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Test: 테스트 작성
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‎src/test/java/com/back/domain/board/controller/CommentControllerTest.java‎

Lines changed: 244 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -24,6 +24,7 @@
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import org.springframework.transaction.annotation.Transactional;
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import java.time.LocalDate;
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import java.util.List;
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import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
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import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
@@ -581,4 +582,247 @@ void deleteComment_noToken() throws Exception {
581582
.andExpect(jsonPath("$.code").value("AUTH_001"))
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.andExpect(jsonPath("$.message").value("인증이 필요합니다."));
583584
}
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// ====================== 대댓글 생성 테스트 ======================
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@Test
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@DisplayName("대댓글 생성 성공 → 201 Created")
590+
void createReply_success() throws Exception {
591+
// given: 유저 + 게시글 + 부모 댓글
592+
User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "이몽룡", null, null, LocalDate.of(2000, 1, 1), 1000));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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Post post = new Post(user, "첫 글", "내용");
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postRepository.save(post);
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Comment parent = new Comment(post, user, "부모 댓글", null);
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commentRepository.save(parent);
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String accessToken = generateAccessToken(user);
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CommentRequest request = new CommentRequest("저도 동의합니다!");
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// when
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ResultActions resultActions = mvc.perform(
609+
post("/api/posts/{postId}/comments/{commentId}/replies", post.getId(), parent.getId())
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.header("Authorization", "Bearer " + accessToken)
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.contentType(MediaType.APPLICATION_JSON)
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.content(objectMapper.writeValueAsString(request))
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).andDo(print());
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// then
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resultActions
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.andExpect(status().isCreated())
618+
.andExpect(jsonPath("$.success").value(true))
619+
.andExpect(jsonPath("$.code").value("SUCCESS_200"))
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.andExpect(jsonPath("$.data.content").value("저도 동의합니다!"))
621+
.andExpect(jsonPath("$.data.author.nickname").value("이몽룡"))
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.andExpect(jsonPath("$.data.postId").value(post.getId()))
623+
.andExpect(jsonPath("$.data.parentId").value(parent.getId()));
624+
}
625+
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@Test
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@DisplayName("대댓글 생성 실패 - 존재하지 않는 사용자 → 404 Not Found")
628+
void createReply_userNotFound() throws Exception {
629+
// given: 게시글 + 부모 댓글
630+
User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
631+
user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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Post post = new Post(user, "제목", "내용");
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postRepository.save(post);
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Comment parent = new Comment(post, user, "부모 댓글", null);
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commentRepository.save(parent);
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// DB에 없는 userId로 JWT 발급
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String fakeToken = testJwtTokenProvider.createAccessToken(999L, "[email protected]", "USER");
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CommentRequest request = new CommentRequest("대댓글 내용");
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// when & then
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mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", post.getId(), parent.getId())
