Chipping away at writing the tests

server/utilities/token-auth.js

@@ -3,7 +3,7 @@ const jwt = require('jsonwebtoken');
 //middleware to authenticate the JWT token
 module.exports = (req, res, next) => {
 	const authHeader = req.headers['authorization'];
-	const token = authHeader?.split (' ')[1]; //'Bearer token'
+	const token = authHeader?.split(' ')[1]; //'Bearer token'
 
 	if (!token) {
 		return res.status(401).send('No token found');

test/utilities/token-auth.test.js

@@ -0,0 +1,87 @@
+describe('token-auth', () => {
+	beforeEach(() => {
+		jest.resetModules();
+
+		//mock out jsonwebtoken
+		jest.doMock('jsonwebtoken', () => ({
+			verify: (token, secretAccess, callback) => {
+				if (token != 'invalid') {
+					expect(token).toBe('testtoken');
+					return callback(null, { username: 'username' });
+				} else {
+					expect(token).toBe('invalid');
+					return callback('Misc. error');
+				}
+			},
+		}));
+	});
+
+	test('Required Functionality', () => {
+		const tokenAuth = require('../../server/utilities/token-auth');
+
+		const req = {
+			headers: {
+				authorization: 'Bearer testtoken'
+			}
+		};
+
+		const res = {
+			status: code => {
+				expect(code).toBe(null);
+				return msg => { throw msg; };
+			}
+		};
+
+		tokenAuth(req, res, () => null);
+
+		expect(req.user.username).toBe('username');
+	});
+
+	test('Missing Token', () => {
+		const tokenAuth = require('../../server/utilities/token-auth');
+
+		const req = {
+			headers: {
+				//
+			}
+		};
+
+		const res = {
+			status: code => {
+				expect(code).toBe(401);
+				return {
+					send: msg => {
+						expect(msg).toBe('No token found');
+						return null;
+					}
+				};
+			}
+		};
+
+		tokenAuth(req, res, () => null);
+	});
+
+	test('Invalid Token', () => {
+		const tokenAuth = require('../../server/utilities/token-auth');
+
+		const req = {
+			headers: {
+				authorization: 'Bearer invalid'
+			}
+		};
+
+		const res = {
+			status: code => {
+				expect(code).toBe(403);
+				return {
+					send: msg => {
+						expect(msg).toBe('Misc. error');
+						return null;
+					}
+				};
+			}
+		};
+
+		tokenAuth(req, res, () => null);
+	});
+});