test: Notification 관련 테스트 코드 작성

src/test/java/com/potatocake/everymoment/controller/NotificationControllerTest.java

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+package com.potatocake.everymoment.controller;
+
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.BDDMockito.then;
+import static org.mockito.BDDMockito.willDoNothing;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.csrf;
+import static org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.user;
+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.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import com.potatocake.everymoment.dto.response.NotificationListResponse;
+import com.potatocake.everymoment.entity.Member;
+import com.potatocake.everymoment.security.MemberDetails;
+import com.potatocake.everymoment.service.NotificationService;
+import java.time.LocalDateTime;
+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.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.ResultActions;
+
+@WebMvcTest(NotificationController.class)
+class NotificationControllerTest {
+
+    @Autowired
+    private MockMvc mockMvc;
+
+    @MockBean
+    private NotificationService notificationService;
+
+    @Test
+    @DisplayName("알림 목록이 성공적으로 조회된다.")
+    void should_GetNotifications_When_ValidRequest() throws Exception {
+        // given
+        Long memberId = 1L;
+        Member member = Member.builder()
+                .id(memberId)
+                .number(1234L)
+                .nickname("testUser")
+                .build();
+        MemberDetails memberDetails = new MemberDetails(member);
+
+        List<NotificationListResponse> responses = List.of(
+                NotificationListResponse.builder()
+                        .id(1L)
+                        .content("Notification 1")
+                        .type("TEST1")
+                        .targetId(1L)
+                        .isRead(false)
+                        .createdAt(LocalDateTime.now())
+                        .build(),
+                NotificationListResponse.builder()
+                        .id(2L)
+                        .content("Notification 2")
+                        .type("TEST2")
+                        .targetId(2L)
+                        .isRead(true)
+                        .createdAt(LocalDateTime.now())
+                        .build()
+        );
+
+        given(notificationService.getNotifications(memberId)).willReturn(responses);
+
+        // when
+        ResultActions result = mockMvc.perform(get("/api/notifications")
+                .with(user(memberDetails)));
+
+        // then
+        result.andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value(200))
+                .andExpect(jsonPath("$.message").value("success"))
+                .andExpect(jsonPath("$.info").isArray())
+                .andExpect(jsonPath("$.info[0].content").value("Notification 1"))
+                .andExpect(jsonPath("$.info[0].read").value(false))
+                .andExpect(jsonPath("$.info[1].content").value("Notification 2"))
+                .andExpect(jsonPath("$.info[1].read").value(true));
+
+        then(notificationService).should().getNotifications(memberId);
+    }
+
+    @Test
+    @DisplayName("알림이 성공적으로 읽음 처리된다.")
+    void should_UpdateNotification_When_ValidId() throws Exception {
+        // given
+        Long memberId = 1L;
+        Long notificationId = 1L;
+        Member member = Member.builder()
+                .id(memberId)
+                .number(1234L)
+                .nickname("testUser")
+                .build();
+        MemberDetails memberDetails = new MemberDetails(member);
+
+        willDoNothing().given(notificationService).updateNotification(memberId, notificationId);
+
+        // when
+        ResultActions result = mockMvc.perform(patch("/api/notifications/{notificationId}", notificationId)
+                .with(user(memberDetails))
+                .with(csrf()));
+
+        // then
+        result.andExpect(status().isOk())
+                .andExpect(jsonPath("$.code").value(200))
+                .andExpect(jsonPath("$.message").value("success"));
+
+        then(notificationService).should().updateNotification(eq(memberId), eq(notificationId));
+    }
+
+}