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.header("Authorization", "Bearer " + fakeToken)
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.contentType(MediaType.APPLICATION_JSON)
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.content(objectMapper.writeValueAsString(request)))
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.andDo(print())
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.andExpect(status().isNotFound())
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.andExpect(jsonPath("$.code").value("USER_001"))
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.andExpect(jsonPath("$.message").value("존재하지 않는 사용자입니다."));
655+
}
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@Test
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@DisplayName("대댓글 생성 실패 - 존재하지 않는 게시글 → 404 Not Found")
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void createReply_postNotFound() throws Exception {
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// given
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User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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Post post = new Post(user, "제목", "내용");
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postRepository.save(post);
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Comment parent = new Comment(post, user, "부모 댓글", null);
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commentRepository.save(parent);
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String accessToken = generateAccessToken(user);
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CommentRequest request = new CommentRequest("대댓글 내용");
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// when & then
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mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", 999L, parent.getId())
677+
.header("Authorization", "Bearer " + accessToken)
678+
.contentType(MediaType.APPLICATION_JSON)
679+
.content(objectMapper.writeValueAsString(request)))
680+
.andDo(print())
681+
.andExpect(status().isNotFound())
682+
.andExpect(jsonPath("$.code").value("POST_001"))
683+
.andExpect(jsonPath("$.message").value("존재하지 않는 게시글입니다."));
684+
}
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@Test
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@DisplayName("대댓글 생성 실패 - 존재하지 않는 부모 댓글 → 404 Not Found")
688+
void createReply_commentNotFound() throws Exception {
689+
// given
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User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
691+
user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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Post post = new Post(user, "제목", "내용");
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postRepository.save(post);
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String accessToken = generateAccessToken(user);
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CommentRequest request = new CommentRequest("대댓글 내용");
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// when & then
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mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", post.getId(), 999L)
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.header("Authorization", "Bearer " + accessToken)
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.contentType(MediaType.APPLICATION_JSON)
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.content(objectMapper.writeValueAsString(request)))
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.andDo(print())
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.andExpect(status().isNotFound())
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.andExpect(jsonPath("$.code").value("COMMENT_001"))
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.andExpect(jsonPath("$.message").value("존재하지 않는 댓글입니다."));
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}
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@Test
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@DisplayName("대댓글 생성 실패 - 부모 댓글이 다른 게시글에 속함 → 400 Bad Request")
714+
void createReply_parentMismatch() throws Exception {
715+
// given
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User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
719+
userRepository.save(user);
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721+
Post post1 = new Post(user, "게시글1", "내용1");
722+
Post post2 = new Post(user, "게시글2", "내용2");
723+
postRepository.saveAll(List.of(post1, post2));
724+
725+
Comment parent = new Comment(post1, user, "부모 댓글", null);
726+
commentRepository.save(parent);
