실행
@ContextConfiguration("file:src/main/webapp/WEB-INF/spring/root-context.xml")  //이 빈을 읽어라. (모든 빈을 만드는건 root-context.xml에 들어있음!)
@Log4j
public class DataSourceTests {
	
    //위에 썼던거.. 없어도 된다 hikari를 이용한 커넥션 풀 연결.
	@Autowired
	private DataSource datasource;
	
	@Test
	public void testConnection() {
		try(Connection con = datasource.getConnection()){
			log.info(con);
		}catch(Exception e) {
			fail(e.getMessage());
		}
	}
    //위에 썼던거.. 없어도 된다 hikari
	

    //SQLSession은 커넥션 역할, SQLSessionFactory는 SQLSession객체 생성해주는 역할
	@Autowired
	private SqlSessionFactory sqlSessionFactory;
	
	@Test
	public void testMyBatis() {
		try(SqlSession session = sqlSessionFactory.openSession(); Connection con = session.getConnection();){
			log.info(session);
			log.info(con);
		}catch(Exception e) {
			fail(e.getMessage());
		}
	}
	
}

package org.zerock.mapper;

import org.apache.ibatis.annotations.Select;

public interface TimeMapper {
	
	@Select("SELECT sysdate FROM dual")
	public String getTime();
	
}

package org.zerock.persistence;


import javax.sql.DataSource;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.zerock.mapper.TimeMapper;

import lombok.extern.log4j.Log4j;

@RunWith(SpringJUnit4ClassRunner.class)  //스프링 실행
@ContextConfiguration("file:src/main/webapp/WEB-INF/spring/root-context.xml")  //이 빈을 읽어라. (모든 빈을 만드는건 root-context.xml에 들어있음!)
@Log4j
public class TimeMapperTests {
	
	@Autowired
	private TimeMapper timeMapper;
	
	@Test
	public void testGetTime() {
		log.info(timeMapper.getClass().getName());
		log.info(timeMapper.getTime());
	}
}

package org.zerock.mapper;

import org.apache.ibatis.annotations.Select;

public interface TimeMapper {
	
	@Select("SELECT sysdate FROM dual")
	public String getTime();
	
	public String getTime2();  //이거 추가
}

package org.zerock.persistence;


import javax.sql.DataSource;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.zerock.mapper.TimeMapper;

import lombok.extern.log4j.Log4j;

@RunWith(SpringJUnit4ClassRunner.class)  //스프링 실행
@ContextConfiguration("file:src/main/webapp/WEB-INF/spring/root-context.xml")  //이 빈을 읽어라. (모든 빈을 만드는건 root-context.xml에 들어있음!)
@Log4j
public class TimeMapperTests {
	
	@Autowired
	private TimeMapper timeMapper;
	
	@Test
	public void testGetTime() {
		log.info(timeMapper.getClass().getName());
		log.info(timeMapper.getTime());
	}
	
    //여기부분만 추가~~~ 위에는 앞에서 했던거.
	@Test
	public void testGetTime2() {
		log.info("getTime2");
		log.info(timeMapper.getTime2());
	}
}