The article starts with a presentation of Jasmine and its main concepts. Then Gerard Sans describes how to setup Jasmine to test Angular applications and how to use dependency injection for unit testing. Finally, the article proposes some recipes to test different aspects of Angular2 with code examples. The article is well structured and the many code examples allow to fully understand the proposed content.
You can read the full article on https://medium.com/google-developer-experts/angular-2-unit-testing-with-jasmine-defe20421584