test(gallery): commit the CDP behavioral probes

The full-regression and screen-family probes lived in session scratch; the widgets.js extraction uses them as its per-batch no-regression gate, so they become repo tooling.

1 files changed, 119 insertions, 0 deletions

diff --git a/tests/gallery-probes/probe.mjs b/tests/gallery-probes/probe.mjs
new file mode 100644
index 0000000..457ecf3
--- /dev/null
+++ b/tests/gallery-probes/probe.mjs
@@ -0,0 +1,119 @@
+// CDP probe for the widget gallery — no playwright, Node global WebSocket/fetch.
+// Usage: node probe.mjs [--shot out.png] [--size N]
+import { spawn } from 'node:child_process';
+import { writeFileSync } from 'node:fs';
+
+const PORT = 9333;
+const URL = 'file:///home/cjennings/code/archsetup/docs/prototypes/panel-widget-gallery.html';
+const shotIdx = process.argv.indexOf('--shot');
+const shotPath = shotIdx > -1 ? process.argv[shotIdx + 1] : null;
+
+const chrome = spawn('google-chrome-stable', [
+  '--headless=new', `--remote-debugging-port=${PORT}`,
+  '--no-first-run', '--no-default-browser-check',
+  '--window-size=1600,1200', URL,
+], { stdio: 'ignore' });
+
+const sleep = ms => new Promise(r => setTimeout(r, ms));
+let ws, id = 0;
+const pending = new Map();
+const events = [];
+
+async function connect() {
+  for (let i = 0; i < 40; i++) {
+    try {
+      const list = await (await fetch(`http://127.0.0.1:${PORT}/json`)).json();
+      const page = list.find(t => t.type === 'page' && t.url.startsWith('file'));
+      if (page) { ws = new WebSocket(page.webSocketDebuggerUrl); break; }
+    } catch { /* retry */ }
+    await sleep(250);
+  }
+  if (!ws) throw new Error('no page target');
+  await new Promise(r => ws.onopen = r);
+  ws.onmessage = m => {
+    const d = JSON.parse(m.data);
+    if (d.id && pending.has(d.id)) { pending.get(d.id)(d); pending.delete(d.id); }
+    else if (d.method) events.push(d);
+  };
+}
+function send(method, params = {}) {
+  return new Promise(res => { const i = ++id; pending.set(i, res); ws.send(JSON.stringify({ id: i, method, params })); });
+}
+async function evl(expr) {
+  const r = await send('Runtime.evaluate', { expression: expr, returnByValue: true });
+  if (r.result.exceptionDetails) throw new Error('eval failed: ' + JSON.stringify(r.result.exceptionDetails.exception?.description || r.result.exceptionDetails.text));
+  return r.result.result.value;
+}
+async function drag(x1, y1, x2, y2) {
+  await send('Input.dispatchMouseEvent', { type: 'mousePressed', x: x1, y: y1, button: 'left', clickCount: 1 });
+  const steps = 8;
+  for (let i = 1; i <= steps; i++)
+    await send('Input.dispatchMouseEvent', { type: 'mouseMoved', x: x1 + (x2 - x1) * i / steps, y: y1 + (y2 - y1) * i / steps, button: 'left' });
+  await send('Input.dispatchMouseEvent', { type: 'mouseReleased', x: x2, y: y2, button: 'left', clickCount: 1 });
+}
+
+const fails = [];
+const ok = (name, cond, detail = '') => { console.log(`${cond ? 'PASS' : 'FAIL'} ${name}${detail ? ' — ' + detail : ''}`); if (!cond) fails.push(name); };
+
+try {
+  await connect();
+  await send('Runtime.enable');
+  await send('Page.enable');
+  await sleep(1500);
+
+  // 0. console errors / exceptions
+  const errs = events.filter(e => e.method === 'Runtime.exceptionThrown');
+  ok('no exceptions on load', errs.length === 0, errs.map(e => e.params.exceptionDetails?.exception?.description).join('; ').slice(0, 200));
+
+  // 1. defaults: size=3, 84 cards
+  ok('default size 3', await evl(`document.body.dataset.size`) === '3');
+  const cards = await evl(`document.querySelectorAll('.card').length`);
+  ok('109 cards', cards === 109, `got ${cards}`);
+
+  // 2. zoom actually scales: card visual width at 3x vs 1x
+  const w3 = await evl(`document.querySelector('.card').getBoundingClientRect().width`);
+  await evl(`document.querySelector('.szbar .key[data-sz="1"]').click()`);
+  const w1 = await evl(`document.querySelector('.card').getBoundingClientRect().width`);
+  ok('3x wider than 1x', w3 > w1 * 1.8, `w3=${Math.round(w3)} w1=${Math.round(w1)}`);
+  ok('size chip flips state', await evl(`document.body.dataset.size`) === '1');
+
+  // 3. behavioral at 3x: fader drag on card 03 (horizontal fader) changes readout
+  await evl(`document.querySelector('.szbar .key[data-sz="3"]').click()`);
+  await evl(`document.querySelectorAll('.card')[2].scrollIntoView({block:'center'}); ''`);
+  await sleep(200);
+  const fr = await evl(`(()=>{const c=document.querySelectorAll('.card')[2];const f=c.querySelector('.fader');const r=f.getBoundingClientRect();return [r.left,r.top,r.width,r.height];})()`);
+  const before = await evl(`document.getElementById('rd-03').textContent`);
+  await drag(fr[0] + fr[2] * 0.2, fr[1] + fr[3] / 2, fr[0] + fr[2] * 0.9, fr[1] + fr[3] / 2);
+  await sleep(150);
+  const after = await evl(`document.getElementById('rd-03').textContent`);
+  ok('fader drag tracks at 3x', before !== after && after !== '—', `'${before}' -> '${after}'`);
+
+  // 4. behavioral at 3x: toggle click on card 01
+  await evl(`document.querySelectorAll('.card')[0].scrollIntoView({block:'center'}); ''`);
+  await sleep(200);
+  const sw = await evl(`(()=>{const c=document.querySelectorAll('.card')[0];const s=c.querySelector('.switch')||c.querySelector('.stagew > *');const r=s.getBoundingClientRect();return [r.left+r.width/2,r.top+r.height/2];})()`);
+  const t0 = await evl(`document.getElementById('rd-01').textContent`);
+  await send('Input.dispatchMouseEvent', { type: 'mousePressed', x: sw[0], y: sw[1], button: 'left', clickCount: 1 });
+  await send('Input.dispatchMouseEvent', { type: 'mouseReleased', x: sw[0], y: sw[1], button: 'left', clickCount: 1 });
+  await sleep(150);
+  const t1 = await evl(`document.getElementById('rd-01').textContent`);
+  ok('toggle click responds at 3x', t0 !== t1, `'${t0}' -> '${t1}'`);
+
+  // late exceptions from interactions
+  const errs2 = events.filter(e => e.method === 'Runtime.exceptionThrown');
+  ok('no exceptions after interaction', errs2.length === 0);
+
+  if (shotPath) {
+    await evl(`window.scrollTo(0,0)`);
+    await sleep(300);
+    const shot = await send('Page.captureScreenshot', { format: 'png' });
+    writeFileSync(shotPath, Buffer.from(shot.result.data, 'base64'));
+    console.log('shot: ' + shotPath);
+  }
+} catch (e) {
+  console.error('PROBE ERROR: ' + e.message);
+  fails.push('probe-error');
+} finally {
+  chrome.kill();
+}
+process.exit(fails.length ? 1 : 0);