Automatic migration from JUnit 4 to JUnit 5

Manually upgrading from JUnit 4 to JUnit 5 is a lengthy process that involves migrating code, packages, and dependencies. Migrate with Symflower automatically for a quick and efficient upgrade process that requires no manual changes.

/products/migration-junit-4-5/JUnit-4-5-migration-CTA.svg

Symflower automatically updates all the annotations, assertions, and assumptions in your code to JUnit 5. Packages and dependencies will be migrated based on built-in migration rules. See an example of using Symflower to migrate a file from JUnit 4 to JUnit 5.

Migrate with Symflower

Why migrate with Symflower?

/img/features/faster.svg

Automated migration

Migrate code, packages, dependencies and whole projects all in one tool. All your dependencies, testing rules, and test runners will be automatically upgraded to JUnit 5.

/img/features/boundryValues.svg

Complete migration rules

All JUnit 4 annotations, assertions, and assumptions will be automatically replaced with their JUnit 5 counterparts.

/img/features/fullyAutomatic.svg

No manual changes required

Symflower provides a fully automated path for migrating your projects from JUnit 4 to JUnit 5.