JUnit in Action, Third Edition

4 Migrating from JUnit 4 to JUnit 5

This chapter covers

• Implementing the migration from JUnit 4 to JUnit 5
• Working with a hybrid approach for mature projects
• Comparing the needed JUnit 4 with JUnit 5 dependencies
• Comparing the equivalent JUnit 4 with JUnit 5 annotations
• Comparing JUnit 4 rules with JUnit 5 extensions

Nothing in this world can survive and remain useful without an update.

--Charles M. Tadros

So far, this book has introduced JUnit and its latest version, 5. We’ve discussed the core classes and methods and presented them in action so that you have a good understanding of how to build your tests efficiently. We’ve emphasized the importance of software architecture in general and shown the significant architectural changes between ...