1 files changed, 117 insertions, 0 deletions
diff --git a/tools/feed-video-aspect-test.js b/tools/feed-video-aspect-test.js
new file mode 100644
index 0000000..214b977
--- /dev/null
+++ b/tools/feed-video-aspect-test.js
@@ -0,0 +1,117 @@
+// A video in the feed paints at its own shape, not a 16:9 frame with black
+// bands either side: from the post's imeta `dim` when it says, else from the
+// clip's metadata fetched before the row is admitted. A clip with no known
+// shape still gets the 16:9 box.
+// Run: bun tools/feed-video-aspect-test.js   (CHROME=<path> to pick a browser)
+import puppeteer from 'puppeteer-core';
+import { cacheKeyFor } from '../src/wallet.js';
+import { generateSecretKey, getPublicKey, finalizeEvent } from 'nostr-tools/pure';
+import { buildHtml } from '../build.js';
+import { mkdtempSync } from 'fs';
+import { tmpdir } from 'os';
+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 dir = mkdtempSync(tmpdir() + '/vid-');
+const clip = (name, size) => {
+  const p = Bun.spawnSync(['ffmpeg', '-y', '-loglevel', 'error', '-f', 'lavfi', '-i', `testsrc=size=${size}:rate=10`, '-t', '1',
+    '-c:v', 'libx264', '-pix_fmt', 'yuv420p', '-movflags', '+faststart', `${dir}/${name}`]);
+  if (p.exitCode !== 0) throw new Error('ffmpeg failed');
+};
+clip('tall.mp4', '360x480'); clip('wide.mp4', '640x360'); clip('told.mp4', '360x640');
+
+const html = await buildHtml({ minify: true, pwa: false });
+const server = Bun.serve({ port: 0, idleTimeout: 30, fetch: async (req) => {
+  const path = new URL(req.url).pathname;
+  // this one's metadata arrives too late for a probe: only the imeta dim can shape it
+  if (path === '/v/told.mp4') await sleep(6000);
+  if (path.startsWith('/v/')) return new Response(Bun.file(dir + path.slice(2)), { headers: { 'content-type': 'video/mp4' } });
+  if (path === '/broken.mp4') return new Response('nope', { status: 404 });
+  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 base = server.url.origin;
+const SK = generateSecretKey(), PK = getPublicKey(SK);
+const now = Math.floor(Date.now() / 1000);
+const post = (i, content, tags = []) => finalizeEvent({ kind: 1, created_at: now - 100 - i * 60, tags, content }, SK);
+const notes = [
+  post(0, 'tall clip ' + base + '/v/tall.mp4'),
+  post(1, 'wide clip ' + base + '/v/wide.mp4'),
+  // imeta says 9:16; the file is too, but the probe must not be needed
+  post(2, 'told clip ' + base + '/v/told.mp4', [['imeta', 'url ' + base + '/v/told.mp4', 'm video/mp4', 'dim 1080x1920']]),
+  post(3, 'broken clip ' + base + '/broken.mp4'),
+];
+
+const browser = await puppeteer.launch({ executablePath: process.env.CHROME || '/usr/bin/google-chrome', headless: 'new', args: ['--no-sandbox', '--autoplay-policy=no-user-gesture-required'] });
+const page = await browser.newPage();
+const videoReqs = [];
+page.on('request', (r) => { if (/\/v\/told\.mp4/.test(r.url())) videoReqs.push(Date.now()); });
+await page.evaluateOnNewDocument(() => {
+  // no autoplay: a clip that played keeps its first box, and this test is
+  // about the box the settled feed row paints
+  HTMLMediaElement.prototype.play = function () { return Promise.reject(new Error('no autoplay in this test')); };
+  const Real = window.WebSocket;
+  window.WebSocket = function (...a) {
+    const ws = new Real(...a);
+    const send = ws.send.bind(ws);
+    ws.send = (data) => {
+      try {
+        const m = JSON.parse(data);
+        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(data);
+    };
+    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; };
+// each clip's box, as painted in the feed (before any metadata of its own)
+const boxes = () => page.evaluate(() => Object.fromEntries([...document.querySelectorAll('.notes-feed video.note-video')].map((v) => {
+  const r = v.getBoundingClientRect();
+  return [(v.getAttribute('src') || v.getAttribute('data-lazy-src') || '').split('/').pop(), { w: Math.round(r.width), h: Math.round(r.height), style: v.getAttribute('style') }];
+})));
+
+try {
+  await page.setViewport({ width: 390, height: 844 });
+  await page.goto(base, { 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 key = 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: 'Clipper', t: Date.now() } }));
+    localStorage.setItem('btc-wallet-feed', 'following');
+  }, [key, PK, notes]);
+  await page.reload({ waitUntil: 'domcontentloaded' });
+  await waitText('receive', 20000);
+  videoReqs.length = 0;
+  await page.evaluate(() => [...document.querySelectorAll('.app-nav-button, button')].find((b) => b.textContent.trim() === 'Feed')?.click());
+  await page.waitForSelector('.notes-feed:not([data-booting]) video.note-video', { timeout: 20000 });
+  const b = await boxes();
+  const ratio = (x) => x && x.h ? +(x.w / x.h).toFixed(2) : 0;
+  check('a 3:4 clip, measured ahead, paints at 3:4 full width', ratio(b['tall.mp4']) === 0.75 && b['tall.mp4'].w > 300 && /aspect-ratio:360\/480/.test(b['tall.mp4'].style || ''), JSON.stringify(b['tall.mp4']));
+  check('a 16:9 clip stays 16:9', Math.abs(ratio(b['wide.mp4']) - 1.78) < 0.02 && /aspect-ratio:640\/360/.test(b['wide.mp4'].style || ''), JSON.stringify(b['wide.mp4']));
+  check('a clip whose post gives imeta dim paints at that shape, without waiting on the file', Math.abs(ratio(b['told.mp4']) - 0.56) < 0.02 && /aspect-ratio:1080\/1920/.test(b['told.mp4'].style || ''), JSON.stringify(b['told.mp4']));
+  check('...capped at three quarters of the screen height', b['told.mp4'] && b['told.mp4'].h <= Math.ceil(844 * 0.75) + 1, JSON.stringify(b['told.mp4']));
+  check('a clip that will not load keeps the 16:9 box', /aspect-ratio:16\/9/.test(b['broken.mp4']?.style || ''), JSON.stringify(b['broken.mp4']));
+  await sleep(1500);
+  check('shapes are remembered on the device', await page.evaluate(() => (JSON.parse(localStorage.getItem('coinos-video-dims') || '[]')).length >= 3));
+  check('no page errors', errs.length === 0, errs.join('; ').slice(0, 300));
+} catch (e) {
+  console.log('✗ threw', e.stack); ok = false;
+} finally {
+  await browser.close(); server.stop(true);
+}
+console.log(ok ? '\n✅ feed videos paint at their own shape' : '\n❌ failed');
+process.exit(ok ? 0 : 1);