[12기 황경훈] 5주차 과제 - Spring 테스트 작성하기

build.gradle

@@ -14,6 +14,9 @@ repositories {
 
 dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
+	compileOnly 'org.projectlombok:lombok:1.18.32'
+	annotationProcessor 'org.projectlombok:lombok:1.18.32'
+
 	developmentOnly 'org.springframework.boot:spring-boot-devtools'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }

src/main/java/kr/megaptera/assignment/AssignmentApplication.java

@@ -2,12 +2,26 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 @SpringBootApplication
 public class AssignmentApplication {
 
 	public static void main(String[] args) {
 		SpringApplication.run(AssignmentApplication.class, args);
 	}
-
+	@Bean
+	public WebMvcConfigurer webMvcConfigurer() {
+		return new WebMvcConfigurer() {
+			@Override
+			public void addCorsMappings(CorsRegistry registry) {
+				registry
+						.addMapping("/**")
+						.allowedMethods("GET", "POST", "PATCH", "DELETE", "OPTIONS")
+						.allowedOrigins("*");
+			}
+		};
+	}
 }

src/main/java/kr/megaptera/assignment/application/CreateCommentService.java

@@ -1,4 +1,18 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.CommentCreateRequestDto;
+import kr.megaptera.assignment.dtos.CommentResponseDto;
+import kr.megaptera.assignment.repository.CommentRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
 public class CreateCommentService {
+  private final CommentRepository commentRepository;
+
+  public CommentResponseDto createComment(CommentCreateRequestDto request){
+    return CommentResponseDto.of(commentRepository.save(request.toEntity()));
+  }
 }
+

src/main/java/kr/megaptera/assignment/application/CreatePostService.java

@@ -1,4 +1,17 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.PostCreateRequestDto;
+import kr.megaptera.assignment.dtos.PostResponseDto;
+import kr.megaptera.assignment.repository.PostRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
 public class CreatePostService {
+  private final PostRepository postRepository;
+  public PostResponseDto createPost(PostCreateRequestDto request) {
+    var post = postRepository.save(request.toEntity());
+      return PostResponseDto.of(post);
+  }
 }

src/main/java/kr/megaptera/assignment/application/DeleteCommentService.java

@@ -1,4 +1,15 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.CommentResponseDto;
+import kr.megaptera.assignment.repository.CommentRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
 public class DeleteCommentService {
+  private final CommentRepository commentRepository;
+  public CommentResponseDto deleteComment(String commentId) {
+    return CommentResponseDto.of(commentRepository.delete(commentId));
+  }
 }

src/main/java/kr/megaptera/assignment/application/DeletePostService.java

@@ -1,4 +1,15 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.PostResponseDto;
+import kr.megaptera.assignment.repository.PostRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
 public class DeletePostService {
+  private final PostRepository postRepository;
+  public PostResponseDto deletePost(String id) {
+     return PostResponseDto.of(postRepository.delete(id));
+  }
 }

src/main/java/kr/megaptera/assignment/application/GetCommentsService.java

@@ -1,4 +1,20 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.CommentResponseDto;
+import kr.megaptera.assignment.repository.CommentRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
 public class GetCommentsService {
+  private final CommentRepository commentRepository;
+
+  public List<CommentResponseDto> getCommentList(String postId) {
+      return commentRepository.findAll(postId).stream().map(CommentResponseDto::of).toList();
+  }
+
 }

src/main/java/kr/megaptera/assignment/application/GetPostService.java

@@ -1,4 +1,21 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.PostResponseDto;
+import kr.megaptera.assignment.repository.PostRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
 public class GetPostService {
+  private final PostRepository postRepository;
+  public List<PostResponseDto> getList() {
+    return postRepository.findAll().stream().map(PostResponseDto::of).toList();
+  }
+
+  public PostResponseDto detail(String id) {
+    return PostResponseDto.of(postRepository.findPostById(id));
+  }
 }

src/main/java/kr/megaptera/assignment/application/UpdateCommentService.java

@@ -1,4 +1,22 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.CommentResponseDto;
+import kr.megaptera.assignment.dtos.CommentUpdateRequestDto;
+import kr.megaptera.assignment.dtos.RequestUpdate;
+import kr.megaptera.assignment.models.Comment;
+import kr.megaptera.assignment.models.Post;
+import kr.megaptera.assignment.repository.CommentRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
 public class UpdateCommentService {
+  private final CommentRepository commentRepository;
+
+  public CommentResponseDto update(String commentId, RequestUpdate<Comment> request) {
+    var comment = commentRepository.find(commentId);
+    request.update(comment);
+    return CommentResponseDto.of(commentRepository.save(comment));
+  }
 }

src/main/java/kr/megaptera/assignment/application/UpdatePostService.java

@@ -1,4 +1,22 @@
 package kr.megaptera.assignment.application;
 
+import kr.megaptera.assignment.dtos.PostResponseDto;
+import kr.megaptera.assignment.dtos.RequestUpdate;
+import kr.megaptera.assignment.models.Post;
+import kr.megaptera.assignment.repository.PostRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
 public class UpdatePostService {
+  private final PostRepository postRepository;
+
+  public PostResponseDto updatePost(String id,RequestUpdate<Post> request){
+    var post = postRepository.findPostById(id);
+    request.update(post);
+    return PostResponseDto.of(postRepository.save(post));
+  }
+
 }

src/main/java/kr/megaptera/assignment/controllers/CommentController.java

@@ -1,4 +1,57 @@
 package kr.megaptera.assignment.controllers;
 
