From 8a6a6712e7554f110b5ef951f270d88fd010e040 Mon Sep 17 00:00:00 2001
From: Bertrand Yuan <noreply@bertyuan.com>
Date: Thu, 26 Mar 2026 00:02:16 +0800
Subject: add more tests

---
 src/lib/metadata.test.ts | 58 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/lib/metadata.test.ts

(limited to 'src/lib/metadata.test.ts')

diff --git a/src/lib/metadata.test.ts b/src/lib/metadata.test.ts
new file mode 100644
index 0000000..ce5c5b0
--- /dev/null
+++ b/src/lib/metadata.test.ts
@@ -0,0 +1,58 @@
+import { describe, expect, test } from 'vitest';
+import { createMetadata } from './metadata';
+
+describe('createMetadata', () => {
+  test('builds metadata with default open graph, twitter, and alternates fields', () => {
+    const metadata = createMetadata({
+      title: 'My Post',
+      description: 'Post description',
+    });
+
+    expect(metadata.openGraph).toMatchObject({
+      title: 'My Post',
+      description: 'Post description',
+      url: 'https://blog.techwithanirudh.com',
+      images: '/banner.png',
+      siteName: 'Blog',
+    });
+
+    expect(metadata.twitter).toMatchObject({
+      card: 'summary_large_image',
+      creator: '@AnirudhWith',
+      title: 'My Post',
+      description: 'Post description',
+      images: '/banner.png',
+    });
+
+    expect(metadata.alternates).toMatchObject({
+      canonical: '/',
+      types: {
+        'application/rss+xml': '/api/rss.xml',
+      },
+    });
+  });
+
+  test('allows nested metadata fields to override defaults and top-level fallbacks', () => {
+    const metadata = createMetadata({
+      title: 'Top Level Title',
+      openGraph: {
+        title: 'OG Title',
+        url: 'https://example.com/posts/1',
+      },
+      twitter: {
+        title: 'Twitter Title',
+        card: 'summary',
+      },
+      alternates: {
+        canonical: '/posts/1',
+      },
+    });
+
+    expect(metadata.openGraph?.title).toBe('OG Title');
+    expect(metadata.openGraph?.url).toBe('https://example.com/posts/1');
+    expect(metadata.twitter?.title).toBe('Twitter Title');
+    expect(metadata.twitter?.card).toBe('summary');
+    expect(metadata.alternates?.canonical).toBe('/posts/1');
+  });
+});
+
-- 
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