feat(home): 팔로잉 탭 화면을 연결한다

app/src/main/java/kr/co/vividnext/sodalive/v2/main/home/HomeMainFragment.kt

@@ -14,7 +14,20 @@ import kr.co.vividnext.sodalive.common.formatUtcRelativeTimeText
 import kr.co.vividnext.sodalive.databinding.FragmentV2MainHomeBinding
 import kr.co.vividnext.sodalive.databinding.ViewSectionTitleBinding
 import kr.co.vividnext.sodalive.explorer.profile.creator_community.all.CreatorCommunityAllActivity
+import kr.co.vividnext.sodalive.chat.talk.room.ChatRoomActivity
 import kr.co.vividnext.sodalive.v2.creator.channel.CreatorChannelActivity
+import kr.co.vividnext.sodalive.v2.main.chat.dm.DmChatRoomActivity
+import kr.co.vividnext.sodalive.v2.main.chat.model.ChatRoomListUiItem
+import kr.co.vividnext.sodalive.v2.main.chat.model.ChatRoomType
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingChatSection
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingCreatorSection
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingLiveSection
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingLiveUiItem
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingNewsSection
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingNewsUiItem
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingScheduleSection
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingScheduleUiItem
+import kr.co.vividnext.sodalive.v2.main.home.model.HomeFollowingUiState
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeCreatorRankingUiState
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationAiCharacterSection
 import kr.co.vividnext.sodalive.v2.main.home.model.HomeRecommendationAiCharacterUiModel
@@ -45,6 +58,11 @@ import kr.co.vividnext.sodalive.v2.main.home.ui.HomeBannerBinder
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeBusinessInfoBinder
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeCheerCreatorAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFirstAudioAdapter
+import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingChatAdapter
+import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingCreatorAdapter
+import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingLiveAdapter
+import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingNewsAdapter
+import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingScheduleAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeGenreCreatorAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeLiveAdapter
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomePopularCommunityAdapter
@@ -60,6 +78,7 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
 ) {
     private val homeRecommendationViewModel: HomeRecommendationViewModel by viewModel()
     private val homeCreatorRankingViewModel: HomeCreatorRankingViewModel by viewModel()
+    private val homeFollowingViewModel: HomeFollowingViewModel by viewModel()
     private val loadingDialog: LoadingDialog by lazy { LoadingDialog(requireActivity(), layoutInflater) }
     private val liveAdapter = HomeLiveAdapter()
     private val recentActivityCreatorAdapter = HomeRecentActivityCreatorAdapter { onRecentActivityClick(it) }
@@ -76,10 +95,16 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
     )
     private val popularCommunityAdapter = HomePopularCommunityAdapter { openPopularCommunityPost(it) }
     private val creatorRankingAdapter = CreatorRankingAdapter { openCreatorRankingProfile(it) }
+    private val followingCreatorAdapter = HomeFollowingCreatorAdapter { openCreatorProfile(it.creatorId) }
+    private val followingLiveAdapter = HomeFollowingLiveAdapter { onFollowingLiveClick(it) }
+    private val followingChatAdapter = HomeFollowingChatAdapter { openFollowingChat(it) }
+    private val followingScheduleAdapter = HomeFollowingScheduleAdapter { onFollowingScheduleClick(it) }
+    private val followingNewsAdapter = HomeFollowingNewsAdapter { onFollowingNewsClick(it) }
     private var bannerBinder: HomeBannerBinder? = null
     private var onGenreFollowAllClick: (List<Long>) -> Unit = {}
     private var onCheerFollowAllClick: (List<Long>) -> Unit = {}
     private var hasLoadedCreatorRankings = false
+    private var hasLoadedFollowing = false
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
@@ -97,9 +122,11 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         setUpSectionTitles()
         setUpRecommendationAdapters()
         setUpCreatorRankingAdapter()
+        setUpFollowingAdapters()
         setUpBusinessInfo()
         bindHomeRecommendationObservers()
         bindHomeCreatorRankingObservers()
+        bindHomeFollowingObservers()
         homeRecommendationViewModel.loadRecommendations()
     }
 
@@ -159,6 +186,29 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         }
     }
 
