Polish bean override internals

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

@@ -35,7 +35,6 @@ import org.springframework.test.context.bean.override.BeanOverrideStrategy;
 import org.springframework.test.context.bean.override.OverrideMetadata;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
-import org.springframework.util.ObjectUtils;
 import org.springframework.util.StringUtils;
 
 /**
@@ -43,13 +42,14 @@ import org.springframework.util.StringUtils;
  *
  * @author Phillip Webb
  * @author Stephane Nicoll
+ * @author Sam Brannen
  * @since 6.2
  */
 class MockitoBeanOverrideMetadata extends MockitoOverrideMetadata {
 
 	private final Set<Class<?>> extraInterfaces;
 
-	private final Answers answer;
+	private final Answers answers;
 
 	private final boolean serializable;
 
@@ -59,21 +59,22 @@ class MockitoBeanOverrideMetadata extends MockitoOverrideMetadata {
 				annotation.reset(), annotation.extraInterfaces(), annotation.answers(), annotation.serializable());
 	}
 
-	MockitoBeanOverrideMetadata(Field field, ResolvableType typeToMock, @Nullable String beanName, MockReset reset,
-			Class<?>[] extraInterfaces, @Nullable Answers answer, boolean serializable) {
+	private MockitoBeanOverrideMetadata(Field field, ResolvableType typeToMock, @Nullable String beanName, MockReset reset,
+			Class<?>[] extraInterfaces, @Nullable Answers answers, boolean serializable) {
 
 		super(field, typeToMock, beanName, BeanOverrideStrategy.REPLACE_OR_CREATE_DEFINITION, reset, false);
 		Assert.notNull(typeToMock, "'typeToMock' must not be null");
 		this.extraInterfaces = asClassSet(extraInterfaces);
-		this.answer = (answer != null) ? answer : Answers.RETURNS_DEFAULTS;
+		this.answers = (answers != null ? answers : Answers.RETURNS_DEFAULTS);
 		this.serializable = serializable;
 	}
 
-	private static Set<Class<?>> asClassSet(@Nullable Class<?>[] classes) {
-		Set<Class<?>> classSet = new LinkedHashSet<>();
-		if (classes != null) {
-			classSet.addAll(Arrays.asList(classes));
+
+	private static Set<Class<?>> asClassSet(Class<?>[] classes) {
+		if (classes.length == 0) {
+			return Collections.emptySet();
 		}
+		Set<Class<?>> classSet = new LinkedHashSet<>(Arrays.asList(classes));
 		return Collections.unmodifiableSet(classSet);
 	}
 
@@ -90,12 +91,12 @@ class MockitoBeanOverrideMetadata extends MockitoOverrideMetadata {
 	 * Return the {@link Answers}.
 	 * @return the answers mode
 	 */
-	Answers getAnswer() {
-		return this.answer;
+	Answers getAnswers() {
+		return this.answers;
 	}
 
 	/**
-	 * Return if the mock is serializable.
+	 * Determine if the mock is serializable.
 	 * @return {@code true} if the mock is serializable
 	 */
 	boolean isSerializable() {
@@ -108,7 +109,7 @@ class MockitoBeanOverrideMetadata extends MockitoOverrideMetadata {
 	}
 
 	@SuppressWarnings("unchecked")
-	<T> T createMock(String name) {
+	private <T> T createMock(String name) {
 		MockSettings settings = MockReset.withSettings(getReset());
 		if (StringUtils.hasLength(name)) {
 			settings.name(name);
@@ -116,7 +117,7 @@ class MockitoBeanOverrideMetadata extends MockitoOverrideMetadata {
 		if (!this.extraInterfaces.isEmpty()) {
 			settings.extraInterfaces(ClassUtils.toClassArray(this.extraInterfaces));
 		}
-		settings.defaultAnswer(this.answer);
+		settings.defaultAnswer(this.answers);
 		if (this.serializable) {
 			settings.serializable();
 		}
@@ -132,27 +133,26 @@ class MockitoBeanOverrideMetadata extends MockitoOverrideMetadata {
 		if (other == null || other.getClass() != getClass()) {
 			return false;
 		}
-		MockitoBeanOverrideMetadata that = (MockitoBeanOverrideMetadata) other;
-		boolean result = super.equals(that);
-		result = result && ObjectUtils.nullSafeEquals(this.extraInterfaces, that.extraInterfaces);
-		result = result && ObjectUtils.nullSafeEquals(this.answer, that.answer);
-		result = result && this.serializable == that.serializable;
-		return result;
+		return (other instanceof MockitoBeanOverrideMetadata that && super.equals(that) &&
+				(this.serializable == that.serializable) && (this.answers == that.answers) &&
+				Objects.equals(this.extraInterfaces, that.extraInterfaces));
 	}
 
