메인 서비스 기능 테스트 코드 작성

MemberManagementExample/src/test/java/com/example/MemberManagementExample/service/MemberServiceTest.java

@@ -0,0 +1,71 @@
+package com.example.MemberManagementExample.service;
+
+import com.example.MemberManagementExample.domain.Member;
+import com.example.MemberManagementExample.repository.MemoryMemberRepository;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+
+class MemberServiceTest {
+
+    MemberService memberService;
+    MemoryMemberRepository memoryMemberRepository;
+
+    @BeforeEach
+    public void beforeEach() {
+        memoryMemberRepository = new MemoryMemberRepository();
+        memberService = new MemberService(memoryMemberRepository);
+    }
+
+    @AfterEach
+    public void afterEach() {
+        memoryMemberRepository.clearStore();
+    }
+
+    @Test
+    void 회원가입() {
+        //given
+        Member member = new Member();
+        member.setName("hello");
+
+        //when
+        Long saveId = memberService.join(member);
+
+        //then
+        Member findMember = memberService.findOne(saveId).get();
+        Assertions.assertThat(member.getName()).isEqualTo(findMember.getName());
+    }
+
+    @Test
+    void 중복_회원_예외() {
+        //given
+        Member member1 = new Member();
+        member1.setName("yoochanhong");
+
+        Member member2 = new Member();
+        member2.setName("yoochanhong");
+
+        //when
+        memberService.join(member1);
+        IllegalStateException e = org.junit.jupiter.api.Assertions.assertThrows(IllegalStateException.class, () -> memberService.join(member2));
+        Assertions.assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다.");
+        //        try {
+//            memberService.join(member2);
+//            fail("예외가 발생하지 않았습니다.");
+//        } catch (IllegalStateException e) {
+//            Assertions.assertThat(e.getMessage()).isEqualTo("이미 존재하는 회원입니다.");
+//        }
+        //then
+    }
+
+    @Test
+    void findMembers() {
+    }
+
+    @Test
+    void findOne() {
+    }
+}