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코어 계층 TDD 지침

core-tdd

Domain, UseCase, Service, Command, Query 클래스를 구현할 때 반드시 사용. 도메인 로직, 비즈니스 로직, 서비스 구현 시 TDD(Red-Green-Refactor) 방식으로 진행. "도메인 구현", "서비스 구현", "UseCase 구현", "Command 생성", "비즈니스 로직" 작업 시 자동 발동.

SKILL.md

Full skill instructions

코어 계층 TDD 지침

TDD 순서

  1. Command/​Query - 테스트 → 구현 → 리팩토링
  2. Domain - 테스트 → 구현 → 리팩토링
  3. UseCase - 인터페이스 정의 (테스트 불필요)
  4. Service - 테스트 → 구현 → 리팩토링

Red-Green-Refactor 사이클

Red (테스트 작성)

  1. 실패하는 테스트 먼저 작성
  2. 컴파일 에러 해결을 위한 최소 stub만 생성
  3. 테스트 실행하여 의도한 실패 확인

Green (구현)

  1. 테스트를 통과시키는 최소한의 코드 작성
  2. 명명 규칙 준수 (Find/​Save/​Modify/​Delete)
  3. 정적 팩토리 메서드 패턴 (newXxx/​withId)

Refactor (개선)

  1. 테스트 통과 상태 유지
  2. 중복 제거, 가독성 개선
  3. 아키텍처/코딩 규칙 준수

핵심 규칙

필수 명명 규칙

동작접두사금지
조회FindGet, Query, Retrieve
등록SaveCreate, Add, Insert
수정ModifyUpdate, Edit, Change
삭제DeleteRemove, Erase

정적 팩토리 메서드

  • 신규 생성: newXxx() (예: Family.newFamily(...))
  • 복원: withId() (예: Family.withId(...))
  • 금지: of(), create(), from()

테스트 패턴

  • 클래스: @ExtendWith(MockitoExtension.class)
  • Service: @InjectMocks + @Mock
  • 메서드명: snake_case ({행동}_{결과}_{조건})

상세 지침

[필수] 아래 참조 문서를 모두 읽은 후 작업을 시작하세요:

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