Android e2e: sectionlist-viewability has failed on every main run since #59490

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Valutazione

Difficoltà
3/5
Tempo stimato
Mezza giornata
Idoneità per principianti
70/100
Tipo di issue
Bug
Chiarezza
Specificata chiaramente
Stato di attività
Attiva
Stack tecnologico
android, react-native
Ambito
mobile, testing

Direzione di ricerca

Start with packages/rn-tester/.maestro/sectionlist-viewability.yml and inspect the horizontal scrollUntilVisible for Cheesecake, then read the SectionList viewability example and its 100% coverage threshold. Reproduce the flow on Android and check how Maestro measures visible bounds. Done when the scroll brings Cheesecake fully on screen and the output lists it reliably.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

Description

Since #59490, packages/rn-tester/.maestro/sectionlist-viewability.yml fails on Android in every attempt, so test_e2e_android_rntester_retry_2 / report fails on every main Test All run and on pull requests (#59057 among them).

#59490 changed the horizontal scrollUntilVisible for Cheesecake from visibilityPercentage: 50 with centerElement: true to visibilityPercentage: 100. On Android, Maestro reads a node's bounds cut to the screen (getVisibleBoundsInScreen intersects getBoundsInScreen with the display), so a Cheesecake cell that still runs past the right edge already counts as 100% visible. The scroll stops there, and the example, whose viewAreaCoveragePercentThreshold is 100, never lists Cheesecake.

Steps to reproduce
  1. Open any main Test All run from 859d9b80db to 7aff712957, for example 40522824983 on 7aff712957.
  2. test_e2e_android_rntester, test_e2e_android_rntester_retry_1 and test_e2e_android_rntester_retry_2 each fail sectionlist-viewability in both the debug and the release job, and test_e2e_android_rntester_retry_2 / report fails.

Expected: the scroll goes on until Cheesecake is fully on screen, and output lists it.
Seen: the scroll stops with the cell cut by the right edge, and output still reads Beer.

All 50 main runs from 859d9b80db to 7aff712957 retried the Android e2e twice, and all 100 retry-2 jobs failed this flow and no other: 97 at the Cheesecake wait and 3 at start_test. The seven runs before #59490 that I checked, from 2026-10-25, never retried it. Runs after 7aff712957 don't reach the e2e, since build_android fails from #59535 on (#59548).

React Native Version

main (7aff712957)

Affected Platforms

Runtime - Android

Output of npx @react-native-community/cli info

Not applicable: this is React Native's own CI, .github/workflows/e2e-android-rntester.yml (Maestro 2.6.1, an API 35 google_apis x86_64 emulator, RNTester's arm64-v8a debug and release APKs).

Stacktrace or Logs

Job 122326947586 (retry 2, release) of run 40522824983:

[Failed] sectionlist-viewability (1m 25s) (Assertion is false: ".*Cheesecake.*", id: output is visible)

The UiAutomator dump in that job's maestro-logs-android-com-facebook-react-uiapp-release-x86_64-NewArch artifact, sectionlist-viewability-failure.xml, on a [0,0][320,640] screen:

<node index="7" text="Beer" resource-id="output" class="android.view.ViewGroup" package="com.facebook.react.uiapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" bounds="[0,91][320,108]" />
<node index="13" text="" resource-id="Cheesecake" class="android.view.ViewGroup" package="com.facebook.react.uiapp" content-desc="Cheesecake" checkable="false" checked="false" clickable="true" enabled="true" focusable="true" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" bounds="[217,128][320,543]">
<node index="0" text="Cheesecake" resource-id="" class="android.view.ViewGroup" package="com.facebook.react.uiapp" content-desc="" checkable="false" checked="false" clickable="false" enabled="true" focusable="false" focused="false" scrollable="false" long-clickable="false" password="false" selected="false" bounds="[237,148][320,181]" />
MANDATORY Reproducer

RNTester's own flow, failing on main: https://github.com/react/react-native/blob/7aff712957204820c6737fb8fbda9fa940f1a48a/packages/rn-tester/.maestro/sectionlist-viewability.yml, since https://github.com/react/react-native/pull/59490

Screenshots and Videos

sectionlist-viewability-failure.png in the same artifact draws the cell's label as "Cheesec", cut by the right edge.

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