Do not proxy test instances based on "original instance" convention

Issue: SPR-17137

spring-aop/src/main/java/org/springframework/aop/framework/autoproxy/AbstractAutoProxyCreator.java

@@ -385,14 +385,17 @@ public abstract class AbstractAutoProxyCreator extends ProxyProcessorSupport
 	/**
 	 * Subclasses should override this method to return {@code true} if the
 	 * given bean should not be considered for auto-proxying by this post-processor.
-	 * <p>Sometimes we need to be able to avoid this happening if it will lead to
-	 * a circular reference. This implementation returns {@code false}.
+	 * <p>Sometimes we need to be able to avoid this happening, e.g. if it will lead to
+	 * a circular reference or if the existing target instance needs to be preserved.
+	 * This implementation returns {@code false} unless the bean name indicates an
+	 * "original instance" according to {@code AutowireCapableBeanFactory} conventions.
 	 * @param beanClass the class of the bean
 	 * @param beanName the name of the bean
 	 * @return whether to skip the given bean
+	 * @see org.springframework.beans.factory.config.AutowireCapableBeanFactory#ORIGINAL_INSTANCE_SUFFIX
 	 */
 	protected boolean shouldSkip(Class<?> beanClass, String beanName) {
-		return false;
+		return AutoProxyUtils.isOriginalInstance(beanName, beanClass);
 	}
 
 	/**

spring-aop/src/main/java/org/springframework/aop/framework/autoproxy/AbstractBeanFactoryAwareAdvisingPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -64,4 +64,10 @@ public abstract class AbstractBeanFactoryAwareAdvisingPostProcessor extends Abst
 		return proxyFactory;
 	}
 
+	@Override
+	protected boolean isEligible(Object bean, String beanName) {
+		return (!AutoProxyUtils.isOriginalInstance(beanName, bean.getClass()) &&
+				super.isEligible(bean, beanName));
+	}
+
 }

spring-aop/src/main/java/org/springframework/aop/framework/autoproxy/AutoProxyUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -16,10 +16,12 @@
 
 package org.springframework.aop.framework.autoproxy;
 
+import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
 import org.springframework.core.Conventions;
 import org.springframework.lang.Nullable;
+import org.springframework.util.StringUtils;
 
 /**
  * Utilities for auto-proxy aware components.
@@ -63,7 +65,9 @@ public abstract class AutoProxyUtils {
 	 * @param beanName the name of the bean
 	 * @return whether the given bean should be proxied with its target class
 	 */
-	public static boolean shouldProxyTargetClass(ConfigurableListableBeanFactory beanFactory, @Nullable String beanName) {
+	public static boolean shouldProxyTargetClass(
+			ConfigurableListableBeanFactory beanFactory, @Nullable String beanName) {
+
 		if (beanName != null && beanFactory.containsBeanDefinition(beanName)) {
 			BeanDefinition bd = beanFactory.getBeanDefinition(beanName);
 			return Boolean.TRUE.equals(bd.getAttribute(PRESERVE_TARGET_CLASS_ATTRIBUTE));
@@ -81,7 +85,9 @@ public abstract class AutoProxyUtils {
 	 * @see org.springframework.beans.factory.BeanFactory#getType(String)
 	 */
 	@Nullable
-	public static Class<?> determineTargetClass(ConfigurableListableBeanFactory beanFactory, @Nullable String beanName) {
+	public static Class<?> determineTargetClass(
+			ConfigurableListableBeanFactory beanFactory, @Nullable String beanName) {
+
 		if (beanName == null) {
 			return null;
 		}
@@ -102,12 +108,30 @@ public abstract class AutoProxyUtils {
 	 * @param targetClass the corresponding target class
 	 * @since 4.2.3
 	 */
-	static void exposeTargetClass(ConfigurableListableBeanFactory beanFactory, @Nullable String beanName,
-			Class<?> targetClass) {
+	static void exposeTargetClass(
+			ConfigurableListableBeanFactory beanFactory, @Nullable String beanName, Class<?> targetClass) {
 
 		if (beanName != null && beanFactory.containsBeanDefinition(beanName)) {
 			beanFactory.getMergedBeanDefinition(beanName).setAttribute(ORIGINAL_TARGET_CLASS_ATTRIBUTE, targetClass);
 		}
 	}
 
