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test-augmentation

Testing & Quality
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Validates and improves test coverage for code changes. Checks coverage thresholds, identifies untested code paths, and provides guidance on writing effective tests. Use after making code changes or when improving test quality.

QUICK START

How to use this skill

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  3. Review the proposed files and risks before you approve installation.
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Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/data/test-augmentation/SKILL.md

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Test Augmentation

Generate missing tests to improve code coverage.

When to use this skill

  • After implementing new features
  • When refactoring existing code
  • To identify gaps in test coverage
  • During test quality improvements
  • When asked to "add tests" or "improve coverage"

Skill Contents

Available Resources

references/ - Detailed documentation


Quick Start

  1. Run coverage report for your technology:
    • JavaScript/TypeScript: pnpm run test:coverage
    • Python: pytest --cov=. --cov-report=html
    • Java: ./gradlew jacocoTestReport
    • Go: go test -cover ./...
  2. Review uncovered files and functions
  3. Apply patterns from the references:
    • references/test-patterns.md - General test patterns
    • references/{technology}/test-patterns.md - Technology-specific patterns
  4. Write tests for uncovered code paths
  5. Re-run coverage to verify improvement

Coverage Targets

TypeTarget
Line coverage80%+
Branch coverage70%+
Critical paths100%

Coverage Tools

TechnologyTool
JavaJaCoCo
JavaScript/TypeScriptJest, NYC
Pythoncoverage.py, pytest-cov
Gogo test -cover

References

TechnologyReference
Javareferences/java/test-patterns.md
TypeScriptreferences/typescript/test-patterns.md
Pythonreferences/python/test-patterns.md
Goreferences/go/test-patterns.md

Related Skills

  • quality-gateway - Quality gate orchestration
  • doc-sync - Documentation synchronization
  • java-testing - Java-specific testing (for Java projects)