From 07904779ab2befd3abda5c2312051dab167d3351 Mon Sep 17 00:00:00 2001 From: Adam Soltys Date: Mon, 19 Oct 2026 22:32:54 -0700 Subject: tools/pager-prime-test.js: the next clip's warm player plays a moment unheard, waits a frame or two in at full volume, and plays with sound when swiped to. Co-Authored-By: Claude Opus 5.5 Claude-Session: https://claude.ai/code/session_013ZDf1cyCQLkfjftYhymZAg --- tools/pager-prime-test.js | 131 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 tools/pager-prime-test.js (limited to 'tools') diff --git a/tools/pager-prime-test.js b/tools/pager-prime-test.js new file mode 100644 index 0000000..7263ee1 --- /dev/null +++ b/tools/pager-prime-test.js @@ -0,0 +1,131 @@ +// A warm player's sound is started before the swipe lands (an Android +// phone held a still picture ~250 ms on a player's first play with sound): +// the next clip plays at a volume nobody hears until its picture moves, +// and pauses there, a frame or two in — not seeked back. Clips over 25 MB +// aren't (once played, a player reads the whole file): pager-eager-test. +// Run: bun tools/pager-prime-test.js +// +// (adapted from pager-eager-test:) +// Flipping through clips in the pager is asking to watch them: a clip plays +// at once whatever it costs — even one over the size budget, which in the +// feed waits under a tap-to-play cover — and the next two get a head start: +// their opening fetched into the cache, no more of a big file than that, and +// the player takes it from there. How much: a couple of seconds' worth of +// the clip on a link well ahead of its bitrate (the second clip ahead, half +// that); on a link slower than the clip, more — to the 4 MB cap. With Data +// Saver on, the pager is careful again: such a clip waits for a tap and +// nothing loads ahead. +import puppeteer from './puppeteer.js'; +import { cacheKeyFor } from '../src/wallet.js'; +import { generateSecretKey, getPublicKey, finalizeEvent } from 'nostr-tools/pure'; +import { buildHtml } from '../build.js'; +import { existsSync, statSync } from 'node:fs'; +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; }; + +// small clips with sound (a tone), ~2 MB each: under the 25 MB a warm player is primed up to +const BIG = '/tmp/coinos-prime-small.webm'; +if (!existsSync(BIG)) Bun.spawnSync(['ffmpeg', '-y', '-loglevel', 'error', '-f', 'lavfi', '-i', 'testsrc=s=180x320:r=15', '-f', 'lavfi', '-i', 'sine=f=440', '-t', '50', '-c:v', 'libvpx', '-b:v', '300k', '-c:a', 'libvorbis', BIG]); +const SIZE = statSync(BIG).size; +const FILE = new Uint8Array(await Bun.file(BIG).arrayBuffer()); +const NAMES = ['c0', 'c1', 'c2', 'c3', 'c4']; + +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 }); +// every request for a clip's bytes: who asked (the player, or a fetch), the +// range, and the bytes actually sent (pulled by the reader, in 64 KB pieces) +let log = []; +let pace = 0; // bytes a second the server sends a clip at (0: as fast as it can) — a slow link +const server = Bun.serve({ port: 0, idleTimeout: 60, fetch: (req) => { + const path = new URL(req.url).pathname; + const m = /^\/(c\d)\.webm$/.exec(path); + if (m) { + const headers = { 'content-type': 'video/webm', 'accept-ranges': 'bytes', etag: '"' + m[1] + '-v1"', 'last-modified': 'Mon, 05 Oct 2026 00:00:00 GMT', 'cache-control': 'public, max-age=3600' }; + if (req.method === 'HEAD') return new Response(null, { headers: { ...headers, 'content-length': String(SIZE) } }); + const rg = /bytes=(\d+)-(\d*)/.exec(req.headers.get('range') || ''); + const start = rg ? +rg[1] : 0, end = rg && rg[2] ? Math.min(+rg[2], SIZE - 1) : SIZE - 1; + const entry = { clip: m[1], dest: req.headers.get('sec-fetch-dest') || '', start, end, sent: 0 }; + log.push(entry); + let at = start; + const t0 = Date.now(); + const body = new ReadableStream({ async pull(ctl) { + if (at > end) { ctl.close(); return; } + if (pace) { const due = t0 + ((at - start) / pace) * 1000; if (due > Date.now()) await new Promise((r) => setTimeout(r, due - Date.now())); } + const n = Math.min(65536, end - at + 1); + ctl.enqueue(FILE.subarray(at, at + n)); at += n; entry.sent += n; + } }, { highWaterMark: 0 }); + return new Response(body, { status: rg ? 206 : 200, headers: { ...headers, 'content-length': String(end - start + 1), ...