src/test/java/com/potatocake/everymoment/entity/NotificationTest.java

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+package com.potatocake.everymoment.entity;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+class NotificationTest {
+
+    @Test
+    @DisplayName("알림이 성공적으로 생성된다.")
+    void should_CreateNotification_When_ValidInput() {
+        // given
+        Member member = Member.builder()
+                .id(1L)
+                .build();
+
+        // when
+        Notification notification = Notification.builder()
+                .member(member)
+                .content("Test notification")
+                .type("TEST")
+                .targetId(1L)
+                .isRead(false)
+                .build();
+
+        // then
+        assertThat(notification.getMember()).isEqualTo(member);
+        assertThat(notification.getContent()).isEqualTo("Test notification");
+        assertThat(notification.getType()).isEqualTo("TEST");
+        assertThat(notification.getTargetId()).isEqualTo(1L);
+        assertThat(notification.isRead()).isFalse();
+    }
+
+    @Test
+    @DisplayName("알림이 성공적으로 읽음 처리된다.")
+    void should_MarkAsRead_When_UpdateIsRead() {
+        // given
+        Notification notification = Notification.builder()
+                .content("Test notification")
+                .isRead(false)
+                .build();
+
+        // when
+        notification.updateIsRead();
+
+        // then
+        assertThat(notification.isRead()).isTrue();
+    }
+
+}

src/test/java/com/potatocake/everymoment/repository/NotificationRepositoryTest.java

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+package com.potatocake.everymoment.repository;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.potatocake.everymoment.entity.Member;
+import com.potatocake.everymoment.entity.Notification;
+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.orm.jpa.DataJpaTest;
+import org.springframework.test.context.TestPropertySource;
+
+@TestPropertySource(properties = "spring.jpa.hibernate.ddl-auto=create-drop")
+@DataJpaTest
+class NotificationRepositoryTest {
+
+    @Autowired
+    private NotificationRepository notificationRepository;
+
+    @Autowired
+    private MemberRepository memberRepository;
+
+    @Test
+    @DisplayName("알림이 성공적으로 저장된다.")
+    void should_SaveNotification_When_ValidEntity() {
+        // given
+        Member member = Member.builder()
+                .number(1234L)
+                .nickname("testUser")
+                .profileImageUrl("https://example.com/profile.jpg")
+                .build();
+        Member savedMember = memberRepository.save(member);
+
+        Notification notification = Notification.builder()
+                .member(savedMember)
+                .content("Test notification")
+                .type("TEST")
+                .targetId(1L)
+                .isRead(false)
+                .build();
+
+        // when
+        Notification savedNotification = notificationRepository.save(notification);
+
+        // then
+        assertThat(savedNotification.getId()).isNotNull();
+        assertThat(savedNotification.getContent()).isEqualTo("Test notification");
+        assertThat(savedNotification.getMember()).isEqualTo(savedMember);
+    }
+
+    @Test
+    @DisplayName("회원의 알림 목록이 성공적으로 조회된다.")
+    void should_FindNotifications_When_FilteringByMemberId() {
+        // given
+        Member member = Member.builder()
+                .number(1234L)
+                .nickname("testUser")
+                .profileImageUrl("https://example.com/profile.jpg")
+                .build();
+        Member savedMember = memberRepository.save(member);
+
+        List<Notification> notifications = List.of(
+                Notification.builder()
+                        .member(savedMember)
+                        .content("Notification 1")
+                        .type("TEST1")
+                        .targetId(1L)
+                        .build(),
+                Notification.builder()
+                        .member(savedMember)
+                        .content("Notification 2")
+                        .type("TEST2")
+                        .targetId(2L)
+                        .build()
+        );
+
+        notificationRepository.saveAll(notifications);
+
+        // when
+        List<Notification> foundNotifications = notificationRepository
+                .findAllByMemberId(savedMember.getId());
+
+        // then
+        assertThat(foundNotifications).hasSize(2);
+        assertThat(foundNotifications)
+                .extracting("content")
+                .containsExactlyInAnyOrder("Notification 1", "Notification 2");
+    }
+
+    @Test
+    @DisplayName("알림이 성공적으로 삭제된다.")
+    void should_DeleteNotification_When_ValidEntity() {
+        // given
+        Member member = Member.builder()
+                .number(1234L)
+                .nickname("testUser")
+                .profileImageUrl("https://example.com/profile.jpg")
+                .build();
+        Member savedMember = memberRepository.save(member);
+
+        Notification notification = Notification.builder()
+                .member(savedMember)
+                .content("Test notification")
+                .type("TEST")
+                .targetId(1L)
+                .build();
+
+        Notification savedNotification = notificationRepository.save(notification);
+
+        // when
+        notificationRepository.delete(savedNotification);
+
+        // then
+        List<Notification> remainingNotifications = notificationRepository
+                .findAllByMemberId(savedMember.getId());
+        assertThat(remainingNotifications).isEmpty();
+    }
+
+}