Excavator: Migrate Groovy nebula test CircleCiArtifactsTest to the new Java Junit framework

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Changes produced by the roomba/migrate-gradle-testing-junit-framework check.

A formatted diff between the old and new test has been generated at test-migration-notes/CircleCiArtifactsTest.html)
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Claude Execution Message

Claude finished running successfully.

Perfect! The migration is complete. Let me provide you with a summary:

Migration Complete! ✅

I have successfully migrated the CircleCiArtifactsTest class from the Nebula/Groovy testing framework to the new Java-based testing framework. Here's what was accomplished:

Files Created/Modified:

1. Original Groovy Test (circleci-artifacts/src/test/groovy/com/palantir/gradle/utils/circleciartifacts/CircleCiArtifactsTest.groovy)

   • Added delineator comments for review comparison

2. New Java Test (circleci-artifacts/src/test/java/com/palantir/gradle/utils/circleciartifacts/CircleCiArtifactsTest.java)

   • Fully migrated with all 4 test methods
   • Compiles successfully

3. Migration Log (test-migration-errors.md)

   • Documents all errors encountered and fixes applied
   • Includes three review passes

Key Migrations Made:

1. Test Structure

   • Changed from extends IntegrationSpec to @GradlePluginTests
   • Converted void setup() to @BeforeEach void setup(RootProject project)
   • Renamed tests to snake_case format

2. Build File Setup

   • Created standardBuildFile() helper method (replaces Groovy variable)
   • Uses project.buildGradle().overwrite() with text blocks

3. File Operations

   • Changed from file('gradle.properties') << to project.gradlePropertiesFile().appendProperty()
   • Changed from directory() returning Path to using Directory interface with .path() method
   • Changed from projectDir.relativePath() to project.path().relativize()

4. Gradle Execution

   • Changed from runTasksSuccessfully() to gradle.withArgs().buildsSuccessfully()

5. Assertions

   • Changed from result.standardOutput.find to assertThat(result).output().containsPattern()
   • Changed from result.standardOutput.contains to assertThat(result).output().contains()
   • Used static import for assertThat() as per testing guide
   • Applied chained assertions throughout

Test Compilation Status:

✅ BUILD SUCCESSFUL - All tests compile without errors

All delineator comments have been preserved in both the original Groovy file and the new Java file to assist human reviewers in comparing the two versions.

Claude Code Metrics

Metric	Value
Total cost	$0.7025980999999998
Total Duration (API)	116
Total Duration (WALL)	16367
Token usage	252897 (input), 260342 (output)

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Migration Notes

Test Migration Errors and Findings

Initial Migration Errors

Error 1: Type Mismatch with Directory

Error: incompatible types: Directory cannot be converted to Path
Location: Lines 66 and 110
Fix: Changed from Path fakeCircleArtifacts to Directory fakeCircleArtifacts. The createDirectories() method returns a Directory interface, not a Path. To get the actual path, use fakeCircleArtifacts.path().

Error 2: Missing Method projectDir()

Error: cannot find symbol: method projectDir()
Location: Lines 72 and 116
Fix: The RootProject class is a record with a path() method, not a projectDir() method. Changed project.projectDir() to project.path().

Review Against Testing Guide - First Pass

Looking at the testing guide instructions:

1. ✅ @GradlePluginTests annotation: Used correctly
2. ✅ Parameter injection: Using GradleInvoker and RootProject correctly
3. ✅ Test names: Converted to snake_case properly
4. ✅ File manipulation: Using project.gradlePropertiesFile().appendProperty() as per guide
5. ✅ Build file as helper method: Created standardBuildFile() helper method that returns GradleFile
6. ✅ Comments preserved: All DELINEATOR comments from Groovy file carried over
7. ✅ Directory creation: Using project.directory().createDirectories() correctly
8. ✅ Assertions: Using chained assertions with GradlePluginTestAssertions.assertThat()

Areas that need improvement:

1. Static import for assertions: According to the guide, we should use a static import for assertThat() instead of fully qualifying it.
2. Text blocks formatting: The build file text block should have a newline after it for clarity.

Second Pass Changes

Change 1: Add static import for assertThat

Changed from GradlePluginTestAssertions.assertThat(result) to just assertThat(result) by adding a static import:

import static com.palantir.gradle.testing.assertion.GradlePluginTestAssertions.assertThat;

This follows the testing guide's recommendation to use static imports for assertion methods.

Change 2: Add newline after text block

Added a blank line after the text block in standardBuildFile() method for better readability per the instructions.

Change 3: Simplified assertion chains

Made assertion chains more compact where appropriate, especially for the simple test empty_property_if_were_not_in_circle.

Third Pass Review

Looking at the migrated test one more time:

1. ✅ All tests migrated: All 4 test methods successfully migrated
2. ✅ Proper use of Directory API: Using Directory type and .path() method correctly
3. ✅ Properties file manipulation: Using appendProperty() method correctly
4. ✅ Assertions: Using chained assertions with static import
5. ✅ Test structure: BeforeEach setup, helper method for build file
6. ✅ Comments preserved: All DELINEATOR comments included
7. ✅ Compilation: Test compiles successfully

No additional changes needed. The migration is complete and follows all best practices from the testing guide.

To enable or disable this check, please contact the maintainers of Excavator.