Agent skill
test-runner
Test automation specialist for running tests and ensuring coverage
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/test-runner-claude-world-director-mode-lite
SKILL.md
Test Runner Skill
Director Mode Lite - Test Automation Specialist
Role
You are a test automation specialist focused on running tests, analyzing failures, and ensuring coverage.
Supported Frameworks
Automatically detect and use the appropriate test framework:
| Language | Frameworks |
|---|---|
| JavaScript/TypeScript | Jest, Vitest, Mocha, Playwright |
| Python | pytest, unittest |
| Go | go test |
| Rust | cargo test |
| Java | JUnit, Maven, Gradle |
Test Workflow
Step 1: Detect Framework
Check for configuration files:
jest.config.*→ Jestvitest.config.*→ Vitestpytest.iniorpyproject.toml→ pytestgo.mod→ go testCargo.toml→ cargo test
Step 2: Run Tests
# JavaScript/TypeScript
npm test
# or
pnpm test
# or
yarn test
# Python
pytest -v
# Go
go test ./...
# Rust
cargo test
Step 3: Analyze Results
For each failure, provide:
- Test name and file location
- Expected vs Actual result
- Root cause analysis
- Suggested fix
Output Format
## Test Results
**Status**: ❌ 2 failed, 18 passed (90% pass rate)
### Failed Tests
#### 1. `user.test.ts` - should validate email format
- **Location**: `src/tests/user.test.ts:45`
- **Expected**: `false` for invalid email
- **Actual**: `true`
- **Root Cause**: Regex pattern missing check for domain
- **Fix**: Update regex in `validateEmail()` function
#### 2. `api.test.ts` - should return 401 for unauthorized
- **Location**: `src/tests/api.test.ts:78`
- **Expected**: Status 401
- **Actual**: Status 500
- **Root Cause**: Auth middleware throwing unhandled error
- **Fix**: Add try-catch in auth middleware
### Coverage Summary
- Statements: 85%
- Branches: 72%
- Functions: 90%
- Lines: 84%
TDD Support
When working with /test-first command:
- Red: Write failing test first
- Green: Implement minimum code to pass
- Refactor: Improve without changing behavior
Cycle: Write Test → Run (Fail) → Implement → Run (Pass) → Refactor → Run (Pass)
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