Merge branch 'gh-29639' into 2.6.x

Closes gh-29909

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/mock/mockito/MockitoPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@ import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeSet;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.springframework.aop.scope.ScopedProxyUtils;
 import org.springframework.beans.BeansException;
@@ -433,6 +434,8 @@ public class MockitoPostProcessor implements InstantiationAwareBeanPostProcessor
 
 		private static final String BEAN_NAME = SpyPostProcessor.class.getName();
 
+		private final Map<String, Object> earlySpyReferences = new ConcurrentHashMap<>(16);
+
 		private final MockitoPostProcessor mockitoPostProcessor;
 
 		SpyPostProcessor(MockitoPostProcessor mockitoPostProcessor) {
@@ -446,6 +449,10 @@ public class MockitoPostProcessor implements InstantiationAwareBeanPostProcessor
 
 		@Override
 		public Object getEarlyBeanReference(Object bean, String beanName) throws BeansException {
+			if (bean instanceof FactoryBean) {
+				return bean;
+			}
+			this.earlySpyReferences.put(getCacheKey(bean, beanName), bean);
 			return this.mockitoPostProcessor.createSpyIfNecessary(bean, beanName);
 		}
 
@@ -454,7 +461,14 @@ public class MockitoPostProcessor implements InstantiationAwareBeanPostProcessor
 			if (bean instanceof FactoryBean) {
 				return bean;
 			}
-			return this.mockitoPostProcessor.createSpyIfNecessary(bean, beanName);
+			if (this.earlySpyReferences.remove(getCacheKey(bean, beanName)) != bean) {
+				return this.mockitoPostProcessor.createSpyIfNecessary(bean, beanName);
+			}
+			return bean;
+		}
+
+		private String getCacheKey(Object bean, String beanName) {
+			return StringUtils.hasLength(beanName) ? beanName : bean.getClass().getName();
 		}
 
 		static void register(BeanDefinitionRegistry registry) {