---

name: run-tests description: "Execute test suites and report results. Use when validating code functionality." mcp_fallback: none category: testing tier: 1 user-invocable: false

Run Tests

Execute test suites to verify code functionality and identify regressions or failures.

When to Use

• Pre-commit validation
• Running tests after changes
• Verifying test suite passes
• Generating test reports

Quick Reference

Copy# Run all tests with Mojo
pixi run mojo test -I . tests/

# Run specific test file
mojo test -I . tests/shared/core/test_example.mojo

# Run with verbose output
mojo test -I . tests/ -v

# Python pytest
pytest tests/
pytest tests/ -v --tb=short

Workflow

1. Set up test environment: Ensure all dependencies installed
2. Select tests: Choose which test suite or specific tests to run
3. Execute tests: Run test runner with appropriate options
4. Review results: Check pass/fail status and output
5. Debug failures: Investigate and fix failing tests

Output Format

Test results:

• Total tests run
• Passed/failed/skipped counts
• Failure details (assertion message, stack trace)
• Execution time per test
• Test coverage metrics (if applicable)

References

• See generate-tests skill for creating tests
• See calculate-coverage skill for coverage analysis
• See CLAUDE.md > TDD in Key Development Principles