Polishing.

Consistent ConfigurationSource usage across tests to avoid nullability.

See #5107
Original pull request: #5108

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/aot/MongoRepositoryContributor.java

@@ -68,11 +68,11 @@ public class MongoRepositoryContributor extends RepositoryContributor {
 
 	private static final Log logger = LogFactory.getLog(MongoRepositoryContributor.class);
 
+	private final AotRepositoryContext repositoryContext;
 	private final AotQueryCreator queryCreator;
 	private final SimpleTypeHolder simpleTypeHolder;
 	private final MongoMappingContext mappingContext;
 	private final NamedQueries namedQueries;
-	private final @Nullable String mongoOperationsRef;
 
 	public MongoRepositoryContributor(AotRepositoryContext repositoryContext) {
 
@@ -83,8 +83,8 @@ public class MongoRepositoryContributor extends RepositoryContributor {
 			classLoader = getClass().getClassLoader();
 		}
 
+		this.repositoryContext = repositoryContext;
 		this.namedQueries = getNamedQueries(repositoryContext.getConfigurationSource(), classLoader);
-		this.mongoOperationsRef = getMongoTemplateRef(repositoryContext.getConfigurationSource());
 
 		// avoid Java Time (JSR-310) Type introspection
 		MongoCustomConversions mongoCustomConversions = MongoCustomConversions
@@ -100,14 +100,6 @@ public class MongoRepositoryContributor extends RepositoryContributor {
 		this.queryCreator = new AotQueryCreator(this.mappingContext);
 	}
 
-	private @Nullable String getMongoTemplateRef(@Nullable RepositoryConfigurationSource configSource) {
-		if (configSource == null) {
-			return null;
-		}
-
-		return configSource.getAttribute("mongoTemplateRef").filter(it -> !"mongoTemplate".equals(it)).orElse(null);
-	}
-
 	@SuppressWarnings("NullAway")
 	private NamedQueries getNamedQueries(@Nullable RepositoryConfigurationSource configSource, ClassLoader classLoader) {
 
@@ -145,9 +137,10 @@ public class MongoRepositoryContributor extends RepositoryContributor {
 
 		constructorBuilder.addParameter("operations", MongoOperations.class, customizer -> {
 
+			String mongoOperationsRef = getMongoTemplateRef();
 			customizer.bindToField()
-					.origin(StringUtils.hasText(this.mongoOperationsRef)
+					.origin(StringUtils.hasText(mongoOperationsRef)
-							? new RuntimeBeanReference(this.mongoOperationsRef, MongoOperations.class)
+							? new RuntimeBeanReference(mongoOperationsRef, MongoOperations.class)
 							: new RuntimeBeanReference(MongoOperations.class));
 		});
 
@@ -158,6 +151,11 @@ public class MongoRepositoryContributor extends RepositoryContributor {
 		});
 	}
 
+	private @Nullable String getMongoTemplateRef() {
+		return repositoryContext.getConfigurationSource().getAttribute("mongoTemplateRef")
+				.filter(it -> !"mongoTemplate".equals(it)).orElse(null);
+	}
+
 	@Override
 	@SuppressWarnings("NullAway")
 	protected @Nullable MethodContributor<? extends QueryMethod> contributeQueryMethod(Method method) {

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/aot/AotFragmentTestConfigurationSupport.java

@@ -18,6 +18,8 @@ package org.springframework.data.mongodb.repository.aot;
 import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 
+import org.mockito.Mockito;
+
 import org.springframework.aot.test.generate.TestGenerationContext;
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.config.BeanDefinition;
@@ -27,12 +29,26 @@ import org.springframework.beans.factory.config.RuntimeBeanReference;
 import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
+import org.springframework.beans.factory.support.DefaultBeanNameGenerator;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.FilterType;
 import org.springframework.core.env.StandardEnvironment;
+import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.test.tools.TestCompiler;
+import org.springframework.core.type.AnnotationMetadata;
 import org.springframework.data.expression.ValueExpressionParser;
 import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.convert.MappingMongoConverter;
+import org.springframework.data.mongodb.core.convert.MongoConverter;
+import org.springframework.data.mongodb.core.convert.MongoCustomConversions;
+import org.springframework.data.mongodb.core.convert.NoOpDbRefResolver;
+import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
 import org.springframework.data.projection.ProjectionFactory;
 import org.springframework.data.projection.SpelAwareProxyProjectionFactory;
+import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource;
+import org.springframework.data.repository.config.RepositoryConfigurationSource;
 import org.springframework.data.repository.core.RepositoryMetadata;
 import org.springframework.data.repository.core.support.RepositoryFactoryBeanSupport;
 import org.springframework.data.repository.query.QueryMethodValueEvaluationContextAccessor;
@@ -53,23 +69,54 @@ import org.springframework.util.ReflectionUtils;
 public class AotFragmentTestConfigurationSupport implements BeanFactoryPostProcessor {
 
