testing

Standardize Python and JavaScript/TypeScript testing with pytest, Jest, Vitest, and Playwright.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/skomax/skills --skill testing-skomax
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: testing
Source: https://github.com/skomax/skills/tree/main/.claude/skills/testing
Command: npx skills add https://github.com/skomax/skills --skill testing-skomax

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing and maintaining comprehensive tests across Python and JavaScript/TypeScript can be verbose and difficult to standardize, leading to flaky results and slower feedback loops.

Core Features & Use Cases

  • Cross-language testing patterns including Python (pytest) and JavaScript/TypeScript (Jest, Vitest, Playwright).
  • Fixtures, mocking, and test infrastructure guidance for unit, integration, and end-to-end scenarios.
  • Examples and templates for common workflows, including TDD and CI validation, across both ecosystems.

Quick Start

Run the pytest/Jest/Vitest/Playwright test suites in your project to validate code quality.

Frequently Asked Questions about testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I standardize testing patterns across Python and JavaScript projects?

Standardizing cross-language testing patterns involves applying shared fixtures, mocking, and test infrastructure rules across Python and JavaScript. This approach unifies pytest, Jest, Vitest, and Playwright workflows to reduce flaky tests and ensure consistent behavior.

What is the best way to set up fixtures and mocking for both pytest and Vitest?

Setting up fixtures and mocking for both pytest and Vitest requires defining shared configuration templates and test infrastructure rules. This provides consistent test state setup and teardown across both Python and JavaScript ecosystems.

Can I use a single testing workflow for unit, integration, and E2E tests across different languages?

Yes, you can use a unified testing workflow for unit, integration, and E2E tests across different languages by applying standardized configurations. This leverages pytest for Python and Jest, Vitest, or Playwright for JavaScript/TypeScript testing.

Does this testing approach support Test-Driven Development (TDD) and CI validation?

This testing approach supports TDD and CI validation by providing templates and workflow requirements for test-driven development cycles. It standardizes CI validation pipelines using pytest, Jest, Vitest, and Playwright to maintain code quality.

How do I configure Playwright for cross-language end-to-end testing workflows?

Configuring Playwright for cross-language end-to-end testing workflows involves specifying tooling and configuration requirements within your test infrastructure. This standardizes E2E testing patterns to validate complex application workflows effectively.