Add authentication tests

src/utils/__tests__/authentication.test.ts

@@ -0,0 +1,30 @@
+/**
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+import { getAuthorizationHeader } from '..';
+
+describe('Authentication', () => {
+	it('should return the correct header value without token', () => {
+		const header = getAuthorizationHeader({
+			Name: 'SDK Test',
+			Version: '0.0.0'
+		}, {
+			Name: 'Test Device',
+			Id: 'TESTID'
+		});
+		expect(header).toEqual('MediaBrowser Client="SDK Test", Device="Test Device", DeviceId="TESTID", Version="0.0.0", Token=""');
+	});
+
+	it('should return the correct header value with token', () => {
+		const header = getAuthorizationHeader({
+			Name: 'SDK Test',
+			Version: '0.0.0'
+		}, {
+			Name: 'Test Device',
+			Id: 'TESTID'
+		}, 'TESTTOKEN');
+		expect(header).toEqual('MediaBrowser Client="SDK Test", Device="Test Device", DeviceId="TESTID", Version="0.0.0", Token="TESTTOKEN"');
+	});
+});