Print collection content in ComposePrintToString to stabilize output …

…in Dump screenshots.
takahirom · Jan 25, 2025 · 6c3403c · 6c3403c
1 parent bb57d8c
commit 6c3403c
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diff --git a/...orazzi-core/src/androidMain/kotlin/com/github/takahirom/roborazzi/ComposePrintToString.kt b/...orazzi-core/src/androidMain/kotlin/com/github/takahirom/roborazzi/ComposePrintToString.kt
@@ -2,6 +2,7 @@ package com.github.takahirom.roborazzi
 
 import androidx.compose.ui.geometry.Rect
 import androidx.compose.ui.semantics.AccessibilityAction
+import androidx.compose.ui.semantics.CollectionInfo
 import androidx.compose.ui.semantics.SemanticsConfiguration
 import androidx.compose.ui.semantics.SemanticsNode
 import androidx.compose.ui.semantics.SemanticsProperties
@@ -135,6 +136,8 @@ private fun StringBuilder.appendConfigInfo(config: SemanticsConfiguration, inden
             }
         } else if (value is Iterable<*>) {
             append(value.sortedBy { it.toString() })
+        } else if (value is CollectionInfo) {
+          append("(rowCount=${value.rowCount}, columnCount=${value.columnCount})")
         } else {
             append(value)
         }

diff --git a/sample-android/src/test/java/com/github/takahirom/roborazzi/sample/ComposeLambdaTest.kt b/sample-android/src/test/java/com/github/takahirom/roborazzi/sample/ComposeLambdaTest.kt
@@ -5,17 +5,21 @@ import android.graphics.Color
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.test.core.app.ActivityScenario
 import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.github.takahirom.roborazzi.Dump
 import com.github.takahirom.roborazzi.ExperimentalRoborazziApi
 import com.github.takahirom.roborazzi.RobolectricDeviceQualifiers
 import com.github.takahirom.roborazzi.RoborazziComposeActivityScenarioOption
 import com.github.takahirom.roborazzi.RoborazziComposeComposableOption
 import com.github.takahirom.roborazzi.RoborazziComposeOptions
+import com.github.takahirom.roborazzi.RoborazziOptions
 import com.github.takahirom.roborazzi.activityTheme
 import com.github.takahirom.roborazzi.captureRoboImage
 import com.github.takahirom.roborazzi.fontScale
@@ -40,6 +44,21 @@ class ComposeLambdaTest {
     }
   }
 
+  @OptIn(ExperimentalRoborazziApi::class)
+  @Test
+  fun captureComposeCollection() {
+    captureRoboImage(
+      filePath = "${roborazziSystemPropertyOutputDirectory()}/manual_compose_collection.png",
+      roborazziOptions = RoborazziOptions(captureType = RoborazziOptions.CaptureType.Dump())
+    ) {
+      LazyColumn {
+        items(items = listOf("Hello", "Compose!")) {
+          Text(it)
+        }
+      }
+    }
+  }
+
   @OptIn(ExperimentalRoborazziApi::class)
   @Test
   fun whenNonTransparentThemeItShouldHaveNonTransparentBackground() {