Merge branch '3.4.x'

Closes gh-44580

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelectorTests.java

@@ -166,6 +166,8 @@ class AutoConfigurationImportSelectorTests {
 	}
 
 	@Test
+	@WithTestAutoConfigurationImportsResource
+	@WithTestAutoConfigurationReplacementsResource
 	void removedExclusionsAreApplied() {
 		TestAutoConfigurationImportSelector importSelector = new TestAutoConfigurationImportSelector(
 				TestAutoConfiguration.class);
@@ -234,7 +236,9 @@ class AutoConfigurationImportSelectorTests {
 	}
 
 	@Test
-	void soringConsidersReplacements() {
+	@WithTestAutoConfigurationImportsResource
+	@WithTestAutoConfigurationReplacementsResource
+	void sortingConsidersReplacements() {
 		TestAutoConfigurationImportSelector importSelector = new TestAutoConfigurationImportSelector(
 				TestAutoConfiguration.class);
 		setupImportSelector(importSelector);
@@ -397,4 +401,28 @@ class AutoConfigurationImportSelectorTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(
+			name = "META-INF/spring/org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$TestAutoConfiguration.imports",
+			content = """
+					org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$AfterDeprecatedAutoConfiguration
+					org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$ReplacementAutoConfiguration
+					""")
+	@interface WithTestAutoConfigurationImportsResource {
+
+	}
+
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(
+			name = "META-INF/spring/org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$TestAutoConfiguration.replacements",
+			content = """
+					org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$DeprecatedAutoConfiguration=\
+					org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$ReplacementAutoConfiguration
+					""")
+	@interface WithTestAutoConfigurationReplacementsResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationMetadataLoaderTests.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.
@@ -20,6 +20,8 @@ import java.util.Collections;
 
 import org.junit.jupiter.api.Test;
 
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
+
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -27,6 +29,12 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Phillip Webb
  */
+@WithResource(name = "metadata.properties", content = """
+		test=
+		test.string=abc
+		test.int=123
+		test.set=a,b,b,c
+		""")
 class AutoConfigurationMetadataLoaderTests {
 
 	@Test
@@ -90,8 +98,8 @@ class AutoConfigurationMetadataLoaderTests {
 	}
 
 	private AutoConfigurationMetadata load() {
-		return AutoConfigurationMetadataLoader.loadMetadata(null,
-				"META-INF/AutoConfigurationMetadataLoaderTests.properties");
+		ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+		return AutoConfigurationMetadataLoader.loadMetadata(classLoader, "metadata.properties");
 	}
 
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/AutoConfigurationReplacementsTests.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.
@@ -24,8 +24,11 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
+
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -33,10 +36,21 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Phillip Webb
  */
+@WithResource(
+		name = "META-INF/spring/org.springframework.boot.autoconfigure.AutoConfigurationReplacementsTests$TestAutoConfigurationReplacements.replacements",
+		content = """
+				com.example.A1=com.example.A2
+				com.example.B1=com.example.B2
+				""")
 class AutoConfigurationReplacementsTests {
 
-	private final AutoConfigurationReplacements replacements = AutoConfigurationReplacements
-		.load(TestAutoConfigurationReplacements.class, null);
+	private AutoConfigurationReplacements replacements;
+
+	@BeforeEach
+	void loadReplacements() {
+		this.replacements = AutoConfigurationReplacements.load(TestAutoConfigurationReplacements.class,
+				Thread.currentThread().getContextClassLoader());
+	}
 
 	@Test
 	void replaceWhenMatchReplacesClassName() {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/ImportAutoConfigurationImportSelectorTests.java

@@ -28,6 +28,7 @@ import org.junit.jupiter.api.Test;
 
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.annotation.AliasFor;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.type.AnnotationMetadata;
@@ -74,6 +75,12 @@ class ImportAutoConfigurationImportSelectorTests {
 	}
 
 	@Test
+	@WithResource(
+			name = "META-INF/spring/org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$FromImportsFile.imports",
+			content = """
+					org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$ImportedAutoConfiguration
+					org.springframework.boot.autoconfigure.missing.MissingAutoConfiguration
+					""")
 	void importsAreSelectedFromImportsFile() throws Exception {
 		AnnotationMetadata annotationMetadata = getAnnotationMetadata(FromImportsFile.class);
 		String[] imports = this.importSelector.selectImports(annotationMetadata);
@@ -83,9 +90,15 @@ class ImportAutoConfigurationImportSelectorTests {
 	}
 
 	@Test
+	@WithResource(
+			name = "META-INF/spring/org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$FromImportsFile.imports",
+			content = """
+					optional:org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$ImportedAutoConfiguration
+					optional:org.springframework.boot.autoconfigure.missing.MissingAutoConfiguration
+					org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$AnotherImportedAutoConfiguration
+					""")
 	void importsSelectedFromImportsFileIgnoreMissingOptionalClasses() throws Exception {
-		AnnotationMetadata annotationMetadata = getAnnotationMetadata(
-				FromImportsFileIgnoresMissingOptionalClasses.class);
+		AnnotationMetadata annotationMetadata = getAnnotationMetadata(FromImportsFile.class);
 		String[] imports = this.importSelector.selectImports(annotationMetadata);
 		assertThat(imports).containsExactly(
 				"org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$ImportedAutoConfiguration",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/amqp/RabbitAutoConfigurationTests.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.
@@ -910,9 +910,8 @@ class RabbitAutoConfigurationTests {
 	void enableSslWithBundle() {
 		this.contextRunner.withUserConfiguration(TestConfiguration.class)
 			.withPropertyValues("spring.rabbitmq.ssl.bundle=test-bundle",
-					"spring.ssl.bundle.jks.test-bundle.keystore.location=classpath:test.jks",
-					"spring.ssl.bundle.jks.test-bundle.keystore.password=secret",
-					"spring.ssl.bundle.jks.test-bundle.key.password=password")
+					"spring.ssl.bundle.jks.test-bundle.keystore.location=classpath:org/springframework/boot/autoconfigure/amqp/test.jks",
+					"spring.ssl.bundle.jks.test-bundle.keystore.password=secret")
 			.run((context) -> {
 				com.rabbitmq.client.ConnectionFactory rabbitConnectionFactory = getTargetConnectionFactory(context);
 				assertThat(rabbitConnectionFactory.isSSL()).isTrue();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfigurationTests.java

@@ -72,6 +72,8 @@ import org.springframework.boot.sql.init.DatabaseInitializationSettings;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.system.OutputCaptureExtension;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -288,13 +290,13 @@ class BatchAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("custom-schema.sql")
 	void testRenamePrefix() {
 		this.contextRunner
 			.withUserConfiguration(TestConfiguration.class, EmbeddedDataSourceConfiguration.class,
 					HibernateJpaAutoConfiguration.class)
 			.withPropertyValues("spring.datasource.generate-unique-name=true",
-					"spring.batch.jdbc.schema:classpath:batch/custom-schema.sql",
-					"spring.batch.jdbc.tablePrefix:PREFIX_")
+					"spring.batch.jdbc.schema:classpath:custom-schema.sql", "spring.batch.jdbc.tablePrefix:PREFIX_")
 			.run((context) -> {
 				assertThat(context).hasSingleBean(JobLauncher.class);
 				assertThat(context.getBean(BatchProperties.class).getJdbc().getInitializeSchema())
@@ -412,6 +414,7 @@ class BatchAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-master.yaml", content = "databaseChangeLog:")
 	void jobRepositoryBeansDependOnLiquibase() {
 		this.contextRunner.withUserConfiguration(TestConfiguration.class, EmbeddedDataSourceConfiguration.class)
 			.withUserConfiguration(LiquibaseAutoConfiguration.class)

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/batch/BatchAutoConfigurationWithoutJpaTests.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.
@@ -34,6 +34,7 @@ import org.springframework.boot.autoconfigure.transaction.TransactionAutoConfigu
 import org.springframework.boot.sql.init.DatabaseInitializationMode;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.transaction.annotation.Isolation;
 
@@ -70,11 +71,11 @@ class BatchAutoConfigurationWithoutJpaTests {
 	}
 
 	@Test
+	@WithPackageResources("custom-schema.sql")
 	void jdbcWithCustomPrefix() {
 		this.contextRunner.withUserConfiguration(DefaultConfiguration.class, EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.datasource.generate-unique-name=true",
-					"spring.batch.jdbc.schema:classpath:batch/custom-schema.sql",
-					"spring.batch.jdbc.tablePrefix:PREFIX_")
+					"spring.batch.jdbc.schema:classpath:custom-schema.sql", "spring.batch.jdbc.tablePrefix:PREFIX_")
 			.run((context) -> {
 				assertThat(new JdbcTemplate(context.getBean(DataSource.class))
 					.queryForList("select * from PREFIX_JOB_EXECUTION")).isEmpty();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfigurationTests.java

@@ -16,6 +16,10 @@
 
 package org.springframework.boot.autoconfigure.cache;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -48,6 +52,7 @@ import org.springframework.boot.autoconfigure.cache.support.MockCachingProvider.
 import org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.cache.Cache;
 import org.springframework.cache.Cache.ValueWrapper;
 import org.springframework.cache.CacheManager;
@@ -481,6 +486,7 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void hazelcastCacheExplicit() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(HazelcastAutoConfiguration.class))
 			.withUserConfiguration(DefaultCacheConfiguration.class)
@@ -496,6 +502,7 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void hazelcastCacheWithCustomizers() {
 		this.contextRunner.withUserConfiguration(HazelcastCacheAndCustomizersConfiguration.class)
 			.withPropertyValues("spring.cache.type=hazelcast")
@@ -548,10 +555,31 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "hazelcast-specific.xml", content = """
+			<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-5.0.xsd"
+					   xmlns="http://www.hazelcast.com/schema/config"
+					   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+
+				<queue name="foobar"/>
+
+				<map name="foobar">
+					<time-to-live-seconds>3600</time-to-live-seconds>
+					<max-idle-seconds>600</max-idle-seconds>
+				</map>
+
+				<network>
+					<join>
+						<auto-detection enabled="false" />
+						<multicast enabled="false"/>
+					</join>
+				</network>
+
+			</hazelcast>
+			""")
 	void hazelcastAsJCacheWithConfig() {
 		String cachingProviderFqn = HazelcastServerCachingProvider.class.getName();
 		try {
-			String configLocation = "org/springframework/boot/autoconfigure/hazelcast/hazelcast-specific.xml";
+			String configLocation = "hazelcast-specific.xml";
 			this.contextRunner.withUserConfiguration(DefaultCacheConfiguration.class)
 				.withPropertyValues("spring.cache.type=jcache", "spring.cache.jcache.provider=" + cachingProviderFqn,
 						"spring.cache.jcache.config=" + configLocation)
@@ -568,6 +596,7 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void hazelcastAsJCacheWithExistingHazelcastInstance() {
 		String cachingProviderFqn = HazelcastServerCachingProvider.class.getName();
 		this.contextRunner.withConfiguration(AutoConfigurations.of(HazelcastAutoConfiguration.class))
@@ -587,6 +616,7 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 	}
 
 	@Test
+	@WithInfinispanXmlResource
 	void infinispanCacheWithConfig() {
 		this.contextRunner.withUserConfiguration(DefaultCacheConfiguration.class)
 			.withPropertyValues("spring.cache.type=infinispan", "spring.cache.infinispan.config=infinispan.xml")
@@ -635,6 +665,7 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 	}
 
 	@Test
+	@WithInfinispanXmlResource
 	void infinispanAsJCacheWithConfig() {
 		String cachingProviderClassName = JCachingProvider.class.getName();
 		String configLocation = "infinispan.xml";
@@ -1078,4 +1109,45 @@ class CacheAutoConfigurationTests extends AbstractCacheAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "infinispan.xml", content = """
+			<?xml version="1.0" encoding="UTF-8"?>
+			<infinispan>
+
+				<!-- ************************************** -->
+				<!-- Corresponds to @Cacheable("cache-name") -->
+				<!-- ************************************** -->
+				<cache-container default-cache="default">
+					<local-cache name="default"/>
+					<local-cache name="foo"/>
+					<local-cache name="bar" />
+				</cache-container>
+
+			</infinispan>
+			""")
+	@interface WithInfinispanXmlResource {
+
+	}
+
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "hazelcast.xml", content = """
+			<hazelcast
+				xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-5.0.xsd"
+				xmlns="http://www.hazelcast.com/schema/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+				<instance-name>default-instance</instance-name>
+				<map name="defaultCache" />
+				<network>
+					<join>
+						<auto-detection enabled="false" />
+						<multicast enabled="false" />
+					</join>
+				</network>
+			</hazelcast>
+			""")
+	@interface WithHazelcastXmlResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cache/EhCache3CacheAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -21,6 +21,7 @@ import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.cache.CacheAutoConfigurationTests.DefaultCacheConfiguration;
 import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.cache.jcache.JCacheCacheManager;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.core.io.Resource;
@@ -49,6 +50,34 @@ class EhCache3CacheAutoConfigurationTests extends AbstractCacheAutoConfiguration
 	}
 
 	@Test
+	@WithResource(name = "ehcache3.xml", content = """
+			<config
+					xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
+					xmlns='http://www.ehcache.org/v3'
+					xmlns:jsr107='http://www.ehcache.org/v3/jsr107'
+					xsi:schemaLocation="
+			        http://www.ehcache.org/v3 https://www.ehcache.org/schema/ehcache-core-3.10.xsd
+			        http://www.ehcache.org/v3/jsr107 https://www.ehcache.org/schema/ehcache-107-ext-3.10.xsd">
+
+				<cache-template name="example">
+					<heap unit="entries">200</heap>
+				</cache-template>
+
+				<cache alias="foo" uses-template="example">
+					<expiry>
+						<ttl unit="seconds">600</ttl>
+					</expiry>
+					<jsr107:mbeans enable-statistics="true"/>
+				</cache>
+
+				<cache alias="bar" uses-template="example">
+					<expiry>
+						<ttl unit="seconds">400</ttl>
+					</expiry>
+				</cache>
+
+			</config>
+			""")
 	void ehcache3AsJCacheWithConfig() {
 		String cachingProviderFqn = EhcacheCachingProvider.class.getName();
 		String configLocation = "ehcache3.xml";

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cassandra/CassandraAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -38,6 +38,7 @@ import org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfigurati
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.ssl.NoSuchSslBundleException;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -89,6 +90,7 @@ class CassandraAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void cqlSessionBuilderWithSslBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.cassandra.ssl.bundle=test-bundle",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnResourceTests.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.
@@ -19,6 +19,7 @@ package org.springframework.boot.autoconfigure.condition;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -35,6 +36,7 @@ class ConditionalOnResourceTests {
 	private final AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
 
 	@Test
+	@WithResource(name = "schema.sql")
 	void testResourceExists() {
 		this.context.register(BasicConfiguration.class);
 		this.context.refresh();
@@ -43,6 +45,7 @@ class ConditionalOnResourceTests {
 	}
 
 	@Test
+	@WithResource(name = "schema.sql")
 	void testResourceExistsWithPlaceholder() {
 		TestPropertyValues.of("schema=schema.sql").applyTo(this.context);
 		this.context.register(PlaceholderConfiguration.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ResourceConditionTests.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.
@@ -20,6 +20,7 @@ import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
@@ -45,6 +46,7 @@ class ResourceConditionTests {
 	}
 
 	@Test
+	@WithResource(name = "logging.properties")
 	void defaultResourceAndNoExplicitKey() {
 		load(DefaultLocationConfiguration.class);
 		assertThat(this.context.containsBean("foo")).isTrue();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/context/MessageSourceAutoConfigurationTests.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.
@@ -16,6 +16,10 @@
 
 package org.springframework.boot.autoconfigure.context;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Locale;
 
 import org.junit.jupiter.api.Disabled;
@@ -28,6 +32,7 @@ import org.springframework.boot.autoconfigure.context.MessageSourceAutoConfigura
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.MessageSource;
 import org.springframework.context.MessageSourceResolvable;
 import org.springframework.context.annotation.Bean;
@@ -59,6 +64,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void propertiesBundleWithSlashIsDetected() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/messages").run((context) -> {
 			assertThat(context).hasSingleBean(MessageSource.class);
@@ -67,6 +73,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void propertiesBundleWithDotIsDetected() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test.messages").run((context) -> {
 			assertThat(context).hasSingleBean(MessageSource.class);
@@ -75,6 +82,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestSwedishPropertiesResource
 	void testEncodingWorks() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/swedish")
 			.run((context) -> assertThat(context.getMessage("foo", null, "Foo message", Locale.UK))
@@ -82,6 +90,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testCacheDurationNoUnit() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages", "spring.messages.cache-duration=10")
@@ -89,6 +98,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testCacheDurationWithUnit() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages", "spring.messages.cache-duration=1m")
@@ -103,6 +113,8 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
+	@WithTestMessages2PropertiesResource
 	void testMultipleMessageSourceCreated() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/messages,test/messages2")
 			.run((context) -> {
@@ -112,13 +124,17 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	@Disabled("Expected to fail per gh-1075")
+	@WithResource(name = "application-switch-messages.properties", content = "spring.messages.basename:test/messages")
 	void testMessageSourceFromPropertySourceAnnotation() {
 		this.contextRunner.withUserConfiguration(Config.class)
 			.run((context) -> assertThat(context.getMessage("foo", null, "Foo message", Locale.UK)).isEqualTo("bar"));
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
+	@WithResource(name = "test/common-messages.properties", content = "hello=world")
 	void testCommonMessages() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages",
@@ -127,16 +143,18 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testCommonMessagesWhenNotFound() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages",
-					"spring.messages.common-messages=classpath:test/common-messages-missing.properties")
+					"spring.messages.common-messages=classpath:test/common-messages.properties")
 			.run((context) -> assertThat(context).getFailure()
 				.hasMessageContaining(
-						"Failed to load common messages from 'class path resource [test/common-messages-missing.properties]'"));
+						"Failed to load common messages from 'class path resource [test/common-messages.properties]'"));
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testFallbackDefault() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/messages")
 			.run((context) -> assertThat(context.getBean(MessageSource.class))
@@ -144,6 +162,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testFallbackTurnOff() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages",
@@ -153,6 +172,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testFormatMessageDefault() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/messages")
 			.run((context) -> assertThat(context.getBean(MessageSource.class))
@@ -160,6 +180,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testFormatMessageOn() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages",
@@ -169,6 +190,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testUseCodeAsDefaultMessageDefault() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/messages")
 			.run((context) -> assertThat(context.getBean(MessageSource.class))
@@ -176,6 +198,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void testUseCodeAsDefaultMessageOn() {
 		this.contextRunner
 			.withPropertyValues("spring.messages.basename=test/messages",
@@ -191,6 +214,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void existingMessageSourceInParentIsIgnored() {
 		this.contextRunner.run((parent) -> this.contextRunner.withParent(parent)
 			.withPropertyValues("spring.messages.basename=test/messages")
@@ -198,6 +222,7 @@ class MessageSourceAutoConfigurationTests {
 	}
 