 	private final Class<?> repositoryInterface;
+	private final RepositoryConfigurationSource configSource;
 	private final boolean registerFragmentFacade;
 
 	public AotFragmentTestConfigurationSupport(Class<?> repositoryInterface) {
-		this(repositoryInterface, true);
+		this(repositoryInterface, SampleConfiguration.class, true);
+	}
+
+	public AotFragmentTestConfigurationSupport(Class<?> repositoryInterface, Class<?> configClass) {
+		this(repositoryInterface, configClass, true);
 	}
 
 	public AotFragmentTestConfigurationSupport(Class<?> repositoryInterface, boolean registerFragmentFacade) {
+		this(repositoryInterface, SampleConfiguration.class, registerFragmentFacade);
+	}
+
+	public AotFragmentTestConfigurationSupport(Class<?> repositoryInterface, Class<?> configClass,
+			boolean registerFragmentFacade) {
 
 		this.repositoryInterface = repositoryInterface;
 		this.registerFragmentFacade = registerFragmentFacade;
+		this.configSource = new AnnotationRepositoryConfigurationSource(AnnotationMetadata.introspect(configClass),
+				EnableMongoRepositories.class, new DefaultResourceLoader(), new StandardEnvironment(),
+				Mockito.mock(BeanDefinitionRegistry.class), DefaultBeanNameGenerator.INSTANCE);
+	}
+
+	@Bean
+	MongoCustomConversions customConversions() {
+		return MongoCustomConversions.create(adapter -> adapter.useSpringDataJavaTimeCodecs());
+	}
+
+	@Bean
+	MongoMappingContext mongoMappingContext(MongoCustomConversions conversions) {
+		MongoMappingContext context = new MongoMappingContext();
+		context.setSimpleTypeHolder(conversions.getSimpleTypeHolder());
+		return context;
+	}
+
+	@Bean
+	MongoConverter mongoConverter(MongoMappingContext context, MongoCustomConversions conversions) {
+		MappingMongoConverter converter = new MappingMongoConverter(NoOpDbRefResolver.INSTANCE, context);
+		converter.setCustomConversions(conversions);
+		return converter;
 	}
 
 	@Override
 	public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
 
-		TestMongoAotRepositoryContext repositoryContext = new TestMongoAotRepositoryContext(beanFactory,
+		TestMongoAotRepositoryContext repositoryContext = getRepositoryContext(beanFactory);
-				repositoryInterface, null);
 		TestGenerationContext generationContext = new TestGenerationContext(repositoryInterface);
 
 		new MongoRepositoryContributor(repositoryContext).contribute(generationContext);
@@ -101,6 +148,10 @@ public class AotFragmentTestConfigurationSupport implements BeanFactoryPostProce
 		beanFactory.registerSingleton("generationContext", generationContext);
 	}
 
+	public TestMongoAotRepositoryContext getRepositoryContext(ConfigurableListableBeanFactory beanFactory) {
+		return new TestMongoAotRepositoryContext(beanFactory, repositoryInterface, configSource);
+	}
+
 	private Object getFragmentFacadeProxy(Object fragment) {
 
 		return Proxy.newProxyInstance(repositoryInterface.getClassLoader(), new Class<?>[] { repositoryInterface },
@@ -157,4 +208,10 @@ public class AotFragmentTestConfigurationSupport implements BeanFactoryPostProce
 		}
 	}
 
+	@EnableMongoRepositories(considerNestedRepositories = true, includeFilters = {
+			@ComponentScan.Filter(classes = SampleConfiguration.class, type = FilterType.ASSIGNABLE_TYPE) })
+	public static class SampleConfiguration {
+
+	}
+
 }

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/aot/MongoRepositoryContributorUnitTests.java

@@ -15,8 +15,8 @@
  */
 package org.springframework.data.mongodb.repository.aot;
 
-import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.*;
-import static org.springframework.data.mongodb.test.util.Assertions.assertThat;
+import static org.springframework.data.mongodb.test.util.Assertions.*;
 
 import example.aot.User;
 import example.aot.UserRepository;
@@ -25,15 +25,20 @@ import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 
 import org.junit.jupiter.api.Test;
+
 import org.springframework.aot.generate.GeneratedFiles;
 import org.springframework.aot.test.generate.TestGenerationContext;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.FilterType;
 import org.springframework.core.io.InputStreamResource;
 import org.springframework.core.io.InputStreamSource;
 import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.convert.MongoConverter;
 import org.springframework.data.mongodb.repository.Meta;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
@@ -47,15 +52,19 @@ import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 class MongoRepositoryContributorUnitTests {
 
