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// The picture pager works like the video pager (Adam, 2026-10-17: "image
// pager should work similar. we need the tall only chip there too"): a
// picture post joins the carousel once its picture is decoded, so a step
// passes over one still on its way; the shapes the wrong way round for
// the screen stay out, with the "Tall only" / "All shapes" toggle in the
// top bar; and with fewer than ten ready and more still warming, no
// counter shows and a flick goes one post. Run: bun tools/picture-pager-ready-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;
// t1..t4 tall, w1 wide, sq square; slow (tall) is held back until released
const PICS = { t1: png('300x400'), t2: png('300x420'), slow: png('300x440'), t3: png('300x460'), w1: png('480x270'), sq: png('320x320'), t4: png('300x480') };
let release; const held = new Promise((r) => (release = r));
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 server = Bun.serve({ port: 0, fetch: async (req) => {
const path = new URL(req.url).pathname;
if (path.startsWith('/punks')) return new Response(Bun.file('dist' + path));
const m = /^\/(\w+)\.png$/.exec(path);
if (m && PICS[m[1]]) { if (m[1] === 'slow') await held; return new Response(PICS[m[1]], { headers: { 'content-type': 'image/png', 'cache-control': 'no-store' } }); }
return new Response(html, { headers: { 'content-type': 'text/html' } });
} });
const U = (n) => server.url.origin + '/' + n + '.png';
const ORDER = ['t1', 'slow', 't2', 'w1', 'sq', 't3', 't4'];
const seeded = ORDER.map((n, i) => post('picture ' + n + ' ' + U(n), 100 + i * 100));
const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox'] });
const page = await browser.newPage();
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 name = (k) => k.split('|')[1].split('/').pop().replace('.png', '');
const carousel = () => page.evaluate(() => [...document.querySelectorAll('.mp-scroll > .mp-group:not(.mp-wait):not(.mp-off)')].map((g) => g.querySelector('.mp-slide').getAttribute('data-k').split('/').pop().replace('.png', '')).join(' '));
const cur = () => page.evaluate(() => { const s = document.querySelector('.mp-slide.mp-cur'); return s ? s.getAttribute('data-k').split('/').pop().replace('.png', '') : null; });
const resting = (n) => waitFor((n) => { const s = [...document.querySelectorAll('.mp-slide')].find((x) => { const r = x.getBoundingClientRect(); return Math.abs(r.top) < 2 && Math.abs(r.left) < 2; }); return !!s && s.getAttribute('data-k').endsWith('/' + n + '.png'); }, n, 5000);
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 posts are in the feed', await waitFor(() => document.querySelectorAll('.notes-feed [data-key]').length >= 7, null, 20000));
await waitFor(() => !!document.querySelector('.notes-feed img.note-img'), null, 10000);
await page.evaluate(() => { const r = [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('picture t1')); r.scrollIntoView({ block: 'center' }); });
await sleep(400);
const at = await page.evaluate(() => { const r = [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('picture t1')); const i = r.querySelector('img.note-img').getBoundingClientRect(); return { x: i.x + i.width / 2, y: i.y + i.height / 2 }; });
await page.mouse.click(at.x, at.y);
check('the first picture opens in the pager', await waitFor(() => !!document.querySelector('.media-pager .mp-slide'), null, 4000) && await resting('t1'), await cur());
console.log('\n[a picture joins once decoded]');
check('the pictures decoded join: t2, t3, t4 and the square', await waitFor(() => document.querySelectorAll('.mp-scroll > .mp-group:not(.mp-wait):not(.mp-off)').length >= 5, null, 8000), await carousel());
check('the one still on its way waits out of the carousel', !(await carousel()).includes('slow'), await carousel());
check('the wide one is out for its shape', !(await carousel()).includes('w1'), await carousel());
check('with fewer than ten ready and one still warming, no counter shows', await page.evaluate(() => getComputedStyle(document.querySelector('.mp-position')).visibility === 'hidden'));
await page.keyboard.press('ArrowDown');
check('down from t1 passes over it, to t2', await resting('t2'), await cur());
release();
check('once it has come, it joins, above the one on screen', await waitFor(() => /t1 slow t2/.test([...document.querySelectorAll('.mp-scroll > .mp-group:not(.mp-wait):not(.mp-off)')].map((g) => g.querySelector('.mp-slide').getAttribute('data-k').split('/').pop().replace('.png', '')).join(' ')), null, 8000), await carousel());
check('…without moving it', await resting('t2'), await cur());
check('everything in, the counter shows: 3 / 6', await waitFor(() => getComputedStyle(document.querySelector('.mp-position')).visibility === 'visible' && document.querySelector('.mp-position').textContent === '3 / 6', null, 3000), await page.evaluate(() => document.querySelector('.mp-position').textContent));
await page.keyboard.press('ArrowUp');
check('up lands on it', await resting('slow'), await cur());
console.log('\n[the shape toggle in the picture pager]');
const label = await page.evaluate(() => document.querySelector('.media-pager .mp-fit')?.textContent);
check('the top bar has the toggle, saying tall only', label === 'Tall only', String(label));
check('…as tall as the close button', await page.evaluate(() => document.querySelector('.mp-fit').offsetHeight === document.querySelector('.mp-x').offsetHeight));
await page.evaluate(() => document.querySelector('.mp-fit').click());
check('tapped: the wide picture joins', await waitFor(() => [...document.querySelectorAll('.mp-scroll > .mp-group:not(.mp-wait):not(.mp-off)')].some((g) => /w1\.png$/.test(g.querySelector('.mp-slide').getAttribute('data-k'))), null, 6000), await carousel());
check('…and the toggle says all shapes', (await page.evaluate(() => document.querySelector('.mp-fit').textContent)) === 'All shapes');
check('…the picture on screen stayed put', await resting('slow'), await cur());
await page.evaluate(() => document.querySelector('.mp-fit').click());
check('tapped again: the wide one is out', await waitFor(() => !document.querySelector('.mp-scroll > .mp-group:not(.mp-wait):not(.mp-off) .mp-slide[data-k$="/w1.png"]'), null, 3000), await carousel());
check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | '));
} catch (e) { console.error(e); ok = false; } finally { release(); await browser.close(); server.stop(true); }
console.log(ok ? '\n✅ the picture pager: decoded pictures only, the screen\'s way round, with the toggle' : '\n❌ failed');
process.exit(ok ? 0 : 1);
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