 	@Test
+	@WithTestMessagesPropertiesResource
 	void messageSourceWithNonStandardBeanNameIsIgnored() {
 		this.contextRunner.withPropertyValues("spring.messages.basename=test/messages")
 			.withUserConfiguration(CustomBeanNameMessageSourceConfiguration.class)
@@ -258,4 +283,25 @@ class MessageSourceAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "test/messages.properties", content = "foo=bar")
+	@interface WithTestMessagesPropertiesResource {
+
+	}
+
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "test/messages2.properties", content = "foo-foo=bar-bar")
+	@interface WithTestMessages2PropertiesResource {
+
+	}
+
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "test/swedish.properties", content = "foo=Some text with some swedish öäå!")
+	@interface WithTestSwedishPropertiesResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/couchbase/CouchbaseAutoConfigurationTests.java

@@ -42,6 +42,7 @@ import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.ssl.NoSuchSslBundleException;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -201,13 +202,14 @@ class CouchbaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void enableSslWithBundle() {
 		testClusterEnvironment((env) -> {
 			SecurityConfig securityConfig = env.securityConfig();
 			assertThat(securityConfig.tlsEnabled()).isTrue();
 			assertThat(securityConfig.trustManagerFactory()).isNotNull();
-		}, "spring.ssl.bundle.jks.test-bundle.keystore.location=classpath:test.jks",
-				"spring.ssl.bundle.jks.test-bundle.keystore.password=secret",
+		}, "spring.ssl.bundle.jks.test-bundle.truststore.location=classpath:test.jks",
+				"spring.ssl.bundle.jks.test-bundle.truststore.password=secret",
 				"spring.couchbase.env.ssl.bundle=test-bundle");
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/jdbc/JdbcRepositoriesAutoConfigurationTests.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.
@@ -33,6 +33,7 @@ import org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerA
 import org.springframework.boot.autoconfigure.jdbc.JdbcTemplateAutoConfiguration;
 import org.springframework.boot.autoconfigure.sql.init.SqlInitializationAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.domain.ManagedTypes;
@@ -61,6 +62,17 @@ import static org.mockito.Mockito.mock;
  * @author Mark Paluch
  * @author Jens Schauder
  */
+@WithResource(name = "schema.sql", content = """
+		CREATE TABLE CITY (
+		  id INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+		  name VARCHAR(30),
+		  state  VARCHAR(30),
+		  country  VARCHAR(30),
+		  map  VARCHAR(30)
+		);
+		""")
+@WithResource(name = "data.sql",
+		content = "INSERT INTO CITY (ID, NAME, STATE, COUNTRY, MAP) values (2000, 'Washington', 'DC', 'US', 'Google');")
 class JdbcRepositoriesAutoConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
@@ -208,8 +220,8 @@ class JdbcRepositoriesAutoConfigurationTests {
 		return (runner) -> runner
 			.withConfiguration(
 					AutoConfigurations.of(DataSourceAutoConfiguration.class, SqlInitializationAutoConfiguration.class))
-			.withPropertyValues("spring.sql.init.schema-locations=classpath:data-city-schema.sql",
-					"spring.sql.init.data-locations=classpath:city.sql", "spring.datasource.generate-unique-name:true");
+			.withPropertyValues("spring.sql.init.schema-locations=classpath:schema.sql",
+					"spring.sql.init.data-locations=classpath:data.sql", "spring.datasource.generate-unique-name:true");
 	}
 
 	@TestAutoConfigurationPackage(City.class)

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/r2dbc/R2dbcRepositoriesAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -31,6 +31,7 @@ import org.springframework.boot.autoconfigure.data.r2dbc.city.CityRepository;
 import org.springframework.boot.autoconfigure.r2dbc.R2dbcAutoConfiguration;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.Resource;
@@ -48,6 +49,17 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Mark Paluch
  */
+@WithResource(name = "schema.sql", content = """
+		CREATE TABLE CITY (
+		  id INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+		  name VARCHAR(30),
+		  state  VARCHAR(30),
+		  country  VARCHAR(30),
+		  map  VARCHAR(30)
+		);
+		""")
+@WithResource(name = "data.sql",
+		content = "INSERT INTO CITY (ID, NAME, STATE, COUNTRY, MAP) values (2000, 'Washington', 'DC', 'US', 'Google');")
 class R2dbcRepositoriesAutoConfigurationTests {
 
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
@@ -117,8 +129,8 @@ class R2dbcRepositoriesAutoConfigurationTests {
 		@Autowired
 		void initializeDatabase(ConnectionFactory connectionFactory) {
 			ResourceLoader resourceLoader = new DefaultResourceLoader();
-			Resource[] scripts = new Resource[] { resourceLoader.getResource("classpath:data-city-schema.sql"),
-					resourceLoader.getResource("classpath:city.sql") };
+			Resource[] scripts = new Resource[] { resourceLoader.getResource("classpath:schema.sql"),
+					resourceLoader.getResource("classpath:data.sql") };
 			new ResourceDatabasePopulator(scripts).populate(connectionFactory).block();
 		}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/redis/RedisAutoConfigurationJedisTests.java

@@ -28,6 +28,7 @@ import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.testsupport.assertj.SimpleAsyncTaskExecutorAssert;
 import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.task.SimpleAsyncTaskExecutor;
@@ -255,6 +256,7 @@ class RedisAutoConfigurationJedisTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void testRedisConfigurationWithSslBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.data.redis.ssl.bundle:test-bundle",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/redis/RedisAutoConfigurationTests.java

@@ -51,6 +51,7 @@ import org.springframework.boot.test.context.assertj.AssertableApplicationContex
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.testsupport.assertj.SimpleAsyncTaskExecutorAssert;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.task.SimpleAsyncTaskExecutor;
@@ -635,6 +636,7 @@ class RedisAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void testRedisConfigurationWithSslBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.data.redis.ssl.bundle:test-bundle",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/elasticsearch/ElasticsearchRestClientAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -41,6 +41,7 @@ import org.springframework.boot.autoconfigure.elasticsearch.ElasticsearchRestCli
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.test.util.ReflectionTestUtils;
@@ -288,6 +289,7 @@ class ElasticsearchRestClientAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	@SuppressWarnings("unchecked")
 	void configureWithSslBundle() {
 		List<String> properties = new ArrayList<>();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/flyway/FlywayAutoConfigurationTests.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.
@@ -16,6 +16,11 @@
 
 package org.springframework.boot.autoconfigure.flyway;
 
+import java.io.Serializable;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.Arrays;
@@ -25,6 +30,10 @@ import java.util.UUID;
 
 import javax.sql.DataSource;
 
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
 import org.flywaydb.core.Flyway;
 import org.flywaydb.core.api.Location;
 import org.flywaydb.core.api.MigrationVersion;
@@ -68,6 +77,8 @@ import org.springframework.boot.test.context.assertj.AssertableApplicationContex
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.system.OutputCaptureExtension;
+import org.springframework.boot.testsupport.classpath.resources.ResourcePath;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -411,7 +422,9 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
-	void failOnMissingLocationsAllExist() {
+	@WithResource(name = "db/changelog/V1.1__refine.sql")
+	@WithResource(name = "db/migration/V1__init.sql", content = "DROP TABLE IF EXISTS TEST")
+	void failOnMissingLocationsDoesNotFailWhenAllExist() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.flyway.fail-on-missing-locations=true")
 			.withPropertyValues("spring.flyway.locations:classpath:db/changelog,classpath:db/migration")
@@ -419,6 +432,8 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/V1.1__refine.sql")
+	@WithResource(name = "db/migration/V1__init.sql", content = "DROP TABLE IF EXISTS TEST")
 	void failOnMissingLocationsAllExistWithImplicitClasspathPrefix() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.flyway.fail-on-missing-locations=true")
@@ -427,10 +442,11 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
-	void failOnMissingLocationsAllExistWithFilesystemPrefix() {
+	@WithResource(name = "db/migration/V1__init.sql", content = "DROP TABLE IF EXISTS TEST")
+	void failOnMissingLocationsFilesystemPrefixDoesNotFailWhenAllExist(@ResourcePath("db/migration") String migration) {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.flyway.fail-on-missing-locations=true")
-			.withPropertyValues("spring.flyway.locations:filesystem:src/test/resources/db/migration")
+			.withPropertyValues("spring.flyway.locations:filesystem:" + migration)
 			.run((context) -> assertThat(context).hasNotFailed());
 	}
 
@@ -466,6 +482,7 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
+	@WithMetaInfPersistenceXmlResource
 	void customFlywayWithJpa() {
 		this.contextRunner
 			.withUserConfiguration(EmbeddedDataSourceConfiguration.class, CustomFlywayWithJpaConfiguration.class)
@@ -480,6 +497,7 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
+	@WithMetaInfPersistenceXmlResource
 	void customFlywayMigrationInitializerWithJpa() {
 		this.contextRunner
 			.withUserConfiguration(EmbeddedDataSourceConfiguration.class,
@@ -518,6 +536,7 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/vendors/h2/V1__init.sql", content = "DROP TABLE IF EXISTS TEST;")
 	void useVendorDirectory() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.flyway.locations=classpath:db/vendors/{vendor},classpath:db/changelog")
@@ -530,6 +549,7 @@ class FlywayAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/vendors/h2/V1__init.sql", content = "DROP TABLE IF EXISTS TEST;")
 	void useOneLocationWithVendorDirectory() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.flyway.locations=classpath:db/vendors/{vendor}")
@@ -1336,4 +1356,74 @@ class FlywayAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "META-INF/persistence.xml",
+			content = """
+					<?xml version="1.0" encoding="UTF-8"?>
+					<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence https://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
+						<persistence-unit name="manually-configured">
+							<class>org.springframework.boot.autoconfigure.flyway.FlywayAutoConfigurationTests$City</class>
+							<exclude-unlisted-classes>true</exclude-unlisted-classes>
+						</persistence-unit>
+					</persistence>
+					""")
+	@interface WithMetaInfPersistenceXmlResource {
+
+	}
+
+	@Entity
+	public static class City implements Serializable {
+
+		private static final long serialVersionUID = 1L;
+
+		@Id
+		@GeneratedValue
+		private Long id;
+
+		@Column(nullable = false)
+		private String name;
+
+		@Column(nullable = false)
+		private String state;
+
+		@Column(nullable = false)
+		private String country;
+
+		@Column(nullable = false)
+		private String map;
+
+		protected City() {
+		}
+
+		City(String name, String state, String country, String map) {
+			this.name = name;
+			this.state = state;
+			this.country = country;
+			this.map = map;
+		}
+
+		public String getName() {
+			return this.name;
+		}
+
+		public String getState() {
+			return this.state;
+		}
+
+		public String getCountry() {
+			return this.country;
+		}
+
+		public String getMap() {
+			return this.map;
+		}
+
+		@Override
+		public String toString() {
+			return getName() + "," + getState() + "," + getCountry();
+		}
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/flyway/NativeImageResourceProviderCustomizerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 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.
@@ -24,6 +24,8 @@ import org.flywaydb.core.api.resource.LoadableResource;
 import org.flywaydb.core.internal.resource.NoopResourceProvider;
 import org.junit.jupiter.api.Test;
 
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
+
 import static org.assertj.core.api.Assertions.assertThat;
 
 /**
@@ -44,6 +46,7 @@ class NativeImageResourceProviderCustomizerTests {
 	}
 
 	@Test
+	@WithResource(name = "db/migration/V1__init.sql")
 	void nativeImageResourceProviderShouldFindMigrations() {
 		FluentConfiguration configuration = new FluentConfiguration();
 		this.customizer.customize(configuration);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationReactiveIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -20,11 +20,15 @@ import java.io.StringWriter;
 import java.time.Duration;
 import java.util.Locale;
 
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import reactor.core.publisher.Mono;
+import reactor.core.scheduler.Schedulers;
 
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.ApplicationContext;
 import org.springframework.http.MediaType;
 import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
@@ -46,6 +50,12 @@ class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	private final ReactiveWebApplicationContextRunner contextRunner = new ReactiveWebApplicationContextRunner()
 		.withConfiguration(AutoConfigurations.of(FreeMarkerAutoConfiguration.class));
 
+	@BeforeEach
+	@AfterEach
+	void clearReactorSchedulers() {
+		Schedulers.shutdownNow();
+	}
+
 	@Test
 	void defaultConfiguration() {
 		this.contextRunner.run((context) -> {
@@ -57,6 +67,7 @@ class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.ftlh", content = "home")
 	void defaultViewResolution() {
 		this.contextRunner.run((context) -> {
 			MockServerWebExchange exchange = render(context, "home");
@@ -67,6 +78,7 @@ class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/prefix/prefixed.ftlh", content = "prefixed")
 	void customPrefix() {
 		this.contextRunner.withPropertyValues("spring.freemarker.prefix:prefix/").run((context) -> {
 			MockServerWebExchange exchange = render(context, "prefixed");
@@ -76,6 +88,7 @@ class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/suffixed.freemarker", content = "suffixed")
 	void customSuffix() {
 		this.contextRunner.withPropertyValues("spring.freemarker.suffix:.freemarker").run((context) -> {
 			MockServerWebExchange exchange = render(context, "suffixed");
@@ -85,6 +98,7 @@ class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.ftlh", content = "custom")
 	void customTemplateLoaderPath() {
 		this.contextRunner.withPropertyValues("spring.freemarker.templateLoaderPath:classpath:/custom-templates/")
 			.run((context) -> {
@@ -104,6 +118,7 @@ class FreeMarkerAutoConfigurationReactiveIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/message.ftlh", content = "Message: ${greeting}")
 	void renderTemplate() {
 		this.contextRunner.withPropertyValues().run((context) -> {
 			FreeMarkerConfigurer freemarker = context.getBean(FreeMarkerConfigurer.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationServletIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -29,6 +29,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
 import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebApplicationContext;
 import org.springframework.boot.web.servlet.filter.OrderedCharacterEncodingFilter;
@@ -75,6 +76,7 @@ class FreeMarkerAutoConfigurationServletIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.ftlh", content = "home")
 	void defaultViewResolution() throws Exception {
 		load();
 		MockHttpServletResponse response = render("home");
@@ -84,6 +86,7 @@ class FreeMarkerAutoConfigurationServletIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.ftlh", content = "home")
 	void customContentType() throws Exception {
 		load("spring.freemarker.contentType:application/json");
 		MockHttpServletResponse response = render("home");
@@ -93,6 +96,7 @@ class FreeMarkerAutoConfigurationServletIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/prefix/prefixed.ftlh", content = "prefixed")
 	void customPrefix() throws Exception {
 		load("spring.freemarker.prefix:prefix/");
 		MockHttpServletResponse response = render("prefixed");
@@ -101,6 +105,7 @@ class FreeMarkerAutoConfigurationServletIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/suffixed.freemarker", content = "suffixed")
 	void customSuffix() throws Exception {
 		load("spring.freemarker.suffix:.freemarker");
 		MockHttpServletResponse response = render("suffixed");
@@ -109,6 +114,7 @@ class FreeMarkerAutoConfigurationServletIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.ftlh", content = "custom")
 	void customTemplateLoaderPath() throws Exception {
 		load("spring.freemarker.templateLoaderPath:classpath:/custom-templates/");
 		MockHttpServletResponse response = render("custom");
@@ -138,6 +144,7 @@ class FreeMarkerAutoConfigurationServletIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/message.ftlh", content = "Message: ${greeting}")
 	void renderTemplate() throws Exception {
 		load();
 		FreeMarkerConfigurer freemarker = this.context.getBean(FreeMarkerConfigurer.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerAutoConfigurationTests.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.
@@ -27,6 +27,7 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
 import org.springframework.boot.testsupport.BuildOutput;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
@@ -51,6 +52,7 @@ class FreeMarkerAutoConfigurationTests {
 		.withConfiguration(AutoConfigurations.of(FreeMarkerAutoConfiguration.class));
 
 	@Test
+	@WithResource(name = "templates/message.ftlh", content = "Message: ${greeting}")
 	void renderNonWebAppTemplate() {
 		this.contextRunner.run((context) -> {
 			freemarker.template.Configuration freemarker = context.getBean(freemarker.template.Configuration.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/freemarker/FreeMarkerTemplateAvailabilityProviderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -25,6 +25,7 @@ import org.springframework.beans.factory.aot.AotServices;
 import org.springframework.boot.autoconfigure.freemarker.FreeMarkerTemplateAvailabilityProvider.FreeMarkerTemplateAvailabilityProperties;
 import org.springframework.boot.autoconfigure.freemarker.FreeMarkerTemplateAvailabilityProvider.FreeMarkerTemplateAvailabilityRuntimeHints;
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.mock.env.MockEnvironment;
@@ -45,6 +46,7 @@ class FreeMarkerTemplateAvailabilityProviderTests {
 	private final MockEnvironment environment = new MockEnvironment();
 
 	@Test
+	@WithResource(name = "templates/home.ftlh")
 	void availabilityOfTemplateInDefaultLocation() {
 		assertThat(this.provider.isTemplateAvailable("home", this.environment, getClass().getClassLoader(),
 				this.resourceLoader))
@@ -59,6 +61,7 @@ class FreeMarkerTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.ftlh")
 	void availabilityOfTemplateWithCustomLoaderPath() {
 		this.environment.setProperty("spring.freemarker.template-loader-path", "classpath:/custom-templates/");
 		assertThat(this.provider.isTemplateAvailable("custom", this.environment, getClass().getClassLoader(),
@@ -67,6 +70,7 @@ class FreeMarkerTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.ftlh")
 	void availabilityOfTemplateWithCustomLoaderPathConfiguredAsAList() {
 		this.environment.setProperty("spring.freemarker.template-loader-path[0]", "classpath:/custom-templates/");
 		assertThat(this.provider.isTemplateAvailable("custom", this.environment, getClass().getClassLoader(),
@@ -75,6 +79,7 @@ class FreeMarkerTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/prefix/prefixed.ftlh")
 	void availabilityOfTemplateWithCustomPrefix() {
 		this.environment.setProperty("spring.freemarker.prefix", "prefix/");
 		assertThat(this.provider.isTemplateAvailable("prefixed", this.environment, getClass().getClassLoader(),
@@ -83,6 +88,7 @@ class FreeMarkerTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/suffixed.freemarker")
 	void availabilityOfTemplateWithCustomSuffix() {
 		this.environment.setProperty("spring.freemarker.suffix", ".freemarker");
 		assertThat(this.provider.isTemplateAvailable("suffixed", this.environment, getClass().getClassLoader(),