+    private fun setUpFollowingAdapters() {
+        binding.rvHomeFollowingCreators.apply {
+            layoutManager = LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false)
+            adapter = followingCreatorAdapter
+        }
+        binding.rvHomeFollowingOnAirLives.apply {
+            layoutManager = LinearLayoutManager(requireContext(), LinearLayoutManager.HORIZONTAL, false)
+            adapter = followingLiveAdapter
+        }
+        binding.rvHomeFollowingRecentChats.apply {
+            layoutManager = LinearLayoutManager(requireContext(), LinearLayoutManager.VERTICAL, false)
+            adapter = followingChatAdapter
+        }
+        binding.rvHomeFollowingMonthlySchedules.apply {
+            layoutManager = LinearLayoutManager(requireContext(), LinearLayoutManager.VERTICAL, false)
+            adapter = followingScheduleAdapter
+        }
+        binding.rvHomeFollowingRecentNews.apply {
+            layoutManager = LinearLayoutManager(requireContext(), LinearLayoutManager.VERTICAL, false)
+            adapter = followingNewsAdapter
+        }
+    }
+
     private fun bindHomeCreatorRankingObservers() {
         homeCreatorRankingViewModel.rankingStateLiveData.observe(viewLifecycleOwner) { state ->
             when (state) {
@@ -186,18 +236,51 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
             HOME_TAB_RECOMMENDATION -> {
                 binding.nsvHomeRecommendationContent.visibility = View.VISIBLE
                 binding.rvHomeCreatorRankings.visibility = View.GONE
+                binding.nsvHomeFollowingContent.visibility = View.GONE
             }
 
             HOME_TAB_RANKING -> {
                 binding.nsvHomeRecommendationContent.visibility = View.GONE
                 binding.rvHomeCreatorRankings.visibility = View.VISIBLE
+                binding.nsvHomeFollowingContent.visibility = View.GONE
                 if (!hasLoadedCreatorRankings) {
                     hasLoadedCreatorRankings = true
                     homeCreatorRankingViewModel.loadCreatorRankings()
                 }
             }
 
-            HOME_TAB_FOLLOWING -> Unit
+            HOME_TAB_FOLLOWING -> {
+                binding.nsvHomeFollowingContent.visibility = View.VISIBLE
+                binding.nsvHomeRecommendationContent.visibility = View.GONE
+                binding.rvHomeCreatorRankings.visibility = View.GONE
+                if (!hasLoadedFollowing) {
+                    hasLoadedFollowing = true
+                    homeFollowingViewModel.loadFollowing()
+                }
+            }
+        }
+    }
+
+    private fun bindHomeFollowingObservers() {
+        homeFollowingViewModel.followingStateLiveData.observe(viewLifecycleOwner) { state ->
+            when (state) {
+                is HomeFollowingUiState.Content -> bindHomeFollowingContent(state)
+                HomeFollowingUiState.LoginRequired,
+                HomeFollowingUiState.Empty,
+                is HomeFollowingUiState.Error -> bindHomeFollowingEmpty()
+
+                HomeFollowingUiState.Loading -> Unit
+            }
+        }
+        homeFollowingViewModel.isLoading.observe(viewLifecycleOwner) { isLoading ->
+            if (isLoading) {
+                loadingDialog.show(screenWidth)
+            } else {
+                loadingDialog.dismiss()
+            }
+        }
+        homeFollowingViewModel.toastLiveData.observe(viewLifecycleOwner) { toastMessage ->
+            toastMessage?.let(::showToast)
         }
     }
 
@@ -235,6 +318,52 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         bindPopularCommunitySection(content.popularCommunityPosts)
     }
 