+	/**
+	 * Determine whether the given bean name indicates an "original instance"
+	 * according to {@link AutowireCapableBeanFactory#ORIGINAL_INSTANCE_SUFFIX},
+	 * skipping any proxy attempts for it.
+	 * @param beanName the name of the bean
+	 * @param beanClass the corresponding bean class
+	 * @since 5.1
+	 * @see AutowireCapableBeanFactory#ORIGINAL_INSTANCE_SUFFIX
+	 */
+	static boolean isOriginalInstance(String beanName, Class<?> beanClass) {
+		if (!StringUtils.hasLength(beanName) || beanName.length() !=
+				beanClass.getName().length() + AutowireCapableBeanFactory.ORIGINAL_INSTANCE_SUFFIX.length()) {
+			return false;
+		}
+		return (beanName.startsWith(beanClass.getName()) &&
+				beanName.endsWith(AutowireCapableBeanFactory.ORIGINAL_INSTANCE_SUFFIX));
+	}
+
 }

spring-beans/src/main/java/org/springframework/beans/factory/config/AutowireCapableBeanFactory.java

@@ -107,6 +107,18 @@ public interface AutowireCapableBeanFactory extends BeanFactory {
 	@Deprecated
 	int AUTOWIRE_AUTODETECT = 4;
 
+	/**
+	 * Suffix for the "original instance" convention when initializing an existing
+	 * bean instance: to be appended to the fully-qualified bean class name,
+	 * e.g. "com.mypackage.MyClass.ORIGINAL", in order to enforce the given instance
+	 * to be returned, i.e. no proxies etc.
+	 * @since 5.1
+	 * @see #initializeBean(Object, String)
+	 * @see #applyBeanPostProcessorsBeforeInitialization(Object, String)
+	 * @see #applyBeanPostProcessorsAfterInitialization(Object, String)
+	 */
+	String ORIGINAL_INSTANCE_SUFFIX = ".ORIGINAL";
+
 
 	//-------------------------------------------------------------------------
 	// Typical methods for creating and populating external bean instances
@@ -264,9 +276,12 @@ public interface AutowireCapableBeanFactory extends BeanFactory {
 	 * for callbacks but not checked against the registered bean definitions.
 	 * @param existingBean the existing bean instance
 	 * @param beanName the name of the bean, to be passed to it if necessary
-	 * (only passed to {@link BeanPostProcessor BeanPostProcessors})
+	 * (only passed to {@link BeanPostProcessor BeanPostProcessors};
+	 * can follow the {@link #ORIGINAL_INSTANCE_SUFFIX} convention in order to
+	 * enforce the given instance to be returned, i.e. no proxies etc)
 	 * @return the bean instance to use, either the original or a wrapped one
 	 * @throws BeansException if the initialization failed
+	 * @see #ORIGINAL_INSTANCE_SUFFIX
 	 */
 	Object initializeBean(Object existingBean, String beanName) throws BeansException;
 
@@ -275,10 +290,13 @@ public interface AutowireCapableBeanFactory extends BeanFactory {
 	 * instance, invoking their {@code postProcessBeforeInitialization} methods.
 	 * The returned bean instance may be a wrapper around the original.
 	 * @param existingBean the new bean instance
-	 * @param beanName the name of the bean
+	 * (only passed to {@link BeanPostProcessor BeanPostProcessors};
+	 * can follow the {@link #ORIGINAL_INSTANCE_SUFFIX} convention in order to
+	 * enforce the given instance to be returned, i.e. no proxies etc)
 	 * @return the bean instance to use, either the original or a wrapped one
 	 * @throws BeansException if any post-processing failed
 	 * @see BeanPostProcessor#postProcessBeforeInitialization
+	 * @see #ORIGINAL_INSTANCE_SUFFIX
 	 */
 	Object applyBeanPostProcessorsBeforeInitialization(Object existingBean, String beanName)
 			throws BeansException;
@@ -288,10 +306,13 @@ public interface AutowireCapableBeanFactory extends BeanFactory {
 	 * instance, invoking their {@code postProcessAfterInitialization} methods.
 	 * The returned bean instance may be a wrapper around the original.
 	 * @param existingBean the new bean instance
-	 * @param beanName the name of the bean
+	 * (only passed to {@link BeanPostProcessor BeanPostProcessors};
+	 * can follow the {@link #ORIGINAL_INSTANCE_SUFFIX} convention in order to
+	 * enforce the given instance to be returned, i.e. no proxies etc)
 	 * @return the bean instance to use, either the original or a wrapped one
 	 * @throws BeansException if any post-processing failed
 	 * @see BeanPostProcessor#postProcessAfterInitialization
+	 * @see #ORIGINAL_INSTANCE_SUFFIX
 	 */
 	Object applyBeanPostProcessorsAfterInitialization(Object existingBean, String beanName)
 			throws BeansException;

spring-test/src/main/java/org/springframework/test/context/support/DependencyInjectionTestExecutionListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -49,7 +49,7 @@ public class DependencyInjectionTestExecutionListener extends AbstractTestExecut
 	 * <p>Permissible values include {@link Boolean#TRUE} and {@link Boolean#FALSE}.
 	 */
 	public static final String REINJECT_DEPENDENCIES_ATTRIBUTE = Conventions.getQualifiedAttributeName(
-		DependencyInjectionTestExecutionListener.class, "reinjectDependencies");
+			DependencyInjectionTestExecutionListener.class, "reinjectDependencies");
 
 	private static final Log logger = LogFactory.getLog(DependencyInjectionTestExecutionListener.class);
 