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/DefaultGraphQlSchemaConditionTests.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.
@@ -23,6 +23,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.autoconfigure.condition.ConditionEvaluationReport;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -38,6 +39,8 @@ class DefaultGraphQlSchemaConditionTests {
 	private final ApplicationContextRunner contextRunner = new ApplicationContextRunner();
 
 	@Test
+	@WithResource(name = "graphql/one.graphqls")
+	@WithResource(name = "graphql/two.graphqls")
 	void matchesWhenSchemaFilesAreDetected() {
 		this.contextRunner.withUserConfiguration(TestingConfiguration.class).run((context) -> {
 			didMatch(context);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/GraphQlAutoConfigurationTests.java

@@ -35,10 +35,13 @@ import org.springframework.aot.hint.RuntimeHints;
 import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration.GraphQlResourcesRuntimeHints;
+import org.springframework.boot.autoconfigure.logging.ConditionEvaluationReportLoggingListener;
 import org.springframework.boot.autoconfigure.task.TaskExecutionAutoConfiguration;
+import org.springframework.boot.logging.LogLevel;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.ByteArrayResource;
@@ -59,6 +62,25 @@ import static org.mockito.Mockito.mock;
 /**
  * Tests for {@link GraphQlAutoConfiguration}.
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 @ExtendWith(OutputCaptureExtension.class)
 class GraphQlAutoConfigurationTests {
 
@@ -67,7 +89,8 @@ class GraphQlAutoConfigurationTests {
 
 	@Test
 	void shouldContributeDefaultBeans() {
-		this.contextRunner.run((context) -> assertThat(context).hasSingleBean(GraphQlSource.class)
+		this.contextRunner.withInitializer(ConditionEvaluationReportLoggingListener.forLogLevel(LogLevel.INFO))
+			.run((context) -> assertThat(context).hasSingleBean(GraphQlSource.class)
 				.hasSingleBean(BatchLoaderRegistry.class)
 				.hasSingleBean(ExecutionGraphQlService.class)
 				.hasSingleBean(AnnotatedControllerConfigurer.class)
@@ -99,6 +122,12 @@ class GraphQlAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "graphql/types/person.custom", content = """
+			type Person {
+			    id: ID
+			    name: String
+			}
+			""")
 	void shouldScanLocationsWithCustomExtension() {
 		this.contextRunner.withPropertyValues("spring.graphql.schema.file-extensions:.graphqls,.custom")
 			.run((context) -> {
@@ -111,6 +140,12 @@ class GraphQlAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "graphql/types/person.custom", content = """
+			type Person {
+			    id: ID
+			    name: String
+			}
+			""")
 	void shouldConfigureAdditionalSchemaFiles() {
 		this.contextRunner
 			.withPropertyValues("spring.graphql.schema.additional-files=classpath:graphql/types/person.custom")

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/data/GraphQlQueryByExampleAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -18,12 +18,11 @@ package org.springframework.boot.autoconfigure.graphql.data;
 
 import java.util.Optional;
 
-import org.junit.jupiter.api.Test;
-
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.graphql.Book;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.repository.CrudRepository;
@@ -41,6 +40,25 @@ import static org.mockito.Mockito.mock;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlQueryByExampleAutoConfigurationTests {
 
 	private static final Book book = new Book("42", "Test title", 42, "Test Author");
@@ -51,7 +69,6 @@ class GraphQlQueryByExampleAutoConfigurationTests {
 		.withUserConfiguration(MockRepositoryConfig.class)
 		.withPropertyValues("spring.main.web-application-type=servlet");
 
-	@Test
 	void shouldRegisterDataFetcherForQueryByExampleRepositories() {
 		this.contextRunner.run((context) -> {
 			ExecutionGraphQlService graphQlService = context.getBean(ExecutionGraphQlService.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/data/GraphQlQuerydslAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -25,6 +25,7 @@ import org.springframework.boot.autoconfigure.graphql.Book;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.querydsl.QuerydslPredicateExecutor;
@@ -44,6 +45,25 @@ import static org.mockito.Mockito.mock;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlQuerydslAutoConfigurationTests {
 
 	private static final Book book = new Book("42", "Test title", 42, "Test Author");

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/data/GraphQlReactiveQueryByExampleAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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 +23,7 @@ import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.graphql.Book;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.repository.query.ReactiveQueryByExampleExecutor;
@@ -41,6 +42,25 @@ import static org.mockito.Mockito.mock;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlReactiveQueryByExampleAutoConfigurationTests {
 
 	private static final Mono<Book> bookPublisher = Mono.just(new Book("42", "Test title", 42, "Test Author"));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/data/GraphQlReactiveQuerydslAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -24,6 +24,7 @@ import org.springframework.boot.autoconfigure.graphql.Book;
 import org.springframework.boot.autoconfigure.graphql.GraphQlAutoConfiguration;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.querydsl.ReactiveQuerydslPredicateExecutor;
@@ -43,6 +44,25 @@ import static org.mockito.Mockito.mock;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlReactiveQuerydslAutoConfigurationTests {
 
 	private static final Mono<Book> bookPublisher = Mono.just(new Book("42", "Test title", 42, "Test Author"));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/reactive/GraphQlWebFluxAutoConfigurationTests.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.
@@ -34,6 +34,7 @@ import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.HttpHandlerAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
@@ -57,6 +58,25 @@ import static org.hamcrest.Matchers.containsString;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlWebFluxAutoConfigurationTests {
 
 	private static final String BASE_URL = "https://spring.example.org/";

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/rsocket/GraphQlRSocketAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -36,6 +36,7 @@ import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfigurat
 import org.springframework.boot.autoconfigure.web.reactive.error.ErrorWebFluxAutoConfiguration;
 import org.springframework.boot.rsocket.context.RSocketPortInfoApplicationContextInitializer;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.context.ServerPortInfoApplicationContextInitializer;
 import org.springframework.boot.web.embedded.netty.NettyReactiveWebServerFactory;
 import org.springframework.boot.web.embedded.netty.NettyRouteProvider;
@@ -53,6 +54,25 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlRSocketAutoConfigurationTests {
 
 	private final ReactiveWebApplicationContextRunner contextRunner = new ReactiveWebApplicationContextRunner()

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/security/GraphQlWebFluxSecurityAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2024 the original author or authors.
+ * Copyright 2020-2025 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.
@@ -34,6 +34,7 @@ import org.springframework.boot.autoconfigure.security.reactive.ReactiveSecurity
 import org.springframework.boot.autoconfigure.web.reactive.HttpHandlerAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfiguration;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.graphql.execution.ErrorType;
@@ -60,6 +61,25 @@ import static org.springframework.security.config.Customizer.withDefaults;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlWebFluxSecurityAutoConfigurationTests {
 
 	private static final String BASE_URL = "https://spring.example.org/graphql";

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/security/GraphQlWebMvcSecurityAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2020-2025 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.
@@ -31,6 +31,7 @@ import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfi
 import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.graphql.execution.ErrorType;
@@ -60,6 +61,25 @@ import static org.springframework.test.web.servlet.request.MockMvcRequestBuilder
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlWebMvcSecurityAutoConfigurationTests {
 
 	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/graphql/servlet/GraphQlWebMvcAutoConfigurationTests.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.
@@ -34,6 +34,7 @@ import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
@@ -61,6 +62,25 @@ import static org.springframework.test.web.servlet.request.MockMvcRequestBuilder
  *
  * @author Brian Clozel
  */
+@WithResource(name = "graphql/types/book.graphqls", content = """
+		type Book {
+		    id: ID
+		    name: String
+		    pageCount: Int
+		    author: String
+		}
+		""")
+@WithResource(name = "graphql/schema.graphqls", content = """
+		type Query {
+		    greeting(name: String! = "Spring"): String!
+		    bookById(id: ID): Book
+		    books: BookConnection
+		}
+
+		type Subscription {
+		    booksOnSale(minPages: Int) : Book!
+		}
+		""")
 class GraphQlWebMvcAutoConfigurationTests {
 
 	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/groovy/template/GroovyTemplateAutoConfigurationTests.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.
@@ -31,6 +31,7 @@ import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.test.util.TestPropertyValues;
 import org.springframework.boot.testsupport.BuildOutput;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebApplicationContext;
 import org.springframework.context.i18n.LocaleContextHolder;
 import org.springframework.core.io.ClassPathResource;
@@ -83,6 +84,7 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.tpl", content = "yield 'home'")
 	void defaultViewResolution() throws Exception {
 		registerAndRefreshContext();
 		MockHttpServletResponse response = render("home");
@@ -92,6 +94,11 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/includes.tpl", content = """
+			yield 'include'
+			include template: 'included.tpl'
+			""")
+	@WithResource(name = "templates/included.tpl", content = "yield 'here'")
 	void includesViewResolution() throws Exception {
 		registerAndRefreshContext();
 		MockHttpServletResponse response = render("includes");
@@ -108,6 +115,11 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/includes.tpl", content = """
+			yield 'include'
+			include template: 'included.tpl'
+			""")
+	@WithResource(name = "templates/included_fr.tpl", content = "yield 'voila'")
 	void localeViewResolution() throws Exception {
 		registerAndRefreshContext();
 		MockHttpServletResponse response = render("includes", Locale.FRENCH);
@@ -117,6 +129,7 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.tpl", content = "yield 'home'")
 	void customContentType() throws Exception {
 		registerAndRefreshContext("spring.groovy.template.contentType:application/json");
 		MockHttpServletResponse response = render("home");
@@ -126,6 +139,7 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/prefix/prefixed.tpl", content = "yield \"prefixed\"")
 	void customPrefix() throws Exception {
 		registerAndRefreshContext("spring.groovy.template.prefix:prefix/");
 		MockHttpServletResponse response = render("prefixed");
@@ -134,6 +148,7 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/suffixed.groovytemplate", content = "yield \"suffixed\"")
 	void customSuffix() throws Exception {
 		registerAndRefreshContext("spring.groovy.template.suffix:.groovytemplate");
 		MockHttpServletResponse response = render("suffixed");
@@ -142,6 +157,7 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.tpl", content = "yield \"custom\"")
 	void customTemplateLoaderPath() throws Exception {
 		registerAndRefreshContext("spring.groovy.template.resource-loader-path:classpath:/custom-templates/");
 		MockHttpServletResponse response = render("custom");
@@ -156,6 +172,7 @@ class GroovyTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/message.tpl", content = "yield \"Message: ${greeting}\"")
 	void renderTemplate() throws Exception {
 		registerAndRefreshContext();
 		GroovyMarkupConfig config = this.context.getBean(GroovyMarkupConfig.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/groovy/template/GroovyTemplateAvailabilityProviderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -25,6 +25,7 @@ import org.springframework.beans.factory.aot.AotServices;
 import org.springframework.boot.autoconfigure.groovy.template.GroovyTemplateAvailabilityProvider.GroovyTemplateAvailabilityProperties;
 import org.springframework.boot.autoconfigure.groovy.template.GroovyTemplateAvailabilityProvider.GroovyTemplateAvailabilityRuntimeHints;
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.mock.env.MockEnvironment;
@@ -45,6 +46,7 @@ class GroovyTemplateAvailabilityProviderTests {
 	private final MockEnvironment environment = new MockEnvironment();
 
 	@Test
+	@WithResource(name = "templates/home.tpl")
 	void availabilityOfTemplateInDefaultLocation() {
 		assertThat(this.provider.isTemplateAvailable("home", this.environment, getClass().getClassLoader(),
 				this.resourceLoader))
@@ -59,6 +61,7 @@ class GroovyTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.tpl")
 	void availabilityOfTemplateWithCustomLoaderPath() {
 		this.environment.setProperty("spring.groovy.template.resource-loader-path", "classpath:/custom-templates/");
 		assertThat(this.provider.isTemplateAvailable("custom", this.environment, getClass().getClassLoader(),
@@ -67,6 +70,7 @@ class GroovyTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.tpl")
 	void availabilityOfTemplateWithCustomLoaderPathConfiguredAsAList() {
 		this.environment.setProperty("spring.groovy.template.resource-loader-path[0]", "classpath:/custom-templates/");
 		assertThat(this.provider.isTemplateAvailable("custom", this.environment, getClass().getClassLoader(),
@@ -75,6 +79,7 @@ class GroovyTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/prefix/prefixed.tpl")
 	void availabilityOfTemplateWithCustomPrefix() {
 		this.environment.setProperty("spring.groovy.template.prefix", "prefix/");
 		assertThat(this.provider.isTemplateAvailable("prefixed", this.environment, getClass().getClassLoader(),
@@ -83,6 +88,7 @@ class GroovyTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/suffixed.groovytemplate")
 	void availabilityOfTemplateWithCustomSuffix() {
 		this.environment.setProperty("spring.groovy.template.suffix", ".groovytemplate");
 		assertThat(this.provider.isTemplateAvailable("suffixed", this.environment, getClass().getClassLoader(),

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/hazelcast/HazelcastAutoConfigurationServerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -16,6 +16,10 @@
 
 package org.springframework.boot.autoconfigure.hazelcast;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Map;
 
 import com.hazelcast.config.Config;
@@ -38,6 +42,7 @@ import org.springframework.boot.test.context.assertj.AssertableApplicationContex
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.testsupport.classpath.ClassPathExclusions;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.env.Environment;
@@ -57,6 +62,7 @@ class HazelcastAutoConfigurationServerTests {
 		.withConfiguration(AutoConfigurations.of(HazelcastAutoConfiguration.class));
 
 	@Test
+	@WithHazelcastXmlResource
 	void defaultConfigFile() {
 		// hazelcast.xml present in root classpath
 		this.contextRunner.run((context) -> {
@@ -201,6 +207,7 @@ class HazelcastAutoConfigurationServerTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void autoConfiguredConfigUsesApplicationClassLoader() {
 		this.contextRunner.run((context) -> {
 			Config config = context.getBean(HazelcastInstance.class).getConfig();
@@ -209,6 +216,7 @@ class HazelcastAutoConfigurationServerTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void autoConfiguredConfigUsesSpringManagedContext() {
 		this.contextRunner.run((context) -> {
 			Config config = context.getBean(HazelcastInstance.class).getConfig();
@@ -217,6 +225,7 @@ class HazelcastAutoConfigurationServerTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void autoConfiguredConfigCanUseSpringAwareComponent() {
 		this.contextRunner.withPropertyValues("test.hazelcast.key=42").run((context) -> {
 			HazelcastInstance hz = context.getBean(HazelcastInstance.class);
@@ -226,14 +235,19 @@ class HazelcastAutoConfigurationServerTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void autoConfiguredConfigWithoutHazelcastSpringDoesNotUseSpringManagedContext() {
-		this.contextRunner.withClassLoader(new FilteredClassLoader(SpringManagedContext.class)).run((context) -> {
+		this.contextRunner
+			.withClassLoader(
+					new FilteredClassLoader(Thread.currentThread().getContextClassLoader(), SpringManagedContext.class))
+			.run((context) -> {
 				Config config = context.getBean(HazelcastInstance.class).getConfig();
 				assertThat(config.getManagedContext()).isNull();
 			});
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void autoConfiguredContextCanOverrideManagementContextUsingCustomizer() {
 		this.contextRunner.withBean(TestHazelcastConfigCustomizer.class).run((context) -> {
 			Config config = context.getBean(HazelcastInstance.class).getConfig();
@@ -242,6 +256,7 @@ class HazelcastAutoConfigurationServerTests {
 	}
 
 	@Test
+	@WithHazelcastXmlResource
 	void autoConfiguredConfigSetsHazelcastLoggingToSlf4j() {
 		this.contextRunner.run((context) -> {
 			Config config = context.getBean(HazelcastInstance.class).getConfig();
@@ -322,4 +337,24 @@ class HazelcastAutoConfigurationServerTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "hazelcast.xml", content = """
+			<hazelcast
+				xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-5.0.xsd"
+				xmlns="http://www.hazelcast.com/schema/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+				<instance-name>default-instance</instance-name>
+				<map name="defaultCache" />
+				<network>
+					<join>
+						<auto-detection enabled="false" />
+						<multicast enabled="false" />
+					</join>
+				</network>
+			</hazelcast>
+			""")
+	@interface WithHazelcastXmlResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/hazelcast/HazelcastAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -22,6 +22,7 @@ import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.io.ClassPathResource;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -37,7 +38,39 @@ class HazelcastAutoConfigurationTests {
 		.withConfiguration(AutoConfigurations.of(HazelcastAutoConfiguration.class));
 
 	@Test
-	void defaultConfigFile() {
+	@WithResource(name = "hazelcast.xml", content = """
+			<hazelcast
+				xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-5.0.xsd"
+				xmlns="http://www.hazelcast.com/schema/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+				<instance-name>default-instance</instance-name>
+				<map name="defaultCache" />
+				<network>
+					<join>
+						<auto-detection enabled="false" />
+						<multicast enabled="false" />
+					</join>
+				</network>
+			</hazelcast>
+			""")
+	@WithResource(name = "hazelcast.yml", content = """
+			hazelcast:
+			  network:
+			    join:
+			      auto-detection:
+			        enabled: false
+			      multicast:
+			        enabled: false
+			""")
+	@WithResource(name = "hazelcast.yaml", content = """
+			hazelcast:
+			  network:
+			    join:
+			      auto-detection:
+			        enabled: false
+			      multicast:
+			        enabled: false
+			""")
+	void defaultConfigFileIsHazelcastXml() {
 		// no hazelcast-client.xml and hazelcast.xml is present in root classpath
 		// this also asserts that XML has priority over YAML
 		// as hazelcast.yaml, hazelcast.yml, and hazelcast.xml are available.

