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ApplicationContextBeanFindTests.java
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ApplicationContextBeanFindTests.java
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package com.example.core.beanfind;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import com.example.core.config.AppConfig;
import com.example.core.service.MemberService;
import com.example.core.service.impl.MemberServiceImpl;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
class ApplicationContextBeanFindTests {
private final ApplicationContext applicationContext
= new AnnotationConfigApplicationContext(AppConfig.class);
@Test
@DisplayName("getBean by bean name")
void findBeanByName() {
Object memberService = applicationContext.getBean("memberService");
assertThat(memberService)
.isInstanceOf(MemberService.class)
.isInstanceOf(MemberServiceImpl.class);
}
@Test
@DisplayName("getBean by bean name and type")
void findBeanByNameAndType() {
MemberService memberService
= applicationContext.getBean("memberService", MemberService.class);
assertThat(memberService)
.isInstanceOf(MemberService.class)
.isInstanceOf(MemberServiceImpl.class);
}
@Test
@DisplayName("getBean by bean type")
void findBeanByType() {
MemberService memberService
= applicationContext.getBean(MemberService.class);
assertThat(memberService)
.isInstanceOf(MemberService.class)
.isInstanceOf(MemberServiceImpl.class);
}
@Test
@DisplayName("등록되지 않은 Bean을 조회할 시, NoSuchBeanDefinitionException 발생")
void testNoSuchBeanDefinitionException() {
assertThatExceptionOfType(NoSuchBeanDefinitionException.class)
.isThrownBy(() -> applicationContext.getBean("xxxBean"));
}
}