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Add missing Hamcrest not(Matcher) to AssertJ conversions#917

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timtebeek merged 1 commit intomainfrom
add-missing-not-matcher-entries
Feb 23, 2026
Merged

Add missing Hamcrest not(Matcher) to AssertJ conversions#917
timtebeek merged 1 commit intomainfrom
add-missing-not-matcher-entries

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@timtebeek timtebeek commented Feb 23, 2026

Summary

  • Adds 7 missing HamcrestNotMatcherToAssertJ YAML entries for not() wrappers around matchers that already had positive-case support:

    • Map matchers: not(hasKey)doesNotContainKey, not(hasValue)doesNotContainValue, not(hasEntry)doesNotContainEntry, not(anEmptyMap)isNotEmpty
    • String matchers: not(isEmptyOrNullString)isNotEmpty, not(emptyOrNullString)isNotEmpty
    • Object matchers: not(isA)isNotInstanceOf
  • Adds parameterized tests for all new entries

  • Partially addresses org.openrewrite.java.testing.hamcrest.MigrateHamcrestToAssertJ Omission #866. Remaining items from that issue (not(contains(...)), MockitoHamcrest.argThat, hasSize(greaterThanOrEqualTo(...)), Description/BaseMatcher) require more involved changes.

Test plan

  • Added parameterized notMapReplacements tests for map matcher negations
  • Added entries to existing notReplacements tests for string/object matcher negations
  • All MigrateHamcrestToAssertJTest tests pass

Add 7 missing `HamcrestNotMatcherToAssertJ` entries for:
- Map matchers: `not(hasKey)`, `not(hasValue)`, `not(hasEntry)`, `not(anEmptyMap)`
- String matchers: `not(isEmptyOrNullString)`, `not(emptyOrNullString)`
- Object matchers: `not(isA)`
@github-project-automation github-project-automation bot moved this to In Progress in OpenRewrite Feb 23, 2026
@timtebeek timtebeek merged commit bf27539 into main Feb 23, 2026
1 check passed
@timtebeek timtebeek deleted the add-missing-not-matcher-entries branch February 23, 2026 20:40
@github-project-automation github-project-automation bot moved this from In Progress to Done in OpenRewrite Feb 23, 2026
mergify bot added a commit to robfrank/linklift that referenced this pull request Feb 26, 2026
…rom 3.27.0 to 3.28.0 [skip ci]

Bumps [org.openrewrite.recipe:rewrite-testing-frameworks](https://github.com/openrewrite/rewrite-testing-frameworks) from 3.27.0 to 3.28.0.
Release notes

*Sourced from [org.openrewrite.recipe:rewrite-testing-frameworks's releases](https://github.com/openrewrite/rewrite-testing-frameworks/releases).*

> 3.28.0
> ------
>
> What's Changed
> --------------
>
> * Fix 6 issues in AssertJ recipe migrations by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#911](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/911)
> * Preserve throws clause when checked exceptions exist outside assertThrows. by [`@​motlin`](https://github.com/motlin) in [openrewrite/rewrite-testing-frameworks#899](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/899)
> * Pin AssertJ to stable 3.27.7 by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#913](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/913)
> * Add .contextSensitive() to Hamcrest conversion templates and improve type matching in `CollapseConsecutiveAssertThatStatements` by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#912](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/912)
> * Fix 2 AssertJ migration recipe issues found via large-scale validation by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#914](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/914)
> * Add Hamcrest to AssertJ recipes for hasProperty, everyItem, and hasItem(Matcher) by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#916](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/916)
> * Add missing Hamcrest not(Matcher) to AssertJ conversions by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#917](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/917)
> * Do not incorrectly strip method calls from assertion arguments by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#918](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/918)
>
> **Full Changelog**: <openrewrite/rewrite-testing-frameworks@v3.27.0...v3.28.0>


Commits

* [`c2860b4`](openrewrite/rewrite-testing-frameworks@c2860b4) OpenRewrite recipe best practices
* [`c75ba77`](openrewrite/rewrite-testing-frameworks@c75ba77) Do not incorrectly strip method calls from assertion arguments ([#918](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/918))
* [`bf27539`](openrewrite/rewrite-testing-frameworks@bf27539) Add missing Hamcrest `not(Matcher)` to AssertJ conversions ([#866](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/866)) ([#917](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/917))
* [`4f3f340`](openrewrite/rewrite-testing-frameworks@4f3f340) Update Gradle wrapper to 9.3.1
* [`a850e44`](openrewrite/rewrite-testing-frameworks@a850e44) Add Hamcrest to AssertJ recipes for hasProperty, everyItem, and hasItem(Match...
* [`16f1501`](openrewrite/rewrite-testing-frameworks@16f1501) Fix 2 AssertJ migration recipe issues found via large-scale validation ([#914](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/914))
* [`c270c74`](openrewrite/rewrite-testing-frameworks@c270c74) Add .contextSensitive() to Hamcrest conversion templates and improve type mat...
* [`00bc57f`](openrewrite/rewrite-testing-frameworks@00bc57f) Pin AssertJ to stable 3.27.7 ([#913](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/913))
* [`36ebbba`](openrewrite/rewrite-testing-frameworks@36ebbba) Preserve throws clause when checked exceptions exist outside assertThrows. (#...
* [`58d2238`](openrewrite/rewrite-testing-frameworks@58d2238) OpenRewrite recipe best practices
* Additional commits viewable in [compare view](openrewrite/rewrite-testing-frameworks@v3.27.0...v3.28.0)
  
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