add better test for TypedQueryReference in metamodel

Author: sebersole

tooling/metamodel-generator/src/test/java/org/hibernate/processor/test/namedquery/AuxiliaryTest.java

@@ -5,14 +5,20 @@
 package org.hibernate.processor.test.namedquery;
 
 import jakarta.persistence.EntityManager;
+import jakarta.persistence.TypedQueryReference;
 import org.hibernate.processor.test.util.CompilationTest;
 import org.hibernate.processor.test.util.TestUtil;
 import org.hibernate.processor.test.util.WithClasses;
 import org.junit.Test;
 
+import java.lang.reflect.ParameterizedType;
+
 import static org.hibernate.processor.test.util.TestUtil.assertMetamodelClassGeneratedFor;
+import static org.hibernate.processor.test.util.TestUtil.assertPresenceOfFieldInMetamodelFor;
 import static org.hibernate.processor.test.util.TestUtil.assertPresenceOfMethodInMetamodelFor;
 import static org.hibernate.processor.test.util.TestUtil.assertPresenceOfNameFieldInMetamodelFor;
+import static org.hibernate.processor.test.util.TestUtil.getFieldFromMetamodelFor;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * @author Gavin King
@@ -129,5 +135,31 @@ public void test() {
 				Object.class,
 				Object.class
 		);
+
+		checkTypedQueryReference( "QUERY_TITLES_WITH_ISBNS", "_titlesWithIsbns_", Object[].class );
+		checkTypedQueryReference( "QUERY_TITLES_AND_ISBNS_AS_RECORD", "_titlesAndIsbnsAsRecord_", TitleAndIsbn.class );
+		checkTypedQueryReference( "QUERY_TYPE_OF_BOOK", "__typeOfBook_", Type.class );
+		checkTypedQueryReference( "QUERY_GET_TITLES", "__getTitles_", String.class );
+		checkTypedQueryReference( "QUERY_GET_UPPER_LOWER_TITLES", "__getUpperLowerTitles_", Object[].class );
+		checkTypedQueryReference( "QUERY_BOOKS_BY_TITLE", "_booksByTitle_", Book.class );
+		checkTypedQueryReference( "QUERY_BOOKS_BY_TITLE_VERBOSE", "_booksByTitleVerbose_", Book.class );
+	}
+
+	private static void checkTypedQueryReference(String NAME, String name, Class<?> type) {
+		assertPresenceOfNameFieldInMetamodelFor(
+				Book.class,
+				NAME,
+				"Missing named query attribute."
+		);
+		assertPresenceOfFieldInMetamodelFor(
+				Book.class,
+				name,
+				"Missing typed query reference."
+		);
+		ParameterizedType fieldType = (ParameterizedType)
+				getFieldFromMetamodelFor( Book.class, name )
+						.getGenericType();
+		assertEquals(TypedQueryReference.class, fieldType.getRawType());
+		assertEquals( type, fieldType.getActualTypeArguments()[0]);
 	}
 }

tooling/metamodel-generator/src/test/java/org/hibernate/processor/test/namedquery/Book.java

@@ -23,6 +23,8 @@
 		query = "select book from Book book where book.title like :titlePattern and book.type = :type")
 @NamedQuery(name = "#getTitles",
 		query = "select title from Book")
+@NamedQuery(name = "titlesAndIsbnsAsRecord",
+		query = "select new org.hibernate.processor.test.namedquery.TitleAndIsbn(title,isbn) from Book")
 @NamedQuery(name = "#getUpperLowerTitles",
 		query = "select upper(title), lower(title), length(title) from Book")
 @NamedQuery(name = "#typeOfBook",

tooling/metamodel-generator/src/test/java/org/hibernate/processor/test/namedquery/TitleAndIsbn.java

@@ -0,0 +1,23 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.processor.test.namedquery;
+
+public final class TitleAndIsbn {
+	private final String title;
+	private final String isbn;
+
+	public TitleAndIsbn(String title, String isbn) {
+		this.title = title;
+		this.isbn = isbn;
+	}
+
+	public String title() {
+		return title;
+	}
+
+	public String isbn() {
+		return isbn;
+	}
+}