Makes tests run on github actions

.github/workflows/tests.yml

@@ -0,0 +1,34 @@
+name: Unit Tests
+
+on:
+  push:
+    branches: [ "master" ]
+    paths:
+      - "**.ts"
+      - "package.json"
+      - "package-lock.json"
+      - "tsconfig.json"
+      - ".github/workflows/tests.yml"
+  pull_request:
+    branches: [ "master" ]
+    paths:
+      - "**.ts"
+      - "package.json"
+      - "package-lock.json"
+      - "tsconfig.json"
+      - ".github/workflows/tests.yml"
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: 18.x
+        cache: 'npm'
+    - run: npm ci
+    - run: npm run test

src/index.test.ts

@@ -13,29 +13,30 @@ describe('Worker', () => {
 		await worker.stop();
 	});
 
-	it('should return 200 response with a text opengraph tag',async () => {
+	it('should return 200 response with a text opengraph tag', async () => {
 		const req = new Request(
-			'https://fxtumblr.suckerberg.workers.dev/engineering/690135035533230080',
+			'https://txtumblr.suckerberg.workers.dev/engineering/690135035533230080',
 			{ method: 'GET' }
 		);
 		const resp = await worker.fetch(req.url);
 		expect(resp.status).toBe(200);
 
-
 		const text = await resp.text();
-		expect(text).toContain(`<meta property="og:description" content="Making GIFs load faster`)
-	})
+		expect(text).toContain('<meta name="description" content="Tags: #tumblr update');
+	});
 
 	it('should return 200 response with an image opengraph tag', async () => {
 		const req = new Request(
-			'https://fxtumblr.suckerberg.workers.dev/engineering/713599421825351680',
+			'https://txtumblr.suckerberg.workers.dev/engineering/713599421825351680',
 			{ method: 'GET' }
 		);
 		const resp = await worker.fetch(req.url);
 		expect(resp.status).toBe(200);
 
-
 		const text = await resp.text();
-		expect(text).toContain(`<meta property="og:image" content="https://64.media.tumblr.com/0807dffbcf1e9db8a3ddf31b4f026c39/dec349afc8bbeb99-9a/s2048x3072/a10138f06f43173037f613167f32acc41495996c.png" />`)
+		expect(text).toContain(
+			'<meta property="og:image" content="https://64.media.tumblr.com/0807dffbcf1e9db8a3ddf31b4f026c39/dec349afc8bbeb99-9a/s2048x3072/a10138f06f43173037f613167f32acc41495996c.png" />'
+		);
+		expect(text).toContain('<meta name="twitter:card" content="summary_large_image">');
 	});
 });