Polish

spring-test/src/main/java/org/springframework/test/context/ActiveProfilesResolver.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -40,7 +40,7 @@ public interface ActiveProfilesResolver {
 	 * {@code ApplicationContext} for the given {@linkplain Class test class}.
 	 * @param testClass the test class for which the profiles should be resolved;
 	 * never {@code null}
-	 * @return the list of bean definition profiles to use when loading the
+	 * @return the bean definition profiles to use when loading the
 	 * {@code ApplicationContext}; never {@code null}
 	 * @see ActiveProfiles#resolver
 	 * @see ActiveProfiles#inheritProfiles

spring-test/src/main/java/org/springframework/test/context/BootstrapUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -76,7 +76,7 @@ public abstract class BootstrapUtils {
 	static BootstrapContext createBootstrapContext(Class<?> testClass) {
 		CacheAwareContextLoaderDelegate cacheAwareContextLoaderDelegate = createCacheAwareContextLoaderDelegate();
 		String className = DEFAULT_BOOTSTRAP_CONTEXT_CLASS_NAME;
-		Class<? extends BootstrapContext> clazz = null;
+		Class<? extends BootstrapContext> clazz;
 		try {
 			clazz = (Class<? extends BootstrapContext>)
 					ClassUtils.forName(className, BootstrapUtils.class.getClassLoader());
@@ -93,7 +93,7 @@ public abstract class BootstrapUtils {
 	@SuppressWarnings("unchecked")
 	private static CacheAwareContextLoaderDelegate createCacheAwareContextLoaderDelegate() {
 		String className = DEFAULT_CACHE_AWARE_CONTEXT_LOADER_DELEGATE_CLASS_NAME;
-		Class<? extends CacheAwareContextLoaderDelegate> clazz = null;
+		Class<? extends CacheAwareContextLoaderDelegate> clazz;
 		try {
 			clazz = (Class<? extends CacheAwareContextLoaderDelegate>)
 					ClassUtils.forName(className, BootstrapUtils.class.getClassLoader());

spring-test/src/main/java/org/springframework/test/context/ContextConfigurationAttributes.java

@@ -75,7 +75,7 @@ public class ContextConfigurationAttributes {
 	 * either explicitly or implicitly
 	 * @since 4.3
 	 */
-	@SuppressWarnings("unchecked")
+	@SuppressWarnings({ "unchecked", "rawtypes" })
 	public ContextConfigurationAttributes(Class<?> declaringClass) {
 		this(declaringClass, EMPTY_LOCATIONS, EMPTY_CLASSES, false, (Class[]) EMPTY_CLASSES, true, ContextLoader.class);
 	}

spring-test/src/main/java/org/springframework/test/context/MergedContextConfiguration.java

@@ -88,7 +88,6 @@ public class MergedContextConfiguration implements Serializable {
 
 	private final Class<?>[] classes;
 
-	@SuppressWarnings("serial")
 	private final Set<Class<? extends ApplicationContextInitializer<?>>> contextInitializerClasses;
 
 	private final String[] activeProfiles;
@@ -99,14 +98,11 @@ public class MergedContextConfiguration implements Serializable {
 
 	private final String[] propertySourceProperties;
 
-	@SuppressWarnings("serial")
 	private final Set<ContextCustomizer> contextCustomizers;
 
-	@SuppressWarnings("serial")
 	private final ContextLoader contextLoader;
 
 	@Nullable
-	@SuppressWarnings("serial")
 	private final CacheAwareContextLoaderDelegate cacheAwareContextLoaderDelegate;
 
 	@Nullable

spring-test/src/main/java/org/springframework/test/context/MethodInvoker.java

@@ -47,7 +47,7 @@ public interface MethodInvoker {
 	 * Shared instance of the default {@link MethodInvoker}.
 	 * <p>This invoker never provides arguments to a {@link Method}.
 	 */
-	static final MethodInvoker DEFAULT_INVOKER = new DefaultMethodInvoker();
+	MethodInvoker DEFAULT_INVOKER = new DefaultMethodInvoker();
 
 
 	/**

spring-test/src/main/java/org/springframework/test/context/NestedTestConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -98,7 +98,7 @@ public @interface NestedTestConfiguration {
 
 	/**
 	 * JVM system property used to change the default <em>enclosing configuration
-	 * inheritance mode</em>: {@value #ENCLOSING_CONFIGURATION_PROPERTY_NAME}.
+	 * inheritance mode</em>: {@value}.
 	 * <p>Supported values include enum constants defined in
 	 * {@link EnclosingConfiguration}, ignoring case. For example, the default
 	 * may be changed to {@link EnclosingConfiguration#OVERRIDE} by supplying

spring-test/src/main/java/org/springframework/test/context/TestConstructor.java

@@ -79,7 +79,7 @@ public @interface TestConstructor {
 
 	/**
 	 * JVM system property used to change the default <em>test constructor
-	 * autowire mode</em>: {@value #TEST_CONSTRUCTOR_AUTOWIRE_MODE_PROPERTY_NAME}.
+	 * autowire mode</em>: {@value}.
 	 * <p>Acceptable values include enum constants defined in {@link AutowireMode},
 	 * ignoring case. For example, the default may be changed to {@link AutowireMode#ALL}
 	 * by supplying the following JVM system property via the command line.

