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[test] PostControllerTest 구현#165 #167

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267 changes: 267 additions & 0 deletions src/test/java/com/back/domain/post/post/controller/PostControllerTest.java
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package com.back.domain.post.post.controller;

import static org.hamcrest.Matchers.hasSize;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.BDDMockito.given;
import static org.mockito.BDDMockito.willDoNothing;
import static org.mockito.Mockito.verify;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.delete;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.patch;
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;

import com.back.domain.post.post.dto.request.PostCreateRequestDto;
import com.back.domain.post.post.dto.request.PostUpdateRequestDto;
import com.back.domain.post.post.dto.response.PostResponseDto;
import com.back.domain.post.post.enums.PostStatus;
import com.back.domain.post.post.service.PostService;
import com.back.global.jwt.JwtUtil;
import com.back.global.rq.Rq;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
import org.springframework.http.MediaType;
import org.springframework.test.context.bean.override.mockito.MockitoBean;
import org.springframework.test.web.servlet.MockMvc;

@WebMvcTest(PostController.class)
@AutoConfigureMockMvc(addFilters = false)
class PostControllerTest {

@Autowired
private MockMvc mockMvc;
@Autowired
private ObjectMapper objectMapper;
@MockitoBean
private PostService postService;
@MockitoBean
private JwtUtil jwtUtil;
@MockitoBean
private Rq rq;

private PostResponseDto createSampleResponseDto(Long id) {
return new PostResponseDto(
id,
"자유게시판",
"테스트유저" + id,
LocalDateTime.now(),
LocalDateTime.now(),
PostStatus.PUBLIC,
"테스트 제목" + id,
"테스트 내용" + id,
"http://example.com/image.jpg",
"http://example.com/video.mp4",
List.of("태그1", "태그2"),
0, // likeCount
0, // commentCount
0 // viewCount
);
}

@Test
@DisplayName("게시글 작성 API 테스트")
void createPost() throws Exception {
// given
PostCreateRequestDto requestDto = new PostCreateRequestDto(
1L,
PostStatus.PUBLIC,
"테스트 제목1",
"테스트 내용1",
"http://example.com/image1.jpg",
"http://example.com/video1.mp4",
List.of("태그1", "태그2")
);
PostResponseDto responseDto = createSampleResponseDto(1L);
given(postService.createPost(any(PostCreateRequestDto.class))).willReturn(responseDto);

// when & then
mockMvc.perform(post("/posts")
.contentType(MediaType.APPLICATION_JSON)
.content(objectMapper.writeValueAsString(requestDto)))
.andExpect(status().isOk())
.andExpect(jsonPath("$.data.postId").value(1L))
.andExpect(jsonPath("$.data.categoryName").value("자유게시판"))
.andExpect(jsonPath("$.data.userNickName").value("테스트유저1"))
.andExpect(jsonPath("$.data.title").value("테스트 제목1"))
.andExpect(jsonPath("$.data.content").value("테스트 내용1"))
.andExpect(jsonPath("$.data.imageUrl").value("http://example.com/image.jpg"))
.andExpect(jsonPath("$.data.videoUrl").value("http://example.com/video.mp4"))
.andExpect(jsonPath("$.data.tags[0]").value("태그1"))
.andExpect(jsonPath("$.data.tags[1]").value("태그2"))
.andExpect(jsonPath("$.data.likeCount").value(0))
.andExpect(jsonPath("$.data.commentCount").value(0))
.andExpect(jsonPath("$.data.viewCount").value(0))
.andDo(print());
}

@Test
@DisplayName("게시글 다건 조회 API 테스트")
void getAllPosts() throws Exception {
// given
List<PostResponseDto> firstPage = new ArrayList<>();
for (long i = 30; i >= 21; i--) {
firstPage.add(createSampleResponseDto(i));
}

List<PostResponseDto> secondPage = new ArrayList<>();
for (long i = 20; i >= 11; i--) {
secondPage.add(createSampleResponseDto(i));
}

given(postService.getAllPosts(null)).willReturn(firstPage); // 첫 호출(lastId 없음)
given(postService.getAllPosts(21L)).willReturn(secondPage);

// when & then
mockMvc.perform(get("/posts"))
.andExpect(status().isOk())
.andExpect(jsonPath("$.data", hasSize(10)))
.andExpect(jsonPath("$.data[0].postId").value(30))
.andExpect(jsonPath("$.data[0].categoryName").value("자유게시판"))
.andExpect(jsonPath("$.data[0].userNickName").value("테스트유저30"))
.andExpect(jsonPath("$.data[0].title").value("테스트 제목30"))
.andExpect(jsonPath("$.data[0].content").value("테스트 내용30"))
.andExpect(jsonPath("$.data[0].imageUrl").value("http://example.com/image.jpg"))
.andExpect(jsonPath("$.data[0].videoUrl").value("http://example.com/video.mp4"))
.andExpect(jsonPath("$.data[0].tags[0]").value("태그1"))
.andExpect(jsonPath("$.data[0].tags[1]").value("태그2"))
.andExpect(jsonPath("$.data[0].likeCount").value(0))
.andExpect(jsonPath("$.data[0].commentCount").value(0))
.andExpect(jsonPath("$.data[0].viewCount").value(0))
.andDo(print());

