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test(web): retain failed foreground activation control

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A successful lifecycle resume leaves the diagnostic target hidden. Add an opt-in tab activation observation with explicit visibility and focus assertions so it cannot be mistaken for foreground convergence. Preserve both failed runs and the short timer-sampling limitation; no application or release qualification is claimed.

Change-source: pulse-maintainer
This commit is contained in:
pulse-triage[bot]
2026-09-08 07:41:45 +01:00
parent e696c3ce45
commit 73fd4da42f
2 changed files with 52 additions and 1 deletions
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scripts/check-browser-single-session-control.mjs
+15 -1
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@@ -6,6 +6,7 @@ import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { createRequire } from 'node:module';
import { chromium } from '@playwright/test';
const checkForeground = process.argv.includes('--foreground');
const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
const profile = await mkdtemp(join(tmpdir(), 'pulse-lifecycle-'));
const child = spawn(chromium.executablePath(), ['--headless', '--no-sandbox',
@@ -83,13 +84,26 @@ try {
const resume = after.events.find(e => e.type === 'resume');
const suspended = Boolean(freeze && resume && freeze.ticks === resume.ticks &&
after.events.indexOf(freeze) < after.events.indexOf(resume) && after.ticks > resume.ticks);
const result = { focusEnabled, before, after, commands, suspended };
// Resume is not foreground activation. Observe the two transitions separately.
let foreground;
if (checkForeground) {
await command('Page.bringToFront', {});
await wait(250);
foreground = await evaluate(snapshot);
}
const result = { focusEnabled, before, after, foreground, commands, suspended };
results.push(result); console.log(JSON.stringify(result));
} finally { await send('Target.closeTarget', { targetId }); }
}
assert.ok(!results[0].suspended && results[0].after.ticks - results[0].before.ticks >= 20,
'Negative control must continue ticking');
assert.ok(results[1].suspended, 'Positive control must suspend and resume timers');
if (checkForeground) {
assert.ok(results[1].foreground.visibility === 'visible' && results[1].foreground.focus,
'Positive control must return to visible and focused after tab activation');
assert.ok(results[1].foreground.ticks > results[1].after.ticks,
'Foreground timer must continue advancing');
}
} finally {
socket?.close();
const exited = new Promise(resolve => child.once('exit', resolve));