+    private fun bindHomeFollowingContent(content: HomeFollowingUiState.Content) {
+        bindFollowingCreatorSection(content.followingCreators)
+        bindFollowingLiveSection(content.onAirLives)
+        bindFollowingChatSection(content.recentChats)
+        bindFollowingScheduleSection(content.monthlySchedules)
+        bindFollowingNewsSection(content.recentNews)
+    }
+
+    private fun bindHomeFollowingEmpty() {
+        binding.llHomeFollowingCreatorsSection.visibility = View.GONE
+        binding.llHomeFollowingOnAirSection.visibility = View.GONE
+        binding.llHomeFollowingRecentChatsSection.visibility = View.GONE
+        binding.llHomeFollowingMonthlySchedulesSection.visibility = View.GONE
+        binding.llHomeFollowingRecentNewsSection.visibility = View.GONE
+        followingCreatorAdapter.submitItems(emptyList())
+        followingLiveAdapter.submitItems(emptyList())
+        followingChatAdapter.submitItems(emptyList())
+        followingScheduleAdapter.submitItems(emptyList())
+        followingNewsAdapter.submitItems(emptyList())
+    }
+
+    private fun bindFollowingCreatorSection(section: HomeFollowingCreatorSection) {
+        binding.llHomeFollowingCreatorsSection.visibility = section.items.toSectionVisibility()
+        followingCreatorAdapter.submitItems(section.items)
+    }
+
+    private fun bindFollowingLiveSection(section: HomeFollowingLiveSection) {
+        binding.llHomeFollowingOnAirSection.visibility = section.items.toSectionVisibility()
+        followingLiveAdapter.submitItems(section.items)
+    }
+
+    private fun bindFollowingChatSection(section: HomeFollowingChatSection) {
+        binding.llHomeFollowingRecentChatsSection.visibility = section.items.toSectionVisibility()
+        followingChatAdapter.submitItems(section.items)
+    }
+
+    private fun bindFollowingScheduleSection(section: HomeFollowingScheduleSection) {
+        binding.llHomeFollowingMonthlySchedulesSection.visibility = section.items.toSectionVisibility()
+        followingScheduleAdapter.submitItems(section.items)
+    }
+
+    private fun bindFollowingNewsSection(section: HomeFollowingNewsSection) {
+        binding.llHomeFollowingRecentNewsSection.visibility = section.items.toSectionVisibility()
+        followingNewsAdapter.submitItems(section.items)
+    }
+
     private fun bindLiveSection(section: HomeRecommendationLiveSection) {
         binding.llHomeLiveSection.visibility = section.items.toSectionVisibility()
         liveAdapter.submitItems(section.items)
@@ -319,6 +448,41 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         binding.viewHomePopularCommunityTitle.setTitle(
             R.string.home_recommendation_section_popular_community_posts
         )
+        binding.viewHomeFollowingCreatorsTitle.setTitle(
+            R.string.screen_home_following_creators_title,
+            showMore = true
+        )
+        binding.viewHomeFollowingOnAirTitle.setTitle(
+            R.string.screen_home_following_on_air,
+            showMore = true
+        )
+        binding.viewHomeFollowingRecentChatsTitle.setTitle(
+            R.string.screen_home_following_recent_chats_title,
+            showMore = true
+        )
+        binding.viewHomeFollowingMonthlySchedulesTitle.setTitle(
+            R.string.screen_home_following_monthly_schedules_title,
+            showMore = true
+        )
+        binding.viewHomeFollowingRecentNewsTitle.setTitle(
+            R.string.screen_home_following_recent_news_title,
+            showMore = true
+        )
+        binding.viewHomeFollowingCreatorsTitle.ivSectionTitleChevron.setOnClickListener {
+            onFollowingSectionMoreClick(HomeFollowingSection.CREATORS)
+        }
+        binding.viewHomeFollowingOnAirTitle.ivSectionTitleChevron.setOnClickListener {
+            onFollowingSectionMoreClick(HomeFollowingSection.ON_AIR)
+        }
+        binding.viewHomeFollowingRecentChatsTitle.ivSectionTitleChevron.setOnClickListener {
+            onFollowingSectionMoreClick(HomeFollowingSection.RECENT_CHATS)
+        }
+        binding.viewHomeFollowingMonthlySchedulesTitle.ivSectionTitleChevron.setOnClickListener {
+            onFollowingSectionMoreClick(HomeFollowingSection.MONTHLY_SCHEDULES)
+        }
+        binding.viewHomeFollowingRecentNewsTitle.ivSectionTitleChevron.setOnClickListener {
+            onFollowingSectionMoreClick(HomeFollowingSection.RECENT_NEWS)
+        }
     }
 
