Angular 2 is a release candidate: rc.1 as I write this. The official documents still have some missing pieces. Here are a collection of useful links and my own usage comments to help fill in the missing bits:
Official TypeScript docs - very good - starts with basic types selected
Unit Testing Recipes - useful recipes for testing Components, Directives, HTTP Mocking etc - though think this conflicts with the latest I've found on async injecting into unit tests. I might be wrong.
Testing Angular 2 Components with Unit Tests and the TestComponentBuilder (RC1+) - -but see this repo for tests actually updated for RC1: https://github.com/krimple/angular2-unittest-samples-rc --- note that TestComponentBuilder has been moved from
Haven't tried this yet -- not sure what really works. It does seem that Hammer.js must be loaded before angular2.
..I'll add more as I revisit links.. First week or two with Angular 2 involved a lot of reading source and searching for solutions..