Add recipe to migrate JUnit 4 ExternalResource rules using jupiter-migrationsupport#880
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timtebeek merged 12 commits intoopenrewrite:mainfrom Dec 22, 2025
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…gration support Implements HandleExternalResourceRules recipe to migrate JUnit 4 ExternalResource-based @rule and @ClassRule fields to JUnit 5 by adding @ExtendWith(ExternalResourceSupport.class) from junit-jupiter-migrationsupport. This provides a migration path for rules like TemporaryFolder and GrpcCleanupRule that extend ExternalResource but don't have direct JUnit 5 equivalents. Changes: - Add HandleExternalResourceRules recipe to detect ExternalResource-based rules - Add helper methods to Junit4Utils for checking @Rule/@ClassRule annotations - Add junit-jupiter-migrationsupport and grpc-testing dependencies for testing - Add comprehensive test coverage for field and method-based rules
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Thanks a lot @amishra-u ; good to see these rules flow back to the project to convert any left over cases beyond what was covered already.
I've applied a few small changes, mostly to add preconditions and reduce the usage of Annotated.Matcher when service(AnnotationService) ought to be enough.
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…rom 3.24.0 to 3.25.0 [skip ci] Bumps [org.openrewrite.recipe:rewrite-testing-frameworks](https://github.com/openrewrite/rewrite-testing-frameworks) from 3.24.0 to 3.25.0. Release notes *Sourced from [org.openrewrite.recipe:rewrite-testing-frameworks's releases](https://github.com/openrewrite/rewrite-testing-frameworks/releases).* > 3.25.0 > ------ > > What's Changed > -------------- > > * add upgrade recipe for deprecated APIs introduced in junit 5.13 by [`@murdos`](https://github.com/murdos) in [openrewrite/rewrite-testing-frameworks#877](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/877) > * throwing ParseError.toException by [`@greg-at-moderne`](https://github.com/greg-at-moderne) in [openrewrite/rewrite-testing-frameworks#878](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/878) > * Add recipe to migrate JUnit 4 ExternalResource rules using jupiter-migrationsupport by [`@amishra-u`](https://github.com/amishra-u) in [openrewrite/rewrite-testing-frameworks#880](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/880) > * Drop `FindUnitTests` and associated data table by [`@timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#882](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/882) > * fix: HamcrestMatcherToAssertJ argumentType does not allow subclasses by [`@Gosho1024`](https://github.com/Gosho1024) in [openrewrite/rewrite-testing-frameworks#881](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/881) > * Convert TestContainers raw types as part of upgrade by [`@timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#883](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/883) > * Add or update recipe category descriptors by [`@jkschneider`](https://github.com/jkschneider) in [openrewrite/rewrite-testing-frameworks#884](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/884) > > New Contributors > ---------------- > > * [`@Gosho1024`](https://github.com/Gosho1024) made their first contribution in [openrewrite/rewrite-testing-frameworks#881](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/881) > > **Full Changelog**: <openrewrite/rewrite-testing-frameworks@v3.24.0...v3.25.0> Commits * [`4b23569`](openrewrite/rewrite-testing-frameworks@4b23569) Update documentation examples * [`bc75310`](openrewrite/rewrite-testing-frameworks@bc75310) Update recipe documentation examples * [`657e7c3`](openrewrite/rewrite-testing-frameworks@657e7c3) Update recipes.csv to match * [`2509a44`](openrewrite/rewrite-testing-frameworks@2509a44) Fix `recipeCsvValidateContent` task * [`18a1ba0`](openrewrite/rewrite-testing-frameworks@18a1ba0) OpenRewrite recipe best practices * [`162c2e4`](openrewrite/rewrite-testing-frameworks@162c2e4) Generated recipes.csv. * [`98685c9`](openrewrite/rewrite-testing-frameworks@98685c9) Add or update recipe category descriptors ([#884](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/884)) * [`5d8da27`](openrewrite/rewrite-testing-frameworks@5d8da27) OpenRewrite recipe best practices * [`a23f69c`](openrewrite/rewrite-testing-frameworks@a23f69c) Convert TestContainers raw types as part of upgrade ([#883](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/883)) * [`a5c433b`](openrewrite/rewrite-testing-frameworks@a5c433b) fix: HamcrestMatcherToAssertJ argumentType does not allow subclasses ([#881](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/881)) * Additional commits viewable in [compare view](openrewrite/rewrite-testing-frameworks@v3.24.0...v3.25.0) [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`. [//]: # (dependabot-automerge-start) [//]: # (dependabot-automerge-end) --- Dependabot commands and options You can trigger Dependabot actions by commenting on this PR: - `@dependabot rebase` will rebase this PR - `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it - `@dependabot merge` will merge this PR after your CI passes on it - `@dependabot squash and merge` will squash and merge this PR after your CI passes on it - `@dependabot cancel merge` will cancel a previously requested merge and block automerging - `@dependabot reopen` will reopen this PR if it is closed - `@dependabot close` will close this PR and stop Dependabot recreating it. 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Implements HandleExternalResourceRules recipe to migrate JUnit 4 ExternalResource-based @rule and @ClassRule fields to JUnit 5 by adding @ExtendWith(ExternalResourceSupport.class) from
junit-jupiter-migrationsupport. This provides a migration path for rules like TemporaryFolder and GrpcCleanupRule that extend ExternalResource but don't have direct JUnit 5 equivalents.
Changes:
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