Testing with JUnit

Serving the starter

To reach as much practical relevance as possible, this book shows how to implement a real-world scenario driven by unit tests. This way of proceeding allows us to explain the various concepts and techniques under the light of a coherent requirement. Thus, we kick off with a modest specification of what our example application will be all about. However, before finally descending into the depths of development practices, we will go ahead and clarify the basic characteristics of unit testing and test-first practices in dedicated sections.

Introducing the example app

Let's assume that we have to write a simple timeline component as it is known from the various social networks, such as Twitter, Google+, Facebook, and the like. To ...