spring core aop : proxy - internal call problem

spring-core/aop/src/main/java/com/example/aop/internalcall/CallServiceV0.java

@@ -0,0 +1,21 @@
+package com.example.aop.internalcall;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+
+@Slf4j
+@Component
+public class CallServiceV0 {
+
+    /**
+     * 객체에서 내부 메소드를 호출 하는 경우 프록시가 적용 되지 않는 문제 발생
+     */
+    public void external() {
+        log.info("call external");
+        internal();
+    }
+
+    public void internal() {
+        log.info("call internal");
+    }
+}

spring-core/aop/src/main/java/com/example/aop/internalcall/aop/CallLogAspect.java

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+package com.example.aop.internalcall.aop;
+
+import lombok.extern.slf4j.Slf4j;
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Before;
+
+@Slf4j
+@Aspect
+public class CallLogAspect {
+
+    @Before("execution(* com.example.aop.internalcall..*.*(..))")
+    public void doLog(JoinPoint joinPoint) {
+        log.info("aop={}", joinPoint.getSignature());
+    }
+}

spring-core/aop/src/test/java/com/example/aop/internalcall/CallServiceV0Test.java

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+package com.example.aop.internalcall;
+
+import com.example.aop.internalcall.aop.CallLogAspect;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.Import;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@Slf4j
+@Import(CallLogAspect.class)
+@SpringBootTest
+class CallServiceV0Test {
+
+    @Autowired
+    CallServiceV0 callServiceV0;
+
+    @Test
+    void external() {
+        callServiceV0.external();
+    }
+
+    @Test
+    void internal() {
+        callServiceV0.internal();
+    }
+}