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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 about The Launch Schedule of the Introduction to JUnit 5 Course

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 about Introducing My New JUnit 5 Course

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 about Introduction to Spies

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 about Introduction to Dummies

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 about Introduction to Fakes

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