Restore invocation of DefaultTestExecutionListenersPostProcessors

This commit partially reverts c81ebf6,
so that `DefaultTestExecutionListenersPostProcessor`s are invoked
even though deprecated.

See gh-31793

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/DefaultTestExecutionListenersPostProcessor.java

@@ -22,7 +22,10 @@
 import org.springframework.test.context.TestExecutionListener;
 
 /**
- * Since 3.0.0 this class is not used internally.
+ * Callback interface trigger from {@link SpringBootTestContextBootstrapper} that can be
+ * used to post-process the list of default {@link TestExecutionListener
+ * TestExecutionListeners} to be used by a test. Can be used to add or remove existing
+ * listeners.
  *
  * @author Phillip Webb
  * @since 1.4.1

spring-boot-project/spring-boot-test/src/main/java/org/springframework/boot/test/context/SpringBootTestContextBootstrapper.java

@@ -38,6 +38,7 @@
 import org.springframework.core.annotation.MergedAnnotations;
 import org.springframework.core.annotation.MergedAnnotations.SearchStrategy;
 import org.springframework.core.env.Environment;
+import org.springframework.core.io.support.SpringFactoriesLoader;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.ContextConfigurationAttributes;
 import org.springframework.test.context.ContextCustomizer;
@@ -47,6 +48,7 @@
 import org.springframework.test.context.TestContext;
 import org.springframework.test.context.TestContextAnnotationUtils;
 import org.springframework.test.context.TestContextBootstrapper;
+import org.springframework.test.context.TestExecutionListener;
 import org.springframework.test.context.aot.AotTestAttributes;
 import org.springframework.test.context.support.DefaultTestContextBootstrapper;
 import org.springframework.test.context.support.TestPropertySourceUtils;
@@ -120,6 +122,18 @@ else if (webEnvironment != null && webEnvironment.isEmbedded()) {
 		return context;
 	}
 
+	@Override
+	@SuppressWarnings("removal")
+	protected List<TestExecutionListener> getDefaultTestExecutionListeners() {
+		List<TestExecutionListener> listeners = new ArrayList<>(super.getDefaultTestExecutionListeners());
+		List<DefaultTestExecutionListenersPostProcessor> postProcessors = SpringFactoriesLoader
+				.loadFactories(DefaultTestExecutionListenersPostProcessor.class, getClass().getClassLoader());
+		for (DefaultTestExecutionListenersPostProcessor postProcessor : postProcessors) {
+			listeners = postProcessor.postProcessDefaultTestExecutionListeners(listeners);
+		}
+		return listeners;
+	}
+
 	@Override
 	protected ContextLoader resolveContextLoader(Class<?> testClass,
 			List<ContextConfigurationAttributes> configAttributesList) {

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/bootstrap/SpringBootTestContextBootstrapperIntegrationTests.java

@@ -45,6 +45,8 @@ class SpringBootTestContextBootstrapperIntegrationTests {
 	@Autowired
 	private SpringBootTestContextBootstrapperExampleConfig config;
 
+	boolean defaultTestExecutionListenersPostProcessorCalled = false;
+
 	@Test
 	void findConfigAutomatically() {
 		assertThat(this.config).isNotNull();
@@ -60,6 +62,11 @@ void testConfigurationWasApplied() {
 		assertThat(this.context.getBean(ExampleBean.class)).isNotNull();
 	}
 
+	@Test
+	void defaultTestExecutionListenersPostProcessorShouldBeCalled() {
+		assertThat(this.defaultTestExecutionListenersPostProcessorCalled).isTrue();
+	}
+
 	@TestConfiguration(proxyBeanMethods = false)
 	static class TestConfig {
 

spring-boot-project/spring-boot-test/src/test/java/org/springframework/boot/test/context/bootstrap/TestDefaultTestExecutionListenersPostProcessor.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2012-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * 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.test.context.bootstrap;
+
+import java.util.List;
+
+import org.springframework.boot.test.context.DefaultTestExecutionListenersPostProcessor;
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.TestExecutionListener;
+import org.springframework.test.context.support.AbstractTestExecutionListener;
+
+/**
+ * Test {@link DefaultTestExecutionListenersPostProcessor}.
+ *
+ * @author Phillip Webb
+ */
+@SuppressWarnings("removal")
+public class TestDefaultTestExecutionListenersPostProcessor implements DefaultTestExecutionListenersPostProcessor {
+
+	@Override
+	public List<TestExecutionListener> postProcessDefaultTestExecutionListeners(List<TestExecutionListener> listeners) {
+		listeners.add(new ExampleTestExecutionListener());
+		return listeners;
+	}
+
+	static class ExampleTestExecutionListener extends AbstractTestExecutionListener {
+
+		@Override
+		public void prepareTestInstance(TestContext testContext) throws Exception {
+			Object testInstance = testContext.getTestInstance();
+			if (testInstance instanceof SpringBootTestContextBootstrapperIntegrationTests test) {
+				test.defaultTestExecutionListenersPostProcessorCalled = true;
+			}
+		}
+
+	}
+
+}

spring-boot-project/spring-boot-test/src/test/resources/META-INF/spring.factories

@@ -0,0 +1,2 @@
+org.springframework.boot.test.context.DefaultTestExecutionListenersPostProcessor=\
+org.springframework.boot.test.context.bootstrap.TestDefaultTestExecutionListenersPostProcessor