While playing with the Elixir for the last few months I have discovered plenty of interesting features. All of them was amazing for my, the OOP guy who never had an opportunity to work with functional language (except of Lisp during studies but that’s another story). But the winner can be only one and for me it is definitely testdoc.

If you are here I guess you have also encountered UnnecessaryStubbingException in your code. Probably after migrating to new Mockito version or refactoring some parts of your codebase. In this article will try to investigate what this exception means to us and how to resolve it.

Have you ever encountered piece of a code that was painful to watch? So bad that you wanted to get rid of it as fast as you can? You’re not alone. Here I will share with you one of such moments I had while working with Vaadin.

Recently I had an occasion to speak at our local Meet Up. Prior to this event i had to choose a topic of my presentation. As a group was though to be for both back-end and front-end developers, range of possibilities was wide. I discussed few options with me teammates and ended up deciding to go for unit testing in Java with a use of new version of JUnit testing library.