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Sylwester Lachiewicz commented on CASSANDRA-16630:
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Please check also work for CASSANDRA-16135 - would be good to not rework, Also
while reviewing tests and grouping tests with annotations, we may improve the
way how we lunch tests
> Migrate to JUnit5
> -----------------
>
> Key: CASSANDRA-16630
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16630
> Project: Cassandra
> Issue Type: Improvement
> Components: Test/unit
> Reporter: Alexey Zotov
> Priority: Normal
>
> h3. Overview
> Currently C* uses JUnit4 (version 4.12) which is obsolete. There is a newer
> version 4.13.2 which we could update to. However, JUnit4 is generally
> considered to be outdated and it is reasonable to migrate to JUnit5.
> Despite of having a syntax sugar in JUnit5 (assertThrow, lamda's support,
> ect), there are no blockers that push us to move from JUnit4. The main
> motivation for this initiative is rule of thumb to use up-to-date versions of
> the dependencies.
> Obviously this change is not backward compatible with the open PRs and
> previous C* versions. Therefore, it will require an additional effort for
> backporting the changes and updating PRs that have tests. However, I believe
> it should not be a blocker for this initiative.
> h3. Action items (preliminary list)
> # change JUnit4 to JUnit5 dependencies and make necessary changes in ant
> tasks (https://ant.apache.org/manual/Tasks/junitlauncher.html)
> # update syntax in all tests (imports, Before/After annotations, etc)
> # update parameterized tests
> # create a new version of {{OrderedJUnit4ClassRunner}} and update
> corresponding tests
> # update tests that use {{BMUnitRunner}} (as per
> https://developer.jboss.org/docs/DOC-52953 it supports JUnit5)
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