Agent skill
521-frameworks-micronaut-testing-unit-tests
Use when you need to write unit tests for Micronaut applications — Mockito-first with @ExtendWith(MockitoExtension.class), @MicronautTest with @MockBean, HttpClient @Client("/") assertions, @Property overrides, @ParameterizedTest, and *Test vs *IT naming. For framework-agnostic Java use @131-java-testing-unit-testing. Part of the skills-for-java project
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/521-frameworks-micronaut-testing-unit-tests
Metadata
Additional technical details for this skill
- author
- Juan Antonio Breña Moral
- version
- 0.14.0
SKILL.md
Micronaut Unit Testing
Apply fast testing strategies for Micronaut: Mockito-first, narrow @MicronautTest when HTTP or DI replacement is required.
What is covered in this Skill?
- Pure JUnit 5 + Mockito without container boot
- @MicronautTest with @MockBean factory methods for collaborators
- HttpClient blocking exchanges against the embedded server
- @Property for deterministic configuration in tests
- @ParameterizedTest with @CsvSource / @MethodSource
- Naming: *Test → Surefire; *IT → Failsafe when configured
- When to escalate to
@522
Scope: Apply recommendations based on the reference rules and good/bad code examples.
Constraints
Compile before test refactors; verify the full suite after.
- MANDATORY: Run
./mvnw compileormvn compilebefore applying any change - SAFETY: If compilation fails, stop immediately
- VERIFY: Run
./mvnw clean verifyormvn clean verifyafter applying improvements - BEFORE APPLYING: Read the reference for detailed rules and examples
When to use this skill
- Add or improve unit tests in a Micronaut project
- Reduce unnecessary @MicronautTest usage with Mockito-first tests
Reference
For detailed guidance, examples, and constraints, see references/521-frameworks-micronaut-testing-unit-tests.md.
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