Polishing

spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessor.java

@@ -149,8 +149,10 @@ class BeanOverrideBeanFactoryPostProcessor implements BeanFactoryPostProcessor,
 				existingBeanDefinition = beanFactory.getBeanDefinition(beanName);
 			}
 			else if (enforceExistingDefinition) {
-				throw new IllegalStateException("Unable to override bean '" + beanName + "': there is no " +
-						"bean definition to replace with that name of type " + overrideMetadata.getBeanType());
+				throw new IllegalStateException("""
+						Unable to override bean: there is no bean definition to replace \
+						with name [%s] and type [%s]."""
+							.formatted(beanName, overrideMetadata.getBeanType()));
 			}
 			beanNameIncludingFactory = beanName;
 		}

spring-test/src/main/java/org/springframework/test/context/bean/override/BeanOverrideProcessor.java

@@ -40,9 +40,9 @@ public interface BeanOverrideProcessor {
 
 	/**
 	 * Create an {@link OverrideMetadata} instance for the given annotated field.
-	 * @param overrideAnnotation the composed annotation that defines the
-	 * {@link BeanOverride @BeanOverride} that triggers this processor
-	 * @param testClass the test class being processed
+	 * @param overrideAnnotation the composed annotation that declares the
+	 * {@link BeanOverride @BeanOverride} annotation that triggers this processor
+	 * @param testClass the test class to process
 	 * @param field the annotated field
 	 * @return the {@link OverrideMetadata} instance that should handle the
 	 * given field

spring-test/src/main/java/org/springframework/test/context/bean/override/convention/TestBeanOverrideMetadata.java

@@ -81,4 +81,5 @@ final class TestBeanOverrideMetadata extends OverrideMetadata {
 	public int hashCode() {
 		return this.overrideMethod.hashCode() * 29 + super.hashCode();
 	}
+
 }

spring-test/src/test/java/org/springframework/mock/web/MockHttpServletRequestTests.java

@@ -676,7 +676,7 @@ class MockHttpServletRequestTests {
 	void startAsyncShouldUpdateRequestState() {
 		assertThat(request.isAsyncStarted()).isFalse();
 		request.setAsyncSupported(true);
-		AsyncContext asyncContext = request.startAsync();
+		request.startAsync();
 		assertThat(request.isAsyncStarted()).isTrue();
 	}
 

spring-test/src/test/java/org/springframework/test/context/bean/override/BeanOverrideBeanFactoryPostProcessorTests.java

@@ -69,8 +69,8 @@ class BeanOverrideBeanFactoryPostProcessorTests {
 
 		assertThatIllegalStateException()
 				.isThrownBy(context::refresh)
-				.withMessage("Unable to override bean 'descriptionBean': there is no bean definition " +
-						"to replace with that name of type java.lang.String");
+				.withMessage("Unable to override bean: there is no bean definition " +
+						"to replace with name [descriptionBean] and type [java.lang.String].");
 	}
 
 	@Test
@@ -80,8 +80,8 @@ class BeanOverrideBeanFactoryPostProcessorTests {
 
 		assertThatIllegalStateException()
 				.isThrownBy(context::refresh)
-				.withMessage("Unable to override bean 'descriptionBean': there is no bean definition " +
-						"to replace with that name of type java.lang.String");
+				.withMessage("Unable to override bean: there is no bean definition " +
+						"to replace with name [descriptionBean] and type [java.lang.String].");
 	}
 
 	@Test
@@ -102,7 +102,9 @@ class BeanOverrideBeanFactoryPostProcessorTests {
 
 	private AnnotationConfigApplicationContext prepareContextWithFactoryBean(Object objectTypeAttribute) {
 		AnnotationConfigApplicationContext context = createContext(CaseOverrideBeanProducedByFactoryBean.class);
+		// Register a TestFactoryBean that will not be overridden
 		context.registerBean("testFactoryBean", TestFactoryBean.class, TestFactoryBean::new);
+		// Register another TestFactoryBean that will be overridden
 		RootBeanDefinition factoryBeanDefinition = new RootBeanDefinition(TestFactoryBean.class);
 		factoryBeanDefinition.setAttribute(FactoryBean.OBJECT_TYPE_ATTRIBUTE, objectTypeAttribute);
 		context.registerBeanDefinition("beanToBeOverridden", factoryBeanDefinition);
@@ -142,7 +144,7 @@ class BeanOverrideBeanFactoryPostProcessorTests {
 	}
 
