TypeScript Testing Rules

Test Framework

• Vitest: This project uses Vitest
• Test imports: import { describe, it, expect, beforeEach, vi } from 'vitest'
• Mock creation: Use vi.mock()

Basic Testing Policy

Quality Requirements

• Coverage: Unit test coverage must be 70% or higher
• Independence: Each test can run independently without depending on other tests
• Reproducibility: Tests are environment-independent and always return the same results
• Readability: Test code maintains the same quality as production code

Coverage Requirements

Mandatory: Unit test coverage must be 70% or higher Metrics: Statements, Branches, Functions, Lines