test: Add test project for arrow-optics with Maven configuration and sample tests #63

[kpavlov]

Add test project for arrow-optics with Maven configuration and sample tests #63

• Introduced test-projects/arrow-optics with initial Maven setup (An example with Arrowkt Optics #63). Added Person and Address data classes with optics annotations.
• Implemented tests to validate optics code generation.
• Updated KSP plugin version in sample-project pom.xml to 0.3.2.
• Enhanced Makefile to include arrow-optics project testing.

Description

🎯 What's the purpose of this PR?

To verify #63

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🏔️ PR Size Check

Estimated lines changed:

• 🟢 Small (< 200 lines)—Quick reviews

🔄 Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 📚 Documentation update
• ♻️ Refactoring (no functional changes)
• 🎨 Code style/formatting update
• ⚡ Performance improvement
• ✅ Test addition or update
• 🔧 Configuration change
• 🗑️ Code removal/cleanup

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🧪 How Has This Been Tested?

Testing checklist:

• 🧪 Unit tests added/updated
• 🚀 Integration tests added/updated
• 👌 Manual testing performed
• ✅ All existing tests pass locally

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Summary by CodeRabbit

• Chores
  • Updated KSP Maven plugin dependency.
  • Added new test project for Arrow Optics integration.
  • Enhanced CI pipeline to include additional test coverage.

Walkthrough

A new Arrow Optics test project is introduced alongside build system updates. The Makefile is modified to include test execution for the new project. The KSP Maven plugin dependency is upgraded to version 0.3.2, and a complete test project with POM configuration, sample Kotlin code, and test cases is added.

Changes

Cohort / File(s)	Summary
Build Configuration Updates Makefile, sample-project/pom.xml	Makefile adds sequential test execution for arrow-optics test project; KSP Maven plugin version updated from 0.3.0 to 0.3.2.
Arrow Optics Test Project test-projects/arrow-optics/pom.xml, test-projects/arrow-optics/src/main/kotlin/com/example/Person.kt, test-projects/arrow-optics/src/test/kotlin/com/example/PersonOpticsTest.kt	New Maven test project structure with POM configuration defining Kotlin, Arrow, and KSP plugin setup. Introduces data classes (Person, Address) annotated with @optics for Arrow codegen. Test cases validate generated lenses for property access, modification, composition, and nested field updates.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch arrow-optics-example

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