snapshot of https://github.com/toeverything/AFFiNE.git (canary, 2026-09-16; blobs > 131072B omitted)

packages/backend/server/src/__tests__/mails.spec.ts

@@ -0,0 +1,45 @@
+import { pretty } from '@react-email/render';
+import test from 'ava';
+
+import { normalizeSMTPHeloHostname } from '../core/mail/utils';
+import { Renderers } from '../mails';
+import { TEST_DOC, TEST_USER } from '../mails/common';
+
+test('should render emails', async t => {
+  for (const render of Object.values(Renderers)) {
+    // @ts-expect-error use [PreviewProps]
+    const content = await render();
+    t.snapshot(await pretty(content.html), content.subject);
+  }
+});
+
+test('should render mention email with empty doc title', async t => {
+  const content = await Renderers.Mention({
+    user: TEST_USER,
+    doc: {
+      ...TEST_DOC,
+      title: '',
+    },
+  });
+  t.snapshot(await pretty(content.html), content.subject);
+});
+
+test('should normalize valid SMTP HELO hostnames', t => {
+  t.is(normalizeSMTPHeloHostname('mail.example.com'), 'mail.example.com');
+  t.is(normalizeSMTPHeloHostname(' localhost '), 'localhost');
+  t.is(normalizeSMTPHeloHostname('[127.0.0.1]'), '[127.0.0.1]');
+  t.is(normalizeSMTPHeloHostname('[IPv6:2001:db8::1]'), '[IPv6:2001:db8::1]');
+});
+
+test('should reject invalid SMTP HELO hostnames', t => {
+  t.is(normalizeSMTPHeloHostname(), undefined);
+  t.is(normalizeSMTPHeloHostname(''), undefined);
+  t.is(normalizeSMTPHeloHostname('  '), undefined);
+  t.is(normalizeSMTPHeloHostname('AFFiNE Server'), undefined);
+  t.is(normalizeSMTPHeloHostname('-example.com'), undefined);
+  t.is(normalizeSMTPHeloHostname('example-.com'), undefined);
+  t.is(normalizeSMTPHeloHostname('example..com'), undefined);
+  t.is(normalizeSMTPHeloHostname('[bad host]'), undefined);
+  t.is(normalizeSMTPHeloHostname('[foo]'), undefined);
+  t.is(normalizeSMTPHeloHostname('[IPv6:foo]'), undefined);
+});