I had to the delay the launch because my last minute testing revealed a few problems that must be solved before I can start selling the course. I will launch the Introduction to JUnit 5 course on 29th of May at 08:00 Finnish time. Here is the launch schedule: The normal price of the course […] Read more

Some of you might have noticed that I have written only a handful of new blog posts during the last few years. One reason for this is that during these years I have been writing and recording material for a new JUnit 5 course. After a year I kind of realized that producing good videos […] Read more

This blog post explains what a spy is, describes how we can create spies from the scratch and use them in our automated tests, and helps us to understand when we should use spies. Read More

This blog post explains what a dummy is, helps us to understand when we should use dummies, and describes how we can create dummies and use them in our automated tests. Read More

This blog post explains what a fake is, describes how a fake works, explains how we can create fakes and use them in our automated tests, and helps us to understand when we should use fakes. Read More