(rg ? { 'content-range': `bytes ${start}-${end}/${SIZE}` } : {}) } }); + } + if (path.startsWith('/punks') || path === '/verify-worker.js') return new Response(Bun.file('dist' + path)); + return new Response(html, { headers: { 'content-type': 'text/html' } }); +} }); +const U = (n) => server.url.origin + '/' + n + '.webm'; +const seeded = [ + // each says its size and length (as Primal's and others' imeta do): a bitrate of SIZE / 50 bytes a second + ...NAMES.map((n, i) => finalizeEvent({ kind: 1, created_at: now - 100 - i * 100, tags: [['imeta', 'url ' + U(n), 'm video/webm', 'size ' + SIZE, 'duration 50', 'dim 180x320']], content: 'clip ' + n + ' here ' + U(n) }, SK)), + ...Array.from({ length: 6 }, (_, i) => post('filler ' + i + ' ' + 'lorem ipsum dolor sit amet. '.repeat(5), 900 + i * 60)), +]; +const sent = (clip, dest) => log.filter((e) => e.clip === clip && (!dest || e.dest === dest)).reduce((a, e) => a + e.sent, 0); +const kb = (n) => Math.round(n / 1024) + ' KB'; +const RATE = SIZE / 50, HEAD_MAX = 4 * 1024 * 1024; +const heads = (clip) => log.filter((e) => e.clip === clip && e.dest === 'empty'); +const near = (a, b) => Math.abs(a - b) <= b * 0.02 + 1; + +const browser = await puppeteer.launch({ executablePath: '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox', '--autoplay-policy=no-user-gesture-required'] }); +async function run() { + log = []; + const ctx = await browser.createBrowserContext(); + const page = await ctx.newPage(); + await page.evaluateOnNewDocument(() => { + const Real = window.WebSocket; + window.WebSocket = function (...a) { const ws = new Real(...a); const send = ws.send.bind(ws); ws.send = (d) => { try { const m = JSON.parse(d); if (m[0] === 'REQ') { setTimeout(() => ws.dispatchEvent(new MessageEvent('message', { data: JSON.stringify(['EOSE', m[1]]) })), 0); return; } if (m[0] === 'EVENT') return; } catch {} return send(d); }; return ws; }; + window.WebSocket.prototype = Real.prototype; Object.assign(window.WebSocket, Real); + }); + 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 vid = (n) => page.evaluate((n) => { const s = [...document.querySelectorAll('.mp-slide')].find((x) => x.getAttribute('data-k').endsWith('/' + n + '.webm')); const v = s && s.querySelector('video.mp-media'); return v ? { src: !!v.getAttribute('src'), paused: v.paused, t: v.currentTime, volume: v.volume, muted: v.muted } : null; }, n); + try { + await page.setViewport({ width: 390, height: 844 }); + pace = 12_500_000; + 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: 'Prime 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()); + await page.waitForSelector('.notes-feed video.note-video', { timeout: 20000 }); + const r = await page.evaluate(() => { const row = [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('clip c0 here')); row.querySelector('.note-video-box').scrollIntoView({ block: 'center' }); const v = row.querySelector('video.note-video').getBoundingClientRect(); return { x: v.x + v.width * 0.2, y: v.y + v.height * 0.3 }; }); + await sleep(800); + await page.mouse.click(r.x, r.y); + check('the pager opens', await waitFor(() => !!document.querySelector('.media-pager.videos'), null, 4000)); + check('the next clip\'s warm player has played a moment, unheard, and waits paused a frame or two in', await waitFor(() => { const s = [...document.querySelectorAll('.mp-slide')].find((x) => x.getAttribute('data-k').endsWith('/c1.webm')); const v = s && s.querySelector('video.mp-media'); return v && v.paused && v.currentTime >= 0.03 && v.currentTime < 0.6; }, null, 10000), JSON.stringify(await vid('c1'))); + const c1 = await vid('c1'); + check('...its volume back to full, and quiet until it\'s on screen', c1.volume === 1 && c1.muted, JSON.stringify(c1)); + await page.keyboard.press('ArrowDown'); + await waitFor(() => coinosPagerStarts().starts.some((x) => /c1\.webm$/.test(x.url)), null, 5000); + const st = await page.evaluate(() => coinosPagerStarts().starts.find((x) => /c1\.webm$/.test(x.url))); + check('swiped to, it plays with sound, primed', st && st.primed && st.warm && st.ms < 1000 && await page.evaluate(() => { const v = document.querySelector('.mp-cur video.mp-media'); return !v.muted && v.volume === 1 && !v.paused; }), JSON.stringify(st)); + check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | ')); + } finally { await ctx.close(); } +} +try { await run(); } finally { await browser.close(); server.stop(true); } +console.log(ok ? '\n✅ a warm player has its sound going before the swipe lands' : '\n❌ failed'); +process.exit(ok ? 0 : 1); -- cgit v1.2.3