Initial release — Astro Rocket v1.0.0

src/__tests__/newsletter.test.ts

@@ -0,0 +1,41 @@
+import { describe, it, expect } from 'vitest';
+import { z } from 'zod';
+
+// Schema mirroring src/pages/api/newsletter.ts
+const newsletterSchema = z.object({
+  email: z.email('Please enter a valid email address'),
+  honeypot: z.string().max(0).optional(),
+});
+
+describe('Newsletter form validation', () => {
+  it('accepts a valid email address', () => {
+    const result = newsletterSchema.safeParse({ email: 'user@example.com', honeypot: '' });
+    expect(result.success).toBe(true);
+  });
+
+  it('rejects an invalid email address', () => {
+    const result = newsletterSchema.safeParse({ email: 'not-an-email' });
+    expect(result.success).toBe(false);
+    if (!result.success) {
+      expect(result.error.issues[0].message).toBe('Please enter a valid email address');
+    }
+  });
+
+  it('rejects an empty email field', () => {
+    const result = newsletterSchema.safeParse({ email: '' });
+    expect(result.success).toBe(false);
+  });
+
+  it('rejects filled honeypot field (bot detection)', () => {
+    const result = newsletterSchema.safeParse({ email: 'user@example.com', honeypot: 'bot' });
+    expect(result.success).toBe(false);
+    if (!result.success) {
+      expect(result.error.issues[0].path[0]).toBe('honeypot');
+    }
+  });
+
+  it('accepts missing honeypot field (it is optional)', () => {
+    const result = newsletterSchema.safeParse({ email: 'user@example.com' });
+    expect(result.success).toBe(true);
+  });
+});