Merge pull request #45382 from quaff

* pr/45382:
  Polish "Test that source information is resolved from super class"
  Test that source information is resolved from super class

Closes gh-45382

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/PropertyDescriptorResolverTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -56,6 +56,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Stephane Nicoll
  * @author Scott Frederick
+ * @author Yanming Zhou
  */
 class PropertyDescriptorResolverTests {
 
@@ -77,9 +78,13 @@ class PropertyDescriptorResolverTests {
 						.map((descriptor) -> descriptor.getGetter().getEnclosingElement().getSimpleName().toString()))
 						.containsExactly("HierarchicalProperties", "HierarchicalPropertiesParent",
 								"HierarchicalPropertiesParent");
-					assertThat(resolver.resolve(type, null)
+					List<ItemMetadata> itemMetadataList = resolver.resolve(type, null)
 						.map((descriptor) -> descriptor.resolveItemMetadata("test", metadataEnv))
-						.map(ItemMetadata::getDefaultValue)).containsExactly("three", "two", "one");
+						.toList();
+					assertThat(itemMetadataList).map(ItemMetadata::getDefaultValue)
+						.containsExactly("three", "two", "one");
+					assertThat(itemMetadataList).map(ItemMetadata::getDescription)
+						.containsExactly("Concrete property.", "Parent property.", "Grandparent property.");
 				});
 	}
 

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/simple/HierarchicalProperties.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2025 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 +26,9 @@ import org.springframework.boot.configurationsample.ConfigurationProperties;
 @ConfigurationProperties(prefix = "hierarchical")
 public class HierarchicalProperties extends HierarchicalPropertiesParent {
 
+	/**
+	 * Concrete property.
+	 */
 	private String third = "three";
 
 	public String getThird() {

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/simple/HierarchicalPropertiesGrandparent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -23,6 +23,9 @@ package org.springframework.boot.configurationsample.simple;
  */
 public abstract class HierarchicalPropertiesGrandparent {
 
+	/**
+	 * Grandparent property.
+	 */
 	private String first = "one";
 
 	public String getFirst() {

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationsample/simple/HierarchicalPropertiesParent.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -23,6 +23,9 @@ package org.springframework.boot.configurationsample.simple;
  */
 public abstract class HierarchicalPropertiesParent extends HierarchicalPropertiesGrandparent {
 
+	/**
+	 * Parent property.
+	 */
 	private String second = "two";
 
 	public String getSecond() {