View my reference

src/main/java/Remoa/BE/Member/Controller/KakaoController.java

@@ -94,9 +94,16 @@ public ResponseEntity<Object> testLogin(@RequestBody Integer kakaoId, HttpServle
     public ResponseEntity<Object> signupKakaoMember(@RequestBody @Validated ReqSignupDto form, HttpServletRequest request) {
 
         Member member = new Member();
+
+        //닉네임 사용 가능하면 그대로 진행, 불가능하면 임의 닉네임 "유저-{kakaoId}로 지정.
+        Boolean nicknameDuplicate = memberService.isNicknameDuplicate(form.getNickname());
+        if (nicknameDuplicate) { //특수문자는 닉네임에 사용할 수 없으나 임의로 지정하는 닉네임에는 사용 가능하게 해서 또 다른 중복 문제 없게끔.
+            member.setNickname("유저-" + form.getKakaoId());
+        } else {
+            member.setNickname(form.getNickname());
+        }
         member.setKakaoId(form.getKakaoId());
         member.setEmail(form.getEmail());
-        member.setNickname(form.getNickname());
         member.setProfileImage(form.getProfileImage());
         member.setTermConsent(form.getTermConsent());
 

src/main/java/Remoa/BE/Member/Controller/ProfileController.java

@@ -46,7 +46,7 @@ public ResponseEntity<Object> userHome(HttpServletRequest request) {
     // RESTful API에서 PUT 매핑은 수정할 리소스를 명확하게 지정해야 하는데 이 경우에는 URL에 리소스 ID를 명시하는 것이 일반적이다.
     // 그런데 우리는 수정할 사용자의 정보를 모두 입력받아 수정하는 형태이기 때문에
     // URL에 리소스 ID를 명시할 필요가 없어서 PUT대신 POST 매핑을 사용하였습니다.
-    @PostMapping("/user")
+    @PutMapping("/user")
     public ResponseEntity<Object> editProfile(@RequestBody EditProfileForm form, HttpServletRequest request) {
         HttpSession session = request.getSession();
         Member loginMember = (Member) session.getAttribute("loginMember");
@@ -56,7 +56,8 @@ public ResponseEntity<Object> editProfile(@RequestBody EditProfileForm form, Htt
             return failResponse(CustomMessage.VALIDATED, "로그인하지 않은 회원입니다. <redirect:/login/kakao> 로 redirect");
         }
 
-        if (memberService.isNicknameDuplicate(form.getNickname())) {
+        if (memberService.isNicknameDuplicate(form.getNickname()) &&
+                isNicknameChanged(form, loginMember)) {
             return failResponse(CustomMessage.VALIDATED, "닉네임이 중복됩니다.");
         }
 
@@ -69,6 +70,13 @@ public ResponseEntity<Object> editProfile(@RequestBody EditProfileForm form, Htt
         return successResponse(CustomMessage.OK, "redirect:/user");
     }
 
+    /**
+     * 닉네임이 변경되지 않아 기존의 닉네임을 다시 사용했을 때 닉네임 중복 체크 로직이 동작하지 않게끔.
+     */
+    private boolean isNicknameChanged(EditProfileForm form, Member loginMember) {
+        return !(form.getNickname().equals(loginMember.getNickname()));
+    }
+
     /**
      * 프론트에서 닉네임 중복 검사를 할 때 사용할 메서드
      * @param nickname

src/main/java/Remoa/BE/Member/Service/KakaoService.java

@@ -14,6 +14,7 @@
 import java.net.MalformedURLException;
 import java.net.ProtocolException;
 import java.net.URL;
+import java.nio.charset.StandardCharsets;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -121,7 +122,8 @@ public Map<String, Object> getUserInfo(String access_token) throws IOException {
             int responseCode = urlConnection.getResponseCode();
             log.debug("responseCode = {}", responseCode);
 
-            BufferedReader br = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
+            BufferedReader br = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(),
+                    StandardCharsets.UTF_8)); //한글 깨짐 문제 해결하기 위한 인코딩 파라메터 추가
             String line = "";
             String res = "";
             //다양한 형식(한 줄 이상의 JSON 데이터)를 받기 위한 작업

src/main/java/Remoa/BE/Post/Controller/MyPostController.java

@@ -0,0 +1,23 @@
+package Remoa.BE.Post.Controller;
+
+import Remoa.BE.Post.Service.PostService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.CrossOrigin;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+@CrossOrigin(origins = "*")
+public class MyPostController {
+
+    private final PostService postService;
+
+ /*   @GetMapping("/user/reference")
+    public ResponseEntity<Object> viewMyReference() {
+
+    }*/
+}

src/test/java/Remoa/BE/withdrew/WithdrewTest.java

@@ -3,7 +3,7 @@
 
 import Remoa.BE.Member.Domain.Member;
 import Remoa.BE.Member.Repository.MemberRepository;
-import Remoa.BE.Member.Service.SignupService;
+import Remoa.BE.Member.Service.MemberService;
 import Remoa.BE.Member.Service.WithdrewService;
 import org.junit.Assert;
 import org.junit.Test;
@@ -18,6 +18,7 @@
 import javax.persistence.EntityManager;
 
 import java.util.List;
+import java.util.Optional;
 
 import static org.junit.Assert.assertEquals;
 
@@ -31,7 +32,7 @@
 public class WithdrewTest {
 
     @Autowired
-    SignupService signupService;
+    MemberService memberService;
 
     @Autowired
     MemberRepository memberRepository;
@@ -46,7 +47,7 @@ public class WithdrewTest {
     public void 회원을_탈퇴하면_멤버테이블의_deleted_컬럼이_true로_바뀐다() throws Exception {
         //given
         Member testMember = createMember();
-        signupService.join(testMember);
+        memberService.join(testMember);
 
         em.flush();
 
@@ -72,7 +73,7 @@ public class WithdrewTest {
     public void 탈퇴한_멤버_엔티티의_deleted_필드는_true이다() throws Exception {
         //given
         Member testMember = createMember();
-        signupService.join(testMember);
+        memberService.join(testMember);
 
         em.flush();
 
@@ -83,7 +84,9 @@ public class WithdrewTest {
 
         em.flush();
 
-        Member findMember = memberRepository.findOne(testMemberId);
+        Optional<Member> member = memberRepository.findOne(testMemberId);
+        Member findMember = member.get();
+
 
         //then
         assertEquals("회원을 탈퇴하면 해당 멤버 엔티티의 deleted 필드는 true이다.", true, findMember.getDeleted());