Consolidate mock web server factories

Closes gh-44674

Author: wilkinsona

buildSrc/src/main/java/org/springframework/boot/build/ConventionsPlugin.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.
@@ -50,6 +50,7 @@ public void apply(Project project) {
 		new KotlinConventions().apply(project);
 		new WarConventions().apply(project);
 		new EclipseConventions().apply(project);
+		new TestFixturesConventions().apply(project);
 		RepositoryTransformersExtension.apply(project);
 	}
 

buildSrc/src/main/java/org/springframework/boot/build/TestFixturesConventions.java

@@ -0,0 +1,50 @@
+/*
+ * 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.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.build;
+
+import org.gradle.api.Project;
+import org.gradle.api.artifacts.ConfigurationContainer;
+import org.gradle.api.component.AdhocComponentWithVariants;
+import org.gradle.api.plugins.JavaTestFixturesPlugin;
+
+/**
+ * Conventions that are applied in the presence of the {@link JavaTestFixturesPlugin}.
+ * When the plugin is applied:
+ *
+ * <ul>
+ * <li>Publishing of the test fixtures is disabled.
+ * </ul>
+ *
+ * @author Andy Wilkinson
+ */
+class TestFixturesConventions {
+
+	void apply(Project project) {
+		project.getPlugins().withType(JavaTestFixturesPlugin.class, (testFixtures) -> disablePublishing(project));
+	}
+
+	private void disablePublishing(Project project) {
+		ConfigurationContainer configurations = project.getConfigurations();
+		AdhocComponentWithVariants javaComponent = (AdhocComponentWithVariants) project.getComponents()
+			.getByName("java");
+		javaComponent.withVariantsFromConfiguration(configurations.getByName("testFixturesApiElements"),
+				(variant) -> variant.skip());
+		javaComponent.withVariantsFromConfiguration(configurations.getByName("testFixturesRuntimeElements"),
+				(variant) -> variant.skip());
+	}
+
+}

spring-boot-project/spring-boot-actuator-autoconfigure/build.gradle

@@ -135,6 +135,7 @@ dependencies {
 
 	testImplementation(project(":spring-boot-project:spring-boot-test"))
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
+	testImplementation(testFixtures(project(":spring-boot-project:spring-boot")))
 	testImplementation("io.micrometer:micrometer-observation-test")
 	testImplementation("io.projectreactor:reactor-test")
 	testImplementation("io.prometheus:prometheus-metrics-exposition-formats")

spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/web/servlet/MockServletWebServerFactory.java

@@ -24,6 +24,7 @@ dependencies {
 
 	dockerTestImplementation(project(":spring-boot-project:spring-boot-test"))
 	dockerTestImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support-docker"))
+	dockerTestImplementation(testFixtures(project(":spring-boot-project:spring-boot")))
 	dockerTestImplementation("org.assertj:assertj-core")
 	dockerTestImplementation("org.junit.jupiter:junit-jupiter")
 	dockerTestImplementation("org.mockito:mockito-core")
@@ -230,6 +231,7 @@ dependencies {
 
 	testImplementation(project(":spring-boot-project:spring-boot-tools:spring-boot-test-support"))
 	testImplementation(project(":spring-boot-project:spring-boot-test"))
+	testImplementation(testFixtures(project(":spring-boot-project:spring-boot")))
 	testImplementation("ch.qos.logback:logback-classic")
 	testImplementation("commons-fileupload:commons-fileupload")
 	testImplementation("com.github.h-thurow:simple-jndi")

spring-boot-project/spring-boot-autoconfigure/build.gradle

@@ -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.
@@ -19,10 +19,10 @@
 import org.junit.jupiter.api.Test;
 import reactor.core.publisher.Mono;
 
-import org.springframework.boot.autoconfigure.web.reactive.MockReactiveWebServerFactory;
 import org.springframework.boot.test.context.runner.ApplicationContextRunner;
 import org.springframework.boot.test.context.runner.ReactiveWebApplicationContextRunner;
 import org.springframework.boot.test.context.runner.WebApplicationContextRunner;
+import org.springframework.boot.web.reactive.server.MockReactiveWebServerFactory;
 import org.springframework.boot.web.reactive.server.ReactiveWebServerFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnNotWebApplicationTests.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.
@@ -21,8 +21,8 @@
 import reactor.core.publisher.Mono;
 
 import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
-import org.springframework.boot.autoconfigure.web.reactive.MockReactiveWebServerFactory;
 import org.springframework.boot.web.reactive.context.AnnotationConfigReactiveWebApplicationContext;
+import org.springframework.boot.web.reactive.server.MockReactiveWebServerFactory;
 import org.springframework.boot.web.reactive.server.ReactiveWebServerFactory;
 import org.springframework.boot.web.servlet.context.AnnotationConfigServletWebApplicationContext;
 import org.springframework.context.ConfigurableApplicationContext;

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 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.
@@ -19,11 +19,11 @@
 import java.util.Collections;
 import java.util.function.Consumer;
 
-import org.springframework.boot.autoconfigure.web.reactive.MockReactiveWebServerFactory;
 import org.springframework.boot.test.context.assertj.AssertableReactiveWebApplicationContext;
 import org.springframework.boot.test.context.assertj.AssertableWebApplicationContext;
 import org.springframework.boot.test.context.runner.ContextConsumer;
 import org.springframework.boot.web.reactive.context.ReactiveWebApplicationContext;
+import org.springframework.boot.web.reactive.server.MockReactiveWebServerFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.mock.http.server.reactive.MockServerHttpRequest;

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/session/AbstractSessionAutoConfigurationTests.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.
@@ -45,6 +45,7 @@
 import org.springframework.boot.web.reactive.context.AnnotationConfigReactiveWebApplicationContext;
 import org.springframework.boot.web.reactive.context.AnnotationConfigReactiveWebServerApplicationContext;
 import org.springframework.boot.web.reactive.server.ConfigurableReactiveWebServerFactory;
+import org.springframework.boot.web.reactive.server.MockReactiveWebServerFactory;
 import org.springframework.boot.web.reactive.server.ReactiveWebServerFactory;
 import org.springframework.boot.web.server.WebServerFactoryCustomizer;
 import org.springframework.context.ApplicationContextException;