1 files changed, 129 insertions, 0 deletions
diff --git a/tools/pager-tap-slop-test.js b/tools/pager-tap-slop-test.js
new file mode 100644
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+++ b/tools/pager-tap-slop-test.js
@@ -0,0 +1,129 @@
+// A tap on a clip in the pager is a tap even if the finger moves a little:
+// the browser takes a touch that moves a few pixels for a scroll (no click,
+// and a quick one could fling the pager on). A touch that travels less than
+// 30px pauses (or plays) the clip and leaves the pager where it was; only a
+// longer one pages.
+// Run: bun tools/pager-tap-slop-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';
+import { existsSync } 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; };
+const clip = (name, size) => {
+  const f = '/tmp/coinos-vpager-' + name + '.webm';
+  if (!existsSync(f)) Bun.spawnSync(['ffmpeg', '-y', '-loglevel', 'error', '-f', 'lavfi', '-i', 'testsrc=size=' + size + ':rate=10', '-t', '30', '-c:v', 'libvpx', '-b:v', '100k', f]);
+  return f;
+};
+const CLIPS = { wide: clip('wide', '320x180'), tall: clip('tall', '180x320'), last: clip('last', '240x240') };
+
+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: (req) => {
+  const path = new URL(req.url).pathname;
+  const m = /^\/(wide|tall|last)\.webm$/.exec(path);
+  if (m) return new Response(Bun.file(CLIPS[m[1]]), { headers: { 'content-type': 'video/webm' } });
+  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 = [
+  post('a wide one ' + U('wide'), 100),
+  post('a tall one ' + U('tall'), 200),
+  post('only words here, nothing to watch', 300),
+  post('the last clip ' + U('last'), 400),
+  ...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', '--autoplay-policy=no-user-gesture-required'] });
+const page = await browser.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);
+  screen.orientation.lock = () => Promise.resolve(); screen.orientation.unlock = () => {};
+});
+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 st = () => page.evaluate(() => { const s = [...document.querySelectorAll('.mp-slide')].find((x) => { const r = x.getBoundingClientRect(); return Math.abs(r.top) < 4 && Math.abs(r.left) < 4; }); const v = s && s.querySelector('video.mp-media'); return { on: s ? s.getAttribute('data-k').split('/').pop() : 'between', paused: v ? v.paused : null, show: !!document.querySelector('.media-pager.show') }; });
+// a touch from (x, y) that moves dy (and dx) over a few steps, quickly
+const drag = async (x, y, dx, dy, steps = 3) => {
+  await page.touchscreen.touchStart(x, y);
+  for (let i = 1; i <= steps; i++) { await page.touchscreen.touchMove(x + dx * i / steps, y + dy * i / steps); await sleep(16); }
+  await page.touchscreen.touchEnd();
+  await sleep(900);
+};
+try {
+  await page.setViewport({ width: 390, height: 844, hasTouch: true });
+  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: 'Clip 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 });
+  await page.evaluate(() => [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('a tall one')).querySelector('video.note-video').scrollIntoView({ block: 'center' }));
+  await sleep(1200);
+  const at = await page.evaluate(() => { const b = [...document.querySelectorAll('.notes-feed [data-key]')].find((n) => n.textContent.includes('a tall one')).querySelector('video.note-video').getBoundingClientRect(); return { x: b.x + b.width * 0.2, y: b.y + b.height * 0.3 }; });
+  await page.touchscreen.tap(at.x, at.y);
+  check('the pager opens on the clip', await waitFor(() => !!document.querySelector('.media-pager.videos'), null, 4000));
+  await waitFor(() => { const v = document.querySelector('.media-pager video[src]'); return v && !v.paused && v.currentTime > 0.5; }, null, 8000);
+  await sleep(1000); // past the opening tap's own click
+  let s = await st();
+  check('it plays', s.on === 'tall.webm' && s.paused === false, JSON.stringify(s));
+
+  console.log('\n[a tap whose finger drifts]');
+  await drag(195, 420, 0, -18);
+  s = await st();
+  check('18px up: a tap — the clip pauses', s.paused === true, JSON.stringify(s));
+  check('…on the slide it was on', s.on === 'tall.webm', JSON.stringify(s));
+  await drag(195, 420, 6, 14);
+  s = await st();
+  check('14px down and a little across: a tap — it plays on, still there', s.paused === false && s.on === 'tall.webm', JSON.stringify(s));
+  await drag(195, 420, 0, -25, 1);
+  s = await st();
+  check('a quick 25px flick: still a tap — paused, not paged', s.paused === true && s.on === 'tall.webm', JSON.stringify(s));
+  await drag(195, 420, 0, 0, 1);
+  s = await st();
+  check('a still tap plays it again', s.paused === false && s.on === 'tall.webm', JSON.stringify(s));
+
+  console.log('\n[a swipe is still a swipe]');
+  await drag(195, 650, 0, -320, 8);
+  s = await st();
+  check('a 320px swipe up: the next post', s.on !== 'tall.webm' && s.on !== 'between', JSON.stringify(s));
+  const was = s.on;
+  await drag(195, 500, 0, 300, 8);
+  s = await st();
+  check('a 300px swipe down: back a post', s.on === 'tall.webm', JSON.stringify(s));
+  // a slow, short drag (past a tap, short of a fifth of the screen): back where it was
+  await page.touchscreen.touchStart(195, 500);
+  for (let i = 1; i <= 10; i++) { await page.touchscreen.touchMove(195, 500 - 7 * i); await sleep(60); }
+  await sleep(200); await page.touchscreen.touchEnd(); await sleep(900);
+  s = await st();
+  check('a slow 70px drag springs back', s.on === 'tall.webm', JSON.stringify(s));
+  await drag(195, 500, 0, -80, 2);
+  s = await st();
+  check('a quick 80px flick up: the next post', s.on === was, JSON.stringify(s));
+  check('no page errors', errs.length === 0, errs.slice(0, 2).join(' | '));
+} finally { await browser.close(); server.stop(true); }
+console.log(ok ? '\n✅ a little movement is still a tap' : '\n❌ failed');
+process.exit(ok ? 0 : 1);