Release God's Eye View as open source

src/data/detectionPresentation.test.mjs

@@ -0,0 +1,32 @@
+import assert from 'node:assert/strict';
+import { readFile } from 'node:fs/promises';
+import test from 'node:test';
+
+import {
+  COCKPIT_BRACKET_OPACITY,
+  detectionBracketOpacity,
+} from './detectionPresentation.js';
+
+test('Cockpit reduces only the bracket presentation multiplier', () => {
+  assert.equal(COCKPIT_BRACKET_OPACITY, 0.45);
+  assert.equal(detectionBracketOpacity(true), 0.45);
+  assert.equal(detectionBracketOpacity(false), 1);
+  assert.equal(detectionBracketOpacity(undefined), 1);
+});
+
+test('detection owns and releases the Cockpit lifecycle listener', async () => {
+  const source = await readFile(new URL('./detection.js', import.meta.url), 'utf8');
+  assert.match(source, /addEventListener\('gev:cockpit-mode-changed', _cockpitModeListener\)/);
+  assert.match(source, /removeEventListener\('gev:cockpit-mode-changed', _cockpitModeListener\)/);
+  assert.match(
+    source,
+    /fade \* entry\.alpha \* bracketPresentationOpacity/,
+    'Cockpit opacity must multiply bracket strokes only',
+  );
+  assert.doesNotMatch(
+    source,
+    /_drawCallout\(entry, fade \* bracketPresentationOpacity/,
+    'Cockpit bracket de-emphasis must not dim callouts',
+  );
+});
+