@@ -76,7 +76,7 @@ public class DependencyInjectionTestExecutionListener extends AbstractTestExecut
 	 * from the test context, regardless of its value.
 	 */
 	@Override
-	public void prepareTestInstance(final TestContext testContext) throws Exception {
+	public void prepareTestInstance(TestContext testContext) throws Exception {
 		if (logger.isDebugEnabled()) {
 			logger.debug("Performing dependency injection for test context [" + testContext + "].");
 		}
@@ -91,7 +91,7 @@ public class DependencyInjectionTestExecutionListener extends AbstractTestExecut
 	 * otherwise, this method will have no effect.
 	 */
 	@Override
-	public void beforeTestMethod(final TestContext testContext) throws Exception {
+	public void beforeTestMethod(TestContext testContext) throws Exception {
 		if (Boolean.TRUE.equals(testContext.getAttribute(REINJECT_DEPENDENCIES_ATTRIBUTE))) {
 			if (logger.isDebugEnabled()) {
 				logger.debug("Reinjecting dependencies for test context [" + testContext + "].");
@@ -112,11 +112,12 @@ public class DependencyInjectionTestExecutionListener extends AbstractTestExecut
 	 * @see #prepareTestInstance(TestContext)
 	 * @see #beforeTestMethod(TestContext)
 	 */
-	protected void injectDependencies(final TestContext testContext) throws Exception {
+	protected void injectDependencies(TestContext testContext) throws Exception {
 		Object bean = testContext.getTestInstance();
+		Class<?> clazz = testContext.getTestClass();
 		AutowireCapableBeanFactory beanFactory = testContext.getApplicationContext().getAutowireCapableBeanFactory();
 		beanFactory.autowireBeanProperties(bean, AutowireCapableBeanFactory.AUTOWIRE_NO, false);
-		beanFactory.initializeBean(bean, testContext.getTestClass().getName());
+		beanFactory.initializeBean(bean, clazz.getName() + AutowireCapableBeanFactory.ORIGINAL_INSTANCE_SUFFIX);
 		testContext.removeAttribute(REINJECT_DEPENDENCIES_ATTRIBUTE);
 	}
 

spring-test/src/test/java/org/springframework/test/context/groovy/GroovySpringContextTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -43,13 +43,6 @@ import static org.junit.Assert.*;
 @ContextConfiguration("context.groovy")
 public class GroovySpringContextTests implements BeanNameAware, InitializingBean {
 
-	private boolean beanInitialized = false;
-
-	private String beanName = "replace me with [" + getClass().getName() + "]";
-
-	@Autowired
-	private ApplicationContext applicationContext;
-
 	private Employee employee;
 
 	@Autowired
@@ -63,41 +56,49 @@ public class GroovySpringContextTests implements BeanNameAware, InitializingBean
 
 	protected String bar;
 
+	@Autowired
+	private ApplicationContext applicationContext;
+
+	private String beanName;
+
+	private boolean beanInitialized = false;
+
 
 	@Autowired
-	protected final void setEmployee(final Employee employee) {
+	protected void setEmployee(Employee employee) {
 		this.employee = employee;
 	}
 
 	@Resource
-	protected final void setBar(final String bar) {
+	protected void setBar(String bar) {
 		this.bar = bar;
 	}
 
 	@Override
-	public final void setBeanName(final String beanName) {
+	public void setBeanName(String beanName) {
 		this.beanName = beanName;
 	}
 
 	@Override
-	public final void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		this.beanInitialized = true;
 	}
 
+
 	@Test
-	public final void verifyBeanInitialized() {
-		assertTrue("This test bean should have been initialized due to InitializingBean semantics.",
-			this.beanInitialized);
+	public void verifyBeanNameSet() {
+		assertTrue("The bean name of this test instance should have been set to the fully qualified class name " +
+				"due to BeanNameAware semantics.", this.beanName.startsWith(getClass().getName()));
 	}
 
