2022-12-26-Mon-17:35

src/test/java/hello/core/beanfind/ApplicationContextInfoTest.java

@@ -0,0 +1,36 @@
+package hello.core.beanfind;
+
+import hello.core.order.AppConfig;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+public class ApplicationContextInfoTest {
+
+    AnnotationConfigApplicationContext ac = new AnnotationConfigApplicationContext(AppConfig.class);
+
+    @Test
+    @DisplayName("모든 Bean 출력")
+    void findAllBean() {
+        String[] beanDefinitionNames = ac.getBeanDefinitionNames();
+        for (String beanDefinitionName : beanDefinitionNames) {
+            Object bean = ac.getBean(beanDefinitionName);
+            System.out.println("name = " + beanDefinitionName + " object = " + bean); // bean 이 key, soutv 부분이 value
+        }
+    }
+    @Test
+    @DisplayName("Application Bean 출력") // ROLE_APPLICATION: 직접 등록한 애플리케이션 Bean
+    void findApplicationBean() {
+        String[] beanDefinitionNames = ac.getBeanDefinitionNames();
+        for (String beanDefinitionName : beanDefinitionNames) {
+            BeanDefinition beanDefinition = ac.getBeanDefinition(beanDefinitionName);
+
+            // cf) ROLE_INFRASTRUCTURE: 스프링이 내부에서 사용하는 Bean
+            if (beanDefinition.getRole() == BeanDefinition.ROLE_APPLICATION) {
+                Object bean = ac.getBean(beanDefinitionName);
+                System.out.println("name = " + beanDefinitionName + " object = " + bean); // bean 이 key, soutv 부분이 value
+            }
+        }
+    }
+}