사용자 정보 수정 시 이름만 수정한다면 이미지는 null 전달되는 요청 처리

backend/ddang/src/main/java/com/ddang/ddang/user/application/UserService.java

@@ -30,9 +30,13 @@ public ReadUserDto readById(final Long userId) {
     public ReadUserDto updateById(final Long userId, final UpdateUserDto userDto) {
         final User user = userRepository.findByIdAndDeletedIsFalse(userId)
                                         .orElseThrow(() -> new UserNotFoundException("사용자 정보를 사용할 수 없습니다."));
-        final StoreImageDto storeImageDto = imageProcessor.storeImageFile(userDto.profileImage());
 
-        user.update(userDto.name(), storeImageDto.toProfileImageEntity());
+        if (userDto.profileImage() != null) {
+            final StoreImageDto storeImageDto = imageProcessor.storeImageFile(userDto.profileImage());
+            user.updateProfileImage(storeImageDto.toProfileImageEntity());
+        }
+        user.updateName(userDto.name());
+
 
         return ReadUserDto.from(user);
     }

backend/ddang/src/main/java/com/ddang/ddang/user/domain/User.java

@@ -62,8 +62,11 @@ private User(
         this.oauthId = oauthId;
     }
 
-    public void update(final String name, final ProfileImage profileProfileImage) {
+    public void updateName(final String name) {
         this.name = name;
+    }
+
+    public void updateProfileImage(final ProfileImage profileProfileImage) {
         this.profileImage = profileProfileImage;
     }
 

backend/ddang/src/test/java/com/ddang/ddang/user/application/UserServiceTest.java

@@ -107,6 +107,32 @@ class UserServiceTest {
         });
     }
 
+    @Test
+    void 사용자_정보를_수정시_이름만_수정한다() {
+        // given
+        final User user = User.builder()
+                              .name("사용자")
+                              .profileImage(new ProfileImage("upload.png", "store.png"))
+                              .reliability(4.7d)
+                              .oauthId("12345")
+                              .build();
+
+        userRepository.save(user);
+
+        final UpdateUserDto updateUserDto = new UpdateUserDto("updateName", null);
+
+        // when
+        userService.updateById(user.getId(), updateUserDto);
+
+        // then
+        SoftAssertions.assertSoftly(softAssertions -> {
+            softAssertions.assertThat(user.getName()).isEqualTo("updateName");
+            softAssertions.assertThat(user.getProfileImage().getImage().getStoreName()).isEqualTo("store.png");
+            softAssertions.assertThat(user.getReliability()).isEqualTo(4.7d);
+            softAssertions.assertThat(user.getOauthId()).isEqualTo("12345");
+        });
+    }
+
     @Test
     void 사용자_정보_수정시_존재하지_않는_사용자라면_예외가_발생한다() {
         // given

backend/ddang/src/test/java/com/ddang/ddang/user/domain/UserTest.java

@@ -13,7 +13,7 @@
 class UserTest {
 
     @Test
-    void 회원_정보를_수정한다() {
+    void 회원_정보의_이름을_수정한다() {
         // given
         final User user = User.builder()
                               .name("kakao12345")
@@ -22,12 +22,32 @@ class UserTest {
                               .build();
 
         // when
-        user.update("newName", new ProfileImage("newUpload.png", "newStore.png"));
+        user.updateName("newName");
 
         // then
         SoftAssertions.assertSoftly(softAssertions -> {
             softAssertions.assertThat(user.getName()).isEqualTo("newName");
-            softAssertions.assertThat(user.getProfileImage()).isEqualTo(new ProfileImage("newUpload.png", "newStore.png"));
+            softAssertions.assertThat(user.getProfileImage()).isEqualTo(new ProfileImage("upload.png", "store.png"));
+            softAssertions.assertThat(user.getReliability()).isEqualTo(5.0d);
+        });
+    }
+
+    @Test
+    void 회원_정보의_이미지를_수정한다() {
+        // given
+        final User user = User.builder()
+                              .name("kakao12345")
+                              .profileImage(new ProfileImage("upload.png", "store.png"))
+                              .reliability(5.0d)
+                              .build();
+
+        // when
+        user.updateProfileImage(new ProfileImage("updateUpload.png", "updateStore.png"));
+
+        // then
+        SoftAssertions.assertSoftly(softAssertions -> {
+            softAssertions.assertThat(user.getName()).isEqualTo("kakao12345");
+            softAssertions.assertThat(user.getProfileImage()).isEqualTo(new ProfileImage("updateUpload.png", "updateStore.png"));
             softAssertions.assertThat(user.getReliability()).isEqualTo(5.0d);
         });
     }