feat(widget): 랭킹 카드 순위 변동 숨김을 적용한다

app/src/test/java/kr/co/vividnext/sodalive/v2/widget/creatorranking/CreatorRankingAdapterLayoutTest.kt

@@ -1,8 +1,20 @@
 package kr.co.vividnext.sodalive.v2.widget.creatorranking
 
+import android.app.Application
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.View
+import androidx.test.core.app.ApplicationProvider
+import kr.co.vividnext.sodalive.R
+import kr.co.vividnext.sodalive.v2.widget.ranking.RankingChangeType.Increase
 import org.junit.Assert.assertEquals
 import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
 
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [28], application = Application::class)
 class CreatorRankingAdapterLayoutTest {
 
     @Test
@@ -25,4 +37,77 @@ class CreatorRankingAdapterLayoutTest {
             assertEquals(6, spanLookup.getSpanSize(position))
         }
     }
+
+    @Test
+    fun `large card는 순위 변동 숨김이면 delta를 숨긴다`() {
+        val view = inflateView<CreatorRankingLargeCardView>(R.layout.view_creator_ranking_large_card)
+
+        view.bind(sampleItem(showRankChange = false))
+
+        assertEquals(View.GONE, view.findViewById<View>(R.id.ll_creator_ranking_delta).visibility)
+    }
+
+    @Test
+    fun `large card는 순위 변동 표시이면 delta를 보여준다`() {
+        val view = inflateView<CreatorRankingLargeCardView>(R.layout.view_creator_ranking_large_card)
+
+        view.bind(sampleItem(showRankChange = true))
+
+        assertEquals(View.VISIBLE, view.findViewById<View>(R.id.ll_creator_ranking_delta).visibility)
+    }
+
+    @Test
+    fun `compact card는 순위 변동 숨김이면 delta를 숨긴다`() {
+        val view = inflateView<CreatorRankingCompactCardView>(R.layout.view_creator_ranking_compact_card)
+
+        view.bind(sampleItem(showRankChange = false))
+
+        assertEquals(View.GONE, view.findViewById<View>(R.id.ll_creator_ranking_delta).visibility)
+    }
+
+    @Test
+    fun `compact card는 순위 변동 표시이면 delta를 보여준다`() {
+        val view = inflateView<CreatorRankingCompactCardView>(R.layout.view_creator_ranking_compact_card)
+
+        view.bind(sampleItem(showRankChange = true))
+
+        assertEquals(View.VISIBLE, view.findViewById<View>(R.id.ll_creator_ranking_delta).visibility)
+    }
+
+    @Test
+    fun `horizontal card는 순위 변동 숨김이면 delta를 숨긴다`() {
+        val view = inflateView<CreatorRankingHorizontalCardView>(R.layout.view_creator_ranking_horizontal_card)
+
+        view.bind(sampleItem(rank = 11, showRankChange = false))
+
+        assertEquals(View.GONE, view.findViewById<View>(R.id.ll_creator_ranking_delta).visibility)
+    }
+
+    @Test
+    fun `horizontal card는 순위 변동 표시이면 delta를 보여준다`() {
+        val view = inflateView<CreatorRankingHorizontalCardView>(R.layout.view_creator_ranking_horizontal_card)
+
+        view.bind(sampleItem(rank = 11, showRankChange = true))
+
+        assertEquals(View.VISIBLE, view.findViewById<View>(R.id.ll_creator_ranking_delta).visibility)
+    }
+
+    private inline fun <reified T : View> inflateView(layoutResId: Int): T {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        return LayoutInflater.from(context).inflate(layoutResId, null, false) as T
+    }
+
+    private fun sampleItem(
+        rank: Int = 1,
+        showRankChange: Boolean = true
+    ) = CreatorRankingItem(
+        creatorId = 1L,
+        rank = rank,
+        rankChangeType = Increase,
+        rankChangeAmount = 4,
+        creatorName = "크리에이터 이름",
+        imageUrl = "https://example.com/image.png",
+        isBlocked = false,
+        showRankChange = showRankChange
+    )
 }