HHH-15742 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/mapping/converted/converter/QueryConvertedAttributeTest.java

@@ -0,0 +1,127 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.orm.test.mapping.converted.converter;
+
+import java.time.Year;
+import java.util.List;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import jakarta.persistence.AttributeConverter;
+import jakarta.persistence.Column;
+import jakarta.persistence.Convert;
+import jakarta.persistence.Converter;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.TypedQuery;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author Marco Belladelli
+ */
+@TestForIssue( jiraKey = "HHH-15742")
+public class QueryConvertedAttributeTest extends BaseNonConfigCoreFunctionalTestCase {
+
+	@Override
+	public Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] {
+				EntityA.class,
+		};
+	}
+
+	@Before
+	public void prepare() {
+		inTransaction( s -> {
+			EntityA entityA1 = new EntityA( 1, Year.parse("2022") );
+			EntityA entityA2 = new EntityA( 2, Year.parse("2021") );
+			EntityA entityA3 = new EntityA( 3, null );
+			s.persist( entityA1 );
+			s.persist( entityA2 );
+			s.persist( entityA3 );
+		} );
+	}
+
+	@After
+	public void tearDown() {
+		inTransaction( s -> {
+			s.createMutationQuery( "delete entitya" ).executeUpdate();
+		} );
+	}
+
+	@Test
+	public void testQueryConvertedAttribute() {
+		inTransaction( s -> {
+			TypedQuery<EntityA> query = s.createQuery( "from entitya" , EntityA.class);
+			List<EntityA> resultList = query.getResultList();
+			assertEquals(3, resultList.size());
+		} );
+
+		inTransaction( s -> {
+			TypedQuery<EntityA> query = s.createQuery(
+					"from entitya a where :year is null or a.year = :year",
+					EntityA.class
+			);
+			query.setParameter( "year", Year.parse( "2022" ) );
+
+			List<EntityA> resultList = query.getResultList();
+			assertEquals(1, resultList.size());
+			assertEquals(1, resultList.get( 0 ).getId());
+			assertEquals("2022", resultList.get( 0 ).getYear().toString());
+		} );
+	}
+
+	@Entity(name = "entitya")
+	public static class EntityA {
+		@Id
+		private Integer id;
+
+		@Column(name = "year_attribute")
+		@Convert(converter = YearConverter.class)
+		private Year year;
+
+		public EntityA() {
+		}
+
+		public EntityA(Integer id, Year year) {
+			this.id = id;
+			this.year = year;
+		}
+
+		public Integer getId() {
+			return id;
+		}
+
+		public void setId(Integer id) {
+			this.id = id;
+		}
+
+		public Year getYear() {
+			return year;
+		}
+
+		public void setYear(Year year) {
+			this.year = year;
+		}
+	}
+
+	@Converter
+	public static class YearConverter implements AttributeConverter<Year, String> {
+		@Override
+		public String convertToDatabaseColumn(Year attribute) {
+			return attribute != null ? attribute.toString() : null;
+		}
+		@Override
+		public Year convertToEntityAttribute(String dbData) {
+			return dbData != null ? Year.parse( dbData ) : null;
+		}
+	}
+}