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/info/ProjectInfoAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -25,6 +25,7 @@ import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoCon
 import org.springframework.boot.info.BuildProperties;
 import org.springframework.boot.info.GitProperties;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -90,6 +91,13 @@ class ProjectInfoAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "META-INF/build-info.properties", content = """
+			build.group=com.example
+			build.artifact=demo
+			build.name=Demo Project
+			build.version=0.0.1-SNAPSHOT
+			build.time=2016-03-04T14:16:05.000Z
+			""")
 	void buildPropertiesDefaultLocation() {
 		this.contextRunner.run((context) -> {
 			BuildProperties buildProperties = context.getBean(BuildProperties.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfigurationTests.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.
@@ -57,6 +57,7 @@ import org.springframework.boot.sql.init.DatabaseInitializationMode;
 import org.springframework.boot.sql.init.DatabaseInitializationSettings;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.testsupport.assertj.SimpleAsyncTaskExecutorAssert;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -378,6 +379,8 @@ class IntegrationAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "META-INF/spring.integration.properties",
+			content = "spring.integration.endpoints.noAutoStartup=testService*")
 	void integrationGlobalPropertiesFromSpringIntegrationPropertiesFile() {
 		this.contextRunner
 			.withPropertyValues("spring.integration.channel.auto-create=false",
@@ -558,7 +561,7 @@ class IntegrationAutoConfigurationTests {
 	}
 
 	@MessagingGateway
-	interface TestGateway extends RequestReplyExchanger {
+	public interface TestGateway extends RequestReplyExchanger {
 
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/integration/IntegrationPropertiesEnvironmentPostProcessorTests.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.
@@ -37,6 +37,7 @@ import org.springframework.boot.context.properties.bind.Binder;
 import org.springframework.boot.origin.Origin;
 import org.springframework.boot.origin.OriginLookup;
 import org.springframework.boot.origin.TextResourceOrigin;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.env.ConfigurableEnvironment;
 import org.springframework.core.env.MapPropertySource;
 import org.springframework.core.env.PropertySource;
@@ -60,6 +61,8 @@ import static org.mockito.Mockito.mock;
 class IntegrationPropertiesEnvironmentPostProcessorTests {
 
 	@Test
+	@WithResource(name = "META-INF/spring.integration.properties",
+			content = "spring.integration.endpoints.noAutoStartup=testService*")
 	void postProcessEnvironmentAddPropertySource() {
 		ConfigurableEnvironment environment = new StandardEnvironment();
 		new IntegrationPropertiesEnvironmentPostProcessor().postProcessEnvironment(environment,
@@ -69,6 +72,8 @@ class IntegrationPropertiesEnvironmentPostProcessorTests {
 	}
 
 	@Test
+	@WithResource(name = "META-INF/spring.integration.properties",
+			content = "spring.integration.endpoints.noAutoStartup=testService*")
 	void postProcessEnvironmentAddPropertySourceLast() {
 		ConfigurableEnvironment environment = new StandardEnvironment();
 		environment.getPropertySources()

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -24,6 +24,7 @@ import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.autoconfigure.sql.init.SqlInitializationAutoConfiguration;
 import org.springframework.boot.diagnostics.FailureAnalysis;
 import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Configuration;
 
@@ -37,6 +38,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 class HikariDriverConfigurationFailureAnalyzerTests {
 
 	@Test
+	@WithResource(name = "schema.sql", content = "")
 	void failureAnalysisIsPerformed() {
 		FailureAnalysis failureAnalysis = performAnalysis(TestConfiguration.class);
 		assertThat(failureAnalysis).isNotNull();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/JdbcClientAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -22,6 +22,7 @@ import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.flyway.FlywayAutoConfiguration;
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.jdbc.core.JdbcOperations;
 import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
 import org.springframework.jdbc.core.simple.JdbcClient;
@@ -68,6 +69,16 @@ class JdbcClientAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/city/V1__init.sql", content = """
+			CREATE SEQUENCE city_seq INCREMENT BY 50;
+			CREATE TABLE CITY (
+			  id         BIGINT GENERATED BY DEFAULT AS IDENTITY,
+			  name VARCHAR(30),
+			  state VARCHAR(30),
+			  country VARCHAR(30),
+			  map VARCHAR(30)
+			);
+			""")
 	void jdbcClientIsOrderedAfterFlywayMigration() {
 		this.contextRunner.withUserConfiguration(JdbcClientDataSourceMigrationValidator.class)
 			.withPropertyValues("spring.flyway.locations:classpath:db/city")
@@ -79,6 +90,31 @@ class JdbcClientAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-city.yaml", content = """
+			databaseChangeLog:
+			- changeSet:
+			    id: 1
+			    author: dsyer
+			    changes:
+			      - createSequence:
+			          sequenceName: city_seq
+			          incrementBy: 50
+			      - createTable:
+			          tableName: city
+			          columns:
+			            - column:
+			                name: id
+			                type: bigint
+			                autoIncrement: true
+			                constraints:
+			                  primaryKey: true
+			                  nullable: false
+			            - column:
+			                name: name
+			                type: varchar(50)
+			                constraints:
+			                  nullable: false
+			""")
 	void jdbcClientIsOrderedAfterLiquibaseMigration() {
 		this.contextRunner.withUserConfiguration(JdbcClientDataSourceMigrationValidator.class)
 			.withPropertyValues("spring.liquibase.change-log:classpath:db/changelog/db.changelog-city.yaml")

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/jdbc/JdbcTemplateAutoConfigurationTests.java

@@ -16,6 +16,10 @@
 
 package org.springframework.boot.autoconfigure.jdbc;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Collections;
 
 import javax.sql.DataSource;
@@ -27,6 +31,7 @@ import org.springframework.boot.autoconfigure.flyway.FlywayAutoConfiguration;
 import org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration;
 import org.springframework.boot.autoconfigure.sql.init.SqlInitializationAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -151,6 +156,13 @@ class JdbcTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "schema.sql", content = """
+			CREATE TABLE BAR (
+			  id INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+			  name VARCHAR(30)
+			);
+			""")
+	@WithResource(name = "data.sql", content = "INSERT INTO BAR VALUES (1, 'Andy');")
 	void testDependencyToScriptBasedDataSourceInitialization() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(SqlInitializationAutoConfiguration.class))
 			.withUserConfiguration(DataSourceInitializationValidator.class)
@@ -161,6 +173,16 @@ class JdbcTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/city/V1__init.sql", content = """
+			CREATE SEQUENCE city_seq INCREMENT BY 50;
+			CREATE TABLE CITY (
+			  id         BIGINT GENERATED BY DEFAULT AS IDENTITY,
+			  name VARCHAR(30),
+			  state VARCHAR(30),
+			  country VARCHAR(30),
+			  map VARCHAR(30)
+			);
+			""")
 	void testDependencyToFlyway() {
 		this.contextRunner.withUserConfiguration(DataSourceMigrationValidator.class)
 			.withPropertyValues("spring.flyway.locations:classpath:db/city")
@@ -172,6 +194,16 @@ class JdbcTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/city/V1__init.sql", content = """
+			CREATE SEQUENCE city_seq INCREMENT BY 50;
+			CREATE TABLE CITY (
+			  id         BIGINT GENERATED BY DEFAULT AS IDENTITY,
+			  name VARCHAR(30),
+			  state VARCHAR(30),
+			  country VARCHAR(30),
+			  map VARCHAR(30)
+			);
+			""")
 	void testDependencyToFlywayWithJdbcTemplateMixed() {
 		this.contextRunner.withUserConfiguration(NamedParameterDataSourceMigrationValidator.class)
 			.withPropertyValues("spring.flyway.locations:classpath:db/city")
@@ -184,6 +216,7 @@ class JdbcTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogCityYamlResource
 	void testDependencyToLiquibase() {
 		this.contextRunner.withUserConfiguration(DataSourceMigrationValidator.class)
 			.withPropertyValues("spring.liquibase.change-log:classpath:db/changelog/db.changelog-city.yaml")
@@ -195,6 +228,7 @@ class JdbcTemplateAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogCityYamlResource
 	void testDependencyToLiquibaseWithJdbcTemplateMixed() {
 		this.contextRunner.withUserConfiguration(NamedParameterDataSourceMigrationValidator.class)
 			.withPropertyValues("spring.liquibase.change-log:classpath:db/changelog/db.changelog-city.yaml")
@@ -318,4 +352,35 @@ class JdbcTemplateAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "db/changelog/db.changelog-city.yaml", content = """
+			databaseChangeLog:
+			- changeSet:
+			    id: 1
+			    author: dsyer
+			    changes:
+			      - createSequence:
+			          sequenceName: city_seq
+			          incrementBy: 50
+			      - createTable:
+			          tableName: city
+			          columns:
+			            - column:
+			                name: id
+			                type: bigint
+			                autoIncrement: true
+			                constraints:
+			                  primaryKey: true
+			                  nullable: false
+			            - column:
+			                name: name
+			                type: varchar(50)
+			                constraints:
+			                  nullable: false
+			""")
+	@interface WithDbChangelogCityYamlResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/kafka/KafkaAutoConfigurationTests.java

@@ -56,6 +56,7 @@ import org.springframework.boot.test.context.assertj.AssertableApplicationContex
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.testsupport.assertj.SimpleAsyncTaskExecutorAssert;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.task.AsyncTaskExecutor;
@@ -121,6 +122,8 @@ class KafkaAutoConfigurationTests {
 		.withConfiguration(AutoConfigurations.of(KafkaAutoConfiguration.class, SslAutoConfiguration.class));
 
 	@Test
+	@WithResource(name = "ksLoc")
+	@WithResource(name = "tsLoc")
 	void consumerProperties() {
 		this.contextRunner.withPropertyValues("spring.kafka.bootstrap-servers=foo:1234",
 				"spring.kafka.properties.foo=bar", "spring.kafka.properties.baz=qux",
@@ -225,6 +228,8 @@ class KafkaAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "ksLocP")
+	@WithResource(name = "tsLocP")
 	void producerProperties() {
 		this.contextRunner.withPropertyValues("spring.kafka.clientId=cid",
 				"spring.kafka.properties.foo.bar.baz=qux.fiz.buz", "spring.kafka.producer.acks=all",
@@ -318,6 +323,8 @@ class KafkaAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "ksLocP")
+	@WithResource(name = "tsLocP")
 	void adminProperties() {
 		this.contextRunner
 			.withPropertyValues("spring.kafka.clientId=cid", "spring.kafka.properties.foo.bar.baz=qux.fiz.buz",
@@ -400,8 +407,10 @@ class KafkaAutoConfigurationTests {
 		});
 	}
 
-	@SuppressWarnings("unchecked")
 	@Test
+	@SuppressWarnings("unchecked")
+	@WithResource(name = "ksLocP")
+	@WithResource(name = "tsLocP")
 	void streamsProperties() {
 		this.contextRunner.withUserConfiguration(EnableKafkaStreamsConfiguration.class)
 			.withPropertyValues("spring.kafka.client-id=cid",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/ldap/embedded/EmbeddedLdapAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -16,6 +16,11 @@
 
 package org.springframework.boot.autoconfigure.ldap.embedded;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
 import com.unboundid.ldap.listener.InMemoryDirectoryServer;
 import com.unboundid.ldap.sdk.BindResult;
 import com.unboundid.ldap.sdk.DN;
@@ -30,6 +35,7 @@ import org.springframework.boot.autoconfigure.ldap.LdapAutoConfiguration;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.util.TestPropertyValues;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -100,6 +106,7 @@ class EmbeddedLdapAutoConfigurationTests {
 	}
 
 	@Test
+	@WithSchemaLdifResource
 	void testSetLdifFile() {
 		this.contextRunner.withPropertyValues("spring.ldap.embedded.base-dn:dc=spring,dc=org").run((context) -> {
 			InMemoryDirectoryServer server = context.getBean(InMemoryDirectoryServer.class);
@@ -108,6 +115,7 @@ class EmbeddedLdapAutoConfigurationTests {
 	}
 
 	@Test
+	@WithSchemaLdifResource
 	void testQueryEmbeddedLdap() {
 		this.contextRunner.withPropertyValues("spring.ldap.embedded.base-dn:dc=spring,dc=org")
 			.withConfiguration(AutoConfigurations.of(LdapAutoConfiguration.class))
@@ -130,6 +138,34 @@ class EmbeddedLdapAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-schema.ldif", content = """
+			dn: cn=schema
+			attributeTypes: ( 1.3.6.1.4.1.32473.1.1.1
+			  NAME 'exampleAttributeName'
+			  DESC 'An example attribute type definition'
+			  EQUALITY caseIgnoreMatch
+			  ORDERING caseIgnoreOrderingMatch
+			  SUBSTR caseIgnoreSubstringsMatch
+			  SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
+			  SINGLE-VALUE
+			  X-ORIGIN 'Managing Schema Document' )
+			objectClasses: ( 1.3.6.1.4.1.32473.1.2.2
+			  NAME 'exampleAuxiliaryClass'
+			  DESC 'An example auxiliary object class definition'
+			  SUP top
+			  AUXILIARY
+			  MAY exampleAttributeName
+			  X-ORIGIN 'Managing Schema Document' )
+			""")
+	@WithResource(name = "custom-schema-sample.ldif", content = """
+			dn: dc=spring,dc=org
+			objectclass: top
+			objectclass: domain
+			objectclass: extensibleObject
+			objectClass: exampleAuxiliaryClass
+			dc: spring
+			exampleAttributeName: exampleAttributeName
+			""")
 	void testCustomSchemaValidation() {
 		this.contextRunner
 			.withPropertyValues("spring.ldap.embedded.validation.schema:classpath:custom-schema.ldif",
@@ -144,6 +180,122 @@ class EmbeddedLdapAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "schema-multi-basedn.ldif", content = """
+			dn: dc=spring,dc=org
+			objectclass: top
+			objectclass: domain
+			objectclass: extensibleObject
+			dc: spring
+
+			dn: ou=groups,dc=spring,dc=org
+			objectclass: top
+			objectclass: organizationalUnit
+			ou: groups
+
+			dn: cn=ROLE_USER,ou=groups,dc=spring,dc=org
+			objectclass: top
+			objectclass: groupOfUniqueNames
+			cn: ROLE_USER
+			uniqueMember: cn=Some Person,ou=company1,c=Sweden,dc=spring,dc=org
+			uniqueMember: cn=Some Person2,ou=company1,c=Sweden,dc=spring,dc=org
+			uniqueMember: cn=Some Person,ou=company1,c=Sweden,dc=spring,dc=org
+			uniqueMember: cn=Some Person3,ou=company1,c=Sweden,dc=spring,dc=org
+
+			dn: cn=ROLE_ADMIN,ou=groups,dc=spring,dc=org
+			objectclass: top
+			objectclass: groupOfUniqueNames
+			cn: ROLE_ADMIN
+			uniqueMember: cn=Some Person2,ou=company1,c=Sweden,dc=spring,dc=org
+
+			dn: c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: country
+			c: Sweden
+			description: The country of Sweden
+
+			dn: ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: organizationalUnit
+			ou: company1
+			description: First company in Sweden
+
+			dn: cn=Some Person,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person
+			userPassword: password
+			cn: Some Person
+			sn: Person
+			description: Sweden, Company1, Some Person
+			telephoneNumber: +46 555-123456
+
+			dn: cn=Some Person2,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person2
+			userPassword: password
+			cn: Some Person2
+			sn: Person2
+			description: Sweden, Company1, Some Person2
+			telephoneNumber: +46 555-654321
+
+			dn: cn=Some Person3,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person3
+			userPassword: password
+			cn: Some Person3
+			sn: Person3
+			description: Sweden, Company1, Some Person3
+			telephoneNumber: +46 555-123654
+
+			dn: cn=Some Person4,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person4
+			userPassword: password
+			cn: Some Person
+			sn: Person
+			description: Sweden, Company1, Some Person
+			telephoneNumber: +46 555-456321
+
+			dn: dc=vmware,dc=com
+			objectclass: top
+			objectclass: domain
+			objectclass: extensibleObject
+			dc: vmware
+
+			dn: ou=groups,dc=vmware,dc=com
+			objectclass: top
+			objectclass: organizationalUnit
+			ou: groups
+
+			dn: c=Sweden,dc=vmware,dc=com
+			objectclass: top
+			objectclass: country
+			c: Sweden
+			description:The country of Sweden
+
+			dn: cn=Some Random Person,c=Sweden,dc=vmware,dc=com
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.random.person
+			userPassword: password
+			cn: Some Random Person
+			sn: Person
+			description: Sweden, VMware, Some Random Person
+			telephoneNumber: +46 555-123456
+			""")
 	void testMultiBaseDn() {
 		this.contextRunner.withPropertyValues("spring.ldap.embedded.ldif:classpath:schema-multi-basedn.ldif",
 				"spring.ldap.embedded.base-dn[0]:dc=spring,dc=org", "spring.ldap.embedded.base-dn[1]:dc=vmware,dc=com")
@@ -206,4 +358,97 @@ class EmbeddedLdapAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "schema.ldif", content = """
+			dn: dc=spring,dc=org
+			objectclass: top
+			objectclass: domain
+			objectclass: extensibleObject
+			dc: spring
+
+			dn: ou=groups,dc=spring,dc=org
+			objectclass: top
+			objectclass: organizationalUnit
+			ou: groups
+
+			dn: cn=ROLE_USER,ou=groups,dc=spring,dc=org
+			objectclass: top
+			objectclass: groupOfUniqueNames
+			cn: ROLE_USER
+			uniqueMember: cn=Some Person,ou=company1,c=Sweden,dc=spring,dc=org
+			uniqueMember: cn=Some Person2,ou=company1,c=Sweden,dc=spring,dc=org
+			uniqueMember: cn=Some Person,ou=company1,c=Sweden,dc=spring,dc=org
+			uniqueMember: cn=Some Person3,ou=company1,c=Sweden,dc=spring,dc=org
+
+			dn: cn=ROLE_ADMIN,ou=groups,dc=spring,dc=org
+			objectclass: top
+			objectclass: groupOfUniqueNames
+			cn: ROLE_ADMIN
+			uniqueMember: cn=Some Person2,ou=company1,c=Sweden,dc=spring,dc=org
+
+			dn: c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: country
+			c: Sweden
+			description: The country of Sweden
+
+			dn: ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: organizationalUnit
+			ou: company1
+			description: First company in Sweden
+
+			dn: cn=Some Person,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person
+			userPassword: password
+			cn: Some Person
+			sn: Person
+			description: Sweden, Company1, Some Person
+			telephoneNumber: +46 555-123456
+
+			dn: cn=Some Person2,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person2
+			userPassword: password
+			cn: Some Person2
+			sn: Person2
+			description: Sweden, Company1, Some Person2
+			telephoneNumber: +46 555-654321
+
+			dn: cn=Some Person3,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person3
+			userPassword: password
+			cn: Some Person3
+			sn: Person3
+			description: Sweden, Company1, Some Person3
+			telephoneNumber: +46 555-123654
+
+			dn: cn=Some Person4,ou=company1,c=Sweden,dc=spring,dc=org
+			objectclass: top
+			objectclass: person
+			objectclass: organizationalPerson
+			objectclass: inetOrgPerson
+			uid: some.person4
+			userPassword: password
+			cn: Some Person
+			sn: Person
+			description: Sweden, Company1, Some Person
+			telephoneNumber: +46 555-456321
+			""")
+	@interface WithSchemaLdifResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/liquibase/Liquibase423AutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -27,6 +27,7 @@ import org.springframework.boot.test.context.assertj.AssertableApplicationContex
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.testsupport.classpath.ClassPathOverrides;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -43,6 +44,7 @@ class Liquibase423AutoConfigurationTests {
 		.withPropertyValues("spring.datasource.generate-unique-name=true");
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-master.yaml", content = "databaseChangeLog:")
 	void defaultSpringLiquibase() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.run(assertLiquibase((liquibase) -> {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/liquibase/LiquibaseAutoConfigurationTests.java

