feat(auth): Story 2.2 — Mailer (nodemailer + Konsolen-Fallback)

server/mailer.test.js

@@ -0,0 +1,15 @@
+const { test } = require('node:test');
+const assert = require('node:assert');
+
+delete process.env.SMTP_HOST;
+const { sendMagicLink, getTransport } = require('./mailer');
+
+test('ohne SMTP: getTransport null', () => {
+  assert.strictEqual(getTransport(), null);
+});
+
+test('ohne SMTP: Konsolen-Fallback, kein Wurf, url zurück', async () => {
+  const r = await sendMagicLink('a@x.de', 'https://bonus.example/auth?token=abc');
+  assert.strictEqual(r.sent, false);
+  assert.strictEqual(r.url, 'https://bonus.example/auth?token=abc');
+});