Release God's Eye View as open source

src/cctvFocusRequest.test.mjs

@@ -0,0 +1,66 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import {
+  CCTV_WORLD_CLICK_FOCUS_DURATION_SEC,
+  CCTV_FOCUS_REQUEST_EVENT,
+  registerCctvFocusRequestListener,
+  routeCctvFocusRequest,
+} from './cctvFocusRequest.js';
+
+test('UI CCTV request route uses the explicit focus policy with the clicked id', () => {
+  const calls = [];
+  const result = routeCctvFocusRequest(
+    { detail: { cameraId: 'oak-cam-9' } },
+    (activate, focus) => {
+      calls.push('explicit-policy');
+      return focus(activate());
+    },
+    (cameraId, durationSec) => {
+      calls.push({ cameraId, durationSec });
+      return 'focused';
+    },
+  );
+
+  assert.equal(result, 'focused');
+  assert.deepEqual(calls, [
+    'explicit-policy',
+    { cameraId: 'oak-cam-9', durationSec: CCTV_WORLD_CLICK_FOCUS_DURATION_SEC },
+  ]);
+  assert.equal(CCTV_WORLD_CLICK_FOCUS_DURATION_SEC, 1.9);
+});
+
+test('UI CCTV request route rejects malformed events without entering focus policy', () => {
+  let calls = 0;
+  assert.equal(routeCctvFocusRequest({}, () => { calls += 1; }, () => {}), false);
+  assert.equal(routeCctvFocusRequest({ detail: { cameraId: '' } }, () => { calls += 1; }, () => {}), false);
+  assert.equal(calls, 0);
+});
+
+test('UI CCTV focus listener registration disposes the exact added callback once', () => {
+  const added = [];
+  const removed = [];
+  const target = {
+    addEventListener(type, callback) { added.push({ type, callback }); },
+    removeEventListener(type, callback) { removed.push({ type, callback }); },
+  };
+  const listener = () => {};
+
+  const dispose = registerCctvFocusRequestListener(target, listener);
+  dispose();
+  dispose();
+
+  assert.equal(added.length, 1);
+  assert.equal(removed.length, 1);
+  assert.equal(added[0].type, CCTV_FOCUS_REQUEST_EVENT);
+  assert.equal(removed[0].type, CCTV_FOCUS_REQUEST_EVENT);
+  assert.strictEqual(added[0].callback, listener);
+  assert.strictEqual(removed[0].callback, added[0].callback);
+
+  const uiSource = readFileSync(new URL('./ui.js', import.meta.url), 'utf8');
+  assert.match(
+    uiSource,
+    /_removeCctvRequestFocusListener = registerCctvFocusRequestListener\([\s\S]+this\._cctvRequestFocusHandler/,
+  );
+  assert.match(uiSource, /this\._removeCctvRequestFocusListener\?\.\(\)/);
+});