{
+          var p = el.parent;
+          var ok = false;
+          while (p) {
+            if (matchCompound(p, bits[0])) { ok = true; break; }
+            p = p.parent;
+          }
+          if (ok && found.indexOf(el) === -1) found.push(el);
+        }
+      }
+    }
+  }
+  found.item = function (i) { return found[i] || null; };
+  return found;
+}
+
+function queryOne(root, selector) {
+  var all = queryAll(root, selector);
+  return all[0] || null;
+}
+
+var html = new El('html');
+html.setAttribute('data-garden-galaxy', 'garden');
+var body = new El('body');
+html.appendChild(body);
+
+var document = {
+  readyState: 'loading',
+  documentElement: html,
+  body: body,
+  createElement: function (tag) { return new El(tag); },
+  getElementById: function (id) { return queryOne(html, '#' + id); },
+  querySelector: function (sel) { return queryOne(html, sel); },
+  querySelectorAll: function (sel) { return queryAll(html, sel); },
+  addEventListener: function () {},
+  insertBefore: function () {}
+};
+
+var fakeNow = 10000;
+function FakeDate() { return {}; }
+FakeDate.now = function () { return fakeNow; };
+
+var windowObj = {
+  addEventListener: function () {},
+  dispatchEvent: function () {},
+  matchMedia: function () { return { matches: false, addListener: function () {} }; },
+  getComputedStyle: function (el) {
+    return { backgroundColor: (el && el.style && el.style.background) || 'rgb(232, 176, 25)' };
+  },
+  FractalGarden: null
+};
+
+var keepCalls = 0;
+var sandbox = {
+  window: windowObj,
+  document: document,
+  localStorage: { getItem: function () { return null; }, setItem: function () {}, removeItem: function () {} },
+  location: { protocol: 'http:', href: 'http://127.0.0.1/docs/', pathname: '/' },
+  console: console,
+  Date: FakeDate,
+  setTimeout: setTimeout,
+  clearTimeout: clearTimeout,
+  requestAnimationFrame: function () { return 0; },
+  Promise: Promise,
+  JSON: JSON,
+  Error: Error,
+  Array: Array,
+  Object: Object,
+  String: String,
+  Number: Number,
+  KeepReceipt: {
+    keep: function () {
+      keepCalls += 1;
+      return Promise.resolve({ receiptHash: 'nope' });
+    }
+  }
+};
+windowObj.window = windowObj;
+sandbox.global = sandbox;
+
+var code = fs.readFileSync(path.join(__dirname, 'garden-rooms.js'), 'utf8');
+vm.runInNewContext(code, sandbox);
+
+
+var GR = sandbox.window.GardenRooms;
+assert.ok(GR && typeof GR.ensureSkyLegend === 'function', 'GardenRooms mounts');
+
+function makeDoor(id) {
+  var btn = new El('button');
+  btn.className = 'garden-lumino is-' + id;
+  btn.setAttribute('data-garden-lumino', id);
+  var light = new El('span');
+  light.className = 'garden-lumino-light';
+  btn.appendChild(light);
+  body.appendChild(btn);
+  return btn;
+}
+['gathering', 'nursery', 'settings', 'thread'].forEach(makeDoor);
+
+sandbox.GardenRooms = GR; // in a browser window.GardenRooms is also the global
+var opened = [];
+GR.openPlace = function (p) { opened.push('place:' + p); };
+GR.openThread = function () { opened.push('thread'); };
+
+GR.ensureSkyLegend();
+var legend = document.getElementById('lumino-legend');
+assert.ok(legend, 'legend is built');
+assert.equal(legend.getAttribute('aria-hidden'), null, 'legend is no longer hidden from readers');
+function row(id) { return queryOne(legend, '[data-lumino-row="' + id + '"]'); }
+['gathering', 'nursery', 'settings', 'thread'].forEach(function (id) {
+  var r = row(id);
+  assert.ok(r, 'row ' + id);
+  assert.equal(r.getAttribute('role'), 'button', id + ' row is a button');
+  assert.equal(r.getAttribute('tabindex'), '0', id + ' row takes focus');
+});
+assert.equal(row('settings').getAttribute('aria-label'), 'go to Settings', 'same words as the lumino menu');
+row('settings').fire('click');
+row('nursery').fire('click');
+row('gathering').fire('click');
+row('thread').fire('click');
+row('settings').fire('keydown', { key: 'Enter', preventDefault: function () {} });
+row('nursery').fire('keydown', { key: 'a', preventDefault: function () {} });
+assert.deepStrictEqual(opened, ['place:settings', 'place:nursery', 'place:core', 'thread', 'place:settings'], 'each word opens its own light: ' + opened.join(','));
+
+console.log('SMOKE_OK tree glow 1 v0.1');