테스트코드 작성(기초)

package com.study.hello.repository;

import static org.assertj.core.api.Assertions.*;

import com.study.hello.domain.Member;
import java.util.List;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;

class MemoryMemberRepositoryTest {

    MemoryMemberRepository repository = new MemoryMemberRepository();

    // 테스트 한 블럭 끝날 때마다 데이터삭제
    @AfterEach
    public void afterEach() {
        repository.clearStore();
    }

    @Test
    public void save() {
        // 테스트를 위한 객체 생성
        Member member = new Member();
        member.setName("spring");
        // 생성한 객체 저장
        repository.save(member);
        // 테스트하고 싶은 메서드
        Member result = repository.findById(member.getId()).get();
        // 내가 원하는 값이 나왔는지
        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);
    }

}