 	@Test
-	public final void verifyBeanNameSet() {
-		assertEquals("The bean name of this test instance should have been set to the fully qualified class name "
-				+ "due to BeanNameAware semantics.", getClass().getName(), this.beanName);
+	public void verifyBeanInitialized() {
+		assertTrue("This test bean should have been initialized due to InitializingBean semantics.",
+				this.beanInitialized);
 	}
 
 	@Test
-	public final void verifyAnnotationAutowiredFields() {
+	public void verifyAnnotationAutowiredFields() {
 		assertNull("The nonrequiredLong property should NOT have been autowired.", this.nonrequiredLong);
 		assertNotNull("The application context should have been autowired.", this.applicationContext);
 		assertNotNull("The pet field should have been autowired.", this.pet);
@@ -105,18 +106,18 @@ public class GroovySpringContextTests implements BeanNameAware, InitializingBean
 	}
 
 	@Test
-	public final void verifyAnnotationAutowiredMethods() {
+	public void verifyAnnotationAutowiredMethods() {
 		assertNotNull("The employee setter method should have been autowired.", this.employee);
 		assertEquals("Dilbert", this.employee.getName());
 	}
 
 	@Test
-	public final void verifyResourceAnnotationWiredFields() {
+	public void verifyResourceAnnotationWiredFields() {
 		assertEquals("The foo field should have been wired via @Resource.", "Foo", this.foo);
 	}
 
 	@Test
-	public final void verifyResourceAnnotationWiredMethods() {
+	public void verifyResourceAnnotationWiredMethods() {
 		assertEquals("The bar method should have been wired via @Resource.", "Bar", this.bar);
 	}
 

spring-test/src/test/java/org/springframework/test/context/junit4/ConcreteTransactionalJUnit4SpringContextTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2015 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -51,10 +51,6 @@ public class ConcreteTransactionalJUnit4SpringContextTests extends AbstractTrans
 	private static final String SUE = "sue";
 	private static final String YODA = "yoda";
 
-	private boolean beanInitialized = false;
-
-	private String beanName = "replace me with [" + getClass().getName() + "]";
-
 	private Employee employee;
 
 	@Autowired
@@ -68,54 +64,86 @@ public class ConcreteTransactionalJUnit4SpringContextTests extends AbstractTrans
 
 	private String bar;
 
+	private String beanName;
+
+	private boolean beanInitialized = false;
+
 
 	@Autowired
-	private final void setEmployee(final Employee employee) {
+	private void setEmployee(Employee employee) {
 		this.employee = employee;
 	}
 
 	@Resource
-	private final void setBar(final String bar) {
+	private void setBar(String bar) {
 		this.bar = bar;
 	}
 
 	@Override
-	public final void setBeanName(final String beanName) {
+	public void setBeanName(String beanName) {
 		this.beanName = beanName;
 	}
 
 	@Override
-	public final void afterPropertiesSet() throws Exception {
+	public void afterPropertiesSet() {
 		this.beanInitialized = true;
 	}
 
+
+	@Before
+	public void setUp() {
+		assertEquals("Verifying the number of rows in the person table before a test method.",
+				(inTransaction() ? 2 : 1), countRowsInPersonTable());
+	}
+
+	@After
+	public void tearDown() {
+		assertEquals("Verifying the number of rows in the person table after a test method.",
+				(inTransaction() ? 4 : 1), countRowsInPersonTable());
+	}
+
+	@BeforeTransaction
+	public void beforeTransaction() {
+		assertEquals("Verifying the number of rows in the person table before a transactional test method.",
+				1, countRowsInPersonTable());
+		assertEquals("Adding yoda", 1, addPerson(YODA));
+	}
+
+	@AfterTransaction
+	public void afterTransaction() {
+		assertEquals("Deleting yoda", 1, deletePerson(YODA));
+		assertEquals("Verifying the number of rows in the person table after a transactional test method.",
+				1, countRowsInPersonTable());
+	}
+
+
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyApplicationContext() {
+	public void verifyBeanNameSet() {
 		assertInTransaction(false);
-		assertNotNull("The application context should have been set due to ApplicationContextAware semantics.",
-				super.applicationContext);
+		assertTrue("The bean name of this test instance should have been set to the fully qualified class name " +
+				"due to BeanNameAware semantics.", this.beanName.startsWith(getClass().getName()));
 	}
 
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyBeanInitialized() {
+	public void verifyApplicationContext() {
 		assertInTransaction(false);
-		assertTrue("This test bean should have been initialized due to InitializingBean semantics.",
-				this.beanInitialized);
+		assertNotNull("The application context should have been set due to ApplicationContextAware semantics.",
+				super.applicationContext);
 	}
 