     private fun ViewSectionTitleBinding.setTitle(
@@ -331,6 +495,21 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
 
     private fun onLiveClick(item: HomeRecommendationLiveUiModel) = Unit
 
+    private fun onFollowingSectionMoreClick(section: HomeFollowingSection) = Unit
+
+    private fun onFollowingLiveClick(item: HomeFollowingLiveUiItem) = Unit
+
+    private fun onFollowingScheduleClick(item: HomeFollowingScheduleUiItem) = Unit
+
+    private fun onFollowingNewsClick(item: HomeFollowingNewsUiItem) = Unit
+
+    private fun openFollowingChat(item: ChatRoomListUiItem) {
+        when (item.chatType) {
+            ChatRoomType.AI -> startActivity(ChatRoomActivity.newIntent(requireContext(), item.roomId))
+            ChatRoomType.DM -> startActivity(DmChatRoomActivity.newIntentByRoomId(requireContext(), item.roomId))
+        }
+    }
+
     private fun onBannerClick(item: HomeRecommendationBannerUiModel) {
         val route = item.toHomeRecommendationBannerRoute() ?: return
         startActivity(route.toHomeRecommendationBannerIntent(requireContext()))
@@ -419,3 +598,11 @@ class HomeMainFragment : BaseFragment<FragmentV2MainHomeBinding>(
         const val SECTION_KEY_GENRE_CREATORS = "genreCreators"
     }
 }
+
+enum class HomeFollowingSection {
+    CREATORS,
+    ON_AIR,
+    RECENT_CHATS,
+    MONTHLY_SCHEDULES,
+    RECENT_NEWS
+}

app/src/main/res/layout/fragment_v2_main_home.xml

@@ -239,6 +239,141 @@
         </LinearLayout>
     </androidx.core.widget.NestedScrollView>
 
+    <androidx.core.widget.NestedScrollView
+        android:id="@+id/nsv_home_following_content"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:fillViewport="true"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/text_tab_bar_home">
+
+        <LinearLayout
+            android:id="@+id/ll_home_following_content"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:paddingBottom="@dimen/spacing_28">
+
+            <LinearLayout
+                android:id="@+id/ll_home_following_creators_section"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_12"
+                android:orientation="vertical">
+
+                <include
+                    android:id="@+id/view_home_following_creators_title"
+                    layout="@layout/view_section_title" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/rv_home_following_creators"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/spacing_14"
+                    android:clipToPadding="false"
+                    android:orientation="horizontal"
+                    android:paddingHorizontal="@dimen/spacing_14"
+                    app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                    tools:listitem="@layout/item_home_following_creator" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/ll_home_following_on_air_section"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_48"
+                android:orientation="vertical">
+
+                <include
+                    android:id="@+id/view_home_following_on_air_title"
+                    layout="@layout/view_section_title" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/rv_home_following_on_air_lives"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/spacing_14"
+                    android:clipToPadding="false"
+                    android:orientation="horizontal"
+                    android:paddingHorizontal="@dimen/spacing_14"
+                    app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                    tools:listitem="@layout/item_home_following_live" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/ll_home_following_recent_chats_section"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_48"
+                android:orientation="vertical">
+
+                <include
+                    android:id="@+id/view_home_following_recent_chats_title"
+                    layout="@layout/view_section_title" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/rv_home_following_recent_chats"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/spacing_14"
+                    android:clipToPadding="false"
+                    android:orientation="vertical"
+                    android:paddingHorizontal="@dimen/spacing_14"
+                    app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                    tools:listitem="@layout/item_home_following_chat" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/ll_home_following_monthly_schedules_section"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_48"
+                android:orientation="vertical">
+
+                <include
+                    android:id="@+id/view_home_following_monthly_schedules_title"
+                    layout="@layout/view_section_title" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/rv_home_following_monthly_schedules"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/spacing_14"
+                    android:clipToPadding="false"
+                    android:orientation="vertical"
+                    android:paddingHorizontal="@dimen/spacing_14"
+                    app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                    tools:listitem="@layout/item_home_following_schedule" />
+            </LinearLayout>
+
+            <LinearLayout
+                android:id="@+id/ll_home_following_recent_news_section"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_48"
+                android:orientation="vertical">
+
+                <include
+                    android:id="@+id/view_home_following_recent_news_title"
+                    layout="@layout/view_section_title" />
+
+                <androidx.recyclerview.widget.RecyclerView
+                    android:id="@+id/rv_home_following_recent_news"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/spacing_14"
+                    android:clipToPadding="false"
+                    android:orientation="vertical"
+                    android:paddingHorizontal="@dimen/spacing_14"
+                    app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+                    tools:listitem="@layout/item_home_following_news_content" />
+            </LinearLayout>
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
+
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rv_home_creator_rankings"
         android:layout_width="0dp"

