JUnit 5 – A First Look at the Next Generation of JUnit

In the beginning of February, the JUnit 5 (aka JUnit Lambda) team has published an alpha release. Since JUnit 4 is among…

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JUnit 5 – Setup

In November 2015 the JUnit Lambda team presented their prototype. Since then the project rebranded itself as JUnit 5 and…

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Use JUnit’s expected exceptions sparingly

Sometimes, when we get pull requests for jOOQ or our other libraries, people change the code in our unit tests…

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Introduction in Java TDD – part 1

Welcome to an introduction in Test Driven Development (TDD) series. We will talk about Java and JUnit in context of…

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Test Doubles: mocks, dummies and stubs

Most classes have collaborators. When unit testing, you usually want to avoid using real implementations of those collaborators to avoid test…

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Clean Integration Testing with JUnit Rules

The benefits of JUnit Rules, especially when dealing with integration testing, can hardly be overrated. In this post, we’ll shine…

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Parameterized integration tests with Spring JUnit Rules

Spring 4.2 comes with brand new JUnit rules: SpringClassRule and SpringMethodRule. The main advantage of using JUnit rules is to…

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Adding Database Logging to JUnit3

We have written many thousands of JUnit3 tests over the last decade and are now trying to consolidate the results…

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Using Junit Test Name

Name your tests When we create Junit test usually there is no practical use of the name of the method.…

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