The code examples in The Node Beginner Book only described a toy project, and we came away with not writing any tests for it. If writing tests is new for you, and you have not yet worked on software in a test-driven manner, then I invite you to follow along and give it a try.
We need to decide on a test framework that we will use to implement our tests. A lack of choice is not an issue in the JavaScript and Node.js world, as there are dozens of frameworks available. Personally, I prefer Jasmine, and will therefore use it for my examples.
Jasmine is a framework that follows the philosophy of behaviour-driven development, which is kind of a subculture within the community of test-driven developers. This topic alone could easily fill its own book, thus I'll give only a brief introduction.
The idea is to begin development of a new software unit with its specification, followed by...