spring-test/src/main/java/org/springframework/test/context/TestContextAnnotationUtils.java

@@ -248,7 +248,7 @@ public abstract class TestContextAnnotationUtils {
 			return new AnnotationDescriptor<>(clazz, clazz.getAnnotation(annotationType));
 		}
 
-		AnnotationDescriptor<T> descriptor = null;
+		AnnotationDescriptor<T> descriptor;
 
 		// Declared on a composed annotation (i.e., as a meta-annotation)?
 		for (Annotation composedAnn : clazz.getDeclaredAnnotations()) {

spring-test/src/main/java/org/springframework/test/context/aot/DisabledInAotMode.java

@@ -32,7 +32,7 @@ import org.junit.jupiter.api.condition.DisabledIf;
  * <p>If a test class is annotated with {@code @DisabledInAotMode}, all other test
  * classes which specify configuration to load the same {@code ApplicationContext}
  * must also be annotated with {@code @DisabledInAotMode}. Failure to annotate
- * all such test classes will result in a exception, either at build time or
+ * all such test classes will result in an exception, either at build time or
  * run time.
  *
  * <p>When used with JUnit Jupiter based tests, {@code @DisabledInAotMode} also

spring-test/src/main/java/org/springframework/test/context/aot/MergedContextConfigurationRuntimeHints.java

@@ -64,7 +64,6 @@ class MergedContextConfigurationRuntimeHints {
 	private final Log logger = LogFactory.getLog(getClass());
 
 
-	@SuppressWarnings("deprecation")
 	public void registerHints(RuntimeHints runtimeHints, MergedContextConfiguration mergedConfig, ClassLoader classLoader) {
 		// @ContextConfiguration(loader = ...)
 		ContextLoader contextLoader = mergedConfig.getContextLoader();
@@ -92,7 +91,7 @@ class MergedContextConfigurationRuntimeHints {
 
 		// @WebAppConfiguration(value = ...)
 		if (webMergedContextConfigurationClass.isInstance(mergedConfig)) {
-			String resourceBasePath = null;
+			String resourceBasePath;
 			try {
 				resourceBasePath = (String) getResourceBasePathMethod.invoke(mergedConfig);
 			}
@@ -150,7 +149,6 @@ class MergedContextConfigurationRuntimeHints {
 		}
 	}
 
-	@SuppressWarnings("unchecked")
 	private static Class<?> loadWebMergedContextConfigurationClass() {
 		try {
 			return ClassUtils.forName(WEB_MERGED_CONTEXT_CONFIGURATION_CLASS_NAME,

spring-test/src/main/java/org/springframework/test/context/aot/TestContextGenerationContext.java

@@ -63,7 +63,7 @@ class TestContextGenerationContext extends DefaultGenerationContext {
 	 * Create a new {@link TestContextGenerationContext} instance using the specified
 	 * feature name to qualify generated assets for a dedicated round of code generation.
 	 * <p>If <em>this</em> {@code TestContextGenerationContext} has a configured feature
-	 * name, the existing feature name will prepended to the supplied feature name in
+	 * name, the existing feature name will be prepended to the supplied feature name in
 	 * order to avoid naming collisions.
 	 * @param featureName the feature name to use
 	 * @return a specialized {@link TestContextGenerationContext} for the specified

spring-test/src/main/java/org/springframework/test/context/cache/DefaultCacheAwareContextLoaderDelegate.java

@@ -137,7 +137,7 @@ public class DefaultCacheAwareContextLoaderDelegate implements CacheAwareContext
 			ApplicationContext context = this.contextCache.get(mergedConfig);
 			try {
 				if (context == null) {
-					Integer failureCount = this.contextCache.getFailureCount(mergedConfig);
+					int failureCount = this.contextCache.getFailureCount(mergedConfig);
 					if (failureCount >= this.failureThreshold) {
 						throw new IllegalStateException("""
 								ApplicationContext failure threshold (%d) exceeded: \
@@ -287,7 +287,6 @@ public class DefaultCacheAwareContextLoaderDelegate implements CacheAwareContext
 	 * have an AOT-optimized {@code ApplicationContext}
 	 * @since 6.0
 	 */
-	@SuppressWarnings("unchecked")
 	private MergedContextConfiguration replaceIfNecessary(MergedContextConfiguration mergedConfig) {
 		if (AotDetector.useGeneratedArtifacts()) {
 			Class<?> testClass = mergedConfig.getTestClass();

