Merge pull request #14 from Princess-in-silvertown/feat/8

Feat: 유저 조회 기능 및 테스트 구현

src/main/java/slvtwn/khu/toyouserver/Member.java

@@ -9,6 +9,7 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import slvtwn.khu.toyouserver.user.domain.User;
 
 @Entity
 @NoArgsConstructor(access = AccessLevel.PROTECTED)

src/main/java/slvtwn/khu/toyouserver/common/ToyouResponse.java

@@ -0,0 +1,9 @@
+package slvtwn.khu.toyouserver.common;
+
+// TODO: 효율적인 예외처리 Wrapping 과정에 대해 고민
+public record ToyouResponse<T>(String code, T data) {
+
+    public static <T> ToyouResponse<T> success(T data) {
+        return new ToyouResponse<>("SUCCESS", data);
+    }
+}

src/main/java/slvtwn/khu/toyouserver/user/controller/UserController.java

@@ -0,0 +1,25 @@
+package slvtwn.khu.toyouserver.user.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+import slvtwn.khu.toyouserver.common.ToyouResponse;
+import slvtwn.khu.toyouserver.user.dto.UserResponse;
+import slvtwn.khu.toyouserver.user.service.UserService;
+
+@RequiredArgsConstructor
+@RestController
+public class UserController {
+
+    private final UserService userService;
+
+    @GetMapping("/users/{userId}")
+    public ToyouResponse<UserResponse> findUser(@PathVariable Long userId) {
+        UserResponse userResponse = userService.findUser(userId);
+
+        return ToyouResponse.success(userResponse);
+    }
+}

src/main/java/slvtwn/khu/toyouserver/User.java → src/main/java/slvtwn/khu/toyouserver/user/domain/User.java

@@ -1,4 +1,4 @@
-package slvtwn.khu.toyouserver;
+package slvtwn.khu.toyouserver.user.domain;
 
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
@@ -8,6 +8,7 @@
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import slvtwn.khu.toyouserver.BaseTimeEntity;
 
 @Entity
 @Table(name = "users")

src/main/java/slvtwn/khu/toyouserver/user/dto/UserResponse.java

@@ -0,0 +1,5 @@
+package slvtwn.khu.toyouserver.user.dto;
+
+public record UserResponse(Long id, String name, String imageUrl) {
+
+}

src/main/java/slvtwn/khu/toyouserver/user/exception/UserNotFoundException.java

@@ -0,0 +1,5 @@
+package slvtwn.khu.toyouserver.user.exception;
+
+public class UserNotFoundException extends RuntimeException {
+
+}

src/main/java/slvtwn/khu/toyouserver/user/repository/UserRepository.java

@@ -0,0 +1,8 @@
+package slvtwn.khu.toyouserver.user.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import slvtwn.khu.toyouserver.user.domain.User;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+
+}

src/main/java/slvtwn/khu/toyouserver/user/service/UserService.java

@@ -0,0 +1,24 @@
+package slvtwn.khu.toyouserver.user.service;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import slvtwn.khu.toyouserver.user.domain.User;
+import slvtwn.khu.toyouserver.user.dto.UserResponse;
+import slvtwn.khu.toyouserver.user.exception.UserNotFoundException;
+import slvtwn.khu.toyouserver.user.repository.UserRepository;
+
+@RequiredArgsConstructor
+@Service
+@Transactional(readOnly = true)
+public class UserService {
+
+    private final UserRepository userRepository;
+
+    public UserResponse findUser(Long userId) {
+        User user = userRepository.findById(userId)
+                .orElseThrow(UserNotFoundException::new);
+
+        return new UserResponse(user.getId(), user.getName(), user.getProfilePicture());
+    }
+}

src/main/resources/application.yml

@@ -1,9 +1,13 @@
 spring:
   jpa:
-
     properties:
       hibernate:
         format_sql: true
-
     show-sql: true
 
+  datasource:
+    url: jdbc:h2:mem:testdb
+    driver-class-name: org.h2.Driver
+    username: sa
+    password: 1234
+

src/test/java/slvtwn/khu/toyouserver/user/service/UserServiceTest.java

@@ -0,0 +1,44 @@
+package slvtwn.khu.toyouserver.user.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.assertj.core.api.Assertions;
+import org.assertj.core.api.SoftAssertions;
+import org.junit.jupiter.api.DisplayNameGeneration;
+import org.junit.jupiter.api.DisplayNameGenerator;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.transaction.annotation.Transactional;
+import slvtwn.khu.toyouserver.user.domain.User;
+import slvtwn.khu.toyouserver.user.dto.UserResponse;
+import slvtwn.khu.toyouserver.user.repository.UserRepository;
+
+@SuppressWarnings("NonAsciiCharacters")
+@DisplayNameGeneration(DisplayNameGenerator.ReplaceUnderscores.class)
+@SpringBootTest
+@Transactional
+class UserServiceTest {
+
+    @Autowired
+    private UserRepository userRepository;
+    @Autowired
+    private UserService userService;
+
+    @Test
+    void 유저를_조회할_수_있다() {
+        // given
+        User user = new User("teo", "www.profile-picture.com");
+        userRepository.save(user);
+
+        // when
+        UserResponse found = userService.findUser(user.getId());
+
+        // then
+        SoftAssertions.assertSoftly(softly -> {
+            softly.assertThat(user.getId()).isEqualTo(found.id());
+            softly.assertThat(user.getName()).isEqualTo(found.name());
+            softly.assertThat(user.getProfilePicture()).isEqualTo(found.imageUrl());
+        });
+    }
+}