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feat(banner): 배너 시각 정렬을 보완한다

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klaus
2026-05-28 14:41:17 +09:00
parent ecb9f5a260
commit a35310e536
2 changed files with 78 additions and 3 deletions
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55
app/src/test/java/kr/co/vividnext/sodalive/v2/widget/banner/BannerViewTest.kt
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@@ -173,11 +173,63 @@ class BannerViewTest {
assertEquals(20.dpToPx(), recyclerView.paddingLeft)
assertEquals(20.dpToPx(), recyclerView.paddingRight)
assertEquals(8.dpToPx(), itemOffset.right)
assertEquals(4.dpToPx(), itemOffset.left)
assertEquals(4.dpToPx(), itemOffset.right)
assertEquals(8.dpToPx(), itemOffset.left + itemOffset.right)
assertEquals(362.dpToPx(), holder.itemView.layoutParams.width)
assertEquals(362.dpToPx(), holder.itemView.layoutParams.height)
}
@Test
fun `배너 view는 carousel item 간격을 좌우 대칭으로 적용한다`() {
val view = inflateBannerView()
val recyclerView = view.findViewById<RecyclerView>(R.id.rv_banner)
view.setItems(listOf(sampleItem("1"), sampleItem("2")))
view.measure(exactly(402.dpToPx()), exactly(402.dpToPx()))
view.layout(0, 0, 402.dpToPx(), 402.dpToPx())
val holder = recyclerView.adapter!!.onCreateViewHolder(recyclerView, 0)
recyclerView.adapter!!.onBindViewHolder(holder, 0)
val itemOffset = Rect()
recyclerView.getItemDecorationAt(0).getItemOffsets(itemOffset, holder.itemView, recyclerView, RecyclerView.State())
assertEquals(4.dpToPx(), itemOffset.left)
assertEquals(4.dpToPx(), itemOffset.right)
assertEquals(8.dpToPx(), itemOffset.left + itemOffset.right)
}
@Test
fun `배너 view counter는 현재 item 내부 우상단 기준 margin을 적용한다`() {
val view = inflateBannerView()
view.setItems(listOf(sampleItem("1"), sampleItem("2")))
view.measure(exactly(402.dpToPx()), exactly(402.dpToPx()))
view.layout(0, 0, 402.dpToPx(), 402.dpToPx())
val counter = view.findViewById<View>(R.id.layout_banner_counter)
val params = counter.layoutParams as FrameLayout.LayoutParams
assertEquals(14.dpToPx(), params.topMargin)
assertEquals(34.dpToPx(), params.marginEnd)
}
@Test
fun `배너 view는 최초 layout 직후 현재 item 중심을 view 중심에 맞춘다`() {
val view = inflateBannerView()
val recyclerView = view.findViewById<RecyclerView>(R.id.rv_banner)
view.setItems(listOf(sampleItem("1"), sampleItem("2"), sampleItem("3")))
view.measure(exactly(402.dpToPx()), exactly(402.dpToPx()))
view.layout(0, 0, 402.dpToPx(), 402.dpToPx())
val layoutManager = requireNotNull(recyclerView.layoutManager)
val currentItem = requireNotNull(layoutManager.findViewByPosition(view.currentAdapterPositionForTest()))
val itemCenter = (currentItem.left + currentItem.right) / 2
val viewCenter = view.width / 2
assertEquals(viewCenter, itemCenter)
assertEquals(20.dpToPx(), currentItem.left)
assertEquals(20.dpToPx(), view.width - currentItem.right)
}
@Test
fun `배너 view는 wrap content 높이면 402dp 폭 기준 362dp 높이로 측정된다`() {
val view = inflateBannerView()
@@ -221,6 +273,7 @@ class BannerViewTest {
val itemOffset = Rect()
recyclerView.getItemDecorationAt(0).getItemOffsets(itemOffset, holder.itemView, recyclerView, RecyclerView.State())
assertEquals(0, itemOffset.left)
assertEquals(0, itemOffset.right)
}