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Pull request overview
This PR adds JUnit 6 support to the Java test runner extension, extending the framework to handle the next major version of JUnit Jupiter. The implementation follows the existing JUnit 5 pattern by adding a new TestKind enum value and implementing corresponding searcher and finder classes.
Key Changes:
- Added
JUnit6enum value toTestKindacross TypeScript and Java codebases - Implemented
JUnit6TestSearcherandJUnit6TestFinderclasses for test detection - Updated conditional logic throughout to handle JUnit 6 alongside JUnit 5
- Updated dependencies to include JUnit 6 artifacts (versions 6.0.1) and upgraded JUnit 5 to 5.14.x
- Modified build scripts to support multiple JUnit versions and updated Eclipse platform target
Reviewed changes
Copilot reviewed 18 out of 18 changed files in this pull request and generated 8 comments.
Show a summary per file
| File | Description |
|---|---|
| src/java-test-runner.api.ts | Added JUnit6 enum value (3) to TestKind |
| src/utils/launchUtils.ts | Extended tag parsing condition to include JUnit6 |
| src/runners/junitRunner/JUnitRunnerResultAnalyzer.ts | Added JUnit6 runner package filter and extended display name logic for JUnit6 |
| src/controller/testController.ts | Added JUnit6 case to runner selection and test framework version tracking; minor whitespace fix |
| scripts/buildJdtlsExt.js | Updated bundle list with JUnit6 runtime and refactored updateVersion() to rebuild from actual server folder contents |
| package.json | Added JUnit 6 dependencies (6.0.1) and upgraded JUnit 5 to 5.14.1 and platform to 1.14.1 |
| java-extension/.../com.microsoft.java.test.tp.target | Updated Eclipse repository URLs to 4.38-I-builds and 2025-12 release |
| java-extension/.../JUnit6TestSearcher.java | New test searcher implementation for JUnit 6 using JUNIT_PLATFORM_TESTABLE annotation |
| java-extension/.../JUnit6TestFinder.java | New test finder implementation with JUnit 6 loader support |
| java-extension/.../TestFrameworkUtils.java | Added JUNIT6_TEST_SEARCHER constant and case in getSearcherByTestKind() |
| java-extension/.../TestGenerationUtils.java | Extended lifecycle annotations handling to include JUnit6 |
| java-extension/.../TestKindProvider.java | Added JUnit6 detection using CoreTestSearchEngine.hasJUnit6TestAnnotation() |
| java-extension/.../TestKind.java | Added JUnit6(3) enum value with fromString() and toString() support; formatting improvements |
| java-extension/.../JUnitLaunchUtils.java | Added JUNIT6_LOADER constant and case in getEclipseTestKind() |
| java-extension/.../JUnitLaunchConfigurationTemplate.java | Added projectName attribute to launch configuration template |
| java-extension/.../JUnitLaunchConfigurationDelegate.java | Extended parameter handling condition to include JUnit6 |
| java-extension/.../JUnitLaunchConfiguration.java | Added projectName to value map |
| java-extension/.../META-INF/MANIFEST.MF | Added JUnit 6 bundle dependencies and upgraded JUnit 5 versions; includes both 5.14.x and 6.0.1 versions |
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...java.test.plugin/src/main/java/com/microsoft/java/test/plugin/provider/TestKindProvider.java
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...va.test.plugin/src/main/java/com/microsoft/java/test/plugin/searcher/JUnit6TestSearcher.java
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...java.test.plugin/src/main/java/com/microsoft/java/test/plugin/provider/TestKindProvider.java
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chagong
reviewed
Dec 4, 2025
| * to properly detect tests in JUnit 6 projects. | ||
| * | ||
| * <p><b>Why this class exists:</b> Eclipse JDT does not yet have built-in support for JUnit 6. | ||
| * This is a custom implementation that will be needed until Eclipse JDT adds official JUnit 6 support. |
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Do we still expect JDT to support JUNIT 6?
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yes, there also some issue or PR list for jdtls
- Rename JUnit5TestFinder to reflect its re-use for JUnit 6 eclipse-jdt/eclipse.jdt.ui#2620
- Add JUnit test launch config entry for JUnit 6 eclipse-jdt/eclipse.jdt.ui#2560
I think they should officially support, but currently the junit 6 is still not ready, so I think in java-test, implement such a finder for junit 6.
chagong
approved these changes
Dec 4, 2025
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This is just the initial version that supports JUnit 6, and compatibility is not being considered for now.
test against with redhat/vscode-java 1.51.2025120208
https://github.com/junit-team/junit-examples/tree/main/junit-jupiter-starter-maven
https://github.com/microsoft/vscode-java-test/tree/main/test/test-projects/junit