feat(home): 홈 추천 조회 로그와 회원 컨텍스트를 전달한다

src/test/kotlin/kr/co/vividnext/sodalive/v2/api/home/HomeRecommendationControllerTest.kt

@@ -5,17 +5,26 @@ import kr.co.vividnext.sodalive.member.Member
 import kr.co.vividnext.sodalive.member.MemberAdapter
 import kr.co.vividnext.sodalive.member.MemberRepository
 import kr.co.vividnext.sodalive.member.MemberRole
+import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreference
+import kr.co.vividnext.sodalive.member.contentpreference.MemberContentPreferenceService
 import kr.co.vividnext.sodalive.member.following.CreatorFollowing
 import kr.co.vividnext.sodalive.member.following.CreatorFollowingRepository
 import kr.co.vividnext.sodalive.support.EmbeddedRedisInitializer
+import kr.co.vividnext.sodalive.v2.api.home.application.HomeRecommendationFacade
+import kr.co.vividnext.sodalive.v2.recommend.application.HomeRecommendationQueryService
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Assertions.assertNotNull
+import org.junit.jupiter.api.Assertions.assertThrows
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.mockito.Mockito
 import org.springframework.beans.factory.annotation.Autowired
 import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc
 import org.springframework.boot.test.context.SpringBootTest
+import org.springframework.boot.test.system.CapturedOutput
+import org.springframework.boot.test.system.OutputCaptureExtension
 import org.springframework.http.MediaType
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.user
 import org.springframework.test.context.ContextConfiguration
@@ -32,6 +41,7 @@ import javax.persistence.EntityManager
 @AutoConfigureMockMvc
 @Transactional
 @ContextConfiguration(initializers = [EmbeddedRedisInitializer::class])
+@ExtendWith(OutputCaptureExtension::class)
 class HomeRecommendationControllerTest @Autowired constructor(
     private val mockMvc: MockMvc,
     private val memberRepository: MemberRepository,
@@ -197,7 +207,7 @@ class HomeRecommendationControllerTest @Autowired constructor(
 
     @Test
     @DisplayName("메인 홈 통합 조회는 비회원도 호출 가능하고 섹션별 빈 배열을 포함해 성공 응답한다")
-    fun shouldReturnHomeRecommendationsForAnonymous() {
+    fun shouldReturnHomeRecommendationsForAnonymous(output: CapturedOutput) {
         mockMvc.perform(get("/api/v2/home/recommendations"))
             .andExpect(status().isOk)
             .andExpect(jsonPath("$.success").value(true))
@@ -210,6 +220,9 @@ class HomeRecommendationControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.data.genreCreators").isArray)
             .andExpect(jsonPath("$.data.cheerCreators").isArray)
             .andExpect(jsonPath("$.data.popularCommunities").isArray)
+
+        assertTrue(output.out.contains("event=home_recommendations_query_success"))
+        assertTrue(output.out.contains("emptySections="))
     }
 
     @Test
@@ -227,9 +240,27 @@ class HomeRecommendationControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.data.lives").isArray)
     }
 
