55 lines
1.5 KiB
Java
55 lines
1.5 KiB
Java
package com.example.springdatajpa.entity;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.annotation.Rollback;
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import org.springframework.transaction.annotation.Transactional;
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import javax.persistence.EntityManager;
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import javax.persistence.PersistenceContext;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.*;
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@SpringBootTest
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@Transactional
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@Rollback(value = false)
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class MemberTest {
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@PersistenceContext
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EntityManager em;
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@Test
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void testEntity() {
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Team teamA = new Team("teamA");
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Team teamB = new Team("teamB");
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em.persist(teamA);
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em.persist(teamB);
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Member member1 = new Member("member1", 10, teamA);
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Member member2 = new Member("member2", 10, teamA);
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Member member3 = new Member("member3", 10, teamB);
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Member member4 = new Member("member4", 10, teamB);
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em.persist(member1);
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em.persist(member2);
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em.persist(member3);
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em.persist(member4);
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// 초기화
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em.flush(); // 영속성 컨텍스트 -> DB
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em.clear(); // 영속성 컨텍스트 캐시 삭제
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// 확인
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List<Member> members = em.createQuery("select m from Member m", Member.class)
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.getResultList();
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for (Member member : members) {
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System.out.println("member = " + member);
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System.out.println("member.getTeam() = " + member.getTeam());
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}
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}
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} |