 	@Override
 	public int hashCode() {
-		return Objects.hash(this.extraInterfaces, this.answer, this.serializable) + super.hashCode();
+		return super.hashCode() + Objects.hash(this.extraInterfaces, this.answers, this.serializable);
 	}
 
 	@Override
 	public String toString() {
 		return new ToStringCreator(this)
+				.append("field", getField())
 				.append("beanType", getBeanType())
 				.append("beanName", getBeanName())
+				.append("strategy", getStrategy())
 				.append("reset", getReset())
 				.append("extraInterfaces", getExtraInterfaces())
-				.append("answer", getAnswer())
+				.append("answers", getAnswers())
 				.append("serializable", isSerializable())
 				.toString();
 	}

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

@@ -17,16 +17,18 @@
 package org.springframework.test.context.bean.override.mockito;
 
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 
+import org.mockito.Mockito;
+
 /**
  * Beans created using Mockito.
  *
  * @author Andy Wilkinson
+ * @author Sam Brannen
  * @since 6.2
  */
-class MockitoBeans implements Iterable<Object> {
+class MockitoBeans {
 
 	private final List<Object> beans = new ArrayList<>();
 
@@ -35,9 +37,8 @@ class MockitoBeans implements Iterable<Object> {
 		this.beans.add(bean);
 	}
 
-	@Override
-	public Iterator<Object> iterator() {
-		return this.beans.iterator();
+	void resetAll() {
+		this.beans.forEach(Mockito::reset);
 	}
 
 }

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

@@ -22,16 +22,17 @@ import java.util.Objects;
 import org.springframework.beans.factory.NoSuchBeanDefinitionException;
 import org.springframework.beans.factory.config.SingletonBeanRegistry;
 import org.springframework.core.ResolvableType;
+import org.springframework.core.style.ToStringCreator;
 import org.springframework.lang.Nullable;
 import org.springframework.test.context.bean.override.BeanOverrideStrategy;
 import org.springframework.test.context.bean.override.OverrideMetadata;
-import org.springframework.util.ObjectUtils;
 
 /**
  * Base {@link OverrideMetadata} implementation for Mockito.
  *
  * @author Phillip Webb
  * @author Stephane Nicoll
+ * @author Sam Brannen
  * @since 6.2
  */
 abstract class MockitoOverrideMetadata extends OverrideMetadata {
@@ -45,7 +46,7 @@ abstract class MockitoOverrideMetadata extends OverrideMetadata {
 			BeanOverrideStrategy strategy, @Nullable MockReset reset, boolean proxyTargetAware) {
 
 		super(field, beanType, beanName, strategy);
-		this.reset = (reset != null) ? reset : MockReset.AFTER;
+		this.reset = (reset != null ? reset : MockReset.AFTER);
 		this.proxyTargetAware = proxyTargetAware;
 	}
 
@@ -73,10 +74,9 @@ abstract class MockitoOverrideMetadata extends OverrideMetadata {
 			tracker = (MockitoBeans) trackingBeanRegistry.getSingleton(MockitoBeans.class.getName());
 		}
 		catch (NoSuchBeanDefinitionException ignored) {
-
 		}
 		if (tracker == null) {
-			tracker= new MockitoBeans();
+			tracker = new MockitoBeans();
 			trackingBeanRegistry.registerSingleton(MockitoBeans.class.getName(), tracker);
 		}
 		tracker.add(mock);
@@ -87,19 +87,25 @@ abstract class MockitoOverrideMetadata extends OverrideMetadata {
 		if (other == this) {
 			return true;
 		}
-		if (other == null || !getClass().isAssignableFrom(other.getClass())) {
-			return false;
-		}
-		MockitoOverrideMetadata that = (MockitoOverrideMetadata) other;
-		boolean result = super.equals(that);
-		result = result && ObjectUtils.nullSafeEquals(this.reset, that.reset);
-		result = result && ObjectUtils.nullSafeEquals(this.proxyTargetAware, that.proxyTargetAware);
-		return result;
+		return (other instanceof MockitoOverrideMetadata that && super.equals(that) &&
+				(this.reset == that.reset) && (this.proxyTargetAware == that.proxyTargetAware));
 	}
 
