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AssertThrowsOnLastStatement: Support calls with lambda parameters#859

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knutwannheden merged 1 commit intomainfrom
fix/858
Dec 3, 2025
Merged

AssertThrowsOnLastStatement: Support calls with lambda parameters#859
knutwannheden merged 1 commit intomainfrom
fix/858

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Added J.Lambda to the list of expression types that should be skipped in the extractExpressionArguments method:

if (e instanceof J.Identifier || e instanceof J.Literal || e instanceof J.Empty || e instanceof J.Lambda) {
    return e;
}

Lambdas are effectively "constant" expressions that don't need to be extracted into separate variables - they're anonymous functions that don't depend on mutable state that would change during the extraction.

Added `J.Lambda` to the list of expression types that should be skipped in the `extractExpressionArguments` method:

```java
if (e instanceof J.Identifier || e instanceof J.Literal || e instanceof J.Empty || e instanceof J.Lambda) {
    return e;
}
```

Lambdas are effectively "constant" expressions that don't need to be extracted into separate variables - they're anonymous functions that don't depend on mutable state that would change during the extraction.
@github-project-automation github-project-automation bot moved this to In Progress in OpenRewrite Dec 3, 2025
@knutwannheden knutwannheden merged commit bd7ec84 into main Dec 3, 2025
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@knutwannheden knutwannheden deleted the fix/858 branch December 3, 2025 07:58
@github-project-automation github-project-automation bot moved this from In Progress to Done in OpenRewrite Dec 3, 2025
mergify bot added a commit to robfrank/linklift that referenced this pull request Dec 14, 2025
…rom 3.22.0 to 3.23.0 [skip ci]

Bumps [org.openrewrite.recipe:rewrite-testing-frameworks](https://github.com/openrewrite/rewrite-testing-frameworks) from 3.22.0 to 3.23.0.
Release notes

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

> 3.23.0
> ------
>
> What's Changed
> --------------
>
> * Add `@ExtendWith(MockitoExtension.class)` Test using Mockito Annotations by [`@​MBoegers`](https://github.com/MBoegers) in [openrewrite/rewrite-testing-frameworks#848](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/848)
> * Add troubleshooting context info when ParseError encountered in `GradleUseJunitJupiter` by [`@​greg-at-moderne`](https://github.com/greg-at-moderne) in [openrewrite/rewrite-testing-frameworks#852](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/852)
> * Fix/850 testcontainers2 migration only springboot4 by [`@​Thomas-Iapichino`](https://github.com/Thomas-Iapichino) in [openrewrite/rewrite-testing-frameworks#854](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/854)
> * Fixed the expectation to be correctly spaced + formatted args by [`@​Jenson3210`](https://github.com/Jenson3210) in [openrewrite/rewrite-testing-frameworks#855](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/855)
> * Simplify redundant AssertJ chains of `hasSize` and `containsExactly` by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#857](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/857)
> * Simplify AssertJ `stream().map(Function)` to `extracting(Function)` by [`@​timtebeek`](https://github.com/timtebeek) in [openrewrite/rewrite-testing-frameworks#856](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/856)
> * `AssertThrowsOnLastStatement`: Support calls with lambda parameters by [`@​knutwannheden`](https://github.com/knutwannheden) in [openrewrite/rewrite-testing-frameworks#859](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/859)
> * Fix bugs in `HamcrestMatcherToAssertJ` and `HamcrestIsMatcherToAssertJ` by [`@​knutwannheden`](https://github.com/knutwannheden) in [openrewrite/rewrite-testing-frameworks#863](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/863)
> * `HamcrestMatcherToAssertJ`: `isNull()` and `isNotNull()` take no args by [`@​knutwannheden`](https://github.com/knutwannheden) in [openrewrite/rewrite-testing-frameworks#864](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/864)
> * Fix variable name conflict in JMockit to Mockito migration by [`@​knutwannheden`](https://github.com/knutwannheden) in [openrewrite/rewrite-testing-frameworks#865](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/865)
>
> New Contributors
> ----------------
>
> * [`@​Thomas-Iapichino`](https://github.com/Thomas-Iapichino) made their first contribution in [openrewrite/rewrite-testing-frameworks#854](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/pull/854)
>
> **Full Changelog**: <openrewrite/rewrite-testing-frameworks@v3.22.0...v3.23.0>


Commits

* [`fe6c497`](openrewrite/rewrite-testing-frameworks@fe6c497) Update recipe documentation examples
* [`fa95357`](openrewrite/rewrite-testing-frameworks@fa95357) Fix variable name conflict in JMockit to Mockito migration ([#865](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/865))
* [`5869a99`](openrewrite/rewrite-testing-frameworks@5869a99) `HamcrestMatcherToAssertJ`: `isNull()` and `isNotNull()` take no args ([#864](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/864))
* [`6ea4619`](openrewrite/rewrite-testing-frameworks@6ea4619) Fix bugs in `HamcrestMatcherToAssertJ` and `HamcrestIsMatcherToAssertJ` ([#863](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/863))
* [`bd7ec84`](openrewrite/rewrite-testing-frameworks@bd7ec84) `AssertThrowsOnLastStatement`: Support calls with lambda parameters ([#859](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/859))
* [`959c88b`](openrewrite/rewrite-testing-frameworks@959c88b) Fix order of Hamcrest migration recipes
* [`ebb0358`](openrewrite/rewrite-testing-frameworks@ebb0358) `MigrateTruthToAssertJ` should not call `RemoveUnusedImports` unrestricted
* [`df6b865`](openrewrite/rewrite-testing-frameworks@df6b865) Skip `CsvSourceToValueSource` if textBlock attribute is used
* [`d623f54`](openrewrite/rewrite-testing-frameworks@d623f54) Simplify AssertJ `stream().map(Function)` to `extracting(Function)` ([#856](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/856))
* [`a9829fb`](openrewrite/rewrite-testing-frameworks@a9829fb) Simplify redundant AssertJ chains of `hasSize` and `containsExactly` ([#857](https://redirect.github.com/openrewrite/rewrite-testing-frameworks/issues/857))
* Additional commits viewable in [compare view](openrewrite/rewrite-testing-frameworks@v3.22.0...v3.23.0)
  
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Assertj Expected a template that would generate exactly one statement to replace one statement, but generated 0. Template:

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