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Test: 테스트 작성
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‎src/main/java/com/back/domain/board/post/controller/PostLikeController.java‎

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@@ -16,7 +16,7 @@ public class PostLikeController {
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private final PostLikeService postLikeService;
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// 게시글 좋아요
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@GetMapping
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@PostMapping
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public ResponseEntity<RsData<PostLikeResponse>> likePost(
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@PathVariable Long postId,
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@AuthenticationPrincipal CustomUserDetails user

‎src/test/java/com/back/domain/board/controller/PostLikeControllerTest.java‎

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package com.back.domain.board.controller;
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import com.back.domain.board.post.entity.Post;
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import com.back.domain.board.post.repository.PostRepository;
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import com.back.domain.user.entity.User;
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import com.back.domain.user.entity.UserProfile;
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import com.back.domain.user.entity.UserStatus;
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import com.back.domain.user.repository.UserRepository;
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import com.back.fixture.TestJwtTokenProvider;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.junit.jupiter.api.DisplayName;
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import org.junit.jupiter.api.Test;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.http.MediaType;
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import org.springframework.security.crypto.password.PasswordEncoder;
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import org.springframework.test.context.ActiveProfiles;
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import org.springframework.test.web.servlet.MockMvc;
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import org.springframework.transaction.annotation.Transactional;
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import java.time.LocalDate;
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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.MockMvcResultMatchers.*;
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import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
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@SpringBootTest
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@AutoConfigureMockMvc
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@ActiveProfiles("test")
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@Transactional
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class PostLikeControllerTest {
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@Autowired
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private MockMvc mvc;
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@Autowired
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private UserRepository userRepository;
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@Autowired
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private PostRepository postRepository;
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@Autowired
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private PasswordEncoder passwordEncoder;
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@Autowired
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private TestJwtTokenProvider testJwtTokenProvider;
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@Autowired
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private ObjectMapper objectMapper;
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private String generateAccessToken(User user) {
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return testJwtTokenProvider.createAccessToken(user.getId(), user.getUsername(), user.getRole().name());
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}
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// ====================== 게시글 좋아요 등록 ======================
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@Test
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@DisplayName("게시글 좋아요 등록 성공 → 200 OK")
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void likePost_success() throws Exception {
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// given
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User user = User.createUser("likeUser", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "홍길동", null, "소개글", LocalDate.of(2000, 1, 1), 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, "좋아요 테스트", "내용입니다");
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postRepository.save(post);
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String accessToken = generateAccessToken(user);
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// when
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mvc.perform(post("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + accessToken)
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.contentType(MediaType.APPLICATION_JSON))
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.andDo(print())
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// then
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.andExpect(status().isOk())
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.andExpect(jsonPath("$.success").value(true))
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.andExpect(jsonPath("$.code").value("SUCCESS_200"))
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.andExpect(jsonPath("$.message").value("게시글 좋아요가 등록되었습니다."))
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.andExpect(jsonPath("$.data.postId").value(post.getId()))
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.andExpect(jsonPath("$.data.likeCount").value(1));
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}
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@Test
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@DisplayName("게시글 좋아요 실패 - 존재하지 않는 사용자 → 404 Not Found")
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void likePost_userNotFound() throws Exception {
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// given
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String fakeToken = testJwtTokenProvider.createAccessToken(999L, "ghost", "USER");
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// 실제 게시글은 존재
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User writer = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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writer.setUserProfile(new UserProfile(writer, "작성자", null, null, null, 0));
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writer.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(writer);
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Post post = new Post(writer, "게시글", "내용");
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postRepository.save(post);
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// when & then
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mvc.perform(post("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + fakeToken)
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.contentType(MediaType.APPLICATION_JSON))
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.andDo(print())
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.andExpect(status().isNotFound())
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.andExpect(jsonPath("$.code").value("USER_001"))
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.andExpect(jsonPath("$.message").value("존재하지 않는 사용자입니다."));
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}
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@Test
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@DisplayName("게시글 좋아요 실패 - 존재하지 않는 게시글 → 404 Not Found")
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void likePost_postNotFound() throws Exception {
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// given
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User user = User.createUser("likeUser2", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "작성자", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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String accessToken = generateAccessToken(user);
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// when & then
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mvc.perform(post("/api/posts/{postId}/like", 999L)
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.header("Authorization", "Bearer " + accessToken)
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.contentType(MediaType.APPLICATION_JSON))
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.andDo(print())
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.andExpect(status().isNotFound())
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.andExpect(jsonPath("$.code").value("POST_001"))
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.andExpect(jsonPath("$.message").value("존재하지 않는 게시글입니다."));
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}
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@Test
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@DisplayName("게시글 좋아요 실패 - 이미 좋아요 누름 → 409 Conflict")
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void likePost_alreadyLiked() throws Exception {
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// given
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User user = User.createUser("likeUser3", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "홍길동", 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, "테스트 게시글", "내용");
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postRepository.save(post);
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String accessToken = generateAccessToken(user);
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// 먼저 좋아요 1회
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mvc.perform(post("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + accessToken))
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.andExpect(status().isOk());
