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Code Issues 2 Pull requests 3 Releases 3 Packages Activity

Measure native Discover typography and focus boundaries

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justinzeus 2026-11-05 17:04:45 +01:00
parent 6f430439a6
commit 90e956b157
7 changed files with 87 additions and 11 deletions
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30
wolfskin-design/src/test/java/org/justinvisser/wolfskin/design/DiscoverCaptureTest.kt
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@ -14,6 +14,11 @@ import androidx.compose.ui.graphics.asImageBitmap
import androidx.compose.ui.graphics.painter.BitmapPainter
import androidx.compose.ui.test.junit4.createAndroidComposeRule
import androidx.compose.ui.test.onRoot
import androidx.compose.ui.test.onAllNodesWithText
import androidx.compose.ui.semantics.SemanticsActions
import androidx.compose.ui.text.TextLayoutResult
import org.json.JSONArray
import org.json.JSONObject
import com.github.takahirom.roborazzi.captureRoboImage
import java.io.File
import kotlinx.coroutines.CoroutineScope
@ -41,7 +46,8 @@ class DiscoverCaptureTest {
}
private fun capture(name: String, person: String = "justin", snapshotTransform: (DiscoverSnapshot) -> DiscoverSnapshot = { it }, configure: (DiscoverState) -> Unit = {}) {
val shell = ShellState(fixturePeople(), person).apply { pickerVisible = false; enterDestination("discover") }
val titleState = name.substringAfter("st-").toInt() in setOf(58, 59, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 87, 110)
val shell = ShellState(fixturePeople(), person).apply { pickerVisible = false; enterDestination(if (titleState) "home" else "discover") }
val snapshot = snapshotTransform(fixture.snapshot(person))
val state = DiscoverState(shell, snapshot, RecordingDiscoverOperations(snapshot, person), CoroutineScope(Dispatchers.Main.immediate),
onPush = shell::enterDestination, onPop = { shell.enterDestination("discover") }, serviceLanes = fixture::service)
@ -56,8 +62,28 @@ class DiscoverCaptureTest {
}
rule.mainClock.advanceTimeBy(1000)
rule.waitForIdle()
val directory = File(System.getProperty("wolfskin.captureDirectory")).apply { mkdirs() }
val directory = File(requireNotNull(System.getProperty("wolfskin.captureDirectory"))).apply { mkdirs() }
rule.onRoot().captureRoboImage(File(directory, "$name.png").absolutePath)
recordTypography(directory, name, state)
}
private fun recordTypography(directory: File, name: String, state: DiscoverState) {
val rows = JSONArray()
val labels = listOfNotNull(state.hero?.title, "Request", "For", "Justin (you)", "Hidden picks", "Netflix", "Popular movies")
labels.forEach { text ->
rule.onAllNodesWithText(text, useUnmergedTree = true).fetchSemanticsNodes().forEach { node ->
val layouts = mutableListOf<TextLayoutResult>()
node.config[SemanticsActions.GetTextLayoutResult].action?.invoke(layouts)
layouts.forEach { layout ->
rows.put(JSONObject().put("text", text).put("lines", layout.lineCount)
.put("fontSizeSp", layout.layoutInput.style.fontSize.value).put("fontWeight", layout.layoutInput.style.fontWeight?.weight)
.put("lineHeightSp", layout.layoutInput.style.lineHeight.value).put("trim", layout.layoutInput.style.lineHeightStyle?.trim.toString())
.put("density", layout.layoutInput.density.density).put("fontScale", layout.layoutInput.density.fontScale)
.put("left", node.boundsInRoot.left).put("top", node.boundsInRoot.top).put("width", node.boundsInRoot.width).put("height", node.boundsInRoot.height))
}
}
}
File(directory, "$name-type-metrics.json").writeText(rows.toString(2))
}
@Test fun st029_discover() = capture("st-029")