HHH-18974 - Add test for new method StaticClassLists.typesNeedingRuntimeInitialization()

Signed-off-by: Jan Schatteman <[email protected]>

Author: jrenaat

hibernate-graalvm/src/main/java/org/hibernate/graalvm/internal/StaticClassLists.java

@@ -76,6 +76,10 @@ public static Class[] typesNeedingArrayCopy() {
 		};
 	}
 
+	/**
+	 * The classes listed below use a SecureRandom. We need to avoid static initialization at build time of these,
+	 * for it will trigger an error in GraalVM native images.
+	 */
 	public static Class<?>[] typesNeedingRuntimeInitialization() {
 		return new Class[] {
 				org.hibernate.id.uuid.UuidVersion6Strategy.Holder.class,

hibernate-graalvm/src/test/java/org/hibernate/graalvm/internal/StaticClassListsTest.java

@@ -16,6 +16,8 @@
 
 import org.hibernate.Session;
 import org.hibernate.event.spi.EventType;
+import org.hibernate.id.uuid.UuidVersion6Strategy;
+import org.hibernate.id.uuid.UuidVersion7Strategy;
 import org.hibernate.internal.util.ReflectHelper;
 import org.hibernate.persister.collection.CollectionPersister;
 import org.hibernate.persister.entity.EntityPersister;
@@ -37,6 +39,38 @@ public static void index() throws IOException {
 		hibernateIndex = JandexTestUtils.indexJar( Session.class );
 	}
 
+	@Nested
+	// Related Jira issue: https://hibernate.atlassian.net/browse/HHH-18974
+	class TypesNeedingRuntimeInitialization {
+		@ParameterizedTest
+		@EnumSource(TypesNeedingRuntimeInitialization_Category.class)
+		void containsAllExpectedClasses(TypesNeedingRuntimeInitialization_Category category) {
+			assertThat( StaticClassLists.typesNeedingRuntimeInitialization() )
+					.containsAll( category.classes().collect( Collectors.toSet() ) );
+		}
+
+		@Test
+		void meta_noMissingTestCategory() {
+			assertThat( Arrays.stream( TypesNeedingRuntimeInitialization_Category.values() ).flatMap( TypesNeedingRuntimeInitialization_Category::classes ) )
+					.as( "If this fails, a category is missing in " + TypesNeedingRuntimeInitialization_Category.class )
+					.contains( StaticClassLists.typesNeedingRuntimeInitialization() );
+		}
+	}
+
+	enum TypesNeedingRuntimeInitialization_Category {
+		UUID_STRATGY_HOLDERS_USING_SECURE_RANDOM {
+			@Override
+			Stream<Class<?>> classes() {
+				return Stream.of(
+						UuidVersion6Strategy.Holder.class,
+						UuidVersion7Strategy.Holder.class
+				);
+			}
+		};
+
+		abstract Stream<Class<?>> classes();
+	}
+
 	@Nested
 	class TypesNeedingAllConstructorsAccessible {
 		@ParameterizedTest