인프런 커뮤니티 질문&답변

[질문 템플릿]
1. 강의 내용과 관련된 질문인가요? 예
2. 인프런의 질문 게시판과 자주 하는 질문에 없는 내용인가요? 예
3. 질문 잘하기 메뉴얼을 읽어보셨나요? 예

[질문 내용]
Autowired members must be defined in valid Spring bean (@Component|@Service|...) 라는 에러가 나왔습니다 코드 진행은 강의와 동일한 것 같아요..

package halo.core.scope;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import lombok.RequiredArgsConstructor;
import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Scope;
import org.springframework.scheduling.annotation.Scheduled;

public class SingletonWithPrototypeTest1 {

    @Test
    void prototypeFind(){
        AnnotationConfigApplicationContext ac = new AnnotationConfigApplicationContext(PrototypeBean.class);
        PrototypeBean prototypeBean1 = ac.getBean(PrototypeBean.class);
        prototypeBean1.addCount();
        Assertions.assertThat(prototypeBean1.getCount()).isEqualTo(1);

        PrototypeBean prototypeBean2 = ac.getBean(PrototypeBean.class);
        prototypeBean2 = ac.getBean(PrototypeBean.class);
        prototypeBean2.addCount();
        Assertions.assertThat(prototypeBean2.getCount()).isEqualTo(1);
    }
    @Test
    void singletonClientUserPrototype(){
        AnnotationConfigApplicationContext ac =
                new AnnotationConfigApplicationContext(ClientBean.class,PrototypeBean.class);
        ClientBean clientBean1 = ac.getBean(ClientBean.class);
        int count1= clientBean1.logic();
        Assertions.assertThat(count1).isEqualTo(1);

        ClientBean clientBean2 = ac.getBean(ClientBean.class);
        int count2= clientBean2.logic();
        Assertions.assertThat(count2).isEqualTo(2);

    }

    @Scope("singleton")
     static class ClientBean{
        private final PrototypeBean prototypeBean;



        @Autowired
        public ClientBean(PrototypeBean prototypeBean) {
            this.prototypeBean = prototypeBean;
        }

        public int logic(){
            prototypeBean.addCount();
            int count = prototypeBean.getCount();
            return count;
        }
    }

    @Scope("prototype")
    static class PrototypeBean{
        private int count =0;

        public void addCount(){
            count++;
        }
        public int getCount(){
            return count;
        }

        @PostConstruct
        public void init() {
            System.out.println("PrototypeBean.init" + this);
        }

        @PreDestroy
        public void destroy() {
            System.out.println("PrototypeBean.destroy" + this);
        }
    }
}