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// A picture whose host is down (its server answers 502, so neither a copy
// nor the original can load) never joins the pager's carousel: a picture
// joins once decoded (2026-10-17), and a step passes over it to the next.
// (Its slide is marked gone, with the host's name, as before — out of sight.) Run: bun tools/pager-gone-picture-test.js
import puppeteer from './puppeteer.js';
import { cacheKeyFor } from '../src/wallet.js';
import { generateSecretKey, getPublicKey, finalizeEvent } from 'nostr-tools/pure';
import { buildHtml } from '../build.js';
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
let ok = true;
const check = (n, c, d = '') => { console.log(` ${c ? '✓' : '✗'} ${n}${d ? ' — ' + d : ''}`); if (!c) ok = false; };
const png = (size) => Bun.spawnSync(['ffmpeg', '-loglevel', 'error', '-f', 'lavfi', '-i', 'testsrc=size=' + size, '-frames:v', '1', '-f', 'image2', '-c:v', 'png', 'pipe:1']).stdout;
const PICS = { big1: png('2400x1800'), big3: png('2000x2000') };
const SK = generateSecretKey(), AUTHOR = getPublicKey(SK);
const now = Math.floor(Date.now() / 1000);
const post = (content, ago) => finalizeEvent({ kind: 1, created_at: now - ago, tags: [], content }, SK);
const html = await buildHtml({ minify: true, pwa: false });
const hits = [];
const server = Bun.serve({ port: 0, fetch: (req) => {
const path = new URL(req.url).pathname;
if (path.startsWith('/punks')) return new Response(Bun.file('dist' + path));
if (path === '/big2.png') { hits.push('big2'); return new Response('Bad Gateway', { status: 502 }); } // the host is down
const m = /^\/(big\d)\.png$/.exec(path);
if (m) { hits.push(m[1]); return new Response(PICS[m[1]], { headers: { 'content-type': 'image/png', 'access-control-allow-origin': '*' } }); }
return new Response(html, { headers: { 'content-type': 'text/html' } });
} });
const U = (n) => server.url.origin + '/' + n + '.png';
const seeded = [post('first big ' + U('big1'), 100), post('second big ' + U('big2'), 200), post('third big ' + U('big3'), 300),
...Array.from({ length: 10 }, (_, i) => post('filler ' + i + ' ' + 'lorem ipsum dolor sit amet. '.repeat(5), 500 + i * 60))];
const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox'] });
const page = await browser.newPage();
await page.evaluateOnNewDocument(() => { try { localStorage.setItem('coinos-clips-fit', 'all'); } catch {} }); // (every shape: this test isn't about the screen's way round)
const errs = [];
page.on('pageerror', (e) => errs.push(String(e)));
const click = (t) => page.evaluate((x) => { const e = [...document.querySelectorAll('button')].find((n) => n.textContent.trim().toLowerCase().includes(x)); if (e) { e.click(); return true; } return false; }, t);
const waitText = async (x, ms = 25000) => { for (let i = 0; i < ms / 250; i++) { if ((await page.evaluate(() => document.body.innerText)).toLowerCase().includes(x)) return true; await sleep(250); } return false; };
const waitFor = async (fn, arg, ms = 10000) => { for (let i = 0; i < ms / 100; i++) { if (await page.evaluate(fn, arg)) return true; await sleep(100); } return false; };
const slides = () => page.evaluate(() => [...document.querySelectorAll('.mp-slide')].map((s) => { const i = s.querySelector('img.mp-media'); const r = s.getBoundingClientRect(); return { k: s.getAttribute('data-k').split('/').pop(), src: (i.getAttribute('src') || '').replace(/^blob:.*/, 'blob:'), cur: s.classList.contains('mp-cur'), willChange: getComputedStyle(i).willChange, on: Math.abs(r.top) < 4 }; }));
try {
await page.setViewport({ width: 390, height: 844 });
await page.goto(server.url.href, { waitUntil: 'domcontentloaded' });
await page.evaluate(() => localStorage.setItem('btc-wallet-network', 'regtest'));
await page.reload({ waitUntil: 'domcontentloaded' });
await sleep(400);
await click('create a new wallet'); await sleep(600);
await page.waitForSelector('.words .w .t');
const mn = (await page.$$eval('.words .w .t', (l) => l.map((e) => e.textContent.trim()))).join(' ');
await click('skip verification');
await waitText('receive', 20000);
const base = cacheKeyFor(mn + '\n');
await page.evaluate(([k, pk, ns]) => {
localStorage.setItem(k + ':follows', JSON.stringify({ tags: [['p', pk]], c: '', at: Math.floor(Date.now() / 1000) }));
localStorage.setItem(k + ':feedNotes', JSON.stringify(ns));
localStorage.setItem(k + ':profiles', JSON.stringify({ [pk]: { name: 'Picture Poster', t: Date.now() } }));
localStorage.setItem('btc-wallet-feed:' + k, 'following');
}, [base, AUTHOR, seeded]);
await page.reload({ waitUntil: 'domcontentloaded' });
await waitText('receive', 20000);
await page.evaluate(() => document.querySelector('.app-nav-button[aria-label="Feed"]').click());
check('the feed paints its copies of the pictures', await waitFor(() => [...document.querySelectorAll('.notes-feed img.note-img')].filter((i) => i.getAttribute('src').startsWith('blob:')).length >= 2, null, 25000));
const at = await page.evaluate(() => { const r = [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('first big')); r.scrollIntoView({ block: 'center' }); const i = r.querySelector('img.note-img').getBoundingClientRect(); return { x: i.x + i.width / 2, y: i.y + i.height / 2 }; });
await sleep(300);
await page.mouse.click(at.x, at.y);
check('the picture opens in the pager', await waitFor(() => !!document.querySelector('.media-pager .mp-slide img.mp-media'), null, 4000));
check('the picture that loads is sharpened at rest', await waitFor(() => { const c = document.querySelector('.mp-slide.mp-cur img.mp-media'); return c && c.getAttribute('src').endsWith('/big1.png'); }, null, 5000));
check('the dead picture\'s post never joins the carousel: both its copy and its original were tried', await waitFor(() => { const s = [...document.querySelectorAll('.mp-slide')].find((x) => x.getAttribute('data-k').endsWith('/big2.png')); const g = s && s.closest('.mp-group'); return !!g && g.classList.contains('mp-wait') && s.classList.contains('mp-gone') && s.querySelector('img.mp-media').getAttribute('src').endsWith('/big2.png'); }, null, 8000));
await page.keyboard.press('ArrowDown');
check('down: past it, to the next picture', await waitFor(() => { const c = document.querySelector('.mp-slide.mp-cur'); return c && c.getAttribute('data-k').endsWith('/big3.png') && !c.classList.contains('mp-gone'); }, null, 4000) && await waitFor(() => document.querySelector('.mp-slide.mp-cur img.mp-media').getAttribute('src').endsWith('/big3.png'), null, 5000), await page.evaluate(() => document.querySelector('.mp-slide.mp-cur')?.getAttribute('data-k')));
check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | '));
} catch (e) { console.error(e); ok = false; } finally { await browser.close(); server.stop(true); }
console.log(ok ? '\n✅ a dead picture is passed over' : '\n❌ failed');
process.exit(ok ? 0 : 1);
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