feat(home): 랭킹 탭 목록을 연결한다

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

@@ -697,6 +697,38 @@ class HomeMainFragmentLayoutTest {
         assertEquals(expectedFreeTag.paddingStart, freeTag.paddingStart)
     }
 
+    @Test
+    fun `home ranking layout contains ranking list below text tab bar`() {
+        val root = inflateView(R.layout.fragment_v2_main_home)
+        val rankingList = root.findViewById<RecyclerView>(R.id.rv_home_creator_rankings)
+        val layoutParams = rankingList.layoutParams as ConstraintLayout.LayoutParams
+
+        assertNotNull(rankingList)
+        assertSame(root, rankingList.parent)
+        assertEquals(0, layoutParams.width)
+        assertEquals(0, layoutParams.height)
+        assertEquals(R.id.text_tab_bar_home, layoutParams.topToBottom)
+        assertEquals(ConstraintLayout.LayoutParams.PARENT_ID, layoutParams.startToStart)
+        assertEquals(ConstraintLayout.LayoutParams.PARENT_ID, layoutParams.endToEnd)
+        assertEquals(ConstraintLayout.LayoutParams.PARENT_ID, layoutParams.bottomToBottom)
+        assertEquals(View.GONE, rankingList.visibility)
+        assertEquals(false, rankingList.clipToPadding)
+        assertEquals(14.dpToPx(), rankingList.paddingStart)
+        assertEquals(14.dpToPx(), rankingList.paddingTop)
+        assertEquals(28.dpToPx(), rankingList.paddingBottom)
+    }
+
+    @Test
+    fun `home ranking layout does not add capsule tab bar`() {
+        val root = inflateView(R.layout.fragment_v2_main_home)
+        val layoutSource = homeMainLayoutSource()
+
+        assertFalse(root.containsClassName("kr.co.vividnext.sodalive.v2.widget.CapsuleTabBarView"))
+        assertFalse(layoutSource.contains("view_capsule_tab_bar"))
+        assertFalse(layoutSource.contains("hsv_capsule_tab_bar"))
+        assertFalse(layoutSource.contains("ll_capsule_tab_container"))
+    }
+
     @Test
     fun `popular community section is hidden until phase7 binding is implemented`() {
         val root = inflateView(R.layout.fragment_v2_main_home)
@@ -1264,6 +1296,63 @@ class HomeMainFragmentLayoutTest {
         }
     }
 
+    @Test
+    fun `home ranking fragment wires adapter and grid layout manager`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("HomeCreatorRankingViewModel"))
+        assertTrue(source.contains("CreatorRankingAdapter { openCreatorRankingProfile(it) }"))
+        assertTrue(source.contains("binding.rvHomeCreatorRankings.apply"))
+        assertTrue(source.contains("layoutManager = CreatorRankingAdapter.createGridLayoutManager(requireContext())"))
+        assertTrue(source.contains("adapter = creatorRankingAdapter"))
+    }
+
+    @Test
+    fun `home ranking fragment switches recommendation and ranking content by tab`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("HOME_TAB_RECOMMENDATION = 0"))
+        assertTrue(source.contains("HOME_TAB_RANKING = 1"))
+        assertTrue(source.contains("HOME_TAB_FOLLOWING = 2"))
+        assertTrue(source.contains("binding.textTabBarHome.root.setOnTabSelectedListener { index ->"))
+        assertTrue(source.contains("showHomeTab(index)"))
+        assertTrue(source.contains("binding.nsvHomeRecommendationContent.visibility = View.GONE"))
+        assertTrue(source.contains("binding.rvHomeCreatorRankings.visibility = View.VISIBLE"))
+        assertTrue(source.contains("binding.nsvHomeRecommendationContent.visibility = View.VISIBLE"))
+        assertTrue(source.contains("binding.rvHomeCreatorRankings.visibility = View.GONE"))
+    }
+
+    @Test
+    fun `home ranking fragment loads rankings once on first ranking selection`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("private var hasLoadedCreatorRankings = false"))
+        assertTrue(source.contains("if (!hasLoadedCreatorRankings)"))
+        assertTrue(source.contains("hasLoadedCreatorRankings = true"))
+        assertTrue(source.contains("homeCreatorRankingViewModel.loadCreatorRankings()"))
+    }
+
+    @Test
+    fun `home ranking fragment observes ranking state and submits items`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("rankingStateLiveData.observe(viewLifecycleOwner)"))
+        assertTrue(source.contains("is HomeCreatorRankingUiState.Content -> creatorRankingAdapter.submitItems(state.items)"))
+        assertTrue(source.contains("HomeCreatorRankingUiState.Empty,"))
+        assertTrue(source.contains("is HomeCreatorRankingUiState.Error -> creatorRankingAdapter.submitItems(emptyList())"))
+        assertTrue(source.contains("HomeCreatorRankingUiState.Loading -> Unit"))
+    }
+
+    @Test
+    fun `home ranking fragment opens profile only for touchable creator`() {
+        val source = homeMainFragmentSource()
+
+        assertTrue(source.contains("private fun openCreatorRankingProfile(item: CreatorRankingItem)"))
+        assertTrue(source.contains("if (item.creatorId <= 0L) return"))
+        assertTrue(source.contains("openCreatorProfile(item.creatorId)"))
+        assertFalse(source.contains("EXTRA_USER_ID, 0L"))
+    }
+
     @Test
     fun `home main fragment phase9 replaces sample content with viewmodel state binding`() {
         val source = homeMainFragmentSource()
@@ -1321,6 +1410,14 @@ class HomeMainFragmentLayoutTest {
         ).readText()
     }
 
+    private fun homeMainLayoutSource(): String {
+        val projectRoot = java.io.File("..").canonicalFile
+        return java.io.File(
+            projectRoot,
+            "app/src/main/res/layout/fragment_v2_main_home.xml"
+        ).readText()
+    }
+
     private fun homeRecommendationViewModelSource(): String {
         val projectRoot = java.io.File("..").canonicalFile
         return java.io.File(