There's also mocha: http://visionmedia.github.com/mocha/
Which has very similar syntax to RSpec.
Which has very similar syntax to RSpec.
If you set up your controllers so that they are independent from the routes, then they are just as easy to test.
It could be as simple as: app.get('/users/:id', userController.userPage). You can then test userController.userPage(req, res, next) instead of the route.