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyBeanNameSet() {
+	public void verifyBeanInitialized() {
 		assertInTransaction(false);
-		assertEquals("The bean name of this test instance should have been set to the fully qualified class name "
-				+ "due to BeanNameAware semantics.", getClass().getName(), this.beanName);
+		assertTrue("This test bean should have been initialized due to InitializingBean semantics.",
+				this.beanInitialized);
 	}
 
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyAnnotationAutowiredFields() {
+	public void verifyAnnotationAutowiredFields() {
 		assertInTransaction(false);
 		assertNull("The nonrequiredLong property should NOT have been autowired.", this.nonrequiredLong);
 		assertNotNull("The pet field should have been autowired.", this.pet);
@@ -124,7 +152,7 @@ public class ConcreteTransactionalJUnit4SpringContextTests extends AbstractTrans
 
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyAnnotationAutowiredMethods() {
+	public void verifyAnnotationAutowiredMethods() {
 		assertInTransaction(false);
 		assertNotNull("The employee setter method should have been autowired.", this.employee);
 		assertEquals("John Smith", this.employee.getName());
@@ -132,58 +160,33 @@ public class ConcreteTransactionalJUnit4SpringContextTests extends AbstractTrans
 
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyResourceAnnotationWiredFields() {
+	public void verifyResourceAnnotationWiredFields() {
 		assertInTransaction(false);
 		assertEquals("The foo field should have been wired via @Resource.", "Foo", this.foo);
 	}
 
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	public final void verifyResourceAnnotationWiredMethods() {
+	public void verifyResourceAnnotationWiredMethods() {
 		assertInTransaction(false);
 		assertEquals("The bar method should have been wired via @Resource.", "Bar", this.bar);
 	}
 
-	@BeforeTransaction
-	public void beforeTransaction() {
-		assertEquals("Verifying the number of rows in the person table before a transactional test method.", 1,
-			countRowsInPersonTable());
-		assertEquals("Adding yoda", 1, addPerson(YODA));
-	}
-
-	@Before
-	public void setUp() throws Exception {
-		assertEquals("Verifying the number of rows in the person table before a test method.",
-			(inTransaction() ? 2 : 1), countRowsInPersonTable());
-	}
-
 	@Test
 	public void modifyTestDataWithinTransaction() {
 		assertInTransaction(true);
 		assertEquals("Adding jane", 1, addPerson(JANE));
 		assertEquals("Adding sue", 1, addPerson(SUE));
-		assertEquals("Verifying the number of rows in the person table in modifyTestDataWithinTransaction().", 4,
-			countRowsInPersonTable());
-	}
-
-	@After
-	public void tearDown() throws Exception {
-		assertEquals("Verifying the number of rows in the person table after a test method.",
-			(inTransaction() ? 4 : 1), countRowsInPersonTable());
+		assertEquals("Verifying the number of rows in the person table in modifyTestDataWithinTransaction().",
+				4, countRowsInPersonTable());
 	}
 
-	@AfterTransaction
-	public void afterTransaction() {
-		assertEquals("Deleting yoda", 1, deletePerson(YODA));
-		assertEquals("Verifying the number of rows in the person table after a transactional test method.", 1,
-			countRowsInPersonTable());
-	}
 
-	private int addPerson(final String name) {
+	private int addPerson(String name) {
 		return super.jdbcTemplate.update("INSERT INTO person VALUES(?)", name);
 	}
 
-	private int deletePerson(final String name) {
+	private int deletePerson(String name) {
 		return super.jdbcTemplate.update("DELETE FROM person WHERE name=?", name);
 	}
 

spring-test/src/test/java/org/springframework/test/context/junit4/SpringJUnit4ClassRunnerAppCtxTests.java

@@ -23,7 +23,6 @@ import javax.inject.Named;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanNameAware;
 import org.springframework.beans.factory.InitializingBean;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -82,13 +81,9 @@ public class SpringJUnit4ClassRunnerAppCtxTests implements ApplicationContextAwa
 	 * Default resource path for the application context configuration for
 	 * {@link SpringJUnit4ClassRunnerAppCtxTests}: {@value #DEFAULT_CONTEXT_RESOURCE_PATH}
 	 */
-	public static final String DEFAULT_CONTEXT_RESOURCE_PATH = "/org/springframework/test/context/junit4/SpringJUnit4ClassRunnerAppCtxTests-context.xml";
+	public static final String DEFAULT_CONTEXT_RESOURCE_PATH =
+			"/org/springframework/test/context/junit4/SpringJUnit4ClassRunnerAppCtxTests-context.xml";
 
-	private ApplicationContext applicationContext;
-
-	private boolean beanInitialized = false;
-
-	private String beanName = "replace me with [" + getClass().getName() + "]";
 
 	private Employee employee;
 
