Guidelines for Java Testable Design
Issues with testability in Java boil down to our inability to write tests or the excess trouble we have to go through to get it done. In this article, based on chapter 7 of the book “Effective Unit Testing – A guide for Java developers”, Lasse Koskela shares a set of dos and don’ts for testable design. In the tips provided, he recommends to avoid complex private methods, static methods, logic in constructors and to favor composition over inheritance.