 	@Override
 	public int hashCode() {
-		return Objects.hash(this.reset, this.proxyTargetAware) + super.hashCode();
+		return super.hashCode() + Objects.hash(this.reset, this.proxyTargetAware);
+	}
+
+	@Override
+	public String toString() {
+		return new ToStringCreator(this)
+				.append("field", getField())
+				.append("beanType", getBeanType())
+				.append("beanName", getBeanName())
+				.append("strategy", getStrategy())
+				.append("reset", getReset())
+				.append("proxyTargetAware", isProxyTargetAware())
+				.toString();
 	}
 
 }

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

@@ -87,12 +87,7 @@ public class MockitoResetTestExecutionListener extends AbstractTestExecutionList
 			}
 		}
 		try {
-			MockitoBeans mockedBeans = beanFactory.getBean(MockitoBeans.class);
-			for (Object mockedBean : mockedBeans) {
-				if (reset.equals(MockReset.get(mockedBean))) {
-					Mockito.reset(mockedBean);
-				}
-			}
+			beanFactory.getBean(MockitoBeans.class).resetAll();
 		}
 		catch (NoSuchBeanDefinitionException ex) {
 			// Continue

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

@@ -27,7 +27,6 @@ import org.mockito.listeners.VerificationStartedListener;
 
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.core.ResolvableType;
-import org.springframework.core.style.ToStringCreator;
 import org.springframework.lang.Nullable;
 import org.springframework.test.context.bean.override.BeanOverrideStrategy;
 import org.springframework.test.context.bean.override.OverrideMetadata;
@@ -68,8 +67,7 @@ class MockitoSpyBeanOverrideMetadata extends MockitoOverrideMetadata {
 	}
 
 	@SuppressWarnings("unchecked")
-	<T> T createSpy(String name, Object instance) {
-		Assert.notNull(instance, "Instance must not be null");
+	private <T> T createSpy(String name, Object instance) {
 		Class<?> resolvedTypeToOverride = getBeanType().resolve();
 		Assert.notNull(resolvedTypeToOverride, "Failed to resolve type to override");
 		Assert.isInstanceOf(resolvedTypeToOverride, instance);
@@ -96,15 +94,6 @@ class MockitoSpyBeanOverrideMetadata extends MockitoOverrideMetadata {
 		return (T) Mockito.mock(toSpy, settings);
 	}
 
-	@Override
-	public String toString() {
-		return new ToStringCreator(this)
-				.append("beanName", getBeanName())
-				.append("beanType", getBeanType())
-				.append("reset", getReset())
-				.toString();
-	}
-
 
 	/**
 	 * A {@link VerificationStartedListener} that bypasses any proxy created by

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

@@ -56,22 +56,14 @@ public class MockitoBeanForByNameLookupIntegrationTests {
 
 
 	@Test
-	void fieldHasOverride(ApplicationContext ctx) {
-		assertThat(ctx.getBean("field"))
-				.isInstanceOf(ExampleService.class)
-				.satisfies(o -> assertThat(Mockito.mockingDetails(o).isMock()).as("isMock").isTrue())
-				.isSameAs(this.field);
-
-		assertThat(this.field.greeting()).as("mocked greeting").isNull();
-	}
-
-	@Test
-	void renamedFieldHasOverride(ApplicationContext ctx) {
+	void fieldAndRenamedFieldHaveSameOverride(ApplicationContext ctx) {
 		assertThat(ctx.getBean("field"))
 				.isInstanceOf(ExampleService.class)
 				.satisfies(o -> assertThat(Mockito.mockingDetails(o).isMock()).as("isMock").isTrue())
+				.isSameAs(this.field)
 				.isSameAs(this.renamed1);
 
+		assertThat(this.field.greeting()).as("mocked greeting").isNull();
 		assertThat(this.renamed1.greeting()).as("mocked greeting").isNull();
 	}
 
@@ -91,18 +83,11 @@ public class MockitoBeanForByNameLookupIntegrationTests {
 	public class MockitoBeanNestedTests {
 
 		@Test
-		void fieldHasOverride(ApplicationContext ctx) {
-			assertThat(ctx.getBean("nestedField"))
-					.isInstanceOf(ExampleService.class)
-					.satisfies(o -> assertThat(Mockito.mockingDetails(o).isMock()).as("isMock").isTrue())
-					.isSameAs(nestedField);
-		}
-
-		@Test
-		void renamedFieldHasOverride(ApplicationContext ctx) {
+		void fieldAndRenamedFieldHaveSameOverride(ApplicationContext ctx) {
 			assertThat(ctx.getBean("nestedField"))
 					.isInstanceOf(ExampleService.class)
 					.satisfies(o -> assertThat(Mockito.mockingDetails(o).isMock()).as("isMock").isTrue())
+					.isSameAs(nestedField)
 					.isSameAs(renamed2);
 		}