Testing strategy skills doyajin174 testing strategy
Skill bg-szy/TOP-SKILLS/skills/marketplace/testing-strategy__skills-doyajin174-testing-strategy
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Comprehensive testing workflow combining TDD, real implementations (no mocking), and E2E testing. Use when implementing features, writing tests, or setting up test infrastructure.
The file declares its own license as MIT. That is the author’s claim about this one file, and it is not the same thing as the license GitHub reports for the repository, which is listed with the other numbers below.
SKILL.md
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Testing Strategy
TDD와 실제 구현 기반 테스트를 결합한 통합 테스트 스킬입니다.
Iron Law
"NO PRODUCTION CODE WITHOUT A FAILING TEST FIRST"
RED-GREEN-REFACTOR Cycle
1. RED - 실패하는 테스트 작성
- 원하는 동작을 보여주는 최소한의 테스트 작성
- 테스트가 실패하는지 반드시 확인
2. GREEN - 테스트 통과시키기
- 테스트를 통과시키는 가장 단순한 코드 작성
- 완벽한 코드 X, 동작하는 코드 O
3. REFACTOR - 리팩토링
- 코드 정리 (중복 제거, 명명 개선)
- 테스트가 계속 통과하는지 확인
No Mocking Policy
실제 구현을 테스트하라
❌ 금지
jest.mock('./database');
jest.mock('./api');
✅ 허용
// 실제 테스트 DB 또는 인메모리 DB 사용
const db = await createTestDatabase();
// MSW로 실제 HTTP 계층 테스트
const server = setupServer(
rest.get('/api/users', (req, res, ctx) => {
return res(ctx.json([{ id: 1, name: 'Test' }]));
})
);
E2E Testing (Playwright)
test('user can complete checkout', async ({ page }) => {
await page.goto('/products');
await page.click('[data-testid="add-to-cart"]');
await page.click('[data-testid="checkout"]');
await expect(page.locator('.confirmation')).toBeVisible();
});
Test Categories
| 유형 | 범위 | 도구 |
|---|---|---|
| Unit | 함수/클래스 | Vitest, Jest |
| Integration | 모듈 간 연동 | 실제 DB, MSW |
| E2E | 전체 사용자 흐름 | Playwright |
Checklist
- 모든 함수가 테스트됨
- 테스트가 먼저 실패하는 것을 확인
- Mock 사용 없음 (MSW 허용)
- E2E로 핵심 흐름 검증