JUnit Converters

Conversion scripts and tools to assist with the migration from one version of JUnit to a newer JUnit version.

Convert JUnit 3 to JUnit 4

The junit3ToJUnit4.zsh script in this repository is not perfect, but it goes a long way towards dealing with the most common problems.

Known Limitations

Does not address calls to:

junit.framework.TestSuite.addTestSuite(clazz);

For these you need to use @RunWith(Suite.class).

Convert JUnit 4 to JUnit Jupiter

The junit4ToJUnitJupiter.zsh script in this repository helps with automatically modifying imports and annotation usage but does not assist with migrating assertions, rules, parameterized tests, or use of @FixMethodOrder. The script also does not migrate the exception and timeout attributes of JUnit 4's @Test annotation.

See also: https://github.com/junit-pioneer/convert-junit4-to-junit5