작성
·
202
0
package hi.hellospring.repository;
import hi.hellospring.domain.Member;
import org.junit.jupiter.api.Test;
import org.assertj.core.api.Assertions;
import java.util.List;
import static org.assertj.core.api.Assertions.*;
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);*/
assertThat(member).isEqualTo(result);
}
@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();
assertThat(result).isEqualTo(member1);
}
@Test
public void findAll(){
Member member1 = new Member();
member1.setName("Spring1");
repository.save(member1);
Member member2 = new Member();
member2.setName("Spring2");
repository.save(member2);
List<Member> result = repository.findAll();
assertThat(result.size()).isEqualTo(2);
}
}
전문 코드입니다 쌤 클리어 코드를 작성 하지 않았는데도
오류가 안나고
정상작동이 됩니다. 그리고 클리어 코드를 작성 했는데
clearStore를 가져오지 못합니다.
버전이 달라서 그런건가요 ?
답변 3
0
0
package hi.hellospring.repository;
import hi.hellospring.domain.Member;
import java.util.HashMap;
import java.util.*;
import java.util.Map;
import java.util.Optional;
public class MemoryMemberRepository implements MemberRepository{
private Map<Long,Member> store = new HashMap<>();
private static long sequence = 0L;
@Override
public Member save(Member member) {
member.setId(++sequence);
store.put(member.getId(), member);
return member;
}
@Override
public Optional<Member> findbyId(Long id) {
return Optional.ofNullable(store.get(id)); // 널이 있어도 일단 실행
}
@Override
public Optional<Member> findbyName(String name) {
return store.values().stream().filter(member -> member.getName().equals(name)).findAny();//람다식 공부해야함 / findany 하나라도 있으면 찾음
}
@Override
public List<Member> findAll() {
return new ArrayList<>(store.values());
}
}
입니다
0