Style Guidelines for Local Variable Type Inference in Java
A while ago, with Java 10, a new controversial language feature was introduced: var. With var, local variables don’t need the explicit type information on th...
Testing
Unit Tests vs Integration Tests
This article will highlight the differences between unit tests and integration tests. It’s widely known that writing tests to increase the quality of softwa...
Mockito Verifying Method Arguments with Inorder
Yesterday, I learned how to verify the method parameter for multiple method calls in Mockito. My pair-programmer and I wrote code that send multiple messages...
Spring Test Slices
In this article, I want to share what I learned about testing a Spring application without loading it completely. This can be done by using @DataJpaTest, @We...
Why Automated Tests are Important
Automated tests like JUnit are a mandatory part of developing software. Recently I saw some bad things happening in a project that are good arguments for aut...
Test-Driven Refactoring
Recently, I stumbled over the following code: public boolean someMethod() { List<String> list = getSomethingFromDatabase(); // something is d...
Spying with Mockito - to call or not to call a method
The other day a weird feature of the testing library Mockito tricked me. Allthough the behavior is mentioned in the documentation, it can not be bad to po...