 	@Test
-	void replaceBeanByTypeWithMultipleMatchesAndFieldNameQualifierMatches() {
+	void replaceBeanByTypeWithMultipleMatchesAndFieldNameAsFallbackQualifierMatches() {
 		AnnotationConfigApplicationContext context = createContext(CaseByType.class);
 		context.registerBean("counter", Integer.class, () -> 1);
 		context.registerBean("someInteger", Integer.class, () -> 2);

spring-test/src/test/java/org/springframework/test/context/bean/override/OverrideMetadataTests.java

@@ -44,12 +44,12 @@ import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
  * @author Stephane Nicoll
  * @since 6.2
  */
-public class OverrideMetadataTests {
+class OverrideMetadataTests {
 
 	@Test
 	void forTestClassWithSingleField() {
 		List<OverrideMetadata> overrideMetadata = OverrideMetadata.forTestClass(SingleAnnotation.class);
-		assertThat(overrideMetadata).singleElement().satisfies(hasTestBeanMetadata(
+		assertThat(overrideMetadata).singleElement().satisfies(hasOverrideMetadata(
 				field(SingleAnnotation.class, "message"), String.class, null));
 	}
 
@@ -57,25 +57,25 @@ public class OverrideMetadataTests {
 	void forTestClassWithMultipleFields() {
 		List<OverrideMetadata> overrideMetadata = OverrideMetadata.forTestClass(MultipleAnnotations.class);
 		assertThat(overrideMetadata).hasSize(2)
-				.anySatisfy(hasTestBeanMetadata(
+				.anySatisfy(hasOverrideMetadata(
 						field(MultipleAnnotations.class, "message"), String.class, null))
-				.anySatisfy(hasTestBeanMetadata(
+				.anySatisfy(hasOverrideMetadata(
 						field(MultipleAnnotations.class, "counter"), Integer.class, null));
 	}
 
 	@Test
-	void forTestClassWithMultipleFieldsSameMetadata() {
+	void forTestClassWithMultipleFieldsWithIdenticalMetadata() {
 		List<OverrideMetadata> overrideMetadata = OverrideMetadata.forTestClass(MultipleAnnotationsDuplicate.class);
 		assertThat(overrideMetadata).hasSize(2)
-				.anySatisfy(hasTestBeanMetadata(
+				.anySatisfy(hasOverrideMetadata(
 						field(MultipleAnnotationsDuplicate.class, "message1"), String.class, "messageBean"))
-				.anySatisfy(hasTestBeanMetadata(
+				.anySatisfy(hasOverrideMetadata(
 						field(MultipleAnnotationsDuplicate.class, "message2"), String.class, "messageBean"));
 		assertThat(new HashSet<>(overrideMetadata)).hasSize(1);
 	}
 
 	@Test
-	void forTestClassWithDifferentOverrideMetadataOnSameField() {
+	void forTestClassWithCompetingBeanOverrideAnnotationsOnSameField() {
 		Field faultyField = field(MultipleAnnotationsOnSameField.class, "message");
 		assertThatIllegalStateException()
 				.isThrownBy(() -> OverrideMetadata.forTestClass(MultipleAnnotationsOnSameField.class))
@@ -164,25 +164,27 @@ public class OverrideMetadataTests {
 		assertThat(metadata).isNotEqualTo(metadata2);
 	}
 
-	private OverrideMetadata createMetadata(Field field) {
+	private static OverrideMetadata createMetadata(Field field) {
 		return createMetadata(field, null);
 	}
 
-	private OverrideMetadata createMetadata(Field field, @Nullable String name) {
+	private static OverrideMetadata createMetadata(Field field, @Nullable String name) {
 		return new DummyOverrideMetadata(field, field.getType(), name, BeanOverrideStrategy.REPLACE_DEFINITION);
 	}
 
-	private Field field(Class<?> target, String fieldName) {
+	private static Field field(Class<?> target, String fieldName) {
 		Field field = ReflectionUtils.findField(target, fieldName);
 		assertThat(field).isNotNull();
 		return field;
 	}
 
-	private Consumer<OverrideMetadata> hasTestBeanMetadata(Field field, Class<?> beanType, @Nullable String beanName) {
+	private static Consumer<OverrideMetadata> hasOverrideMetadata(Field field, Class<?> beanType, @Nullable String beanName) {
 		return hasOverrideMetadata(field, beanType, BeanOverrideStrategy.REPLACE_DEFINITION, beanName);
 	}
 