mockMvc.perform(get("/posts?lastId=21"))
.andExpect(status().isOk())
.andExpect(jsonPath("$.data", hasSize(10)))
.andExpect(jsonPath("$.data[0].postId").value(20))
.andExpect(jsonPath("$.data[0].categoryName").value("자유게시판"))
.andExpect(jsonPath("$.data[0].userNickName").value("테스트유저20"))
.andExpect(jsonPath("$.data[0].title").value("테스트 제목20"))
.andExpect(jsonPath("$.data[0].content").value("테스트 내용20"))
.andExpect(jsonPath("$.data[0].imageUrl").value("http://example.com/image.jpg"))
.andExpect(jsonPath("$.data[0].videoUrl").value("http://example.com/video.mp4"))
.andExpect(jsonPath("$.data[0].tags[0]").value("태그1"))
.andExpect(jsonPath("$.data[0].tags[1]").value("태그2"))
.andExpect(jsonPath("$.data[0].likeCount").value(0))
.andExpect(jsonPath("$.data[0].commentCount").value(0))
.andExpect(jsonPath("$.data[0].viewCount").value(0))
.andDo(print());
}

@Test
@DisplayName("게시글 단건 조회 API 테스트")
void getPost() throws Exception {
// given
Long postId = 1L;
PostResponseDto responseDto = createSampleResponseDto(postId);
given(postService.getPost(postId)).willReturn(responseDto);

// when & then
mockMvc.perform(get("/posts/{postId}", postId))
.andExpect(status().isOk())
.andExpect(jsonPath("$.data.postId").value(postId))
.andExpect(jsonPath("$.data.categoryName").value("자유게시판"))
.andExpect(jsonPath("$.data.userNickName").value("테스트유저" + postId))
.andExpect(jsonPath("$.data.title").value("테스트 제목" + postId))
.andExpect(jsonPath("$.data.content").value("테스트 내용" + postId))
.andExpect(jsonPath("$.data.imageUrl").value("http://example.com/image.jpg"))
.andExpect(jsonPath("$.data.videoUrl").value("http://example.com/video.mp4"))
.andExpect(jsonPath("$.data.tags[0]").value("태그1"))
.andExpect(jsonPath("$.data.tags[1]").value("태그2"))
.andExpect(jsonPath("$.data.likeCount").value(0))
.andExpect(jsonPath("$.data.commentCount").value(0))
.andExpect(jsonPath("$.data.viewCount").value(0))
.andDo(print());
}

@Test
@DisplayName("게시글 수정 API 테스트")
void updatePost() throws Exception {
// given
Long postId = 1L;
PostUpdateRequestDto requestDto = new PostUpdateRequestDto(
postId,
PostStatus.PUBLIC,
"수정된 제목" + postId,
"수정된 내용" + postId,
"http://example.com/image.jpg",
"http://example.com/video.mp4",
List.of("태그1", "태그2")
);
PostResponseDto responseDto = new PostResponseDto(
postId,
"자유게시판",
"테스트유저" + postId,
LocalDateTime.now(),
LocalDateTime.now(),
PostStatus.PUBLIC,
requestDto.title(),
requestDto.content(),
"http://example.com/image.jpg",
"http://example.com/video.mp4",
List.of("태그1", "태그2"),
0, // likeCount
0, // commentCount
0 // viewCount
);
given(postService.updatePost(eq(1L), any(PostUpdateRequestDto.class))).willReturn(responseDto);

// when & then
mockMvc.perform(patch("/posts/{postId}", postId)
.contentType(MediaType.APPLICATION_JSON)
.content(objectMapper.writeValueAsString(requestDto)))
.andExpect(status().isOk())
.andExpect(jsonPath("$.data.title").value("수정된 제목" + postId))
.andExpect(jsonPath("$.data.content").value("수정된 내용" + postId))
.andExpect(jsonPath("$.data.imageUrl").value("http://example.com/image.jpg"))
.andExpect(jsonPath("$.data.videoUrl").value("http://example.com/video.mp4"))
.andExpect(jsonPath("$.data.tags[0]").value("태그1"))
.andExpect(jsonPath("$.data.tags[1]").value("태그2"))
.andDo(print());
}

@Test
@DisplayName("게시글 삭제 API 테스트")
void deletePost() throws Exception {
// given
Long postId = 1L;
// postService.deletePost(postId)가 호출될 때, 아무런 동작도 하지 않도록 설정 (void 메소드 Mocking)
willDoNothing().given(postService).deletePost(postId);

// when & then
mockMvc.perform(delete("/posts/{postId}", postId))
.andExpect(status().isOk())
.andExpect(jsonPath("$.message").value("success"))
.andExpect(jsonPath("$.data").isEmpty())
.andDo(print());

// 추가 검증: postService의 deletePost 메소드가 정확히 postId=1L 인자로 1번 호출되었는지 확인
verify(postService).deletePost(postId);
}

@Test
@DisplayName("게시글 추천(좋아요) 토글 API 테스트")
void toggleLike() throws Exception {
// given
Long postId = 1L;
willDoNothing().given(postService).toggleLike(postId);

// when & then
mockMvc.perform(post("/posts/{postId}/like", postId))
.andExpect(status().isOk())
.andExpect(jsonPath("$.message").value("success"))
.andExpect(jsonPath("$.data").isEmpty())
.andDo(print());

verify(postService).toggleLike(postId);
}
}