@@ -124,31 +119,20 @@ public class SpringJUnit4ClassRunnerAppCtxTests implements ApplicationContextAwa
 	@Named("quux")
 	protected String namedQuux;
 
+	private String beanName;
 
-	// ------------------------------------------------------------------------|
-
-	@Override
-	public final void afterPropertiesSet() throws Exception {
-		this.beanInitialized = true;
-	}
+	private ApplicationContext applicationContext;
 
-	@Override
-	public final void setApplicationContext(final ApplicationContext applicationContext) throws BeansException {
-		this.applicationContext = applicationContext;
-	}
+	private boolean beanInitialized = false;
 
-	@Override
-	public final void setBeanName(final String beanName) {
-		this.beanName = beanName;
-	}
 
 	@Autowired
-	protected final void setEmployee(final Employee employee) {
+	protected void setEmployee(Employee employee) {
 		this.employee = employee;
 	}
 
 	@Resource
-	protected final void setBar(final String bar) {
+	protected void setBar(String bar) {
 		this.bar = bar;
 	}
 
@@ -162,33 +146,46 @@ public class SpringJUnit4ClassRunnerAppCtxTests implements ApplicationContextAwa
 		this.spelParameterValue = spelParameterValue;
 	}
 
-	// ------------------------------------------------------------------------|
+	@Override
+	public void setBeanName(String beanName) {
+		this.beanName = beanName;
+	}
+
+	@Override
+	public void setApplicationContext(ApplicationContext applicationContext) {
+		this.applicationContext = applicationContext;
+	}
+
+	@Override
+	public void afterPropertiesSet() {
+		this.beanInitialized = true;
+	}
+
 
 	@Test
-	public final void verifyApplicationContextSet() {
-		assertNotNull("The application context should have been set due to ApplicationContextAware semantics.",
-			this.applicationContext);
+	public void verifyBeanNameSet() {
+		assertTrue("The bean name of this test instance should have been set due to BeanNameAware semantics.",
+				this.beanName.startsWith(getClass().getName()));
 	}
 
 	@Test
-	public final void verifyBeanInitialized() {
-		assertTrue("This test bean should have been initialized due to InitializingBean semantics.",
-			this.beanInitialized);
+	public void verifyApplicationContextSet() {
+		assertNotNull("The application context should have been set due to ApplicationContextAware semantics.",
+				this.applicationContext);
 	}
 
 	@Test
-	public final void verifyBeanNameSet() {
-		assertEquals("The bean name of this test instance should have been set due to BeanNameAware semantics.",
-			getClass().getName(), this.beanName);
+	public void verifyBeanInitialized() {
+		assertTrue("This test bean should have been initialized due to InitializingBean semantics.",
+				this.beanInitialized);
 	}
 
 	@Test
-	public final void verifyAnnotationAutowiredAndInjectedFields() {
+	public void verifyAnnotationAutowiredAndInjectedFields() {
 		assertNull("The nonrequiredLong field should NOT have been autowired.", this.nonrequiredLong);
 		assertEquals("The quux field should have been autowired via @Autowired and @Qualifier.", "Quux", this.quux);
 		assertEquals("The namedFoo field should have been injected via @Inject and @Named.", "Quux", this.namedQuux);
-		assertSame("@Autowired/@Qualifier and @Inject/@Named quux should be the same object.", this.quux,
-			this.namedQuux);
+		assertSame("@Autowired/@Qualifier and @Inject/@Named quux should be the same object.", this.quux, this.namedQuux);
 
 		assertNotNull("The pet field should have been autowired.", this.autowiredPet);
 		assertNotNull("The pet field should have been injected.", this.injectedPet);
@@ -198,13 +195,13 @@ public class SpringJUnit4ClassRunnerAppCtxTests implements ApplicationContextAwa
 	}
 
 	@Test
-	public final void verifyAnnotationAutowiredMethods() {
+	public void verifyAnnotationAutowiredMethods() {
 		assertNotNull("The employee setter method should have been autowired.", this.employee);
 		assertEquals("John Smith", this.employee.getName());
 	}
 
 	@Test
-	public final void verifyAutowiredAtValueFields() {
+	public void verifyAutowiredAtValueFields() {
 		assertNotNull("Literal @Value field should have been autowired", this.literalFieldValue);
 		assertNotNull("SpEL @Value field should have been autowired.", this.spelFieldValue);
 		assertEquals("enigma", this.literalFieldValue);
@@ -212,7 +209,7 @@ public class SpringJUnit4ClassRunnerAppCtxTests implements ApplicationContextAwa
 	}
 
