Build verified checkpoint containers for TrueNAS

tests/random-id.test.ts

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+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { randomId } from '../lib/random-id';
+import { createRoomEntry } from '../lib/room-entry';
+
+void test('LAN HTTP operations work with getRandomValues and no randomUUID', (t) => {
+  const native = globalThis.crypto;
+  t.mock.getter(globalThis, 'crypto', () => ({
+    getRandomValues: native.getRandomValues.bind(native),
+  }) as Crypto);
+  assert.equal(typeof globalThis.crypto.randomUUID, 'undefined');
+  const id = randomId();
+  assert.match(id, /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/);
+  assert.notEqual(randomId(), id);
+  const attempt = createRoomEntry({
+    name: 'LAN player', faction: 'atreides', advanced: false, expansions: [],
+  });
+  assert.ok(attempt);
+});
+
+void test('UUID creation fails closed when cryptographic randomness fails', (t) => {
+  t.mock.getter(globalThis, 'crypto', () => ({
+    getRandomValues() { throw new Error('Randomness unavailable'); },
+  }) as unknown as Crypto);
+  assert.throws(() => randomId(), /Randomness unavailable/);
+});