spring-test/src/main/java/org/springframework/test/context/junit/jupiter/AbstractExpressionEvaluatingCondition.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -79,10 +79,10 @@ abstract class AbstractExpressionEvaluatingCondition implements ExecutionConditi
 	 * @param loadContextExtractor a function that extracts the {@code loadContext}
 	 * flag from the annotation
 	 * @param enabledOnTrue indicates whether the returned {@code ConditionEvaluationResult}
-	 * should be {@link ConditionEvaluationResult#enabled enabled} if the expression
+	 * should be {@link ConditionEvaluationResult#enabled(String)}  enabled} if the expression
 	 * evaluates to {@code true}
 	 * @param context the {@code ExtensionContext}
-	 * @return {@link ConditionEvaluationResult#enabled enabled} if the container
+	 * @return {@link ConditionEvaluationResult#enabled(String)}  enabled} if the container
 	 * or test should be enabled; otherwise {@link ConditionEvaluationResult#disabled disabled}
 	 */
 	protected <A extends Annotation> ConditionEvaluationResult evaluateAnnotation(Class<A> annotationType,

spring-test/src/main/java/org/springframework/test/context/junit4/SpringJUnit4ClassRunner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -370,7 +370,7 @@ public class SpringJUnit4ClassRunner extends BlockJUnit4ClassRunner {
 	// in BlockJUnit4ClassRunner has been deprecated.
 	@SuppressWarnings("deprecation")
 	protected Statement withPotentialTimeout(FrameworkMethod frameworkMethod, Object testInstance, Statement next) {
-		Statement statement = null;
+		Statement statement;
 		long springTimeout = getSpringTimeout(frameworkMethod);
 		long junitTimeout = getJUnitTimeout(frameworkMethod);
 		if (springTimeout > 0 && junitTimeout > 0) {

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -64,7 +64,7 @@ abstract class ActiveProfilesUtils {
 	 * and enclosing classes.
 	 * @param testClass the class for which to resolve the active profiles (must not be
 	 * {@code null})
-	 * @return the set of active profiles for the specified class, including active
+	 * @return the active profiles for the specified class, including active
 	 * profiles from superclasses and enclosing classes if appropriate (never {@code null})
 	 * @see ActiveProfiles
 	 * @see ActiveProfilesResolver

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -50,7 +50,7 @@ public class DefaultActiveProfilesResolver implements ActiveProfilesResolver {
 	 * {@link ActiveProfiles#profiles} or {@link ActiveProfiles#value}.
 	 * @param testClass the test class for which the profiles should be resolved;
 	 * never {@code null}
-	 * @return the list of bean definition profiles to use when loading the
+	 * @return the bean definition profiles to use when loading the
 	 * {@code ApplicationContext}; never {@code null}
 	 */
 	@Override

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

@@ -163,7 +163,7 @@ public abstract class TestConstructorUtils {
 			return true;
 		}
 
-		AutowireMode autowireMode = null;
+		AutowireMode autowireMode;
 
 		// Is the test class annotated with @TestConstructor?
 		TestConstructor testConstructor = TestContextAnnotationUtils.findMergedAnnotation(testClass, TestConstructor.class);

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

@@ -73,7 +73,6 @@ class TestPropertySourceAttributes {
 	private final boolean inheritProperties;
 
 
-	@SuppressWarnings("unchecked")
 	TestPropertySourceAttributes(MergedAnnotation<TestPropertySource> mergedAnnotation) {
 		this.declaringClass = declaringClass(mergedAnnotation);
 		this.rootAnnotation = mergedAnnotation.getRoot();

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

@@ -79,7 +79,7 @@ public abstract class TestPropertySourceUtils {
 
 	private static final PropertySourceFactory defaultPropertySourceFactory = new DefaultPropertySourceFactory();
 
-	private static Comparator<MergedAnnotation<? extends Annotation>> reversedMetaDistance =
+	private static final Comparator<MergedAnnotation<? extends Annotation>> reversedMetaDistance =
 			Comparator.<MergedAnnotation<? extends Annotation>> comparingInt(MergedAnnotation::getDistance).reversed();
 
 	private static final Log logger = LogFactory.getLog(TestPropertySourceUtils.class);

spring-test/src/main/java/org/springframework/test/context/web/AbstractGenericWebContextLoader.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 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.
@@ -190,7 +190,7 @@ public abstract class AbstractGenericWebContextLoader extends AbstractContextLoa
 	 * @see org.springframework.test.context.SmartContextLoader#loadContext(MergedContextConfiguration)
 	 * @see org.springframework.test.context.aot.AotContextLoader#loadContextForAotProcessing(MergedContextConfiguration)
 	 */
-	private final GenericWebApplicationContext loadContext(
+	private GenericWebApplicationContext loadContext(
 			MergedContextConfiguration mergedConfig, boolean forAotProcessing) throws Exception {
 
 		if (!(mergedConfig instanceof WebMergedContextConfiguration webMergedConfig)) {