feat: migrate Payload CMS to MDX and harden static infrastructure

tests/contact-action.test.ts

@@ -0,0 +1,110 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { sendContactFormAction } from '../app/actions/contact';
+import * as mailer from '@/lib/mail/mailer';
+import { render } from '@mintel/mail';
+import React from 'react';
+
+// Mock Next.js headers
+vi.mock('next/headers', () => ({
+  headers: () =>
+    Promise.resolve(
+      new Map([
+        ['user-agent', 'test-agent'],
+        ['accept-language', 'de-DE,de;q=0.9'],
+        ['referer', 'http://localhost:3000/de/kontakt'],
+        ['x-forwarded-for', '127.0.0.1'],
+      ]),
+    ),
+}));
+
+// Mock services
+vi.mock('@/lib/services/create-services.server', () => ({
+  getServerAppServices: () => ({
+    logger: {
+      child: () => ({
+        info: vi.fn(),
+        error: vi.fn(),
+        warn: vi.fn(),
+      }),
+    },
+    analytics: {
+      track: vi.fn(),
+      setServerContext: vi.fn(),
+    },
+    errors: {
+      captureException: vi.fn(),
+    },
+    notifications: {
+      notify: vi.fn(),
+    },
+  }),
+}));
+
+// Mock mailer
+vi.mock('@/lib/mail/mailer', () => ({
+  sendEmail: vi.fn().mockResolvedValue({ success: true, messageId: 'test-id' }),
+}));
+
+// Mock env
+vi.mock('@/lib/env', () => ({
+  env: {
+    MAIL_RECIPIENTS: 'internal@mintel.me',
+  },
+}));
+
+describe('sendContactFormAction', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('should successfully process a valid contact form submission', async () => {
+    const formData = new FormData();
+    formData.append('name', 'John Doe');
+    formData.append('email', 'john@example.com');
+    formData.append('message', 'Hello, this is a test message.');
+
+    const result = await sendContactFormAction(formData);
+
+    expect(result.success).toBe(true);
+
+    // Verify internal notification was sent
+    expect(mailer.sendEmail).toHaveBeenCalledWith(
+      expect.objectContaining({
+        replyTo: 'john@example.com',
+        subject: 'New Contact Form Submission',
+      }),
+    );
+
+    // Verify customer confirmation was sent
+    expect(mailer.sendEmail).toHaveBeenCalledWith(
+      expect.objectContaining({
+        to: 'john@example.com',
+        subject: 'Thank you for your inquiry',
+      }),
+    );
+  });
+
+  it('should fail if required fields are missing', async () => {
+    const formData = new FormData();
+    formData.append('name', 'John Doe');
+    // Missing email and message
+
+    const result = await sendContactFormAction(formData);
+
+    expect(result.success).toBe(false);
+    expect(result.error).toBe('Missing required fields');
+    expect(mailer.sendEmail).not.toHaveBeenCalled();
+  });
+
+  it('should skip email sending for test submissions', async () => {
+    const formData = new FormData();
+    formData.append('name', 'Tester');
+    formData.append('email', 'testing@mintel.me');
+    formData.append('message', 'Test');
+
+    const result = await sendContactFormAction(formData);
+
+    expect(result.success).toBe(true);
+    expect(mailer.sendEmail).not.toHaveBeenCalled();
+  });
+});