글 작성 - save() > SPRING_DATA_JPA

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package web.repository;

import java.util.Optional;

import java.util.stream.IntStream;

import org.junit.jupiter.api.Test;

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

import org.springframework.boot.test.context.SpringBootTest;

import jakarta.transaction.Transactional;

import lombok.extern.log4j.Log4j2;

import web.domain.Board;

@SpringBootTest

@Log4j2

public class BoardRepositoryTest {

@Autowired

private BoardRepository boardRepository;

//글 작성

//@Test

public void testInsert() {

//db에 insert를 실행하는 기능은 JpaRepository의 save()를 통해 실행

//save() : 미 존재시 insert , 존재시 update 처리된다.

IntStream.rangeClosed(1, 100).forEach(i -> { // rangeClosed() : 1 <= i <= 100

Board board = Board.builder()

.title("제목..."+i)

.content("내용..."+i)

.writer("작성자"+(i%10))

.build();

Board result = boardRepository.save(board);

log.info("regdate : "+result.getRegDate()); //작성 날짜 확인

});

}

//@Test

public void testInsert2() {

Board board = new Board();

board.setTitle("제목이다.");

board.setContent("내용이다.");

board.setWriter("이순신");

log.info(boardRepository.save(board));

}

}