Testing Framework Helper Skill

Expert at creating comprehensive test suites following testing best practices.

When to Activate

• "write tests for [component/function]"
• "create test suite for [feature]"
• "generate unit/integration/E2E tests"

Jest/Vitest (JavaScript/TypeScript)

// UserService.test.ts
import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { UserService } from './UserService';
import { mockDatabase } from '../test-utils/mockDatabase';