Release God's Eye View as open source

src/data/vesselLabels.test.mjs

@@ -0,0 +1,95 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { readFile } from 'node:fs/promises';
+import {
+  accentForVesselType,
+  applyVesselOverlayPolicy,
+  normalizeVesselType,
+  vesselOverlayCohortLimit,
+  vesselTypeCss,
+} from './vesselLabels.js';
+
+test('normalizeVesselType maps numeric AIS codes to type families', () => {
+  assert.equal(normalizeVesselType('30'), 'FISHING');
+  assert.equal(normalizeVesselType('31'), 'TOWING');
+  assert.equal(normalizeVesselType('35'), 'MILITARY');
+  assert.equal(normalizeVesselType('36'), 'SAILING');
+  assert.equal(normalizeVesselType('37'), 'PLEASURE');
+  assert.equal(normalizeVesselType('40'), 'HIGH-SPEED');
+  assert.equal(normalizeVesselType('50'), 'PILOT');
+  assert.equal(normalizeVesselType('51'), 'SAR');
+  assert.equal(normalizeVesselType('52'), 'TUG');
+  assert.equal(normalizeVesselType('60'), 'PASSENGER');
+  assert.equal(normalizeVesselType('71'), 'CARGO');
+  assert.equal(normalizeVesselType('84'), 'TANKER');
+  assert.equal(normalizeVesselType('90'), 'OTHER');
+});
+
+test('normalizeVesselType preserves text and degrades unknown codes', () => {
+  assert.equal(normalizeVesselType('Crude Oil Tanker'), 'Crude Oil Tanker');
+  assert.equal(normalizeVesselType('0'), '');
+  assert.equal(normalizeVesselType('25'), 'OTHER');
+  assert.equal(normalizeVesselType(undefined), '');
+});
+
+test('vessel type CSS and card accents stay paired', () => {
+  assert.equal(vesselTypeCss('Crude Oil Tanker'), '#ffb347');
+  assert.equal(vesselTypeCss('Container Ship'), '#39d5ff');
+  assert.equal(vesselTypeCss('Passenger/Ferry'), '#ff7adf');
+  assert.equal(vesselTypeCss('Fishing'), '#7cff9b');
+  assert.equal(vesselTypeCss('Tug'), '#f7f0a3');
+  assert.equal(accentForVesselType('Tanker'), '255, 179, 71');
+  assert.equal(accentForVesselType('Cargo'), '57, 213, 255');
+  assert.equal(accentForVesselType('Passenger'), '255, 122, 223');
+  assert.equal(accentForVesselType('Fishing'), '124, 255, 155');
+  assert.equal(accentForVesselType('Pilot Vessel'), '247, 240, 163');
+  assert.equal(accentForVesselType('Dredger'), '57, 213, 255');
+  assert.equal(accentForVesselType('84'), '255, 179, 71');
+  assert.equal(vesselTypeCss('62'), '#ff7adf');
+});
+
+test('vessel viewport cohort preserves the shipped 118px grid density', () => {
+  assert.equal(vesselOverlayCohortLimit(1600, 900), 112);
+  assert.equal(vesselOverlayCohortLimit(1920, 1080), 170);
+  assert.equal(vesselOverlayCohortLimit(1920, 1080, 80), 80);
+  assert.equal(vesselOverlayCohortLimit(10000, 10000), 900, 'the shipped row ceiling remains absolute');
+  assert.equal(vesselOverlayCohortLimit(0, 1080), 0);
+  assert.equal(vesselOverlayCohortLimit(1920, 1080, 0), 0);
+});
+
+test('vessel host policy uses always-on shared fade and protected selected lane', () => {
+  const position = { x: 1, y: 2, z: 3 };
+  const ambient = applyVesselOverlayPolicy({
+    id: 'vessel:1', position, title: 'AMBIENT', gapPx: 10, selected: false,
+  });
+  assert.equal(ambient.variant, 'card');
+  assert.equal(ambient.protected, false);
+  assert.equal(ambient.collisionGroup, 'ambient-card');
+  assert.equal(ambient.edgeFade, 'keyhole');
+  assert.equal(ambient.maxDistance, 5_000_000);
+  assert.equal(ambient.distanceFadeStartRatio, 0.7);
+  assert.equal(ambient.cardStyle, 'tactical');
+  assert.equal(ambient.verticalOnly, true);
+
+  const selected = applyVesselOverlayPolicy({
+    id: 'vessel:2', position, title: 'SELECTED', gapPx: 12, selected: true,
+  });
+  assert.equal(selected.variant, 'selected');
+  assert.equal(selected.protected, true);
+  assert.equal(selected.collisionGroup, 'ambient-card');
+  assert.equal(selected.maxDistance, Number.POSITIVE_INFINITY);
+});
+
+test('vesselLabels cannot resurrect a dedicated renderer', async () => {
+  const source = await readFile(new URL('./vesselLabels.js', import.meta.url), 'utf8');
+  for (const forbidden of [
+    'document.createElement',
+    "createElement('canvas')",
+    'postRender.addEventListener',
+    'worldToWindowCoordinates',
+    'requestAnimationFrame',
+    "id = 'vessel-labels'",
+  ]) {
+    assert.equal(source.includes(forbidden), false, `dedicated renderer token returned: ${forbidden}`);
+  }
+});