app/src/test/java/kr/co/vividnext/sodalive/v2/main/home/HomeFollowingFragmentSourceTest.kt

@@ -0,0 +1,144 @@
+package kr.co.vividnext.sodalive.v2.main.home
+
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import java.io.File
+
+class HomeFollowingFragmentSourceTest {
+
+    @Test
+    fun `home layout exposes following content and section recycler ids`() {
+        val layout = homeMainLayoutSource()
+
+        assertTrue(layout.contains("@+id/nsv_home_following_content"))
+        assertTrue(layout.contains("@+id/rv_home_following_creators"))
+        assertTrue(layout.contains("@+id/rv_home_following_on_air_lives"))
+        assertTrue(layout.contains("@+id/rv_home_following_recent_chats"))
+        assertTrue(layout.contains("@+id/rv_home_following_monthly_schedules"))
+        assertTrue(layout.contains("@+id/rv_home_following_recent_news"))
+    }
+
+    @Test
+    fun `home main fragment injects following viewmodel and wires adapters`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("HomeFollowingViewModel"))
+        assertTrue(source.contains("private val homeFollowingViewModel: HomeFollowingViewModel by viewModel()"))
+        assertTrue(source.contains("import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingCreatorAdapter"))
+        assertTrue(source.contains("import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingLiveAdapter"))
+        assertTrue(source.contains("import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingChatAdapter"))
+        assertTrue(source.contains("import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingScheduleAdapter"))
+        assertTrue(source.contains("import kr.co.vividnext.sodalive.v2.main.home.ui.HomeFollowingNewsAdapter"))
+        assertTrue(source.contains("HomeFollowingCreatorAdapter"))
+        assertTrue(source.contains("HomeFollowingLiveAdapter"))
+        assertTrue(source.contains("HomeFollowingChatAdapter"))
+        assertTrue(source.contains("HomeFollowingScheduleAdapter"))
+        assertTrue(source.contains("HomeFollowingNewsAdapter"))
+    }
+
+    @Test
+    fun `following tab branch shows following content and hides other home surfaces`() {
+        val source = homeMainFragmentSource()
+        val branch = source.substringAfter("HOME_TAB_FOLLOWING ->")
+            .substringBefore("}\n    }")
+
+        assertTrue(branch.contains("binding.nsvHomeFollowingContent.visibility = View.VISIBLE"))
+        assertTrue(branch.contains("binding.nsvHomeRecommendationContent.visibility = View.GONE"))
+        assertTrue(branch.contains("binding.rvHomeCreatorRankings.visibility = View.GONE"))
+    }
+
+    @Test
+    fun `following tab loads following content only once`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("private var hasLoadedFollowing = false"))
+        assertTrue(source.contains("if (!hasLoadedFollowing)"))
+        assertTrue(source.contains("hasLoadedFollowing = true"))
+        assertTrue(source.contains("homeFollowingViewModel.loadFollowing()"))
+    }
+
+    @Test
+    fun `following section chevrons call callback without starting activity`() {
+        val source = homeMainFragmentSource()
+        val callback = source.substringAfter("private fun onFollowingSectionMoreClick")
+            .substringBefore("\n    private fun")
+
+        assertTrue(source.contains("onFollowingSectionMoreClick("))
+        assertTrue(source.contains("binding.viewHomeFollowingCreatorsTitle"))
+        assertTrue(source.contains("binding.viewHomeFollowingOnAirTitle"))
+        assertTrue(source.contains("binding.viewHomeFollowingRecentChatsTitle"))
+        assertTrue(source.contains("binding.viewHomeFollowingMonthlySchedulesTitle"))
+        assertTrue(source.contains("binding.viewHomeFollowingRecentNewsTitle"))
+        assertTrue(source.contains("setOnClickListener"))
+        assertTrue(source.contains("onFollowingSectionMoreClick(HomeFollowingSection."))
+        assertFalse(callback.contains("startActivity"))
