Jiabao Sun created FLINK-33629:
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Summary: Introduce ArchTest rules to ban Junit 4 for modules
already completed the migration
Key: FLINK-33629
URL: https://issues.apache.org/jira/browse/FLINK-33629
Project: Flink
Issue Type: Sub-task
Components: Tests
Affects Versions: 1.18.0
Reporter: Jiabao Sun
Currently, many modules have already completed the migration to JUnit 5, and we
need to prevent the introduction of JUnit 4 tests in new PRs.
However, completely removing the dependency on JUnit 4 is challenging. It
requires defining JUnit 4 as optional in the flink-parent module and allowing
sub-modules to selectively include it. However, this approach still cannot
solve the issue of transitive dependencies.
Therefore, considering introducing new rules in ArchTest to prohibit the usage
of JUnit 4 in modules that have already completed the migration.
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