Articles

Learn how to write JUnit 5 nested tests. Learn how to provide a hierarchical structure to describe relationships between the tests.

In this article, we will learn different ways to improve test readability. Tests document how the system should behave. They also act as self-verifying executable specifications.

Learn how to use the test data builder pattern to make it easy to create objects for tests. Learn how to reduce boilerplate code with Lombok.

What are the DRY and DAMP principles? Why do people consider DRY and DAMP in tests contradictory and how can we achieve both?

What is the best way to test private methods? Should I use some library or use reflection? Can I just make the method public?

Deepen your skills, automate repetitive tasks, shorten your feedback loops, and code less to achieve greater productivity.

Seven tips to take control of your time, reduce distractions, allocate time for your productive work, and feel less stressed.

Learn how to use the Mockito mocking framework with JUnit 5. Learn both the test framework independent way, and using the Mockito JUnit 5 extension.

Learn how to run code before and after each test or all tests in the test class. Also learn the execution order of lifecycle methods in different cases.

Learn how to assert an exception is thrown using JUnit 5. Also, learn how to check the error message of the thrown exception.