+import kr.megaptera.assignment.application.CreateCommentService;
+import kr.megaptera.assignment.application.DeleteCommentService;
+import kr.megaptera.assignment.application.GetCommentsService;
+import kr.megaptera.assignment.application.UpdateCommentService;
+import kr.megaptera.assignment.dtos.CommentCreateRequestDto;
+import kr.megaptera.assignment.dtos.CommentResponseDto;
+import kr.megaptera.assignment.dtos.CommentUpdateRequestDto;
+import kr.megaptera.assignment.exceptions.CommentNotFound;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/comments")
+@RequiredArgsConstructor
 public class CommentController {
+  private final GetCommentsService getCommentsService;
+  private final CreateCommentService createCommentService;
+  private final UpdateCommentService updateCommentService;
+  private final DeleteCommentService deleteCommentService;
+  @GetMapping
+  public List<CommentResponseDto> detail(@RequestParam String postId) {
+    return getCommentsService.getCommentList(postId);
+  }
+
+  @PostMapping
+  @ResponseStatus(HttpStatus.CREATED)
+  public CommentResponseDto create(@RequestParam String postId,
+      @RequestBody CommentCreateRequestDto request) {
+    request.setPostId(postId);
+    return createCommentService.createComment(request);
+
+  }
+
+  @PatchMapping("/{id}")
+  public CommentResponseDto update(@PathVariable String id,
+      @RequestBody CommentUpdateRequestDto commentUpdateDto) {
+    return updateCommentService.update(id, commentUpdateDto);
+
+  }
+
+  @DeleteMapping("/{id}")
+  public CommentResponseDto delete(@PathVariable String id) {
+    return deleteCommentService.deleteComment(id);
+  }
+
+
+  @ExceptionHandler(CommentNotFound.class)
+  @ResponseStatus(HttpStatus.NOT_FOUND)
+  public String postNotFound() {
+    return "댓글을 찾을 수 없습니다.";
+  }
 }

src/main/java/kr/megaptera/assignment/controllers/PostController.java

@@ -1,4 +1,56 @@
 package kr.megaptera.assignment.controllers;
 
+import kr.megaptera.assignment.application.CreatePostService;
+import kr.megaptera.assignment.application.DeletePostService;
+import kr.megaptera.assignment.application.GetPostService;
+import kr.megaptera.assignment.application.UpdatePostService;
+import kr.megaptera.assignment.dtos.PostCreateRequestDto;
+import kr.megaptera.assignment.dtos.PostResponseDto;
+import kr.megaptera.assignment.dtos.PostUpdateRequestDto;
+import kr.megaptera.assignment.exceptions.PostNotFound;
+import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/posts")
+@RequiredArgsConstructor
 public class PostController {
+  private final UpdatePostService updatePostService;
+  private final GetPostService getPostService;
+  private final CreatePostService createPostService;
+  private final DeletePostService deletePostService;
+  @GetMapping
+  public List<PostResponseDto> getList(){
+    return getPostService.getList();
+  }
+
+  @GetMapping("/{id}")
+  public PostResponseDto detail(@PathVariable("id")String id){
+    return getPostService.detail(id);
+  }
+  @PostMapping
+  @ResponseStatus(HttpStatus.CREATED)
+  public PostResponseDto create(@RequestBody PostCreateRequestDto request){
+    return createPostService.createPost(request);
+  }
+
+  @PatchMapping("/{id}")
+  public PostResponseDto updatePost(@PathVariable("id") String id,@RequestBody PostUpdateRequestDto request){
+    return updatePostService.updatePost(id,request);
+  }
+  @DeleteMapping("/{id}")
+  public PostResponseDto deletePost(@PathVariable("id")String id){
+    return deletePostService.deletePost(id);
+  }
+
+  @ExceptionHandler(PostNotFound.class)
+  @ResponseStatus(HttpStatus.NOT_FOUND)
+  public String postNotFound() {
+    return "게시물을 찾을 수 없습니다";
+  }
+
 }

src/main/java/kr/megaptera/assignment/dtos/CommentCreateRequestDto.java

@@ -0,0 +1,21 @@
+package kr.megaptera.assignment.dtos;
+
+import kr.megaptera.assignment.models.Comment;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class CommentCreateRequestDto {
+  private String postId;
+  private String author;
+  private String content;
+
+  public Comment toEntity(){
+    return new Comment(null,postId,author,content);
+  }
+
+  public void setPostId(String postId) {
+    this.postId = postId;
+  }
+}

src/main/java/kr/megaptera/assignment/dtos/CommentResponseDto.java

@@ -0,0 +1,18 @@
+package kr.megaptera.assignment.dtos;
+
+import kr.megaptera.assignment.models.Comment;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class CommentResponseDto {
+  private String id;
+  private String author;
+  private String content;
+
+  public static CommentResponseDto of(Comment comment){
+    return new CommentResponseDto(comment.getId(),comment.getAuthor(),comment.getContent());
+  }
+
+}

src/main/java/kr/megaptera/assignment/dtos/CommentUpdateRequestDto.java

@@ -0,0 +1,16 @@
+package kr.megaptera.assignment.dtos;
+
+import kr.megaptera.assignment.models.Comment;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class CommentUpdateRequestDto implements RequestUpdate<Comment> {
+  private String content;
+
+  @Override
+  public void update(Comment entity) {
+      entity.update(content);
+  }
+}

src/main/java/kr/megaptera/assignment/dtos/PostCreateRequestDto.java

@@ -0,0 +1,17 @@
+package kr.megaptera.assignment.dtos;
+
+import kr.megaptera.assignment.models.Post;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class PostCreateRequestDto {
+  private String title;
+  private String content;
+  private String author;
+
+  public Post toEntity(){
+    return new Post(null,title,content,author);
+  }
+}