@@ -18,6 +18,10 @@ package org.springframework.boot.autoconfigure.liquibase;
 
 import java.io.File;
 import java.io.IOException;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.sql.Connection;
@@ -58,6 +62,7 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
@@ -100,6 +105,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void createsDataSourceWithNoDataSourceBeanAndLiquibaseUrl() {
 		String jdbcUrl = "jdbc:hsqldb:mem:liquibase" + UUID.randomUUID();
 		this.contextRunner.withPropertyValues("spring.liquibase.url:" + jdbcUrl).run(assertLiquibase((liquibase) -> {
@@ -116,6 +122,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void defaultSpringLiquibase() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.run(assertLiquibase((liquibase) -> {
@@ -138,6 +145,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void liquibaseDataSourceIsUsedOverJdbcConnectionDetails() {
 		this.contextRunner
 			.withUserConfiguration(LiquibaseDataSourceConfiguration.class, JdbcConnectionDetailsConfiguration.class)
@@ -150,6 +158,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void liquibaseDataSourceIsUsedOverLiquibaseConnectionDetails() {
 		this.contextRunner
 			.withUserConfiguration(LiquibaseDataSourceConfiguration.class,
@@ -163,6 +172,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void liquibasePropertiesAreUsedOverJdbcConnectionDetails() {
 		this.contextRunner
 			.withPropertyValues("spring.liquibase.url=jdbc:hsqldb:mem:liquibasetest", "spring.liquibase.user=some-user",
@@ -193,6 +203,18 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-override.xml",
+			content = """
+					<?xml version="1.0" encoding="UTF-8"?>
+					<databaseChangeLog
+					        xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+					        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+					        xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+					        xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.8.xsd
+					        http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd">
+
+					</databaseChangeLog>
+					""")
 	void changelogXml() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.change-log:classpath:/db/changelog/db.changelog-override.xml")
@@ -201,6 +223,11 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-override.json", content = """
+			{
+			    "databaseChangeLog": []
+			}
+			""")
 	void changelogJson() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.change-log:classpath:/db/changelog/db.changelog-override.json")
@@ -209,6 +236,16 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-override.sql", content = """
+			--liquibase formatted sql
+
+			--changeset author:awilkinson
+
+			CREATE TABLE customer (
+			    id int AUTO_INCREMENT NOT NULL PRIMARY KEY,
+			    name varchar(50) NOT NULL
+			);
+			""")
 	void changelogSql() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.change-log:classpath:/db/changelog/db.changelog-override.sql")
@@ -217,6 +254,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void defaultValues() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.run(assertLiquibase((liquibase) -> {
@@ -235,6 +273,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideContexts() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.contexts:test, production")
@@ -242,6 +281,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideDefaultSchema() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.default-schema:public")
@@ -249,6 +289,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideLiquibaseInfrastructure() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.liquibase-schema:public",
@@ -269,6 +310,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideDropFirst() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.drop-first:true")
@@ -276,6 +318,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideClearChecksums() {
 		String jdbcUrl = "jdbc:hsqldb:mem:liquibase" + UUID.randomUUID();
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -287,6 +330,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideDataSource() {
 		String jdbcUrl = "jdbc:hsqldb:mem:liquibase" + UUID.randomUUID();
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -299,6 +343,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideDataSourceAndDriverClassName() {
 		String jdbcUrl = "jdbc:hsqldb:mem:liquibase" + UUID.randomUUID();
 		String driverClassName = "org.hsqldb.jdbcDriver";
@@ -313,6 +358,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideUser() {
 		String databaseName = "normal" + UUID.randomUUID();
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -327,6 +373,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideUserWhenCustom() {
 		this.contextRunner.withUserConfiguration(CustomDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.user:test", "spring.liquibase.password:secret")
@@ -340,6 +387,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void createDataSourceDoesNotFallbackToEmbeddedProperties() {
 		String jdbcUrl = "jdbc:hsqldb:mem:liquibase" + UUID.randomUUID();
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -352,6 +400,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideUserAndFallbackToEmbeddedProperties() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.user:sa")
@@ -362,6 +411,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideTestRollbackOnUpdate() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.test-rollback-on-update:true")
@@ -382,12 +432,14 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void logging(CapturedOutput output) {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.run(assertLiquibase((liquibase) -> assertThat(output).doesNotContain(": liquibase:")));
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideLabelFilter() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.label-filter:test, production")
@@ -395,6 +447,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideShowSummary() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.show-summary=off")
@@ -406,6 +459,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideShowSummaryOutput() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.show-summary-output=all")
@@ -417,6 +471,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideUiService() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.ui-service=console")
@@ -425,6 +480,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	@SuppressWarnings("unchecked")
 	void testOverrideParameters() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -438,6 +494,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void rollbackFile(@TempDir Path temp) throws IOException {
 		File file = Files.createTempFile(temp, "rollback-file", "sql").toFile();
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -451,6 +508,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void liquibaseDataSource() {
 		this.contextRunner
 			.withUserConfiguration(LiquibaseDataSourceConfiguration.class, EmbeddedDataSourceConfiguration.class)
@@ -461,6 +519,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void liquibaseDataSourceWithoutDataSourceAutoConfiguration() {
 		this.contextRunner.withUserConfiguration(LiquibaseDataSourceConfiguration.class).run((context) -> {
 			SpringLiquibase liquibase = context.getBean(SpringLiquibase.class);
@@ -469,6 +528,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void userConfigurationBeans() {
 		this.contextRunner
 			.withUserConfiguration(LiquibaseUserConfiguration.class, EmbeddedDataSourceConfiguration.class)
@@ -479,6 +539,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void userConfigurationEntityManagerFactoryDependency() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(HibernateJpaAutoConfiguration.class))
 			.withUserConfiguration(LiquibaseUserConfiguration.class, EmbeddedDataSourceConfiguration.class)
@@ -489,6 +550,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void userConfigurationJdbcTemplateDependency() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(JdbcTemplateAutoConfiguration.class))
 			.withUserConfiguration(LiquibaseUserConfiguration.class, EmbeddedDataSourceConfiguration.class)
@@ -499,6 +561,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void overrideTag() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.tag:1.0.0")
@@ -506,6 +569,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void whenLiquibaseIsAutoConfiguredThenJooqDslContextDependsOnSpringLiquibaseBeans() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(JooqAutoConfiguration.class))
 			.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
@@ -516,6 +580,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void whenCustomSpringLiquibaseIsDefinedThenJooqDslContextDependsOnSpringLiquibaseBeans() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(JooqAutoConfiguration.class))
 			.withUserConfiguration(LiquibaseUserConfiguration.class, EmbeddedDataSourceConfiguration.class)
@@ -536,12 +601,14 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void whenCustomizerBeanIsDefinedThenItIsConfiguredOnSpringLiquibase() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class, CustomizerConfiguration.class)
 			.run(assertLiquibase((liquibase) -> assertThat(liquibase.getCustomizer()).isNotNull()));
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void whenAnalyticsEnabledIsFalseThenSpringLiquibaseHasAnalyticsDisabled() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.analytics-enabled=false")
@@ -551,6 +618,7 @@ class LiquibaseAutoConfigurationTests {
 	}
 
 	@Test
+	@WithDbChangelogMasterYamlResource
 	void whenLicenseKeyIsSetThenSpringLiquibaseHasLicenseKey() {
 		this.contextRunner.withUserConfiguration(EmbeddedDataSourceConfiguration.class)
 			.withPropertyValues("spring.liquibase.license-key=a1b2c3d4")
@@ -709,4 +777,32 @@ class LiquibaseAutoConfigurationTests {
 
 	}
 
+	@WithResource(name = "db/changelog/db.changelog-master.yaml", content = """
+			databaseChangeLog:
+			  - changeSet:
+			      id: 1
+			      author: marceloverdijk
+			      changes:
+			        - createTable:
+			            tableName: customer
+			            columns:
+			              - column:
+			                  name: id
+			                  type: int
+			                  autoIncrement: true
+			                  constraints:
+			                    primaryKey: true
+			                    nullable: false
+			              - column:
+			                  name: name
+			                  type: varchar(50)
+			                  constraints:
+			                    nullable: false
+			""")
+	@Retention(RetentionPolicy.RUNTIME)
+	@Target(ElementType.METHOD)
+	@interface WithDbChangelogMasterYamlResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mail/MailSenderAutoConfigurationTests.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.
@@ -32,6 +32,7 @@ import org.springframework.boot.autoconfigure.jndi.JndiPropertiesHidingClassLoad
 import org.springframework.boot.autoconfigure.jndi.TestableInitialContextFactory;
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.mail.MailSender;
@@ -64,7 +65,8 @@ class MailSenderAutoConfigurationTests {
 		this.initialContextFactory = System.getProperty(Context.INITIAL_CONTEXT_FACTORY);
 		System.setProperty(Context.INITIAL_CONTEXT_FACTORY, TestableInitialContextFactory.class.getName());
 		this.threadContextClassLoader = Thread.currentThread().getContextClassLoader();
-		Thread.currentThread().setContextClassLoader(new JndiPropertiesHidingClassLoader(getClass().getClassLoader()));
+		Thread.currentThread()
+			.setContextClassLoader(new JndiPropertiesHidingClassLoader(Thread.currentThread().getContextClassLoader()));
 	}
 
 	@AfterEach
@@ -254,6 +256,7 @@ class MailSenderAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void smtpSslBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.mail.host:localhost", "spring.mail.ssl.bundle:test-bundle",
@@ -282,6 +285,7 @@ class MailSenderAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void smtpsSslBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.mail.host:localhost", "spring.mail.protocol:smtps",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mongo/MongoAutoConfigurationTests.java

@@ -32,6 +32,7 @@ import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -86,6 +87,7 @@ class MongoAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void configuresSslWithBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.data.mongodb.ssl.bundle=test-bundle",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mongo/MongoReactiveAutoConfigurationTests.java

@@ -34,6 +34,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.ssl.SslAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -93,6 +94,7 @@ class MongoReactiveAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void configuresSslWithBundle() {
 		this.contextRunner
 			.withPropertyValues("spring.data.mongodb.ssl.bundle=test-bundle",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationReactiveIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -105,9 +105,10 @@ class MustacheAutoConfigurationReactiveIntegrationTests {
 		@Bean
 		MustacheViewResolver viewResolver() {
 			Mustache.Compiler compiler = Mustache.compiler()
-				.withLoader(new MustacheResourceTemplateLoader("classpath:/mustache-templates/", ".html"));
+				.withLoader(new MustacheResourceTemplateLoader(
+						"classpath:/org/springframework/boot/autoconfigure/mustache/", ".html"));
 			MustacheViewResolver resolver = new MustacheViewResolver(compiler);
-			resolver.setPrefix("classpath:/mustache-templates/");
+			resolver.setPrefix("classpath:/org/springframework/boot/autoconfigure/mustache/");
 			resolver.setSuffix(".html");
 			return resolver;
 		}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/mustache/MustacheAutoConfigurationServletIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -115,9 +115,10 @@ class MustacheAutoConfigurationServletIntegrationTests {
 		@Bean
 		MustacheViewResolver viewResolver() {
 			Mustache.Compiler compiler = Mustache.compiler()
-				.withLoader(new MustacheResourceTemplateLoader("classpath:/mustache-templates/", ".html"));
+				.withLoader(new MustacheResourceTemplateLoader(
+						"classpath:/org/springframework/boot/autoconfigure/mustache/", ".html"));
 			MustacheViewResolver resolver = new MustacheViewResolver(compiler);
-			resolver.setPrefix("classpath:/mustache-templates/");
+			resolver.setPrefix("classpath:/org/springframework/boot/autoconfigure/mustache/");
 			resolver.setSuffix(".html");
 			return resolver;
 		}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/orm/jpa/AbstractJpaAutoConfigurationTests.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.
@@ -17,6 +17,10 @@
 package org.springframework.boot.autoconfigure.orm.jpa;
 
 import java.io.File;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
@@ -47,6 +51,7 @@ import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 import org.springframework.boot.testsupport.BuildOutput;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -209,6 +214,7 @@ abstract class AbstractJpaAutoConfigurationTests {
 	}
 
 	@Test
+	@WithMetaInfPersistenceXmlResource
 	void usesManuallyDefinedLocalContainerEntityManagerFactoryBeanUsingBuilder() {
 		this.contextRunner.withPropertyValues("spring.jpa.properties.a=b")
 			.withUserConfiguration(TestConfigurationWithEntityManagerFactoryBuilder.class)
@@ -221,6 +227,7 @@ abstract class AbstractJpaAutoConfigurationTests {
 	}
 
 	@Test
+	@WithMetaInfPersistenceXmlResource
 	void usesManuallyDefinedLocalContainerEntityManagerFactoryBeanIfAvailable() {
 		this.contextRunner.withUserConfiguration(TestConfigurationWithLocalContainerEntityManagerFactoryBean.class)
 			.run((context) -> {
@@ -232,6 +239,7 @@ abstract class AbstractJpaAutoConfigurationTests {
 	}
 
 	@Test
+	@WithMetaInfPersistenceXmlResource
 	void usesManuallyDefinedEntityManagerFactoryIfAvailable() {
 		this.contextRunner.withUserConfiguration(TestConfigurationWithLocalContainerEntityManagerFactoryBean.class)
 			.run((context) -> {
@@ -501,4 +509,20 @@ abstract class AbstractJpaAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "META-INF/persistence.xml",
+			content = """
+					<?xml version="1.0" encoding="UTF-8"?>
+					<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence https://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
+						<persistence-unit name="manually-configured">
+							<class>org.springframework.boot.autoconfigure.orm.jpa.test.City</class>
+							<exclude-unlisted-classes>true</exclude-unlisted-classes>
+						</persistence-unit>
+					</persistence>
+					""")
+	@interface WithMetaInfPersistenceXmlResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/orm/jpa/Hibernate2ndLevelCacheIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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 +23,7 @@ import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration;
 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.cache.annotation.EnableCaching;
 import org.springframework.context.annotation.Configuration;
 
@@ -41,6 +42,20 @@ class Hibernate2ndLevelCacheIntegrationTests {
 		.withUserConfiguration(TestConfiguration.class);
 
 	@Test
+	@WithResource(name = "hazelcast.xml", content = """
+			<hazelcast
+				xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-5.0.xsd"
+				xmlns="http://www.hazelcast.com/schema/config" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+				<instance-name>default-instance</instance-name>
+				<map name="defaultCache" />
+				<network>
+					<join>
+						<auto-detection enabled="false" />
+						<multicast enabled="false" />
+					</join>
+				</network>
+			</hazelcast>
+			""")
 	void hibernate2ndLevelCacheWithJCacheAndHazelcast() {
 		String cachingProviderFqn = HazelcastServerCachingProvider.class.getName();
 		String configLocation = "classpath:hazelcast.xml";

