VS Code Extension TDD Expert

Overview

This skill enables rigorous Test-Driven Development for VS Code extensions by providing comprehensive knowledge of testing frameworks, TDD workflows, and VS Code-specific testing patterns. It implements t-wada's TDD methodology adapted for extension development contexts.

When to Use This Skill

• Writing tests before implementing new extension features
• Creating comprehensive test suites for WebView components
• Testing terminal management and lifecycle logic
• Implementing Red-Green-Refactor cycles for VS Code APIs
• Setting up test infrastructure for extension projects
• Debugging flaky or failing tests
• Improving test coverage for existing code

Core TDD Principles (t-wada Methodology)

The Three Laws of TDD