Functional Programming is more than a set of principles. It’s a paradigm; a different way of thinking. It focuses on the “what” is being done, as opposed to the “how” it’s being done as in Object Oriented and Imperative paradigms. The first functional programming language was created in 1960 (LISP), but interestingly, Functional Programming is…
I have came across a lot of posts and tweets where someone talks about books they have read recently, that had a big impact on their career or the way they work. There are the books that made an impact on my career. I’ve read quite few books, but when I think about it, few…
Test Driven Development with Unit tests and Integration Tests The golden rule of Test Driven Development is never write new functionality without a failing test. Yes. You need to start each feature writing a failing acceptance test, which guides your application design and defines application behaviour. While this test is failing, the feature is not…
In our previous article, we covered some of the main features that Spock offers. In this article we will continue exploring the mocking capabilities of the framework. If we continue with our previous example of the REST API that tries to find an existing user in our system, probably the next step would be to…
At Shutl, as an eBay company, I have had the opportunity to collaborate with different teams that are developing Java backend services, usually using JUnit and Mockito for their tests. I’ve also had the opportunity to meet people with a solid background in other tech stacks such as Ruby, Scala, Clojure, etc.
One of the recruitment stages at Shutl is a pair programming exercise where candidates pair with one of our developers on adding couple of features to a small web service. One of the features includes adding a markup to the base price.