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728+
String accessToken = generateAccessToken(user);
729+
CommentRequest request = new CommentRequest("대댓글 내용");
730+
731+
// when & then
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mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", post2.getId(), parent.getId())
733+
.header("Authorization", "Bearer " + accessToken)
734+
.contentType(MediaType.APPLICATION_JSON)
735+
.content(objectMapper.writeValueAsString(request)))
736+
.andDo(print())
737+
.andExpect(status().isBadRequest())
738+
.andExpect(jsonPath("$.code").value("COMMENT_003"))
739+
.andExpect(jsonPath("$.message").value("부모 댓글이 해당 게시글에 속하지 않습니다."));
740+
}
741+
742+
@Test
743+
@DisplayName("대댓글 생성 실패 - depth 제한 초과(부모가 이미 대댓글) → 400 Bad Request")
744+
void createReply_depthExceeded() throws Exception {
745+
// given
746+
User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
747+
user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
748+
user.setUserStatus(UserStatus.ACTIVE);
749+
userRepository.save(user);
750+
751+
Post post = new Post(user, "제목", "내용");
752+
postRepository.save(post);
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754+
Comment parent = new Comment(post, user, "부모 댓글", null);
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Comment child = new Comment(post, user, "대댓글1", parent);
756+
commentRepository.saveAll(List.of(parent, child));
757+
758+
String accessToken = generateAccessToken(user);
759+
CommentRequest request = new CommentRequest("대댓글2");
760+
761+
// when & then
762+
mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", post.getId(), child.getId())
763+
.header("Authorization", "Bearer " + accessToken)
764+
.contentType(MediaType.APPLICATION_JSON)
765+
.content(objectMapper.writeValueAsString(request)))
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.andDo(print())
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.andExpect(status().isBadRequest())
768+
.andExpect(jsonPath("$.code").value("COMMENT_004"))
769+
.andExpect(jsonPath("$.message").value("대댓글은 한 단계까지만 작성할 수 있습니다."));
770+
}
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772+
@Test
773+
@DisplayName("대댓글 생성 실패 - 필드 누락(content 없음) → 400 Bad Request")
774+
void createReply_badRequest() throws Exception {
775+
// given
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User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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Post post = new Post(user, "제목", "내용");
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postRepository.save(post);
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784+
Comment parent = new Comment(post, user, "부모 댓글", null);
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commentRepository.save(parent);
786+
787+
String accessToken = generateAccessToken(user);
788+
789+
String invalidJson = "{}";
790+
791+
// when & then
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mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", post.getId(), parent.getId())
793+
.header("Authorization", "Bearer " + accessToken)
794+
.contentType(MediaType.APPLICATION_JSON)
795+
.content(invalidJson))
796+
.andDo(print())
797+
.andExpect(status().isBadRequest())
798+
.andExpect(jsonPath("$.code").value("COMMON_400"))
799+
.andExpect(jsonPath("$.message").value("잘못된 요청입니다."));
800+
}
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802+
@Test
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@DisplayName("대댓글 생성 실패 - 토큰 없음 → 401 Unauthorized")
804+
void createReply_noToken() throws Exception {
805+
// given
806+
User user = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
807+
user.setUserProfile(new UserProfile(user, "이몽룡", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
809+
userRepository.save(user);
810+
811+
Post post = new Post(user, "제목", "내용");
812+
postRepository.save(post);
813+
814+
Comment parent = new Comment(post, user, "부모 댓글", null);
815+
commentRepository.save(parent);
816+
817+
CommentRequest request = new CommentRequest("대댓글 내용");
818+
819+
// when & then
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mvc.perform(post("/api/posts/{postId}/comments/{commentId}/replies", post.getId(), parent.getId())
821+
.contentType(MediaType.APPLICATION_JSON)
822+
.content(objectMapper.writeValueAsString(request)))
823+
.andDo(print())
824+
.andExpect(status().isUnauthorized())
825+
.andExpect(jsonPath("$.code").value("AUTH_001"))
826+
.andExpect(jsonPath("$.message").value("인증이 필요합니다."));
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}
584828
}

‎src/test/java/com/back/domain/board/service/CommentServiceTest.java‎

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Original file line numberDiff line numberDiff line change