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// 같은 요청 반복
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mvc.perform(post("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + accessToken))
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.andDo(print())
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.andExpect(status().isConflict())
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.andExpect(jsonPath("$.code").value("POST_005"))
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.andExpect(jsonPath("$.message").value("이미 좋아요한 게시글입니다."));
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}
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@Test
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@DisplayName("게시글 좋아요 실패 - 토큰 없음 → 401 Unauthorized")
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void likePost_noToken() throws Exception {
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// given
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User writer = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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writer.setUserProfile(new UserProfile(writer, "작성자", null, null, null, 0));
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writer.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(writer);
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Post post = new Post(writer, "테스트", "내용");
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postRepository.save(post);
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// when & then
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mvc.perform(post("/api/posts/{postId}/like", post.getId())
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.contentType(MediaType.APPLICATION_JSON))
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.andDo(print())
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.andExpect(status().isUnauthorized())
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.andExpect(jsonPath("$.code").value("AUTH_001"))
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.andExpect(jsonPath("$.message").value("인증이 필요합니다."));
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}
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// ====================== 게시글 좋아요 취소 ======================
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@Test
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@DisplayName("게시글 좋아요 취소 성공 → 200 OK")
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void cancelLikePost_success() throws Exception {
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// given
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User user = User.createUser("cancelUser", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "홍길동", 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, "좋아요 취소 테스트", "내용입니다");
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postRepository.save(post);
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String accessToken = generateAccessToken(user);
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// 먼저 좋아요 등록
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mvc.perform(post("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + accessToken))
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.andExpect(status().isOk());
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// when: 좋아요 취소
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mvc.perform(delete("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + accessToken))
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.andDo(print())
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// then
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.andExpect(status().isOk())
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.andExpect(jsonPath("$.success").value(true))
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.andExpect(jsonPath("$.code").value("SUCCESS_200"))
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.andExpect(jsonPath("$.message").value("게시글 좋아요가 취소되었습니다."))
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.andExpect(jsonPath("$.data.postId").value(post.getId()))
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.andExpect(jsonPath("$.data.likeCount").value(0));
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}
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@Test
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@DisplayName("게시글 좋아요 취소 실패 - 존재하지 않는 사용자 → 404 Not Found")
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void cancelLikePost_userNotFound() throws Exception {
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// given
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String fakeToken = testJwtTokenProvider.createAccessToken(999L, "ghost", "USER");
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// 실제 게시글 존재
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User writer = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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writer.setUserProfile(new UserProfile(writer, "작성자", null, null, null, 0));
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writer.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(writer);
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Post post = new Post(writer, "게시글", "내용");
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postRepository.save(post);
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// when & then
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mvc.perform(delete("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + fakeToken))
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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."));
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}
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@Test
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@DisplayName("게시글 좋아요 취소 실패 - 존재하지 않는 게시글 → 404 Not Found")
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void cancelLikePost_postNotFound() throws Exception {
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// given
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User user = User.createUser("cancelUser2", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "작성자", null, null, null, 0));
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user.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(user);
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String accessToken = generateAccessToken(user);
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// when & then
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mvc.perform(delete("/api/posts/{postId}/like", 999L)
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.header("Authorization", "Bearer " + accessToken))
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.andDo(print())
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.andExpect(status().isNotFound())
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.andExpect(jsonPath("$.code").value("POST_001"))
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.andExpect(jsonPath("$.message").value("존재하지 않는 게시글입니다."));
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}
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@Test
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@DisplayName("게시글 좋아요 취소 실패 - 좋아요 기록 없음 → 404 Not Found")
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void cancelLikePost_notFound() throws Exception {
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// given
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User user = User.createUser("cancelUser3", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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user.setUserProfile(new UserProfile(user, "작성자", 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, "테스트 게시글", "내용");
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postRepository.save(post);
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String accessToken = generateAccessToken(user);
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// when & then
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mvc.perform(delete("/api/posts/{postId}/like", post.getId())
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.header("Authorization", "Bearer " + accessToken))
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.andDo(print())
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.andExpect(status().isNotFound())
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.andExpect(jsonPath("$.code").value("POST_006"))
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.andExpect(jsonPath("$.message").value("해당 게시글에 대한 좋아요 기록이 없습니다."));
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}
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@Test
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@DisplayName("게시글 좋아요 취소 실패 - 토큰 없음 → 401 Unauthorized")
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void cancelLikePost_noToken() throws Exception {
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// given
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User writer = User.createUser("writer", "[email protected]", passwordEncoder.encode("P@ssw0rd!"));
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writer.setUserProfile(new UserProfile(writer, "작성자", null, null, null, 0));
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writer.setUserStatus(UserStatus.ACTIVE);
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userRepository.save(writer);
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Post post = new Post(writer, "테스트", "내용");
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postRepository.save(post);
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// when & then
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mvc.perform(delete("/api/posts/{postId}/like", post.getId())
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.contentType(MediaType.APPLICATION_JSON))
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.andDo(print())
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.andExpect(status().isUnauthorized())
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.andExpect(jsonPath("$.code").value("AUTH_001"))
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.andExpect(jsonPath("$.message").value("인증이 필요합니다."));
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}
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}

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