How many times have been told how functional programming is so much better than imperative, and then being presented with a functional approach to calculating a fibonacci sequence, leaving you wondering how that can be even remotely useful when working in real world applications? Yep, we’ve all been there. It …
Learn how the refactoring of a Java program make it easier to perform unit testing. Starting with a typical non-object oriented solution, the design is restructured into several classes and unit tests are created for them.
Working with legacy Java code is tough: no tests, no documentation, and fear of breaking other parts of the code. The only way to deal with that is to test and refactor merciless. For the majority of us, legacy code is part of our life and learning how to embrace …
In this video, we take a piece of crappy Java code with no tests. Our objective is to write tests for it and then refactor to make it better. The code has the most common problems that much larger legacy applications have, like Singletons, static calls and feature envy.
Learn how you can use Eclipse’s quick-fix refactoring (and a little common sense) to restructure some hairy code into something rather more palatable.
This three-part series discusses: 1. Principles of Unit Testing (and some tools: JUnit with RAD) 2. Refactoring for Testability 3. End-to-End Testing of Applications
