[test/#517] Notification 단위테스트 및 통합테스트 코드 작성

src/main/java/umc/cockple/demo/domain/notification/repository/NotificationRepository.java

@@ -10,8 +10,7 @@
 
 public interface NotificationRepository extends JpaRepository<Notification, Long> {
 
-    List<Notification> findAllByMember(Member member);
+    List<Notification> findAllByMemberOrderByCreatedAtDesc(Member member);
 
     Optional<Notification> findFirstByMemberAndTypeNotOrderByCreatedAtAsc(Member member, NotificationType type);
-
 }

src/main/java/umc/cockple/demo/domain/notification/service/NotificationCommandService.java

@@ -63,7 +63,7 @@ public void createNotification(CreateNotificationRequestDTO dto) {
         try {
 
             Member member = dto.member();
-            List<Notification> bookmarks = notificationRepository.findAllByMember(member);
+            List<Notification> bookmarks = notificationRepository.findAllByMemberOrderByCreatedAtDesc(member);
             if (bookmarks.size() >= 50) {
                 // INVITE타입이 아니면서 가장 오래된 거 삭제
                 notificationRepository.findFirstByMemberAndTypeNotOrderByCreatedAtAsc(member, NotificationType.INVITE)

src/main/java/umc/cockple/demo/domain/notification/service/NotificationQueryService.java

@@ -33,7 +33,7 @@ public List<AllNotificationsResponseDTO> getAllNotifications(Long memberId) {
         Member member = findByMemberId(memberId);
 
         // 회원의 모든 알림 조회
-        List<Notification> notifications = notificationRepository.findAllByMember(member);
+        List<Notification> notifications = notificationRepository.findAllByMemberOrderByCreatedAtDesc(member);
 
         if (notifications.isEmpty()) {
             return List.of();

src/test/java/umc/cockple/demo/domain/notification/fcm/FcmIntegrationTest.java

@@ -0,0 +1,134 @@
+package umc.cockple.demo.domain.notification.fcm;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.firebase.messaging.FirebaseMessaging;
+import org.junit.jupiter.api.*;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.test.context.bean.override.mockito.MockitoBean;
+import org.springframework.test.util.ReflectionTestUtils;
+import org.springframework.test.web.servlet.MockMvc;
+import umc.cockple.demo.domain.member.domain.Member;
+import umc.cockple.demo.domain.member.repository.MemberRepository;
+import umc.cockple.demo.domain.notification.dto.FcmTokenRequestDTO;
+import umc.cockple.demo.global.enums.Gender;
+import umc.cockple.demo.global.enums.Level;
+import umc.cockple.demo.support.IntegrationTestBase;
+import umc.cockple.demo.support.SecurityContextHelper;
+import umc.cockple.demo.support.fixture.MemberFixture;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.patch;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+class FcmIntegrationTest extends IntegrationTestBase {
+
+    @Autowired MockMvc mockMvc;
+    @Autowired MemberRepository memberRepository;
+    @Autowired ObjectMapper objectMapper;
+
+    private Member member;
+
+    @BeforeEach
+    void setUp() {
+        member = memberRepository.save(
+                MemberFixture.createMember("테스터", Gender.MALE, Level.A, 1001L));
+    }
+
+    @AfterEach
+    void tearDown() {
+        memberRepository.deleteAll();
+        SecurityContextHelper.clearAuthentication();
+    }
+
+
+    @Nested
+    @DisplayName("PATCH /api/notifications/fcm-token - FCM 토큰 등록/갱신")
+    class RegisterFcmToken {
+
+        @Nested
+        @DisplayName("성공 케이스")
+        class Success {
+
+            @Test
+            @DisplayName("200 - FCM 토큰이 DB에 저장된다")
+            void registerFcmToken_savedInDb() throws Exception {
+                SecurityContextHelper.setAuthentication(member.getId(), member.getNickname());
+
+                mockMvc.perform(patch("/api/notifications/fcm-token")
+                                .contentType(MediaType.APPLICATION_JSON)
+                                .content(objectMapper.writeValueAsString(new FcmTokenRequestDTO("new-fcm-token"))))
+                        .andExpect(status().isOk());
+
+                Member updated = memberRepository.findById(member.getId()).orElseThrow();
+                assertThat(updated.getFcmToken()).isEqualTo("new-fcm-token");
+            }
+
+            @Test
+            @DisplayName("200 - 기존 토큰이 새 토큰으로 교체된다")
+            void registerFcmToken_updatesExistingToken() throws Exception {
+                ReflectionTestUtils.setField(member, "fcmToken", "old-fcm-token");
+                memberRepository.save(member);
+                SecurityContextHelper.setAuthentication(member.getId(), member.getNickname());
+
+                mockMvc.perform(patch("/api/notifications/fcm-token")
+                                .contentType(MediaType.APPLICATION_JSON)
+                                .content(objectMapper.writeValueAsString(new FcmTokenRequestDTO("updated-fcm-token"))))
+                        .andExpect(status().isOk());
+
+                Member updated = memberRepository.findById(member.getId()).orElseThrow();
+                assertThat(updated.getFcmToken()).isEqualTo("updated-fcm-token");
+            }
+        }
+
+        @Nested
+        @DisplayName("실패 케이스")
+        class Failure {
+
+            @Test
+            @DisplayName("400 - 빈 문자열 토큰은 @NotBlank 검증에서 거부된다")
+            void registerFcmToken_blankToken_returns400() throws Exception {
+                SecurityContextHelper.setAuthentication(member.getId(), member.getNickname());
+
+                mockMvc.perform(patch("/api/notifications/fcm-token")
+                                .contentType(MediaType.APPLICATION_JSON)
+                                .content(objectMapper.writeValueAsString(new FcmTokenRequestDTO(""))))
+                        .andExpect(status().isBadRequest());
+            }
+
+            @Test
+            @DisplayName("400 - null 토큰은 @NotBlank 검증에서 거부된다")
+            void registerFcmToken_nullToken_returns400() throws Exception {
+                SecurityContextHelper.setAuthentication(member.getId(), member.getNickname());
+
+                mockMvc.perform(patch("/api/notifications/fcm-token")
+                                .contentType(MediaType.APPLICATION_JSON)
+                                .content(objectMapper.writeValueAsString(new FcmTokenRequestDTO(null))))
+                        .andExpect(status().isBadRequest());
+            }
+
+            @Test
+            @DisplayName("400 - 공백 문자열 토큰은 @NotBlank 검증에서 거부된다")
+            void registerFcmToken_whitespaceToken_returns400() throws Exception {
+                SecurityContextHelper.setAuthentication(member.getId(), member.getNickname());
+
+                mockMvc.perform(patch("/api/notifications/fcm-token")
+                                .contentType(MediaType.APPLICATION_JSON)
+                                .content(objectMapper.writeValueAsString(new FcmTokenRequestDTO("   "))))
+                        .andExpect(status().isBadRequest());
+            }
+
+            @Test
+            @DisplayName("400 - fcmToken 필드 누락 시 @NotBlank 검증에서 거부된다")
+            void registerFcmToken_missingField_returns400() throws Exception {
+                SecurityContextHelper.setAuthentication(member.getId(), member.getNickname());
+
+                mockMvc.perform(patch("/api/notifications/fcm-token")
+                                .contentType(MediaType.APPLICATION_JSON)
+                                .content("{}"))
+                        .andExpect(status().isBadRequest());
+            }
+        }
+    }
+
+}