feat(home): 사업자 정보 inline 더보기를 추가한다

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

@@ -4,6 +4,9 @@ import android.app.Application
 import android.content.Context
 import android.content.res.Configuration
 import android.graphics.drawable.ColorDrawable
+import android.text.Spanned
+import android.text.TextUtils
+import android.text.style.ClickableSpan
 import android.view.Gravity
 import android.view.LayoutInflater
 import android.view.View
@@ -30,6 +33,7 @@ import kr.co.vividnext.sodalive.v2.main.home.model.visibleHomePopularCommunityPo
 import kr.co.vividnext.sodalive.v2.main.home.model.visibleHomeGenreCreatorGroups
 import kr.co.vividnext.sodalive.v2.main.home.data.HomePopularCommunityPostItem
 import kr.co.vividnext.sodalive.v2.main.home.ui.HomeAiCharacterAdapter
+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.HomeFollowAllButtonBinder
@@ -819,6 +823,88 @@ class HomeMainFragmentLayoutTest {
         assertNotNull(genreGroup.findViewById<TextView>(R.id.tv_home_genre_creator_group_title_suffix))
     }
 
+    @Test
+    fun `business info layout starts collapsed without separate toggle view`() {
+        val root = inflateView(R.layout.fragment_v2_main_home)
+        val businessInfoContainer = root.findViewById<LinearLayout>(R.id.ll_home_business_info)
+        val businessInfo = root.findViewById<TextView>(R.id.tv_home_business_info)
+
+        assertEquals(1, businessInfoContainer.childCount)
+        assertEquals(3, businessInfo.maxLines)
+        assertEquals(TextUtils.TruncateAt.END, businessInfo.ellipsize)
+    }
+
+    @Test
+    fun `business info binder appends inline more action when content is longer than three lines`() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val businessInfo = TextView(context).apply {
+            setPadding(0, 0, 0, 0)
+            layout(0, 0, 180.dpToPx(), 1000.dpToPx())
+        }
+        val originalText = "사업자 정보가 여러 줄로 길게 표시되어 마지막 줄 우측에 더보기 액션이 붙어야 합니다. 반복 텍스트입니다."
+
+        HomeBusinessInfoBinder.bind(businessInfo)
+        HomeBusinessInfoBinder.updateToggleVisibility(
+            textView = businessInfo,
+            originalText = originalText,
+            totalLineCount = 4
+        )
+
+        assertEquals(3, businessInfo.maxLines)
+        assertEquals(null, businessInfo.ellipsize)
+        assertFalse(
+            businessInfo.text.toString().contains("\n" + context.getString(R.string.home_recommendation_more))
+        )
+        assertEquals(true, businessInfo.text.toString().endsWith("…  " + context.getString(R.string.home_recommendation_more)))
+        assertEquals(1, businessInfo.clickableSpanCount())
+    }
+
+    @Test
+    fun `business info inline action toggles collapsed and expanded state`() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val businessInfo = TextView(context).apply {
+            setPadding(0, 0, 0, 0)
+            layout(0, 0, 180.dpToPx(), 1000.dpToPx())
+        }
+        val originalText = "사업자 정보가 여러 줄로 길게 표시되어 마지막 줄 우측에 더보기 액션이 붙어야 합니다. 반복 텍스트입니다."
+
+        HomeBusinessInfoBinder.bind(businessInfo)
+        HomeBusinessInfoBinder.updateToggleVisibility(
+            textView = businessInfo,
+            originalText = originalText,
+            totalLineCount = 4
+        )
+        businessInfo.performLastClickableSpanClick()
+
+        assertEquals(Int.MAX_VALUE, businessInfo.maxLines)
+        assertEquals(null, businessInfo.ellipsize)
+        assertEquals(true, businessInfo.text.toString().endsWith("  " + context.getString(R.string.home_recommendation_collapse)))
+
+        businessInfo.performLastClickableSpanClick()
+
+        assertEquals(3, businessInfo.maxLines)
+        assertEquals(null, businessInfo.ellipsize)
+        assertEquals(true, businessInfo.text.toString().endsWith("…  " + context.getString(R.string.home_recommendation_more)))
+    }
+
+    @Test
+    fun `business info inline action is absent when content is three lines or fewer`() {
+        val context = ApplicationProvider.getApplicationContext<Context>()
+        val businessInfo = TextView(context)
+        val originalText = "짧은 사업자 정보"
+
+        HomeBusinessInfoBinder.updateToggleVisibility(
+            textView = businessInfo,
+            originalText = originalText,
+            totalLineCount = 3
+        )
+
+        assertEquals(3, businessInfo.maxLines)
+        assertEquals(TextUtils.TruncateAt.END, businessInfo.ellipsize)
+        assertEquals(originalText, businessInfo.text.toString())
+        assertEquals(0, businessInfo.clickableSpanCount())
+    }
+
     @Test
     fun `home title bar exposes right icons in cash search bell order`() {
         val titleBar = inflateView(R.layout.view_title_bar_home)
@@ -841,6 +927,16 @@ class HomeMainFragmentLayoutTest {
         }
     }
 
+    private fun TextView.clickableSpanCount(): Int {
+        val spanned = text as? Spanned ?: return 0
+        return spanned.getSpans(0, spanned.length, ClickableSpan::class.java).size
+    }
+
+    private fun TextView.performLastClickableSpanClick() {
+        val spanned = text as Spanned
+        spanned.getSpans(0, spanned.length, ClickableSpan::class.java).last().onClick(this)
+    }
+
     private fun inflateView(layoutResId: Int): View {
         val context = ApplicationProvider.getApplicationContext<Context>()
         return LayoutInflater.from(context).inflate(layoutResId, null, false)