testing-best-practices

name	testing-best-practices
description	Unit testing, integration testing, and test-driven development principles. Use when writing tests, reviewing test code, improving test coverage, or setting up testing strategy. Triggers on "write tests", "review tests", "testing best practices", or "TDD".
license	MIT
metadata	{"author":"agent-skills","version":"2.0.0"}

Testing Best Practices

Unit testing, integration testing, and TDD principles for reliable, maintainable test suites. Contains 34 rules across 7 categories using TypeScript with Jest/Vitest.

Metadata

• Version: 2.0.0
• Rule Count: 34 rules across 7 categories
• License: MIT

When to Apply

Reference these guidelines when:

• Writing unit or integration tests
• Reviewing test code quality
• Improving test coverage strategy
• Setting up testing infrastructure
• Debugging flaky or slow tests

Rule Categories by Priority

Priority	Category	Impact	Prefix
1	Test Structure	CRITICAL	struct-
2	Test Isolation