testing-patterns

Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.

Skills
Development
154

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Install (Claude Code)

mkdir -p .claude/skills/testing-patterns && curl -fsSL https://doutorai.pt/data/lib/skills__testing-patterns.md -o .claude/skills/testing-patterns/SKILL.md

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Content

---
name: testing-patterns
description: Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.
---

# Testing Patterns and Utilities

## Testing Philosophy

**Test-Driven Development (TDD):**
- Write failing test FIRST
- Implement minimal code to pass
- Refactor after green
- Never write production code without a failing test

**Behavior-Driven Testing:**
- Test behavior, not implementation
- Focus on public APIs and business requirements
- Avoid testing implementation deta

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