 	@Test
-	public final void verifyAutowiredAtValueMethods() {
+	public void verifyAutowiredAtValueMethods() {
 		assertNotNull("Literal @Value method parameter should have been autowired.", this.literalParameterValue);
 		assertNotNull("SpEL @Value method parameter should have been autowired.", this.spelParameterValue);
 		assertEquals("enigma", this.literalParameterValue);
@@ -220,12 +217,12 @@ public class SpringJUnit4ClassRunnerAppCtxTests implements ApplicationContextAwa
 	}
 
 	@Test
-	public final void verifyResourceAnnotationInjectedFields() {
+	public void verifyResourceAnnotationInjectedFields() {
 		assertEquals("The foo field should have been injected via @Resource.", "Foo", this.foo);
 	}
 
 	@Test
-	public final void verifyResourceAnnotationInjectedMethods() {
+	public void verifyResourceAnnotationInjectedMethods() {
 		assertEquals("The bar method should have been wired via @Resource.", "Bar", this.bar);
 	}
 

spring-test/src/test/java/org/springframework/test/context/testng/ConcreteTransactionalTestNGSpringContextTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -61,9 +61,6 @@ public class ConcreteTransactionalTestNGSpringContextTests extends AbstractTrans
 	private static int numTearDownCalls = 0;
 	private static int numTearDownCallsInTransaction = 0;
 
-	private boolean beanInitialized = false;
-
-	private String beanName = "replace me with [" + getClass().getName() + "]";
 
 	private Employee employee;
 
@@ -71,51 +68,39 @@ public class ConcreteTransactionalTestNGSpringContextTests extends AbstractTrans
 	private Pet pet;
 
 	@Autowired(required = false)
-	protected Long nonrequiredLong;
+	private Long nonrequiredLong;
 
-	@Resource()
-	protected String foo;
-
-	protected String bar;
+	@Resource
+	private String foo;
 
+	private String bar;
 
-	private int createPerson(String name) {
-		return jdbcTemplate.update("INSERT INTO person VALUES(?)", name);
-	}
+	private String beanName;
 
-	private int deletePerson(String name) {
-		return jdbcTemplate.update("DELETE FROM person WHERE name=?", name);
-	}
-
-	@Override
-	public void afterPropertiesSet() throws Exception {
-		this.beanInitialized = true;
-	}
+	private boolean beanInitialized = false;
 
-	@Override
-	public void setBeanName(String beanName) {
-		this.beanName = beanName;
-	}
 
 	@Autowired
-	protected void setEmployee(Employee employee) {
+	private void setEmployee(Employee employee) {
 		this.employee = employee;
 	}
 
 	@Resource
-	protected void setBar(String bar) {
+	private void setBar(String bar) {
 		this.bar = bar;
 	}
 
-	private void assertNumRowsInPersonTable(int expectedNumRows, String testState) {
-		assertEquals(countRowsInTable("person"), expectedNumRows, "the number of rows in the person table ("
-				+ testState + ").");
+	@Override
+	public void setBeanName(String beanName) {
+		this.beanName = beanName;
 	}
 
-	private void assertAddPerson(final String name) {
-		assertEquals(createPerson(name), 1, "Adding '" + name + "'");
+	@Override
+	public void afterPropertiesSet() {
+		this.beanInitialized = true;
 	}
 
+
 	@BeforeClass
 	void beforeClass() {
 		numSetUpCalls = 0;
@@ -132,12 +117,51 @@ public class ConcreteTransactionalTestNGSpringContextTests extends AbstractTrans
 		assertEquals(numTearDownCallsInTransaction, NUM_TX_TESTS, "number of calls to tearDown() within a transaction.");
 	}
 
