testing

Standardize pytest, Vitest, and Playwright tests across backend, frontend, E2E, and visual layers.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/djimontyp/task-tracker --skill testing-djimontyp
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: testing
Source: https://github.com/djimontyp/task-tracker/tree/main/.claude/skills/testing
Command: npx skills add https://github.com/djimontyp/task-tracker --skill testing-djimontyp

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill eliminates testing inconsistencies and unreliable test suites by providing proven patterns and best practices for comprehensive software testing.

Core Features & Use Cases

  • Multi-layer Testing: Implement consistent testing across backend (pytest), frontend (Vitest), and end-to-end (Playwright) layers.
  • Quality Enforcement: Ensure tests fail appropriately when code breaks and provide meaningful assertion messages.
  • Use Case: Imagine your team is building a new dashboard feature. Use this Skill to create unit tests for React components, integration tests for API endpoints, and E2E tests to verify the complete user flow works correctly.

Quick Start

Use the testing skill to generate a pytest test pattern for a new service method that creates user accounts.

Frequently Asked Questions about testing

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

FAQPage Schema
How do I write consistent unit tests across pytest, Vitest, and Playwright?

Consistent testing across pytest, Vitest, and Playwright uses standardized patterns for assertions, error handling, and test structure. This Skill consolidates those patterns so your backend, frontend, and E2E tests follow the same principles—mandatory assertion messages, tests that fail on breakage, and alignment with framework reference guides.

What are the best practices for E2E testing with Playwright?

E2E testing with Playwright requires patterns that verify complete user flows reliably. This Skill provides proven Playwright patterns including proper assertion messages, failure handling that catches real issues, and integration with visual and storybook testing for comprehensive coverage.

How do I ensure tests fail when code breaks instead of masking failures?

Tests must enforce strict failure modes to catch real bugs. This Skill implements functional requirements like prohibition of test skipping, mandatory assertion messages, and patterns that force tests to fail visibly when code breaks—preventing silent failures that hide defects.

Can I use the same testing patterns for both backend services and React components?

Yes. This Skill standardizes testing patterns across backend (pytest), frontend (Vitest), and E2E (Playwright) layers so your unit, integration, and end-to-end tests follow consistent principles regardless of technology stack.

What testing layers should I implement for a complete application?

Complete testing spans unit tests for individual functions, integration tests for API endpoints and components, E2E tests for user workflows, and visual tests for UI consistency. This Skill covers all four layers with patterns for pytest, Vitest, Playwright, and storybook testing.

Why do assertion messages matter in test suites?

Assertion messages provide context when tests fail, making debugging faster and reducing false positives. This Skill enforces mandatory assertion messages across pytest, Vitest, and Playwright so failures are always meaningful and actionable.