Add nullability annotations to tests in module/spring-boot-persistence

See gh-47263

module/spring-boot-persistence/build.gradle

@@ -41,3 +41,7 @@ dependencies {
 
 	testRuntimeOnly("ch.qos.logback:logback-classic")
 }
+
+tasks.named("compileTestJava") {
+	options.nullability.checking = "tests"
+}

module/spring-boot-persistence/src/test/java/org/springframework/boot/persistence/autoconfigure/EntityScanPackagesTests.java

@@ -19,6 +19,7 @@ package org.springframework.boot.persistence.autoconfigure;
 import java.util.Collection;
 import java.util.Collections;
 
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
@@ -38,7 +39,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
  */
 class EntityScanPackagesTests {
 
-	private AnnotationConfigApplicationContext context;
+	private @Nullable AnnotationConfigApplicationContext context;
 
 	@AfterEach
 	void cleanup() {
@@ -67,6 +68,7 @@ class EntityScanPackagesTests {
 	}
 
 	@Test
+	@SuppressWarnings("NullAway") // Test null check
 	void registerFromArrayWhenRegistryIsNullShouldThrowException() {
 		assertThatIllegalArgumentException().isThrownBy(() -> EntityScanPackages.register(null))
 			.withMessageContaining("'registry' must not be null");
@@ -74,6 +76,7 @@ class EntityScanPackagesTests {
 	}
 
 	@Test
+	@SuppressWarnings("NullAway") // Test null check
 	void registerFromArrayWhenPackageNamesIsNullShouldThrowException() {
 		this.context = new AnnotationConfigApplicationContext();
 		assertThatIllegalArgumentException()
@@ -82,6 +85,7 @@ class EntityScanPackagesTests {
 	}
 
 	@Test
+	@SuppressWarnings("NullAway") // Test null check
 	void registerFromCollectionWhenRegistryIsNullShouldThrowException() {
 		assertThatIllegalArgumentException()
 			.isThrownBy(() -> EntityScanPackages.register(null, Collections.emptyList()))
@@ -89,6 +93,7 @@ class EntityScanPackagesTests {
 	}
 
 	@Test
+	@SuppressWarnings("NullAway") // Test null check
 	void registerFromCollectionWhenPackageNamesIsNullShouldThrowException() {
 		this.context = new AnnotationConfigApplicationContext();
 		assertThatIllegalArgumentException()

module/spring-boot-persistence/src/test/java/org/springframework/boot/persistence/autoconfigure/EntityScannerTests.java

@@ -51,6 +51,7 @@ import static org.mockito.Mockito.mock;
 class EntityScannerTests {
 
 	@Test
+	@SuppressWarnings("NullAway") // Test null check
 	void createWhenContextIsNullShouldThrowException() {
 		assertThatIllegalArgumentException().isThrownBy(() -> new EntityScanner(null))
 			.withMessageContaining("'context' must not be null");

module/spring-boot-persistence/src/test/java/org/springframework/boot/persistence/autoconfigure/PersistenceExceptionTranslationAutoConfigurationTests.java

@@ -34,6 +34,7 @@ import jakarta.persistence.EntityManagerFactory;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.Id;
 import org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform;
+import org.jspecify.annotations.Nullable;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
 
@@ -60,7 +61,7 @@ import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException
  */
 class PersistenceExceptionTranslationAutoConfigurationTests {
 
-	private AnnotationConfigApplicationContext context;
+	private @Nullable AnnotationConfigApplicationContext context;
 
 	@AfterEach
 	void close() {
@@ -105,7 +106,10 @@ class PersistenceExceptionTranslationAutoConfigurationTests {
 	@WithMetaInfPersistenceXmlResource
 	void persistOfNullThrowsIllegalArgumentExceptionWithoutExceptionTranslation() {
 		this.context = new AnnotationConfigApplicationContext(JpaConfiguration.class, TestConfiguration.class);
-		assertThatIllegalArgumentException().isThrownBy(() -> this.context.getBean(TestRepository.class).doSomething());
+		assertThatIllegalArgumentException().isThrownBy(() -> {
+			assertThat(this.context).isNotNull();
+			this.context.getBean(TestRepository.class).doSomething();
+		});
 	}
 
 	@Test
@@ -113,8 +117,10 @@ class PersistenceExceptionTranslationAutoConfigurationTests {
 	void persistOfNullThrowsInvalidDataAccessApiUsageExceptionWithExceptionTranslation() {
 		this.context = new AnnotationConfigApplicationContext(JpaConfiguration.class, TestConfiguration.class,
 				PersistenceExceptionTranslationAutoConfiguration.class);
-		assertThatExceptionOfType(InvalidDataAccessApiUsageException.class)
-			.isThrownBy(() -> this.context.getBean(TestRepository.class).doSomething());
+		assertThatExceptionOfType(InvalidDataAccessApiUsageException.class).isThrownBy(() -> {
+			assertThat(this.context).isNotNull();
+			this.context.getBean(TestRepository.class).doSomething();
+		});
 	}
 
 	@Configuration(proxyBeanMethods = false)
@@ -195,18 +201,23 @@ class PersistenceExceptionTranslationAutoConfigurationTests {
 
 		@Id
 		@GeneratedValue
+		@SuppressWarnings("NullAway.Init")
 		private Long id;
 
 		@Column(nullable = false)
+		@SuppressWarnings("NullAway.Init")
 		private String name;
 
 		@Column(nullable = false)
+		@SuppressWarnings("NullAway.Init")
 		private String state;
 
 		@Column(nullable = false)
+		@SuppressWarnings("NullAway.Init")
 		private String country;
 
 		@Column(nullable = false)
+		@SuppressWarnings("NullAway.Init")
 		private String map;
 
 		protected City() {