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test: poll smoke_preloader's reduced-motion phase from Playwright, with navigation diagnostics

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The beta.9 candidate failed the same phase twice in CI with "Resulting
promise was garbage collected" (runs 34346813552, 34347910231) while it
passes locally; a timer guard did not help, which points at a destroyed
context rather than a starved animation-frame chain. The wait now runs as
page.waitForFunction with raf polling, and the smoke logs frame navigations
and page crashes as `diagnostic …` lines so the next failure names its
cause. Verdict unchanged (animationName of the boot house, or 'missed').
Pre-release gate repair per PROCESS §11.4; locally OK ×2.

Issue: #506
User-Visible: no
Release: v1.73.0-beta.9
This commit is contained in:
Codex
2026-09-09 15:05:46 +03:00
parent 581d165bda
commit 43809178ee
1 changed files with 17 additions and 21 deletions
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demo/smoke_preloader.mjs
+17 -21
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@@ -118,35 +118,31 @@ check('kioskNoVeil', kiosk.kioskNoVeil);
check('kioskPlanNeverHidden', kiosk.kioskPlanNeverHidden);
// ---------- phase 3: prefers-reduced-motion → the house does not pulse ----------
// The wait lives on the Playwright side: an in-page promise that only a
// requestAnimationFrame chain keeps alive was reported as "garbage collected"
// on a CI runner (#506 beta.9 candidate) while the same phase passed locally.
// Polling from outside cannot be collected, and a destroyed context or a
// navigation surfaces as its own error instead of a vanished promise.
page.on('framenavigated', (frame) => console.log('diagnostic navigation:', frame.url()));
page.on('crash', () => console.log('diagnostic page crash'));
await page.emulateMedia({ reducedMotion: 'reduce' });
const reduced = await page.evaluate(async () => {
await page.evaluate(() => {
customElements.get('houseplan-card')?._warmBootReset?.(); // DEV-B703: this scenario simulates a COLD first open — forget the page's warm re-mount memo
const c = document.createElement('houseplan-card');
c.setConfig({ type: 'custom:houseplan-card' });
c.hass = window.__card.hass;
c.style.cssText = 'position:fixed;left:0;top:0;width:800px;z-index:99';
document.body.appendChild(c);
const sr = () => c.shadowRoot || c.renderRoot;
const t0 = performance.now();
let anim = 'missed';
await new Promise((done) => {
// A timer keeps this promise reachable even if the renderer withholds
// animation frames for a while (a CI runner under load once let the
// rAF-only chain be garbage-collected mid-wait); the verdict stays the
// same: the house is found, or `anim` remains 'missed'.
const settle = () => { clearTimeout(guard); done(); };
const guard = setTimeout(settle, 700);
const tick = () => {
const house = sr().querySelector('.bootveil .boothouse');
if (house) { anim = getComputedStyle(house).animationName; settle(); return; }
if (performance.now() - t0 < 500) requestAnimationFrame(tick);
else settle();
};
requestAnimationFrame(tick);
});
c.remove();
return { anim };
window.__preloaderReduced = { card: c, started: performance.now() };
});
const reduced = await page.waitForFunction(() => {
const probe = window.__preloaderReduced;
const root = probe.card.shadowRoot || probe.card.renderRoot;
const house = root?.querySelector('.bootveil .boothouse');
if (house) return { anim: getComputedStyle(house).animationName };
return performance.now() - probe.started > 500 ? { anim: 'missed' } : null;
}, null, { polling: 'raf', timeout: 5000 }).then((handle) => handle.jsonValue());
await page.evaluate(() => { window.__preloaderReduced.card.remove(); delete window.__preloaderReduced; });
check('reducedMotionStaticHouse', reduced.anim, 'none');
await finish(browser, { ...res, ...kiosk, ...reduced });