+    }
+
+    @Test
+    fun `following state binding clears or binds each following section`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("followingStateLiveData.observe(viewLifecycleOwner)"))
+        assertTrue(source.contains("is HomeFollowingUiState.Content -> bindHomeFollowingContent(state)"))
+        assertTrue(source.contains("HomeFollowingUiState.LoginRequired,"))
+        assertTrue(source.contains("HomeFollowingUiState.Empty,"))
+        assertTrue(source.contains("is HomeFollowingUiState.Error -> bindHomeFollowingEmpty()"))
+        assertTrue(source.contains("followingCreatorAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("followingLiveAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("followingChatAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("followingScheduleAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("followingNewsAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("bindFollowingCreatorSection(content.followingCreators)"))
+        assertTrue(source.contains("bindFollowingLiveSection(content.onAirLives)"))
+        assertTrue(source.contains("bindFollowingChatSection(content.recentChats)"))
+        assertTrue(source.contains("bindFollowingScheduleSection(content.monthlySchedules)"))
+        assertTrue(source.contains("bindFollowingNewsSection(content.recentNews)"))
+    }
+
+    @Test
+    fun `following adapters bind figma required item fields`() {
+        val liveAdapter = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/main/home/ui/HomeFollowingLiveAdapter.kt"
+        ).readText()
+        val liveLayout = projectFile("app/src/main/res/layout/item_home_following_live.xml").readText()
+        val scheduleAdapter = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/main/home/ui/HomeFollowingScheduleAdapter.kt"
+        ).readText()
+        val scheduleLayout = projectFile("app/src/main/res/layout/item_home_following_schedule.xml").readText()
+        val newsAdapter = projectFile(
+            "app/src/main/java/kr/co/vividnext/sodalive/v2/main/home/ui/HomeFollowingNewsAdapter.kt"
+        ).readText()
+        val newsLayout = projectFile("app/src/main/res/layout/item_home_following_news_content.xml").readText()
+
+        assertTrue(liveLayout.contains("@+id/tv_home_following_live_started_at"))
+        assertTrue(liveAdapter.contains("startedAtText.text"))
+        assertTrue(liveAdapter.contains("item.startedAtUtc"))
+
+        assertTrue(scheduleLayout.contains("@+id/iv_home_following_schedule_creator_profile"))
+        assertTrue(scheduleLayout.contains("@+id/tv_home_following_schedule_type"))
+        assertTrue(scheduleAdapter.contains("profileImage.loadHomeCreatorProfileImage(item.creatorProfileImageUrl)"))
+        assertTrue(scheduleAdapter.contains("typeText.setText(item.typeLabelResId)"))
+        assertTrue(scheduleAdapter.contains("item.isOnAir"))
+        assertTrue(scheduleAdapter.contains("R.string.screen_home_following_on_air"))
+
+        assertTrue(newsLayout.contains("@+id/tv_home_following_news_label"))
+        assertTrue(newsLayout.contains("@+id/tv_home_following_news_title"))
+        assertTrue(newsAdapter.contains("labelText.setText(content.labelResId)"))
+        assertTrue(newsAdapter.contains("titleText.text = content.title"))
+        assertTrue(newsAdapter.contains("createdAtText.text = content.visibleFromText"))
+    }
+
+    private fun homeMainFragmentSource(): String {
+        return projectFile("app/src/main/java/kr/co/vividnext/sodalive/v2/main/home/HomeMainFragment.kt").readText()
+    }
+
+    private fun homeMainLayoutSource(): String {
+        return projectFile("app/src/main/res/layout/fragment_v2_main_home.xml").readText()
+    }
+
+    private fun projectFile(relativePath: String): File {
+        val candidates = listOf(File(relativePath), File("../$relativePath"))
+        return candidates.first { it.exists() }.canonicalFile
+    }
+}