+	@BeforeMethod
+	void setUp() {
+		numSetUpCalls++;
+		if (inTransaction()) {
+			numSetUpCallsInTransaction++;
+		}
+		assertNumRowsInPersonTable((inTransaction() ? 2 : 1), "before a test method");
+	}
+
+	@AfterMethod
+	void tearDown() {
+		numTearDownCalls++;
+		if (inTransaction()) {
+			numTearDownCallsInTransaction++;
+		}
+		assertNumRowsInPersonTable((inTransaction() ? 4 : 1), "after a test method");
+	}
+
+	@BeforeTransaction
+	void beforeTransaction() {
+		assertNumRowsInPersonTable(1, "before a transactional test method");
+		assertAddPerson(YODA);
+	}
+
+	@AfterTransaction
+	void afterTransaction() {
+		assertEquals(deletePerson(YODA), 1, "Deleting yoda");
+		assertNumRowsInPersonTable(1, "after a transactional test method");
+	}
+
+
+	@Test
+	@Transactional(propagation = Propagation.NOT_SUPPORTED)
+	void verifyBeanNameSet() {
+		assertInTransaction(false);
+		assertTrue(this.beanName.startsWith(getClass().getName()), "The bean name of this test instance " +
+				"should have been set to the fully qualified class name due to BeanNameAware semantics.");
+	}
+
 	@Test
 	@Transactional(propagation = Propagation.NOT_SUPPORTED)
 	void verifyApplicationContextSet() {
 		assertInTransaction(false);
 		assertNotNull(super.applicationContext,
-			"The application context should have been set due to ApplicationContextAware semantics.");
+				"The application context should have been set due to ApplicationContextAware semantics.");
 		Employee employeeBean = (Employee) super.applicationContext.getBean("employee");
 		assertEquals(employeeBean.getName(), "John Smith", "employee's name.");
 	}
@@ -147,15 +171,7 @@ public class ConcreteTransactionalTestNGSpringContextTests extends AbstractTrans
 	void verifyBeanInitialized() {
 		assertInTransaction(false);
 		assertTrue(beanInitialized,
-			"This test instance should have been initialized due to InitializingBean semantics.");
-	}
-
-	@Test
-	@Transactional(propagation = Propagation.NOT_SUPPORTED)
-	void verifyBeanNameSet() {
-		assertInTransaction(false);
-		assertEquals(beanName, getClass().getName(),
-			"The bean name of this test instance should have been set due to BeanNameAware semantics.");
+				"This test instance should have been initialized due to InitializingBean semantics.");
 	}
 
 	@Test
@@ -189,21 +205,6 @@ public class ConcreteTransactionalTestNGSpringContextTests extends AbstractTrans
 		assertEquals(bar, "Bar", "The setBar() method should have been injected via @Resource.");
 	}
 
-	@BeforeTransaction
-	void beforeTransaction() {
-		assertNumRowsInPersonTable(1, "before a transactional test method");
-		assertAddPerson(YODA);
-	}
-
-	@BeforeMethod
-	void setUp() throws Exception {
-		numSetUpCalls++;
-		if (inTransaction()) {
-			numSetUpCallsInTransaction++;
-		}
-		assertNumRowsInPersonTable((inTransaction() ? 2 : 1), "before a test method");
-	}
-
 	@Test
 	void modifyTestDataWithinTransaction() {
 		assertInTransaction(true);
@@ -212,19 +213,22 @@ public class ConcreteTransactionalTestNGSpringContextTests extends AbstractTrans
 		assertNumRowsInPersonTable(4, "in modifyTestDataWithinTransaction()");
 	}
 
-	@AfterMethod
-	void tearDown() throws Exception {
-		numTearDownCalls++;
-		if (inTransaction()) {
-			numTearDownCallsInTransaction++;
-		}
-		assertNumRowsInPersonTable((inTransaction() ? 4 : 1), "after a test method");
+
+	private int createPerson(String name) {
+		return jdbcTemplate.update("INSERT INTO person VALUES(?)", name);
 	}
 
-	@AfterTransaction
-	void afterTransaction() {
-		assertEquals(deletePerson(YODA), 1, "Deleting yoda");
-		assertNumRowsInPersonTable(1, "after a transactional test method");
+	private int deletePerson(String name) {
+		return jdbcTemplate.update("DELETE FROM person WHERE name=?", name);
+	}
+
+	private void assertNumRowsInPersonTable(int expectedNumRows, String testState) {
+		assertEquals(countRowsInTable("person"), expectedNumRows,
+				"the number of rows in the person table (" + testState + ").");
+	}
+
+	private void assertAddPerson(String name) {
+		assertEquals(createPerson(name), 1, "Adding '" + name + "'");
 	}
 
 }

spring-test/src/test/java/org/springframework/test/context/transaction/PrimaryTransactionManagerTests.java

@@ -36,6 +36,7 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 import org.springframework.test.jdbc.JdbcTestUtils;
 import org.springframework.test.transaction.TransactionTestUtils;
 import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
 import org.springframework.transaction.annotation.Transactional;
 
 import static org.junit.Assert.*;
@@ -51,7 +52,7 @@ import static org.junit.Assert.*;
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration
 @DirtiesContext
-public class PrimaryTransactionManagerTests {
+public final class PrimaryTransactionManagerTests {
 
 	private JdbcTemplate jdbcTemplate;
 
@@ -90,6 +91,7 @@ public class PrimaryTransactionManagerTests {
 
 
 	@Configuration
+	@EnableTransactionManagement  // SPR-17137: should not break trying to proxy the final test class
 	static class Config {
 
 		@Primary