
안에 Test Class 만들어줄 것
package izero.hellospring.repository;
import izero.hellospring.domain.Member;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
public class MemoryMemberRepositoryTest {
MemberRepository repository = new MemoryMemberRepository();
@Test
public void save(){
Member member = new Member();
member.setName("spring");
repository.save(member);
Member result = repository.findById(member.getId()).get();
System.out.println("result = " + (result == member));
Assertions.assertEquals(member, result);
}
}
대충 위 같이 써 줬을 때,

save run 하면
이렇게만 뜨고

아무것도 안나오는데
얘를

@Test
public void findByName(){
Member member1 = new Member();
member1.setName("spring1");
repository.save(member1);
Member member2 = new Member();
member2.setName("spring2");
repository.save(member2);
Member result = repository.findByName("spring1").get();
Assertions.assertEquals(result,member1);
}


3개 만들어서 repository에 save 했으니까 3이랑 같아야
그래서 2로 바꾸는 순간

바로 에러


