diff --git a/cdn/.gitignore b/cdn/.gitignore
index f2e69ff6..14dd53b5 100644
--- a/cdn/.gitignore
+++ b/cdn/.gitignore
@@ -3,4 +3,5 @@ node_modules/
 .DS_Store
 .env
 dist/
-files/
\ No newline at end of file
+files/
+coverage/
\ No newline at end of file
diff --git a/cdn/CONTRIBUTE.md b/cdn/CONTRIBUTE.md
new file mode 100644
index 00000000..ceca896c
--- /dev/null
+++ b/cdn/CONTRIBUTE.md
@@ -0,0 +1,14 @@
+# CONTRIBUTE
+
+### Setup:
+
+```
+npm i
+npm start
+```
+
+### Run tests:
+
+```
+npm test
+```
diff --git a/cdn/jest/setup.js b/cdn/jest/setup.js
new file mode 100644
index 00000000..32c60181
--- /dev/null
+++ b/cdn/jest/setup.js
@@ -0,0 +1 @@
+jest.spyOn(global.console, "log").mockImplementation(() => jest.fn());
diff --git a/cdn/package-lock.json b/cdn/package-lock.json
index 11ce8935..673395a5 100644
Binary files a/cdn/package-lock.json and b/cdn/package-lock.json differ
diff --git a/cdn/package.json b/cdn/package.json
index 083fbf5b..7e69b65d 100644
--- a/cdn/package.json
+++ b/cdn/package.json
@@ -5,7 +5,7 @@
 	"main": "dist/index.js",
 	"types": "dist/index.d.ts",
 	"scripts": {
-		"test": "echo \"Error: no test specified\" && exit 1",
+		"test": "npm run build && jest --coverage ./tests",
 		"build": "npx tsc -b .",
 		"start": "npm run build && node dist/start.js"
 	},
@@ -48,12 +48,19 @@
 		"file-type": "^16.5.0",
 		"fs-extra": "^10.0.0",
 		"image-size": "^1.0.0",
+		"jest": "^27.0.6",
 		"lambert-db": "^1.2.3",
 		"lambert-server": "^1.2.8",
 		"missing-native-js-functions": "^1.2.10",
 		"multer": "^1.4.2",
 		"node-fetch": "^2.6.1",
+		"supertest": "^6.1.6",
 		"typescript": "^4.1.2",
 		"uuid": "^8.3.2"
+	},
+	"jest": {
+		"setupFilesAfterEnv": [
+			"<rootDir>/jest/setup.js"
+		]
 	}
 }
diff --git a/cdn/src/start.ts b/cdn/src/start.ts
index 57c9f704..35a68265 100644
--- a/cdn/src/start.ts
+++ b/cdn/src/start.ts
@@ -25,3 +25,5 @@ server
 		console.log("[Server] started on :" + server.options.port);
 	})
 	.catch((e) => console.error("[Server] Error starting: ", e));
+
+module.exports = server;
diff --git a/cdn/tests/start.test.js b/cdn/tests/start.test.js
new file mode 100644
index 00000000..348405de
--- /dev/null
+++ b/cdn/tests/start.test.js
@@ -0,0 +1,22 @@
+const { CDNServer } = require("../dist/Server");
+const { db } = require("@fosscord/util");
+const supertest = require("supertest");
+const request = supertest("http://localhost:3003");
+const server = new CDNServer({ port: Number(process.env.PORT) || 3003 });
+
+beforeAll(async () => {
+	await server.start();
+	db.close();
+	return server;
+});
+
+afterAll(() => {
+	return server.stop();
+});
+
+describe("GET /ping", () => {
+	test("should return pong", async () => {
+		const response = await request.get("/ping");
+		expect(response.text).toBe("pong");
+	});
+});