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfigurationTests.java

@@ -72,6 +72,7 @@ import org.springframework.boot.orm.jpa.hibernate.SpringJtaPlatform;
 import org.springframework.boot.sql.init.dependency.DependsOnDatabaseInitialization;
 import org.springframework.boot.test.context.assertj.AssertableApplicationContext;
 import org.springframework.boot.test.context.runner.ContextConsumer;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.ApplicationEvent;
 import org.springframework.context.ApplicationListener;
 import org.springframework.context.annotation.Bean;
@@ -131,6 +132,8 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithResource(name = "city.sql",
+			content = "INSERT INTO CITY (ID, NAME, STATE, COUNTRY, MAP) values (2000, 'Washington', 'DC', 'US', 'Google')")
 	void testDmlScriptRunsEarly() {
 		contextRunner().withUserConfiguration(TestInitializedJpaConfiguration.class)
 			.withClassLoader(new HideDataScriptClassLoader())
@@ -141,6 +144,16 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithResource(name = "db/city/V1__init.sql", content = """
+			CREATE SEQUENCE city_seq INCREMENT BY 50;
+			CREATE TABLE CITY (
+			  id         BIGINT GENERATED BY DEFAULT AS IDENTITY,
+			  name VARCHAR(30),
+			  state VARCHAR(30),
+			  country VARCHAR(30),
+			  map VARCHAR(30)
+			);
+			""")
 	void testFlywaySwitchOffDdlAuto() {
 		contextRunner().withPropertyValues("spring.sql.init.mode:never", "spring.flyway.locations:classpath:db/city")
 			.withConfiguration(AutoConfigurations.of(FlywayAutoConfiguration.class))
@@ -148,6 +161,17 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithResource(name = "db/city/V1__init.sql", content = """
+			CREATE SEQUENCE city_seq INCREMENT BY 50;
+
+			CREATE TABLE CITY (
+			  id         BIGINT GENERATED BY DEFAULT AS IDENTITY,
+			  name VARCHAR(30),
+			  state VARCHAR(30),
+			  country VARCHAR(30),
+			  map VARCHAR(30)
+			);
+			""")
 	void testFlywayPlusValidation() {
 		contextRunner()
 			.withPropertyValues("spring.sql.init.mode:never", "spring.flyway.locations:classpath:db/city",
@@ -157,6 +181,46 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-city.yaml", content = """
+			databaseChangeLog:
+			- changeSet:
+			    id: 1
+			    author: dsyer
+			    changes:
+			      - createSequence:
+			          sequenceName: city_seq
+			          incrementBy: 50
+			      - createTable:
+			          tableName: city
+			          columns:
+			            - column:
+			                name: id
+			                type: bigint
+			                autoIncrement: true
+			                constraints:
+			                  primaryKey: true
+			                  nullable: false
+			            - column:
+			                name: name
+			                type: varchar(50)
+			                constraints:
+			                  nullable: false
+			            - column:
+			                name: state
+			                type: varchar(50)
+			                constraints:
+			                  nullable: false
+			            - column:
+			                name: country
+			                type: varchar(50)
+			                constraints:
+			                  nullable: false
+			            - column:
+			                name: map
+			                type: varchar(50)
+			                constraints:
+			                  nullable: true
+			""")
 	void testLiquibasePlusValidation() {
 		contextRunner()
 			.withPropertyValues("spring.liquibase.change-log:classpath:db/changelog/db.changelog-city.yaml",
@@ -316,9 +380,32 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithResource(name = "META-INF/mappings/non-annotated.xml",
+			content = """
+					<?xml version="1.0" encoding="UTF-8" ?>
+					<entity-mappings xmlns="http://xmlns.jcp.org/xml/ns/persistence/orm"
+									 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+									 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence/orm https://www.oracle.com/webfolder/technetwork/jsc/xml/ns/persistence/orm_2_1.xsd"
+									 version="2.1">
+						<entity class="org.springframework.boot.autoconfigure.orm.jpa.mapping.NonAnnotatedEntity">
+							<table name="NON_ANNOTATED"/>
+							<attributes>
+								<id name="id">
+									<column name="id"/>
+									<generated-value strategy="IDENTITY"/>
+								</id>
+								<basic name="item">
+									<column name="item"/>
+								</basic>
+							</attributes>
+						</entity>
+					</entity-mappings>
+					""")
+	@WithResource(name = "non-annotated-data.sql",
+			content = "INSERT INTO NON_ANNOTATED (id, item) values (2000, 'Test');")
 	void customResourceMapping() {
 		contextRunner().withClassLoader(new HideDataScriptClassLoader())
-			.withPropertyValues("spring.sql.init.data-locations:classpath:/db/non-annotated-data.sql",
+			.withPropertyValues("spring.sql.init.data-locations:classpath:non-annotated-data.sql",
 					"spring.jpa.mapping-resources=META-INF/mappings/non-annotated.xml",
 					"spring.jpa.defer-datasource-initialization=true")
 			.run((context) -> {
@@ -388,6 +475,8 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithResource(name = "city.sql",
+			content = "INSERT INTO CITY (ID, NAME, STATE, COUNTRY, MAP) values (2000, 'Washington', 'DC', 'US', 'Google')")
 	void eventListenerCanBeRegisteredAsBeans() {
 		contextRunner().withUserConfiguration(TestInitializedJpaConfiguration.class)
 			.withClassLoader(new HideDataScriptClassLoader())
@@ -498,6 +587,7 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 	}
 
 	@Test
+	@WithMetaInfPersistenceXmlResource
 	void whenLocalContainerEntityManagerFactoryBeanHasNoJpaVendorAdapterAutoConfigurationSucceeds() {
 		contextRunner()
 			.withUserConfiguration(
@@ -718,7 +808,7 @@ class HibernateJpaAutoConfigurationTests extends AbstractJpaAutoConfigurationTes
 		private static final List<String> HIDDEN_RESOURCES = Arrays.asList("schema-all.sql", "schema.sql");
 
 		HideDataScriptClassLoader() {
-			super(new URL[0], HideDataScriptClassLoader.class.getClassLoader());
+			super(new URL[0], Thread.currentThread().getContextClassLoader());
 		}
 
 		@Override

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/r2dbc/R2dbcAutoConfigurationTests.java

@@ -44,6 +44,8 @@ import org.springframework.boot.r2dbc.EmbeddedDatabaseConnection;
 import org.springframework.boot.r2dbc.OptionsCapableConnectionFactory;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.ForkedClassPath;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.r2dbc.core.DatabaseClient;
@@ -241,6 +243,9 @@ class R2dbcAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "META-INF/services/io.r2dbc.spi.ConnectionFactoryProvider",
+			content = "org.springframework.boot.autoconfigure.r2dbc.SimpleConnectionFactoryProvider")
+	@ForkedClassPath
 	void configureWithPoolShouldApplyAdditionalProperties() {
 		this.contextRunner
 			.withPropertyValues("spring.r2dbc.url:r2dbc:simple://foo", "spring.r2dbc.properties.test=value",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/rsocket/RSocketServerAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -29,6 +29,7 @@ import org.springframework.boot.ssl.NoSuchSslBundleException;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.boot.web.server.WebServerFactoryCustomizer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -126,30 +127,32 @@ class RSocketServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void shouldUseSslWhenRocketServerSslIsConfigured() {
 		reactiveWebContextRunner()
-			.withPropertyValues("spring.rsocket.server.ssl.keyStore=classpath:rsocket/test.jks",
+			.withPropertyValues("spring.rsocket.server.ssl.keyStore=classpath:test.jks",
 					"spring.rsocket.server.ssl.keyPassword=password", "spring.rsocket.server.port=0")
 			.run((context) -> assertThat(context).hasSingleBean(RSocketServerFactory.class)
 				.hasSingleBean(RSocketServerBootstrap.class)
 				.hasSingleBean(RSocketServerCustomizer.class)
 				.getBean(RSocketServerFactory.class)
-				.hasFieldOrPropertyWithValue("ssl.keyStore", "classpath:rsocket/test.jks")
+				.hasFieldOrPropertyWithValue("ssl.keyStore", "classpath:test.jks")
 				.hasFieldOrPropertyWithValue("ssl.keyPassword", "password"));
 	}
 
 	@Test
 	@Disabled
+	@WithPackageResources("test.jks")
 	void shouldUseSslWhenRocketServerSslIsConfiguredWithSslBundle() {
 		reactiveWebContextRunner()
 			.withPropertyValues("spring.rsocket.server.port=0", "spring.rsocket.server.ssl.bundle=test-bundle",
-					"spring.ssl.bundle.jks.test-bundle.keystore.location=classpath:rsocket/test.jks",
+					"spring.ssl.bundle.jks.test-bundle.keystore.location=classpath:test.jks",
 					"spring.ssl.bundle.jks.test-bundle.key.password=password")
 			.run((context) -> assertThat(context).hasSingleBean(RSocketServerFactory.class)
 				.hasSingleBean(RSocketServerBootstrap.class)
 				.hasSingleBean(RSocketServerCustomizer.class)
 				.getBean(RSocketServerFactory.class)
-				.hasFieldOrPropertyWithValue("sslBundle.details.keyStore", "classpath:rsocket/test.jks")
+				.hasFieldOrPropertyWithValue("sslBundle.details.keyStore", "classpath:test.jks")
 				.hasFieldOrPropertyWithValue("sslBundle.details.keyPassword", "password"));
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/reactive/ReactiveOAuth2ResourceServerAutoConfigurationTests.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.
@@ -17,6 +17,10 @@
 package org.springframework.boot.autoconfigure.security.oauth2.resource.reactive;
 
 import java.io.IOException;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.net.URI;
 import java.net.URL;
 import java.time.Duration;
@@ -49,6 +53,7 @@ import org.springframework.boot.autoconfigure.security.oauth2.resource.JwtConver
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableReactiveWebApplicationContext;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
@@ -173,6 +178,7 @@ class ReactiveOAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationUsingPublicKeyValueShouldConfigureResourceServerUsingSingleJwsAlgorithm() {
 		this.contextRunner
 			.withPropertyValues(
@@ -186,6 +192,7 @@ class ReactiveOAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationUsingPublicKeyValueWithMultipleJwsAlgorithmsShouldFail() {
 		this.contextRunner
 			.withPropertyValues(
@@ -284,6 +291,7 @@ class ReactiveOAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationShouldConfigureResourceServerUsingPublicKeyValue() {
 		this.contextRunner
 			.withPropertyValues(
@@ -539,6 +547,7 @@ class ReactiveOAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationShouldConfigureAudienceValidatorIfPropertyProvidedAndPublicKey() throws Exception {
 		this.server = new MockWebServer();
 		this.server.start();
@@ -891,4 +900,18 @@ class ReactiveOAuth2ResourceServerAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "public-key-location", content = """
+			-----BEGIN PUBLIC KEY-----
+			MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdlatRjRjogo3WojgGHFHYLugd
+			UWAY9iR3fy4arWNA1KoS8kVw33cJibXr8bvwUAUparCwlvdbH6dvEOfou0/gCFQs
+			HUfQrSDv+MuSUMAe8jzKE4qW+jK+xQU9a03GUnKHkkle+Q0pX/g6jXZ7r1/xAK5D
+			o2kQ+X5xK9cipRgEKwIDAQAB
+			-----END PUBLIC KEY-----
+			""")
+	@interface WithPublicKeyResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/oauth2/resource/servlet/OAuth2ResourceServerAutoConfigurationTests.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.
@@ -16,6 +16,10 @@
 
 package org.springframework.boot.autoconfigure.security.oauth2.resource.servlet;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.net.URI;
 import java.net.URL;
 import java.time.Instant;
@@ -48,6 +52,7 @@ import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguratio
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.annotation.Order;
@@ -174,6 +179,7 @@ class OAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationUsingPublicKeyValueShouldConfigureResourceServerUsingSingleJwsAlgorithm() {
 		this.contextRunner
 			.withPropertyValues(
@@ -187,6 +193,7 @@ class OAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationUsingPublicKeyValueWithMultipleJwsAlgorithmsShouldFail() {
 		this.contextRunner
 			.withPropertyValues(
@@ -277,6 +284,7 @@ class OAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationShouldConfigureResourceServerUsingPublicKeyValue() throws Exception {
 		this.server = new MockWebServer();
 		this.server.start();
@@ -304,6 +312,7 @@ class OAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationShouldFailIfAlgorithmIsInvalid() {
 		this.contextRunner
 			.withPropertyValues(
@@ -583,6 +592,7 @@ class OAuth2ResourceServerAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void autoConfigurationShouldConfigureAudienceValidatorIfPropertyProvidedAndPublicKey() throws Exception {
 		this.server = new MockWebServer();
 		this.server.start();
@@ -877,4 +887,18 @@ class OAuth2ResourceServerAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "public-key-location", content = """
+			-----BEGIN PUBLIC KEY-----
+			MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdlatRjRjogo3WojgGHFHYLugd
+			UWAY9iR3fy4arWNA1KoS8kVw33cJibXr8bvwUAUparCwlvdbH6dvEOfou0/gCFQs
+			HUfQrSDv+MuSUMAe8jzKE4qW+jK+xQU9a03GUnKHkkle+Q0pX/g6jXZ7r1/xAK5D
+			o2kQ+X5xK9cipRgEKwIDAQAB
+			-----END PUBLIC KEY-----
+			""")
+	@interface WithPublicKeyResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/saml2/Saml2RelyingPartyAutoConfigurationTests.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.
@@ -32,6 +32,7 @@ import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.ClassPathResource;
@@ -90,6 +91,7 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void relyingPartyRegistrationRepositoryBeanShouldBeCreatedWhenPropertiesPresent() {
 		this.contextRunner.withPropertyValues(getPropertyValues()).run((context) -> {
 			RelyingPartyRegistrationRepository repository = context.getBean(RelyingPartyRegistrationRepository.class);
@@ -124,6 +126,7 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void autoConfigurationWhenSignRequestsTrueAndNoSigningCredentialsShouldThrowException() {
 		this.contextRunner.withPropertyValues(getPropertyValuesWithoutSigningCredentials(true)).run((context) -> {
 			assertThat(context).hasFailed();
@@ -133,17 +136,19 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void autoConfigurationWhenSignRequestsFalseAndNoSigningCredentialsShouldNotThrowException() {
 		this.contextRunner.withPropertyValues(getPropertyValuesWithoutSigningCredentials(false))
 			.run((context) -> assertThat(context).hasSingleBean(RelyingPartyRegistrationRepository.class));
 	}
 
 	@Test
+	@WithPackageResources("idp-metadata")
 	void autoconfigurationShouldQueryAssertingPartyMetadataWhenMetadataUrlIsPresent() throws Exception {
 		try (MockWebServer server = new MockWebServer()) {
 			server.start();
 			String metadataUrl = server.url("").toString();
-			setupMockResponse(server, new ClassPathResource("saml/idp-metadata"));
+			setupMockResponse(server, new ClassPathResource("idp-metadata"));
 			this.contextRunner.withPropertyValues(PREFIX + ".foo.assertingparty.metadata-uri=" + metadataUrl)
 				.run((context) -> {
 					assertThat(context).hasSingleBean(RelyingPartyRegistrationRepository.class);
@@ -153,11 +158,12 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("idp-metadata")
 	void autoconfigurationShouldUseBindingFromMetadataUrlIfPresent() throws Exception {
 		try (MockWebServer server = new MockWebServer()) {
 			server.start();
 			String metadataUrl = server.url("").toString();
-			setupMockResponse(server, new ClassPathResource("saml/idp-metadata"));
+			setupMockResponse(server, new ClassPathResource("idp-metadata"));
 			this.contextRunner.withPropertyValues(PREFIX + ".foo.assertingparty.metadata-uri=" + metadataUrl)
 				.run((context) -> {
 					RelyingPartyRegistrationRepository repository = context
@@ -170,11 +176,12 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("idp-metadata")
 	void autoconfigurationWhenMetadataUrlAndPropertyPresentShouldUseBindingFromProperty() throws Exception {
 		try (MockWebServer server = new MockWebServer()) {
 			server.start();
 			String metadataUrl = server.url("").toString();
-			setupMockResponse(server, new ClassPathResource("saml/idp-metadata"));
+			setupMockResponse(server, new ClassPathResource("idp-metadata"));
 			this.contextRunner
 				.withPropertyValues(PREFIX + ".foo.assertingparty.metadata-uri=" + metadataUrl,
 						PREFIX + ".foo.assertingparty.singlesignon.binding=redirect")
@@ -189,6 +196,7 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void autoconfigurationWhenNoMetadataUrlOrPropertyPresentShouldUseRedirectBinding() {
 		this.contextRunner.withPropertyValues(getPropertyValuesWithoutSsoBinding()).run((context) -> {
 			RelyingPartyRegistrationRepository repository = context.getBean(RelyingPartyRegistrationRepository.class);
@@ -209,12 +217,14 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void samlLoginShouldBeConfigured() {
 		this.contextRunner.withPropertyValues(getPropertyValues())
 			.run((context) -> assertThat(hasSecurityFilter(context, Saml2WebSsoAuthenticationFilter.class)).isTrue());
 	}
 
 	@Test
+	@WithPackageResources({ "private-key-location", "certificate-location" })
 	void samlLoginShouldBackOffWhenASecurityFilterChainBeanIsPresent() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(WebMvcAutoConfiguration.class))
 			.withUserConfiguration(TestSecurityFilterChainConfig.class)
@@ -223,13 +233,17 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void samlLoginShouldShouldBeConditionalOnSecurityWebFilterClass() {
-		this.contextRunner.withClassLoader(new FilteredClassLoader(SecurityFilterChain.class))
+		this.contextRunner
+			.withClassLoader(
+					new FilteredClassLoader(Thread.currentThread().getContextClassLoader(), SecurityFilterChain.class))
 			.withPropertyValues(getPropertyValues())
 			.run((context) -> assertThat(context).doesNotHaveBean(SecurityFilterChain.class));
 	}
 
 	@Test
+	@WithPackageResources({ "certificate-location", "private-key-location" })
 	void samlLogoutShouldBeConfigured() {
 		this.contextRunner.withPropertyValues(getPropertyValues())
 			.run((context) -> assertThat(hasSecurityFilter(context, Saml2LogoutRequestFilter.class)).isTrue());
@@ -241,26 +255,29 @@ class Saml2RelyingPartyAutoConfigurationTests {
 				PREFIX + ".foo.assertingparty.singlesignon.binding=post",
 				PREFIX + ".foo.assertingparty.singlesignon.sign-request=" + signRequests,
 				PREFIX + ".foo.assertingparty.entity-id=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/metadata.php",
-				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:saml/certificate-location" };
+				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:certificate-location" };
 	}
 
 	@Test
+	@WithPackageResources("idp-metadata-with-multiple-providers")
 	void autoconfigurationWhenMultipleProvidersAndNoSpecifiedEntityId() throws Exception {
 		testMultipleProviders(null, "https://idp.example.com/idp/shibboleth");
 	}
 
 	@Test
+	@WithPackageResources("idp-metadata-with-multiple-providers")
 	void autoconfigurationWhenMultipleProvidersAndSpecifiedEntityId() throws Exception {
 		testMultipleProviders("https://idp.example.com/idp/shibboleth", "https://idp.example.com/idp/shibboleth");
 		testMultipleProviders("https://idp2.example.com/idp/shibboleth", "https://idp2.example.com/idp/shibboleth");
 	}
 