-	private Consumer<OverrideMetadata> hasOverrideMetadata(Field field, Class<?> beanType, BeanOverrideStrategy strategy, @Nullable String beanName) {
+	private static Consumer<OverrideMetadata> hasOverrideMetadata(Field field, Class<?> beanType, BeanOverrideStrategy strategy,
+			@Nullable String beanName) {
+
 		return metadata -> {
 			assertThat(metadata.getField()).isEqualTo(field);
 			assertThat(metadata.getBeanType().toClass()).isEqualTo(beanType);
@@ -196,7 +198,6 @@ public class OverrideMetadataTests {
 
 		@DummyBean
 		String message;
-
 	}
 
 	static class MultipleAnnotations {
@@ -215,7 +216,6 @@ public class OverrideMetadataTests {
 
 		@DummyBean(beanName = "messageBean")
 		String message2;
-
 	}
 
 	static class MultipleAnnotationsOnSameField {
@@ -229,37 +229,33 @@ public class OverrideMetadataTests {
 		}
 	}
 
-	public static class ConfigA {
+	static class ConfigA {
 
-		private ExampleService noQualifier;
+		ExampleService noQualifier;
 
 		@Qualifier("test")
-		private ExampleService directQualifier;
+		ExampleService directQualifier;
 
 		@Qualifier("different")
-		private ExampleService differentDirectQualifier;
+		ExampleService differentDirectQualifier;
 
 		@CustomQualifier
-		private ExampleService customQualifier;
-
+		ExampleService customQualifier;
 	}
 
-	public static class ConfigB {
+	static class ConfigB {
 
-		private ExampleService noQualifier;
+		ExampleService noQualifier;
 
-		private ExampleService example;
+		ExampleService example;
 
 		@Qualifier("test")
-		private ExampleService directQualifier;
-
+		ExampleService directQualifier;
 	}
 
-	// Simple OverrideMetadata implementation
-
 	@Target(ElementType.FIELD)
 	@Retention(RetentionPolicy.RUNTIME)
 	@DummyBean
-	public @interface MetaDummyBean {}
+	@interface MetaDummyBean {}
 
 }

spring-test/src/test/java/org/springframework/test/context/bean/override/convention/TestBeanContextCustomizerEqualityTests.java

@@ -46,7 +46,7 @@ class TestBeanContextCustomizerEqualityTests {
 	}
 
 
-	private ContextCustomizer createContextCustomizer(Class<?> testClass) {
+	private static ContextCustomizer createContextCustomizer(Class<?> testClass) {
 		ContextCustomizer customizer = BeanOverrideContextCustomizerTestUtils.createContextCustomizer(testClass);
 		assertThat(customizer).isNotNull();
 		return customizer;
@@ -89,7 +89,7 @@ class TestBeanContextCustomizerEqualityTests {
 		@TestBean
 		private String description;
 
-		private static String description() {
+		static String description() {
 			return "overridden";
 		}
 	}
@@ -99,7 +99,7 @@ class TestBeanContextCustomizerEqualityTests {
 		@TestBean(name = "descriptionBean")
 		private String description;
 
-		private static String description() {
+		static String description() {
 			return "overridden";
 		}
 	}

spring-test/src/test/java/org/springframework/test/context/bean/override/convention/TestBeanTests.java

@@ -40,8 +40,8 @@ public class TestBeanTests {
 		assertThatIllegalStateException()
 				.isThrownBy(context::refresh)
 				.withMessage("""
-						Unable to override bean 'beanToOverride': there is no bean definition \
-						to replace with that name of type java.lang.String""");
+						Unable to override bean: there is no bean definition \
+						to replace with name [beanToOverride] and type [java.lang.String].""");
 	}
 
 	@Test
@@ -78,9 +78,8 @@ public class TestBeanTests {
 		assertThatIllegalStateException()
 				.isThrownBy(context::refresh)
 				.withMessage("""
-						Unable to override bean 'beanToOverride': there is no bean definition \
-						to replace with that name of type %s""".formatted(
-						String.class.getName()));
+						Unable to override bean: there is no bean definition \
+						to replace with name [beanToOverride] and type [java.lang.String].""");
 	}
 
 	@Test
@@ -130,7 +129,7 @@ public class TestBeanTests {
 		@TestBean
 		private String example;
 
-		private static String example() {
+		static String example() {
 			throw new IllegalStateException("Should not be called");
 		}
 	}
@@ -140,7 +139,7 @@ public class TestBeanTests {
 		@TestBean(name = "beanToOverride")
 		private String example;
 
-		private static String example() {
+		static String example() {
 			throw new IllegalStateException("Should not be called");
 		}
 	}