Add some integration tests for github-auth (#195729)

extensions/github-authentication/src/test/node/authServer.test.ts

@@ -0,0 +1,65 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as assert from 'assert';
+import { LoopbackAuthServer } from '../../node/authServer';
+
+suite('LoopbackAuthServer', () => {
+	let server: LoopbackAuthServer;
+	let port: number;
+
+	setup(async () => {
+		server = new LoopbackAuthServer(__dirname, 'http://localhost:8080');
+		port = await server.start();
+	});
+
+	teardown(async () => {
+		await server.stop();
+	});
+
+	test('should redirect to starting redirect on /signin', async () => {
+		const response = await fetch(`http://localhost:${port}/signin?nonce=${server.nonce}`, {
+			redirect: 'manual'
+		});
+		// Redirect
+		assert.strictEqual(response.status, 302);
+
+		// Check location
+		const location = response.headers.get('location');
+		assert.ok(location);
+		const locationUrl = new URL(location);
+		assert.strictEqual(locationUrl.origin, 'http://localhost:8080');
+
+		// Check state
+		const state = locationUrl.searchParams.get('state');
+		assert.ok(state);
+		const stateLocation = new URL(state);
+		assert.strictEqual(stateLocation.origin, `http://127.0.0.1:${port}`);
+		assert.strictEqual(stateLocation.pathname, '/callback');
+		assert.strictEqual(stateLocation.searchParams.get('nonce'), server.nonce);
+	});
+
+	test('should return 400 on /callback with missing parameters', async () => {
+		const response = await fetch(`http://localhost:${port}/callback`);
+		assert.strictEqual(response.status, 400);
+	});
+
+	test('should resolve with code and state on /callback with valid parameters', async () => {
+		server.state = 'valid-state';
+		const response = await fetch(
+			`http://localhost:${port}/callback?code=valid-code&state=${server.state}&nonce=${server.nonce}`,
+			{ redirect: 'manual' }
+		);
+		assert.strictEqual(response.status, 302);
+		assert.strictEqual(response.headers.get('location'), '/');
+		await Promise.race([
+			server.waitForOAuthResponse().then(result => {
+				assert.strictEqual(result.code, 'valid-code');
+				assert.strictEqual(result.state, server.state);
+			}),
+			new Promise((_, reject) => setTimeout(() => reject(new Error('Timeout')), 5000))
+		]);
+	});
+});