 	@Test
+	@WithPackageResources("idp-metadata")
 	void signRequestShouldApplyIfMetadataUriIsSet() throws Exception {
 		try (MockWebServer server = new MockWebServer()) {
 			server.start();
 			String metadataUrl = server.url("").toString();
-			setupMockResponse(server, new ClassPathResource("saml/idp-metadata"));
+			setupMockResponse(server, new ClassPathResource("idp-metadata"));
 			this.contextRunner.withPropertyValues(PREFIX + ".foo.assertingparty.metadata-uri=" + metadataUrl,
 					PREFIX + ".foo.assertingparty.singlesignon.sign-request=true",
 					PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:org/springframework/boot/autoconfigure/security/saml2/rsa.key",
@@ -275,15 +292,16 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("certificate-location")
 	void autoconfigurationWithInvalidPrivateKeyShouldFail() {
 		this.contextRunner.withPropertyValues(
-				PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:saml/certificate-location",
-				PREFIX + ".foo.signing.credentials[0].certificate-location=classpath:saml/certificate-location",
+				PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:certificate-location",
+				PREFIX + ".foo.signing.credentials[0].certificate-location=classpath:certificate-location",
 				PREFIX + ".foo.assertingparty.singlesignon.url=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/SSOService.php",
 				PREFIX + ".foo.assertingparty.singlesignon.binding=post",
 				PREFIX + ".foo.assertingparty.singlesignon.sign-request=false",
 				PREFIX + ".foo.assertingparty.entity-id=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/metadata.php",
-				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:saml/certificate-location")
+				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:certificate-location")
 			.run((context) -> assertThat(context).hasFailed()
 				.getFailure()
 				.rootCause()
@@ -291,15 +309,16 @@ class Saml2RelyingPartyAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPackageResources("private-key-location")
 	void autoconfigurationWithInvalidCertificateShouldFail() {
 		this.contextRunner.withPropertyValues(
-				PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:saml/private-key-location",
-				PREFIX + ".foo.signing.credentials[0].certificate-location=classpath:saml/private-key-location",
+				PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:private-key-location",
+				PREFIX + ".foo.signing.credentials[0].certificate-location=classpath:private-key-location",
 				PREFIX + ".foo.assertingparty.singlesignon.url=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/SSOService.php",
 				PREFIX + ".foo.assertingparty.singlesignon.binding=post",
 				PREFIX + ".foo.assertingparty.singlesignon.sign-request=false",
 				PREFIX + ".foo.assertingparty.entity-id=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/metadata.php",
-				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:saml/certificate-location")
+				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:private-key-location")
 			.run((context) -> assertThat(context).hasFailed()
 				.getFailure()
 				.rootCause()
@@ -310,7 +329,7 @@ class Saml2RelyingPartyAutoConfigurationTests {
 		try (MockWebServer server = new MockWebServer()) {
 			server.start();
 			String metadataUrl = server.url("").toString();
-			setupMockResponse(server, new ClassPathResource("saml/idp-metadata-with-multiple-providers"));
+			setupMockResponse(server, new ClassPathResource("idp-metadata-with-multiple-providers"));
 			WebApplicationContextRunner contextRunner = this.contextRunner
 				.withPropertyValues(PREFIX + ".foo.assertingparty.metadata-uri=" + metadataUrl);
 			if (specifiedEntityId != null) {
@@ -333,15 +352,15 @@ class Saml2RelyingPartyAutoConfigurationTests {
 				+ ".foo.assertingparty.singlesignon.url=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/SSOService.php",
 				PREFIX + ".foo.assertingparty.singlesignon.sign-request=false",
 				PREFIX + ".foo.assertingparty.entity-id=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/metadata.php",
-				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:saml/certificate-location" };
+				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:certificate-location" };
 	}
 
 	private String[] getPropertyValues() {
 		return new String[] {
-				PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:saml/private-key-location",
-				PREFIX + ".foo.signing.credentials[0].certificate-location=classpath:saml/certificate-location",
-				PREFIX + ".foo.decryption.credentials[0].private-key-location=classpath:saml/private-key-location",
-				PREFIX + ".foo.decryption.credentials[0].certificate-location=classpath:saml/certificate-location",
+				PREFIX + ".foo.signing.credentials[0].private-key-location=classpath:private-key-location",
+				PREFIX + ".foo.signing.credentials[0].certificate-location=classpath:certificate-location",
+				PREFIX + ".foo.decryption.credentials[0].private-key-location=classpath:private-key-location",
+				PREFIX + ".foo.decryption.credentials[0].certificate-location=classpath:certificate-location",
 				PREFIX + ".foo.singlelogout.url=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/SLOService.php",
 				PREFIX + ".foo.singlelogout.response-url=https://simplesaml-for-spring-saml.cfapps.io/",
 				PREFIX + ".foo.singlelogout.binding=post",
@@ -349,7 +368,7 @@ class Saml2RelyingPartyAutoConfigurationTests {
 				PREFIX + ".foo.assertingparty.singlesignon.binding=post",
 				PREFIX + ".foo.assertingparty.singlesignon.sign-request=false",
 				PREFIX + ".foo.assertingparty.entity-id=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/metadata.php",
-				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:saml/certificate-location",
+				PREFIX + ".foo.assertingparty.verification.credentials[0].certificate-location=classpath:certificate-location",
 				PREFIX + ".foo.asserting-party.singlelogout.url=https://simplesaml-for-spring-saml.cfapps.io/saml2/idp/SLOService.php",
 				PREFIX + ".foo.asserting-party.singlelogout.response-url=https://simplesaml-for-spring-saml.cfapps.io/",
 				PREFIX + ".foo.asserting-party.singlelogout.binding=post",

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/security/servlet/SecurityAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -16,6 +16,10 @@
 
 package org.springframework.boot.autoconfigure.security.servlet;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.security.interfaces.RSAPublicKey;
 import java.util.EnumSet;
 
@@ -36,6 +40,7 @@ import org.springframework.boot.context.properties.EnableConfigurationProperties
 import org.springframework.boot.convert.ApplicationConversionService;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.DelegatingFilterProxyRegistrationBean;
 import org.springframework.boot.web.servlet.filter.OrderedFilter;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
@@ -193,6 +198,7 @@ class SecurityAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void whenAConfigurationPropertyBindingConverterIsDefinedThenBindingToAnRsaKeySucceeds() {
 		this.contextRunner.withUserConfiguration(ConverterConfiguration.class, PropertiesConfiguration.class)
 			.withPropertyValues("jwt.public-key=classpath:public-key-location")
@@ -200,6 +206,7 @@ class SecurityAutoConfigurationTests {
 	}
 
 	@Test
+	@WithPublicKeyResource
 	void whenTheBeanFactoryHasAConversionServiceAndAConfigurationPropertyBindingConverterIsDefinedThenBindingToAnRsaKeySucceeds() {
 		this.contextRunner
 			.withInitializer(
@@ -295,4 +302,18 @@ class SecurityAutoConfigurationTests {
 
 	}
 
+	@Target(ElementType.METHOD)
+	@Retention(RetentionPolicy.RUNTIME)
+	@WithResource(name = "public-key-location", content = """
+			-----BEGIN PUBLIC KEY-----
+			MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdlatRjRjogo3WojgGHFHYLugd
+			UWAY9iR3fy4arWNA1KoS8kVw33cJibXr8bvwUAUparCwlvdbH6dvEOfou0/gCFQs
+			HUfQrSDv+MuSUMAe8jzKE4qW+jK+xQU9a03GUnKHkkle+Q0pX/g6jXZ7r1/xAK5D
+			o2kQ+X5xK9cipRgEKwIDAQAB
+			-----END PUBLIC KEY-----
+			""")
+	@interface WithPublicKeyResource {
+
+	}
+
 }

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/SessionAutoConfigurationJdbcTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -21,6 +21,7 @@ import java.time.Duration;
 import javax.sql.DataSource;
 
 import org.apache.commons.dbcp2.BasicDataSource;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
@@ -37,6 +38,7 @@ import org.springframework.boot.sql.init.DatabaseInitializationSettings;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.AbstractFilterRegistrationBean;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -63,13 +65,19 @@ import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
  */
 class SessionAutoConfigurationJdbcTests extends AbstractSessionAutoConfigurationTests {
 
-	private final WebApplicationContextRunner contextRunner = new WebApplicationContextRunner()
-		.withClassLoader(new FilteredClassLoader(HazelcastIndexedSessionRepository.class,
-				MongoIndexedSessionRepository.class, RedisIndexedSessionRepository.class))
+	private WebApplicationContextRunner contextRunner;
+
+	@BeforeEach
+	void prepareRunner() {
+		this.contextRunner = new WebApplicationContextRunner()
+			.withClassLoader(new FilteredClassLoader(Thread.currentThread().getContextClassLoader(),
+					HazelcastIndexedSessionRepository.class, MongoIndexedSessionRepository.class,
+					RedisIndexedSessionRepository.class))
 			.withConfiguration(AutoConfigurations.of(DataSourceAutoConfiguration.class,
 					DataSourceTransactionManagerAutoConfiguration.class, JdbcTemplateAutoConfiguration.class,
 					SessionAutoConfiguration.class))
 			.withPropertyValues("spring.datasource.generate-unique-name=true");
+	}
 
 	@Test
 	void defaultConfig() {
@@ -127,9 +135,8 @@ class SessionAutoConfigurationJdbcTests extends AbstractSessionAutoConfiguration
 
 	@Test
 	void customTableName() {
-		this.contextRunner
-			.withPropertyValues("spring.session.jdbc.table-name=FOO_BAR",
-					"spring.session.jdbc.schema=classpath:session/custom-schema-h2.sql")
+		this.contextRunner.withPropertyValues("spring.session.jdbc.table-name=FOO_BAR",
+				"spring.session.jdbc.schema=classpath:org/springframework/boot/autoconfigure/session/custom-schema-h2.sql")
 			.run((context) -> {
 				JdbcIndexedSessionRepository repository = validateSessionRepository(context,
 						JdbcIndexedSessionRepository.class);
@@ -211,6 +218,7 @@ class SessionAutoConfigurationJdbcTests extends AbstractSessionAutoConfiguration
 	}
 
 	@Test
+	@WithResource(name = "db/changelog/db.changelog-master.yaml", content = "databaseChangeLog:")
 	void sessionRepositoryBeansDependOnLiquibase() {
 		this.contextRunner.withConfiguration(AutoConfigurations.of(LiquibaseAutoConfiguration.class))
 			.withPropertyValues("spring.session.jdbc.initialize-schema=never")

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/ssl/SslPropertiesBundleRegistrarTests.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.
@@ -67,9 +67,9 @@ class SslPropertiesBundleRegistrarTests {
 	void shouldWatchJksBundles() {
 		JksSslBundleProperties jks = new JksSslBundleProperties();
 		jks.setReloadOnUpdate(true);
-		jks.getKeystore().setLocation("classpath:test.jks");
+		jks.getKeystore().setLocation("classpath:org/springframework/boot/autoconfigure/ssl/test.jks");
 		jks.getKeystore().setPassword("secret");
-		jks.getTruststore().setLocation("classpath:test.jks");
+		jks.getTruststore().setLocation("classpath:org/springframework/boot/autoconfigure/ssl/test.jks");
 		jks.getTruststore().setPassword("secret");
 		this.properties.getBundle().getJks().put("bundle1", jks);
 		this.registrar.registerBundles(this.registry);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafReactiveAutoConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -43,6 +43,7 @@ import org.springframework.boot.test.context.runner.ReactiveWebApplicationContex
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
 import org.springframework.boot.testsupport.BuildOutput;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.MediaType;
@@ -70,6 +71,7 @@ class ThymeleafReactiveAutoConfigurationTests {
 		.withConfiguration(AutoConfigurations.of(ThymeleafAutoConfiguration.class));
 
 	@Test
+	@WithResource(name = "templates/template.html", content = "<html th:text=\"${foo}\">foo</html>")
 	void createFromConfigClass() {
 		this.contextRunner.withPropertyValues("spring.thymeleaf.suffix:.html").run((context) -> {
 			TemplateEngine engine = context.getBean(TemplateEngine.class);
@@ -188,6 +190,7 @@ class ThymeleafReactiveAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/data-dialect.html", content = "<html><body data:foo=\"${foo}\"></body></html>")
 	void useDataDialect() {
 		this.contextRunner.run((context) -> {
 			ISpringWebFluxTemplateEngine engine = context.getBean(ISpringWebFluxTemplateEngine.class);
@@ -198,6 +201,8 @@ class ThymeleafReactiveAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/java8time-dialect.html",
+			content = "<html><body th:text=\"${#temporals.create('2015','11','24')}\"></body></html>")
 	void useJava8TimeDialect() {
 		this.contextRunner.run((context) -> {
 			ISpringWebFluxTemplateEngine engine = context.getBean(ISpringWebFluxTemplateEngine.class);
@@ -208,6 +213,8 @@ class ThymeleafReactiveAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/security-dialect.html",
+			content = "<html><body><div sec:authentication=\"name\"></div></body></html>\n")
 	void useSecurityDialect() {
 		this.contextRunner.run((context) -> {
 			ISpringWebFluxTemplateEngine engine = context.getBean(ISpringWebFluxTemplateEngine.class);
@@ -229,6 +236,7 @@ class ThymeleafReactiveAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.html", content = "<html><body th:text=\"${foo}\">Home</body></html>")
 	void renderTemplate() {
 		this.contextRunner.run((context) -> {
 			ISpringWebFluxTemplateEngine engine = context.getBean(ISpringWebFluxTemplateEngine.class);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafServletAutoConfigurationTests.java

@@ -46,6 +46,7 @@ import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
 import org.springframework.boot.testsupport.BuildOutput;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
 import org.springframework.boot.web.servlet.filter.OrderedCharacterEncodingFilter;
 import org.springframework.context.annotation.Bean;
@@ -89,6 +90,7 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/template.html", content = "<html th:text=\"${foo}\">foo</html>")
 	void createFromConfigClass() {
 		this.contextRunner.withPropertyValues("spring.thymeleaf.mode:HTML", "spring.thymeleaf.suffix:")
 			.run((context) -> {
@@ -184,6 +186,19 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/view.html",
+			content = """
+					<html xmlns:th="https://www.thymeleaf.org" xmlns:layout="https://www.ultraq.net.nz/web/thymeleaf/layout" layout:decorator="layout">
+					  <head>
+					    <title layout:fragment="title">Content</title>
+					  </head>
+					  <body>
+					    <div layout:fragment="content">
+					    	<span th:text="${foo}">foo</span>
+					    </div>
+					  </body>
+					</html>
+					""")
 	void createLayoutFromConfigClass() {
 		this.contextRunner.run((context) -> {
 			ThymeleafView view = (ThymeleafView) context.getBean(ThymeleafViewResolver.class)
@@ -200,6 +215,7 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/data-dialect.html", content = "<html><body data:foo=\"${foo}\"></body></html>")
 	void useDataDialect() {
 		this.contextRunner.run((context) -> {
 			TemplateEngine engine = context.getBean(TemplateEngine.class);
@@ -210,6 +226,8 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/java8time-dialect.html",
+			content = "<html><body th:text=\"${#temporals.create('2015','11','24')}\"></body></html>")
 	void useJava8TimeDialect() {
 		this.contextRunner.run((context) -> {
 			TemplateEngine engine = context.getBean(TemplateEngine.class);
@@ -220,6 +238,8 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/security-dialect.html",
+			content = "<html><body><div sec:authentication=\"name\"></div></body></html>\n")
 	void useSecurityDialect() {
 		this.contextRunner.run((context) -> {
 			TemplateEngine engine = context.getBean(TemplateEngine.class);
@@ -246,6 +266,7 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/home.html", content = "<html><body th:text=\"${foo}\">Home</body></html>")
 	void renderTemplate() {
 		this.contextRunner.run((context) -> {
 			TemplateEngine engine = context.getBean(TemplateEngine.class);
@@ -256,6 +277,8 @@ class ThymeleafServletAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/message.html",
+			content = "<html><body>Message: <span th:text=\"${greeting}\">Hello</span></body></html>")
 	void renderNonWebAppTemplate() {
 		new ApplicationContextRunner().withConfiguration(AutoConfigurations.of(ThymeleafAutoConfiguration.class))
 			.run((context) -> {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/thymeleaf/ThymeleafTemplateAvailabilityProviderTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -19,6 +19,7 @@ package org.springframework.boot.autoconfigure.thymeleaf;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.mock.env.MockEnvironment;
@@ -39,6 +40,7 @@ class ThymeleafTemplateAvailabilityProviderTests {
 	private final MockEnvironment environment = new MockEnvironment();
 
 	@Test
+	@WithResource(name = "templates/home.html")
 	void availabilityOfTemplateInDefaultLocation() {
 		assertThat(this.provider.isTemplateAvailable("home", this.environment, getClass().getClassLoader(),
 				this.resourceLoader))
@@ -53,6 +55,7 @@ class ThymeleafTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.html")
 	void availabilityOfTemplateWithCustomPrefix() {
 		this.environment.setProperty("spring.thymeleaf.prefix", "classpath:/custom-templates/");
 		assertThat(this.provider.isTemplateAvailable("custom", this.environment, getClass().getClassLoader(),
@@ -61,6 +64,7 @@ class ThymeleafTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/suffixed.thymeleaf")
 	void availabilityOfTemplateWithCustomSuffix() {
 		this.environment.setProperty("spring.thymeleaf.suffix", ".thymeleaf");
 		assertThat(this.provider.isTemplateAvailable("suffixed", this.environment, getClass().getClassLoader(),

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/WebResourcesRuntimeHintsTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -17,7 +17,6 @@
 package org.springframework.boot.autoconfigure.web;
 
 import java.net.URL;
-import java.net.URLClassLoader;
 import java.util.Collections;
 import java.util.List;
 import java.util.function.Consumer;
@@ -27,6 +26,7 @@ import org.junit.jupiter.api.Test;
 import org.springframework.aot.hint.ResourcePatternHint;
 import org.springframework.aot.hint.ResourcePatternHints;
 import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -35,6 +35,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Stephane Nicoll
  */
+@WithResource(name = "web/custom-resource.txt")
 class WebResourcesRuntimeHintsTests {
 
 	@Test
@@ -71,12 +72,12 @@ class WebResourcesRuntimeHintsTests {
 		};
 	}
 
-	private static class TestClassLoader extends URLClassLoader {
+	private static class TestClassLoader extends ClassLoader {
 
 		private final List<String> availableResources;
 
 		TestClassLoader(List<String> availableResources) {
-			super(new URL[0], TestClassLoader.class.getClassLoader());
+			super(Thread.currentThread().getContextClassLoader());
 			this.availableResources = availableResources;
 		}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WebFluxAutoConfigurationTests.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.
@@ -57,6 +57,7 @@ import org.springframework.boot.autoconfigure.web.reactive.WebFluxAutoConfigurat
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.codec.CodecCustomizer;
 import org.springframework.boot.web.reactive.context.ReactiveWebApplicationContext;
 import org.springframework.boot.web.reactive.filter.OrderedHiddenHttpMethodFilter;
@@ -530,6 +531,7 @@ class WebFluxAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "welcome-page/index.html", content = "welcome-page-static")
 	void welcomePageHandlerMapping() {
 		this.contextRunner.withPropertyValues("spring.web.resources.static-locations=classpath:/welcome-page/")
 			.run((context) -> {

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/WelcomePageRouterFunctionFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -27,6 +27,7 @@ import reactor.core.publisher.Mono;
 
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProvider;
 import org.springframework.boot.autoconfigure.template.TemplateAvailabilityProviders;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.context.support.StaticApplicationContext;
 import org.springframework.core.io.buffer.DataBuffer;
 import org.springframework.core.io.buffer.DataBufferFactory;
@@ -46,6 +47,7 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Brian Clozel
  */
+@WithResource(name = "welcome-page/index.html", content = "welcome-page-static")
 class WelcomePageRouterFunctionFactoryTests {
 
 	private StaticApplicationContext applicationContext;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/error/DefaultErrorWebExceptionHandlerIntegrationTests.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.
@@ -22,9 +22,12 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 
 import jakarta.validation.Valid;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import reactor.core.publisher.Mono;
+import reactor.core.scheduler.Schedulers;
 
