testing-patterns

Installation
SKILL.md

Testing Patterns & Strategies

Comprehensive guide to testing JavaScript/TypeScript applications. Complements the tdd skill (which focuses on workflow) by providing concrete patterns, strategies, and anti-patterns.

When to Use This Skill

Activate when the user:

  • Wants to write tests for existing or new code
  • Needs to establish a testing strategy for a project
  • Wants to improve test coverage or reliability
  • Has flaky or brittle tests
  • Asks about mocking, stubbing, or test doubles
  • Needs guidance on unit vs integration vs E2E tests

Testing Pyramid

        /  E2E  \          Few, slow, high confidence
       /----------\
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Installs
20
GitHub Stars
3
First Seen
Mar 27, 2026