+    @Test
+    @DisplayName("메인 홈 통합 조회 실패는 응답 시간과 함께 로그로 관측된다")
+    fun shouldLogHomeRecommendationFailure(output: CapturedOutput) {
+        val failingQueryService = Mockito.mock(HomeRecommendationQueryService::class.java)
+        val preferenceService = Mockito.mock(MemberContentPreferenceService::class.java)
+        val facade = HomeRecommendationFacade(failingQueryService, preferenceService, "https://cdn.test")
+        Mockito.`when`(failingQueryService.findLiveRecommendations(limit = 20, memberId = null, includeAdultLives = false))
+            .thenThrow(IllegalStateException("home query failed"))
+
+        val exception = assertThrows(IllegalStateException::class.java) {
+            facade.getHomeRecommendations(member = null)
+        }
+
+        assertEquals("home query failed", exception.message)
+        assertTrue(output.out.contains("event=home_recommendations_query_failure"))
+        assertTrue(output.out.contains("memberId=null"))
+    }
+
     @Test
     @DisplayName("라이브 전체보기는 page/size를 포함한 페이징 응답 형식으로 반환한다")
-    fun shouldReturnPagedLives() {
+    fun shouldReturnPagedLives(output: CapturedOutput) {
         val member = saveMember("paged-live-viewer", MemberRole.USER)
         entityManager.flush()
         entityManager.clear()
@@ -241,6 +272,74 @@ class HomeRecommendationControllerTest @Autowired constructor(
             .andExpect(jsonPath("$.data.page").value(0))
             .andExpect(jsonPath("$.data.size").value(20))
             .andExpect(jsonPath("$.data.hasNext").value(false))
+
+        assertTrue(output.out.contains("event=home_recommendations_page_query_success"))
+        assertTrue(output.out.contains("section=LIVE"))
+    }
+
+    @Test
+    @DisplayName("세부 전체보기 조회 실패는 섹션과 응답 시간과 함께 로그로 관측된다")
+    fun shouldLogHomeRecommendationPageFailure(output: CapturedOutput) {
+        val member = saveMember("page-failure-viewer", MemberRole.USER)
+        val failingQueryService = Mockito.mock(HomeRecommendationQueryService::class.java)
+        val preferenceService = Mockito.mock(MemberContentPreferenceService::class.java)
+        val facade = HomeRecommendationFacade(failingQueryService, preferenceService, "https://cdn.test")
+        Mockito.`when`(preferenceService.initializeDefaultPreference(member)).thenReturn(MemberContentPreference())
+        Mockito.`when`(
+            failingQueryService.findLiveRecommendations(
+                offset = 0,
+                limit = 21,
+                memberId = member.id,
+                includeAdultLives = false
+            )
+        )
+            .thenThrow(IllegalStateException("page query failed"))
+
+        val exception = assertThrows(IllegalStateException::class.java) {
+            facade.getLives(member, page = 0, size = 20)
+        }
+
+        assertEquals("page query failed", exception.message)
+        assertTrue(output.out.contains("event=home_recommendations_page_query_failure"))
+        assertTrue(output.out.contains("section=LIVE"))
+    }
+
+    @Test
+    @DisplayName("나머지 세부 전체보기 조회 실패도 섹션과 응답 시간과 함께 로그로 관측된다")
+    fun shouldLogOtherHomeRecommendationPageFailures(output: CapturedOutput) {
+        val member = saveMember("other-page-failure-viewer", MemberRole.USER)
+        val failingQueryService = Mockito.mock(HomeRecommendationQueryService::class.java)
+        val preferenceService = Mockito.mock(MemberContentPreferenceService::class.java)
+        val facade = HomeRecommendationFacade(failingQueryService, preferenceService, "https://cdn.test")
+        Mockito.`when`(preferenceService.initializeDefaultPreference(member)).thenReturn(MemberContentPreference())
+        Mockito.`when`(
+            failingQueryService.findRecentDebutCreators(
+                now = Mockito.any(LocalDateTime::class.java) ?: LocalDateTime.MIN,
+                offset = Mockito.eq(0),
+                limit = Mockito.eq(21),
+                memberId = Mockito.eq(member.id),
+                includeAdultContents = Mockito.eq(false)
+            )
+        ).thenThrow(IllegalStateException("debut page failed"))
+        Mockito.`when`(
+            failingQueryService.findFirstAudioContents(
+                now = Mockito.any(LocalDateTime::class.java) ?: LocalDateTime.MIN,
+                offset = Mockito.eq(0),
+                limit = Mockito.eq(21),
+                memberId = Mockito.eq(member.id),
+                includeAdultContents = Mockito.eq(false)
+            )
+        ).thenThrow(IllegalStateException("first audio page failed"))
+        Mockito.`when`(failingQueryService.findAiCharacterRecommendations(offset = 0, limit = 21))
+            .thenThrow(IllegalStateException("ai page failed"))
+
+        assertThrows(IllegalStateException::class.java) { facade.getRecentDebutCreators(member, page = 0, size = 20) }
+        assertThrows(IllegalStateException::class.java) { facade.getFirstAudioContents(member, page = 0, size = 20) }
+        assertThrows(IllegalStateException::class.java) { facade.getAiCharacters(member, page = 0, size = 20) }
+
+        assertTrue(output.out.contains("section=DEBUT_CREATOR"))
+        assertTrue(output.out.contains("section=FIRST_AUDIO_CONTENT"))
+        assertTrue(output.out.contains("section=AI_CHARACTER"))
     }
 
     @Test