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
@@ -39,6 +42,7 @@ import org.springframework.boot.test.context.assertj.AssertableReactiveWebApplic
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
 import org.springframework.boot.test.system.CapturedOutput;
 import org.springframework.boot.test.system.OutputCaptureExtension;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.error.ErrorAttributeOptions;
 import org.springframework.boot.web.error.ErrorAttributeOptions.Include;
 import org.springframework.boot.web.reactive.error.DefaultErrorAttributes;
@@ -88,6 +92,12 @@ class DefaultErrorWebExceptionHandlerIntegrationTests {
 		.withPropertyValues("spring.main.web-application-type=reactive", "server.port=0")
 		.withUserConfiguration(Application.class);
 
+	@BeforeEach
+	@AfterEach
+	void clearReactorSchedulers() {
+		Schedulers.shutdownNow();
+	}
+
 	@Test
 	void jsonError(CapturedOutput output) {
 		this.contextRunner.run((context) -> {
@@ -141,7 +151,18 @@ class DefaultErrorWebExceptionHandlerIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/error/error.mustache", content = """
+			<html>
+			<body>
+			<ul>
+				<li>status: {{status}}</li>
+				<li>message: {{message}}</li>
+			</ul>
+			</body>
+			</html>
+			""")
 	void htmlError() {
+		Schedulers.shutdownNow();
 		this.contextRunner.withPropertyValues("server.error.include-message=always").run((context) -> {
 			WebTestClient client = getWebClient(context);
 			String body = client.get()

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/error/DefaultErrorWebExceptionHandlerTests.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.
@@ -24,6 +24,7 @@ import reactor.core.publisher.Mono;
 
 import org.springframework.boot.autoconfigure.web.ErrorProperties;
 import org.springframework.boot.autoconfigure.web.WebProperties.Resources;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.reactive.context.AnnotationConfigReactiveWebApplicationContext;
 import org.springframework.boot.web.reactive.error.ErrorAttributes;
 import org.springframework.context.ApplicationContext;
@@ -52,6 +53,16 @@ import static org.mockito.Mockito.mock;
 class DefaultErrorWebExceptionHandlerTests {
 
 	@Test
+	@WithResource(name = "templates/error/error.mustache", content = """
+			<html>
+			<body>
+			<ul>
+				<li>status: {{status}}</li>
+				<li>message: {{message}}</li>
+			</ul>
+			</body>
+			</html>
+			""")
 	void nonStandardErrorStatusCodeShouldNotFail() {
 		ErrorAttributes errorAttributes = mock(ErrorAttributes.class);
 		given(errorAttributes.getErrorAttributes(any(), any())).willReturn(Collections.singletonMap("status", 498));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/function/client/AbstractClientHttpConnectorFactoryTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -22,6 +22,7 @@ import org.springframework.boot.ssl.SslBundle;
 import org.springframework.boot.ssl.SslBundleKey;
 import org.springframework.boot.ssl.jks.JksSslStoreBundle;
 import org.springframework.boot.ssl.jks.JksSslStoreDetails;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
 import org.springframework.boot.web.server.Ssl;
 import org.springframework.boot.web.server.Ssl.ClientAuth;
@@ -62,6 +63,7 @@ abstract class AbstractClientHttpConnectorFactoryTests {
 	}
 
 	@Test
+	@WithPackageResources("test.jks")
 	void secureConnection() throws Exception {
 		TomcatServletWebServerFactory webServerFactory = new TomcatServletWebServerFactory(0);
 		Ssl ssl = new Ssl();

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/reactive/function/client/ClientHttpConnectorFactoryConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -25,6 +25,7 @@ import org.springframework.boot.ssl.jks.JksSslStoreBundle;
 import org.springframework.boot.ssl.jks.JksSslStoreDetails;
 import org.springframework.boot.test.context.FilteredClassLoader;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithPackageResources;
 import org.springframework.context.annotation.Bean;
 import org.springframework.http.client.reactive.HttpComponentsClientHttpConnector;
 
@@ -42,6 +43,7 @@ import static org.mockito.Mockito.spy;
 class ClientHttpConnectorFactoryConfigurationTests {
 
 	@Test
+	@WithPackageResources("test.jks")
 	void shouldApplyHttpClientMapper() {
 		JksSslStoreDetails storeDetails = JksSslStoreDetails.forLocation("classpath:test.jks");
 		JksSslStoreBundle stores = new JksSslStoreBundle(storeDetails, storeDetails);

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/JspTemplateAvailabilityProviderTests.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.
@@ -18,6 +18,7 @@ package org.springframework.boot.autoconfigure.web.servlet;
 
 import org.junit.jupiter.api.Test;
 
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.mock.env.MockEnvironment;
@@ -43,15 +44,16 @@ class JspTemplateAvailabilityProviderTests {
 	}
 
 	@Test
+	@WithResource(name = "custom-templates/custom.jsp")
 	void availabilityOfTemplateWithCustomPrefix() {
 		this.environment.setProperty("spring.mvc.view.prefix", "classpath:/custom-templates/");
 		assertThat(isTemplateAvailable("custom.jsp")).isTrue();
 	}
 
 	@Test
+	@WithResource(name = "suffixed.java-server-pages")
 	void availabilityOfTemplateWithCustomSuffix() {
-		this.environment.setProperty("spring.mvc.view.prefix", "classpath:/custom-templates/");
-		this.environment.setProperty("spring.mvc.view.suffix", ".jsp");
+		this.environment.setProperty("spring.mvc.view.suffix", ".java-server-pages");
 		assertThat(isTemplateAvailable("suffixed")).isTrue();
 	}
 

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfigurationTests.java

@@ -57,6 +57,7 @@ import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguratio
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
 import org.springframework.boot.web.server.WebServerFactoryCustomizerBeanPostProcessor;
 import org.springframework.boot.web.servlet.FilterRegistrationBean;
@@ -691,6 +692,7 @@ class WebMvcAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "welcome-page/index.html", content = "welcome-page-static")
 	void welcomePageHandlerMappingIsAutoConfigured() {
 		this.contextRunner.withPropertyValues("spring.web.resources.static-locations:classpath:/welcome-page/")
 			.run((context) -> {
@@ -701,6 +703,7 @@ class WebMvcAutoConfigurationTests {
 	}
 
 	@Test
+	@WithResource(name = "welcome-page/index.html", content = "welcome-page-static")
 	void welcomePageHandlerIncludesCorsConfiguration() {
 		this.contextRunner.withPropertyValues("spring.web.resources.static-locations:classpath:/welcome-page/")
 			.withUserConfiguration(CorsConfigurer.class)

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WelcomePageHandlerMappingTests.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.
@@ -16,6 +16,7 @@
 
 package org.springframework.boot.autoconfigure.web.servlet;
 
+import java.nio.charset.StandardCharsets;
 import java.util.Collections;
 import java.util.Map;
 
@@ -39,7 +40,7 @@ import org.springframework.boot.test.system.OutputCaptureExtension;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.core.io.FileSystemResource;
+import org.springframework.core.io.ByteArrayResource;
 import org.springframework.core.io.Resource;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpStatus;
@@ -173,7 +174,7 @@ class WelcomePageHandlerMappingTests {
 
 		@Bean
 		Resource staticIndexPage() {
-			return new FileSystemResource("src/test/resources/welcome-page/index.html");
+			return new ByteArrayResource("welcome-page-static".getBytes(StandardCharsets.UTF_8));
 		}
 
 	}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/WelcomePageIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 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.
@@ -41,9 +41,10 @@ import static org.assertj.core.api.Assertions.assertThat;
  *
  * @author Madhura Bhave
  */
-@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
-		properties = { "spring.web.resources.chain.strategy.content.enabled=true",
-				"spring.thymeleaf.prefix=classpath:/templates/thymeleaf/" })
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, properties = {
+		"spring.web.resources.chain.strategy.content.enabled=true",
+		"spring.thymeleaf.prefix=classpath:/org/springframework/boot/autoconfigure/web/servlet/",
+		"spring.web.resources.static-locations=classpath:/org/springframework/boot/autoconfigure/web/servlet/static" })
 class WelcomePageIntegrationTests {
 
 	@LocalServerPort

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/servlet/error/BasicErrorControllerIntegrationTests.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.
@@ -46,6 +46,7 @@ import org.springframework.boot.autoconfigure.web.servlet.DispatcherServletAutoC
 import org.springframework.boot.autoconfigure.web.servlet.ServletWebServerFactoryAutoConfiguration;
 import org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration;
 import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.error.ErrorAttributeOptions;
 import org.springframework.boot.web.error.ErrorAttributeOptions.Include;
 import org.springframework.boot.web.servlet.error.ErrorAttributes;
@@ -326,6 +327,7 @@ class BasicErrorControllerIntegrationTests {
 	}
 
 	@Test
+	@WithResource(name = "templates/error/507.ftlh", content = "We are out of storage")
 	void testConventionTemplateMapping() {
 		load();
 		RequestEntity<?> request = RequestEntity.get(URI.create(createUrl("/noStorage")))

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/webservices/WebServicesAutoConfigurationTests.java

@@ -19,10 +19,13 @@ package org.springframework.boot.autoconfigure.webservices;
 import java.util.Collection;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
 
 import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.boot.autoconfigure.AutoConfigurations;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.testsupport.classpath.resources.WithResource;
 import org.springframework.boot.web.servlet.ServletRegistrationBean;
 import org.springframework.context.ApplicationContext;
 import org.springframework.ws.wsdl.wsdl11.SimpleWsdl11Definition;
@@ -87,17 +90,67 @@ class WebServicesAutoConfigurationTests {
 				.containsEntry("key2", "value2"));
 	}
 
-	@Test
-	void withWsdlBeans() {
-		this.contextRunner.withPropertyValues("spring.webservices.wsdl-locations=classpath:/wsdl").run((context) -> {
-			assertThat(context.getBeansOfType(SimpleWsdl11Definition.class)).containsOnlyKeys("service");
-			assertThat(context.getBeansOfType(SimpleXsdSchema.class)).containsOnlyKeys("types");
-		});
-	}
-
-	@Test
-	void withWsdlBeansAsList() {
-		this.contextRunner.withPropertyValues("spring.webservices.wsdl-locations[0]=classpath:/wsdl").run((context) -> {
+	@ParameterizedTest
+	@WithResource(name = "wsdl/service.wsdl", content = """
+			<?xml version="1.0" encoding="UTF-8"?>
+			<wsdl:definitions
+				xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+				xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
+				xmlns:tns="https://www.springframework.org/spring-ws/wsdl"
+				targetNamespace="https://www.springframework.org/spring-ws/wsdl">
+				<wsdl:types>
+					<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+						elementFormDefault="qualified"
+						targetNamespace="https://www.springframework.org/spring-ws/wsdl">
+						<xsd:element name="request" type="xsd:string" />
+						<xsd:element name="response" type="xsd:string" />
+					</xsd:schema>
+				</wsdl:types>
+				<wsdl:message name="responseMessage">
+					<wsdl:part name="body" element="tns:response" />
+				</wsdl:message>
+				<wsdl:message name="requestMessage">
+					<wsdl:part name="body" element="tns:request" />
+				</wsdl:message>
+				<wsdl:portType name="portType">
+					<wsdl:operation name="operation">
+						<wsdl:input message="tns:requestMessage" name="request" />
+						<wsdl:output message="tns:responseMessage"
+							name="response" />
+					</wsdl:operation>
+				</wsdl:portType>
+				<wsdl:binding name="binding" type="tns:portType">
+					<soap:binding style="document"
+						transport="http://schemas.xmlsoap.org/soap/http" />
+					<wsdl:operation name="operation">
+						<soap:operation soapAction="" />
+						<wsdl:input name="request">
+							<soap:body use="literal" />
+						</wsdl:input>
+						<wsdl:output name="response">
+							<soap:body use="literal" />
+						</wsdl:output>
+					</wsdl:operation>
+				</wsdl:binding>
+				<wsdl:service name="service">
+					<wsdl:port binding="tns:binding" name="port">
+						<soap:address location="/services" />
+					</wsdl:port>
+				</wsdl:service>
+			</wsdl:definitions>
+			""")
+	@WithResource(name = "wsdl/types.xsd", content = """
+			<?xml version="1.0" encoding="UTF-8"?>
+			<schema xmlns="http://www.w3.org/2001/XMLSchema"
+				elementFormDefault="qualified"
+				targetNamespace="https://www.springframework.org/spring-ws/wsdl/schemas">
+				<element name="request" type="string" />
+				<element name="response" type="string" />
+			</schema>
+			""")
+	@ValueSource(strings = { "spring.webservices.wsdl-locations", "spring.webservices.wsdl-locations[0]" })
+	void withWsdlBeans(String propertyName) {
+		this.contextRunner.withPropertyValues(propertyName + "=classpath:/wsdl").run((context) -> {
 			assertThat(context.getBeansOfType(SimpleWsdl11Definition.class)).containsOnlyKeys("service");
 			assertThat(context.getBeansOfType(SimpleXsdSchema.class)).containsOnlyKeys("types");
 		});

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/AutoConfigurationMetadataLoaderTests.properties

@@ -1,4 +0,0 @@
-test=
-test.string=abc
-test.int=123
-test.set=a,b,b,c

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/build-info.properties

@@ -1,5 +0,0 @@
-build.group=com.example
-build.artifact=demo
-build.name=Demo Project
-build.version=0.0.1-SNAPSHOT
-build.time=2016-03-04T14:16:05.000Z

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/mappings/non-annotated.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<entity-mappings xmlns="http://xmlns.jcp.org/xml/ns/persistence/orm"
-				 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-				 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence/orm https://www.oracle.com/webfolder/technetwork/jsc/xml/ns/persistence/orm_2_1.xsd"
-				 version="2.1">
-	<entity class="org.springframework.boot.autoconfigure.orm.jpa.mapping.NonAnnotatedEntity">
-		<table name="NON_ANNOTATED"/>
-		<attributes>
-			<id name="id">
-				<column name="id"/>
-				<generated-value strategy="IDENTITY"/>
-			</id>
-			<basic name="item">
-				<column name="item"/>
-			</basic>
-		</attributes>
-	</entity>
-</entity-mappings>

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/persistence.xml

@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence https://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
-	<persistence-unit name="manually-configured">
-		<class>org.springframework.boot.autoconfigure.orm.jpa.test.City</class>
-		<exclude-unlisted-classes>true</exclude-unlisted-classes>
-	</persistence-unit>
-</persistence>

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/spring.integration.properties

@@ -1 +0,0 @@
-spring.integration.endpoints.noAutoStartup=testService*

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$TestAutoConfiguration.imports

@@ -1,3 +0,0 @@
-org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$AfterDeprecatedAutoConfiguration
-org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$ReplacementAutoConfiguration
-

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$TestAutoConfiguration.replacements

@@ -1,2 +0,0 @@
-org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$DeprecatedAutoConfiguration=\
-org.springframework.boot.autoconfigure.AutoConfigurationImportSelectorTests$ReplacementAutoConfiguration

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfigurationReplacementsTests$TestAutoConfigurationReplacements.replacements

@@ -1,2 +0,0 @@
-com.example.A1=com.example.A2
-com.example.B1=com.example.B2

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/spring/org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$FromImportsFile.imports

@@ -1,2 +0,0 @@
-org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$ImportedAutoConfiguration
-org.springframework.boot.autoconfigure.missing.MissingAutoConfiguration

spring-boot-project/spring-boot-autoconfigure/src/test/resources/META-INF/spring/org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$FromImportsFileIgnoresMissingOptionalClasses.imports

@@ -1,3 +0,0 @@
-optional:org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$ImportedAutoConfiguration
-optional:org.springframework.boot.autoconfigure.missing.MissingAutoConfiguration
-org.springframework.boot.autoconfigure.ImportAutoConfigurationImportSelectorTests$AnotherImportedAutoConfiguration

spring-boot-project/spring-boot-autoconfigure/src/test/resources/application.properties

@@ -1 +0,0 @@
-foo: bucket

spring-boot-project/spring-boot-autoconfigure/src/test/resources/cache/ehcache-override.xml

@@ -1,10 +0,0 @@
-<ehcache>
-	<cache name="cacheOverrideTest1"
-	       maxBytesLocalHeap="50m"
-	       timeToLiveSeconds="100">
-	</cache>
-	<cache name="cacheOverrideTest2"
-	       maxBytesLocalHeap="50m"
-	       timeToLiveSeconds="100">
-	</cache>
-</ehcache>

spring-boot-project/spring-boot-autoconfigure/src/test/resources/city.sql

@@ -1 +0,0 @@
-INSERT INTO CITY (ID, NAME, STATE, COUNTRY, MAP) values (2000, 'Washington', 'DC', 'US', 'Google');

spring-boot-project/spring-boot-autoconfigure/src/test/resources/custom-schema-sample.ldif

@@ -1,7 +0,0 @@
-dn: dc=spring,dc=org
-objectclass: top
-objectclass: domain
-objectclass: extensibleObject
-objectClass: exampleAuxiliaryClass
-dc: spring
-exampleAttributeName: exampleAttributeName

spring-boot-project/spring-boot-autoconfigure/src/test/resources/custom-schema.ldif

@@ -1,17 +0,0 @@
-dn: cn=schema
-attributeTypes: ( 1.3.6.1.4.1.32473.1.1.1
-  NAME 'exampleAttributeName'
-  DESC 'An example attribute type definition'
-  EQUALITY caseIgnoreMatch
-  ORDERING caseIgnoreOrderingMatch
-  SUBSTR caseIgnoreSubstringsMatch
-  SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
-  SINGLE-VALUE
-  X-ORIGIN 'Managing Schema Document' )
-objectClasses: ( 1.3.6.1.4.1.32473.1.2.2
-  NAME 'exampleAuxiliaryClass'
-  DESC 'An example auxiliary object class definition'
-  SUP top
-  AUXILIARY
-  MAY exampleAttributeName
-  X-ORIGIN 'Managing Schema Document' )

spring-boot-project/spring-boot-autoconfigure/src/test/resources/custom-templates/custom.ftlh

@@ -1 +0,0 @@
-custom

spring-boot-project/spring-boot-autoconfigure/src/test/resources/custom-templates/custom.html

@@ -1 +0,0 @@
-

spring-boot-project/spring-boot-autoconfigure/src/test/resources/custom-templates/custom.tpl

@@ -1 +0,0 @@
-yield "custom"