Mastering Unit Testing Using Mockito and JUnit

It is insanity to keep doing things the same way and expect them to improve. Any program is only as good as it is useful, so before applying complex tools, patterns or APIs to your production code, whether a software functions or not needs verifying. You need to configure your development environment to provide quick feedback on what is being developed. Automated JUnit tests help you verify your assumptions continuously, side effects are detected quickly, and it saves time. However, writing...