 	@Configuration
+	@EnableMongoRepositories(considerNestedRepositories = true, mongoTemplateRef = "mongoOperations",
+			includeFilters = { @ComponentScan.Filter(classes = MetaUserRepository.class, type = FilterType.ASSIGNABLE_TYPE) })
 	static class MongoRepositoryContributorConfiguration extends AotFragmentTestConfigurationSupport {
 
 		public MongoRepositoryContributorConfiguration() {
-			super(MetaUserRepository.class);
+			super(MetaUserRepository.class, MongoRepositoryContributorConfiguration.class);
 		}
 
 		@Bean
-		MongoOperations mongoOperations() {
+		MongoOperations mongoOperations(MongoConverter mongoConverter) {
-			return mock(MongoOperations.class);
+			MongoOperations operations = mock(MongoOperations.class);
+			when(operations.getConverter()).thenReturn(mongoConverter);
+			return operations;
 		}
 
 	}
@@ -66,7 +75,8 @@ class MongoRepositoryContributorUnitTests {
 	void shouldConsiderMetaAnnotation() throws IOException {
 
 		InputStreamSource aotFragment = generationContext.getGeneratedFiles().getGeneratedFile(GeneratedFiles.Kind.SOURCE,
-				MetaUserRepository.class.getPackageName().replace('.', '/') + "/MetaUserRepositoryImpl__AotRepository.java");
+				AotFragmentTestConfigurationSupport.getAotImplFragmentName(MetaUserRepository.class).replace('.', '/')
+						+ ".java");
 
 		String content = new InputStreamResource(aotFragment).getContentAsString(StandardCharsets.UTF_8);
 
@@ -76,7 +86,7 @@ class MongoRepositoryContributorUnitTests {
 		assertThat(content).contains("filterQuery.diskUse(DiskUse.DENY)");
 	}
 
-	interface MetaUserRepository extends CrudRepository<User, String> {
+	public interface MetaUserRepository extends CrudRepository<User, String> {
 
 		@Meta
 		User findAllByLastname(String lastname);

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/aot/MongoRepositoryMetadataTests.java

@@ -34,6 +34,7 @@ import org.springframework.context.support.AbstractApplicationContext;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.UrlResource;
 import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.convert.MongoConverter;
 import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
 /**
@@ -41,7 +42,6 @@ import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
  *
  * @author Mark Paluch
  */
-
 @SpringJUnitConfig(classes = MongoRepositoryMetadataTests.MongoRepositoryContributorConfiguration.class)
 class MongoRepositoryMetadataTests {
 
@@ -53,8 +53,10 @@ class MongoRepositoryMetadataTests {
 		}
 
 		@Bean
-		MongoOperations mongoOperations() {
+		MongoOperations mongoOperations(MongoConverter mongoConverter) {
-			return mock(MongoOperations.class);
+			MongoOperations operations = mock(MongoOperations.class);
+			when(operations.getConverter()).thenReturn(mongoConverter);
+			return operations;
 		}
 
 	}

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/aot/TestMongoAotRepositoryContext.java

@@ -18,8 +18,6 @@ package org.springframework.data.mongodb.repository.aot;
 import java.lang.annotation.Annotation;
 import java.util.Set;
 
-import org.jspecify.annotations.Nullable;
-
 import org.springframework.beans.factory.BeanFactory;
 import org.springframework.core.annotation.MergedAnnotation;
 import org.springframework.core.env.StandardEnvironment;
@@ -41,21 +39,20 @@ import org.springframework.data.repository.core.support.RepositoryComposition;
 public class TestMongoAotRepositoryContext extends AotRepositoryContextSupport {
 
 	private final AotRepositoryInformation repositoryInformation;
-	private final Class<?> repositoryInterface;
+	private final RepositoryConfigurationSource configurationSource;
 
 	public TestMongoAotRepositoryContext(BeanFactory beanFactory, Class<?> repositoryInterface,
-			@Nullable RepositoryComposition composition) {
+			RepositoryConfigurationSource configurationSource) {
-		super(AotContext.from(beanFactory, new StandardEnvironment()));
 
-		this.repositoryInterface = repositoryInterface;
+		super(AotContext.from(beanFactory, new StandardEnvironment()));
 
 		RepositoryMetadata metadata = AnnotationRepositoryMetadata.getMetadata(repositoryInterface);
-
 		RepositoryComposition.RepositoryFragments fragments = MongoRepositoryFragmentsContributor.DEFAULT
 				.describe(metadata);
 
 		this.repositoryInformation = new AotRepositoryInformation(metadata, SimpleMongoRepository.class,
 				fragments.stream().toList());
+		this.configurationSource = configurationSource;
 	}
 
 	@Override
@@ -65,12 +62,7 @@ public class TestMongoAotRepositoryContext extends AotRepositoryContextSupport {
 
 	@Override
 	public RepositoryConfigurationSource getConfigurationSource() {
-		return null;
+		return configurationSource;
-	}
-
-	@Override
-	public Set<String> getBasePackages() {
-		return Set.of(repositoryInterface.getPackageName());
 	}
 
 	@Override