@@ -3,6 +3,7 @@
33
import com.back.domain.board.comment.dto.CommentListResponse;
44
import com.back.domain.board.comment.dto.CommentRequest;
55
import com.back.domain.board.comment.dto.CommentResponse;
6+
import com.back.domain.board.comment.dto.ReplyResponse;
67
import com.back.domain.board.comment.service.CommentService;
78
import com.back.domain.board.common.dto.PageResponse;
89
import com.back.domain.board.comment.entity.Comment;
@@ -25,6 +26,8 @@
2526
import org.springframework.test.context.ActiveProfiles;
2627
import org.springframework.transaction.annotation.Transactional;
2728

29+
import java.util.List;
30+
2831
import static org.assertj.core.api.Assertions.*;
2932

3033
@SpringBootTest
@@ -344,4 +347,102 @@ void deleteComment_fail_noPermission() {
344347
).isInstanceOf(CustomException.class)
345348
.hasMessage(ErrorCode.COMMENT_NO_PERMISSION.getMessage());
346349
}
350+
351+
// ====================== 대댓글 생성 테스트 ======================
352+
353+
@Test
354+
@DisplayName("대댓글 생성 성공")
355+
void createReply_success() {
356+
// given: 유저 + 게시글 + 부모 댓글 저장
357+
User user = User.createUser("writer", "[email protected]", "encodedPwd");
358+
user.setUserProfile(new UserProfile(user, "작성자", null, null, null, 0));
359+
user.setUserStatus(UserStatus.ACTIVE);
360+
userRepository.save(user);
361+
362+
Post post = new Post(user, "제목", "내용");
363+
postRepository.save(post);
364+
365+
Comment parent = new Comment(post, user, "부모 댓글", null);
366+
commentRepository.save(parent);
367+
368+
CommentRequest request = new CommentRequest("대댓글 내용");
369+
370+
// when
371+
ReplyResponse response = commentService.createReply(post.getId(), parent.getId(), request, user.getId());
372+
373+
// then
374+
assertThat(response.content()).isEqualTo("대댓글 내용");
375+
assertThat(response.author().nickname()).isEqualTo("작성자");
376+
assertThat(response.parentId()).isEqualTo(parent.getId());
377+
assertThat(response.postId()).isEqualTo(post.getId());
378+
}
379+
380+
@Test
381+
@DisplayName("대댓글 생성 실패 - 부모 댓글이 다른 게시글에 속함")
382+
void createReply_fail_parentMismatch() {
383+
// given
384+
User user = User.createUser("writer", "[email protected]", "encodedPwd");
385+
user.setUserProfile(new UserProfile(user, "작성자", null, null, null, 0));
386+
user.setUserStatus(UserStatus.ACTIVE);
387+
userRepository.save(user);
388+
389+
Post post1 = new Post(user, "게시글1", "내용1");
390+
Post post2 = new Post(user, "게시글2", "내용2");
391+
postRepository.saveAll(List.of(post1, post2));
392+
393+
Comment parent = new Comment(post1, user, "부모 댓글", null);
394+
commentRepository.save(parent);
395+
396+
CommentRequest request = new CommentRequest("대댓글 내용");
397+
398+
// when & then
399+
assertThatThrownBy(() -> commentService.createReply(post2.getId(), parent.getId(), request, user.getId()))
400+
.isInstanceOf(CustomException.class)
401+
.hasMessage(ErrorCode.COMMENT_PARENT_MISMATCH.getMessage());
402+
}
403+
404+
@Test
405+
@DisplayName("대댓글 생성 실패 - 부모 댓글이 이미 대댓글(depth 초과)")
406+
void createReply_fail_depthExceeded() {
407+
// given
408+
User user = User.createUser("writer", "[email protected]", "encodedPwd");
409+
user.setUserProfile(new UserProfile(user, "작성자", null, null, null, 0));
410+
user.setUserStatus(UserStatus.ACTIVE);
411+
userRepository.save(user);
412+
413+
Post post = new Post(user, "제목", "내용");
414+
postRepository.save(post);
415+
416+
// 부모 댓글 + 그 부모의 대댓글까지 생성
417+
Comment parent = new Comment(post, user, "부모 댓글", null);
418+
Comment child = new Comment(post, user, "대댓글1", parent);
419+
commentRepository.saveAll(List.of(parent, child));
420+
421+
CommentRequest request = new CommentRequest("대댓글2 내용");
422+
423+
// when & then
424+
assertThatThrownBy(() -> commentService.createReply(post.getId(), child.getId(), request, user.getId()))
425+
.isInstanceOf(CustomException.class)
426+
.hasMessage(ErrorCode.COMMENT_DEPTH_EXCEEDED.getMessage());
427+
}
428+
429+
@Test
430+
@DisplayName("대댓글 생성 실패 - 존재하지 않는 부모 댓글")
431+
void createReply_fail_commentNotFound() {
432+
// given
433+
User user = User.createUser("writer", "[email protected]", "encodedPwd");
434+
user.setUserProfile(new UserProfile(user, "작성자", null, null, null, 0));
435+
user.setUserStatus(UserStatus.ACTIVE);
436+
userRepository.save(user);
437+
438+
Post post = new Post(user, "제목", "내용");
439+
postRepository.save(post);
440+
441+
CommentRequest request = new CommentRequest("대댓글 내용");
442+
443+
// when & then
444+
assertThatThrownBy(() -> commentService.createReply(post.getId(), 999L, request, user.getId()))
445+
.isInstanceOf(CustomException.class)
446+
.hasMessage(ErrorCode.COMMENT_NOT_FOUND.getMessage());
447+
}
347448
}

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