HHH-15498 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/ops/EnumsParameterTest.java

@@ -0,0 +1,255 @@
+/*
+ * 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.ops;
+
+import java.util.List;
+
+import org.hibernate.annotations.OnDelete;
+import org.hibernate.annotations.OnDeleteAction;
+import org.hibernate.query.Query;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EnumType;
+import jakarta.persistence.Enumerated;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@DomainModel(
+		annotatedClasses = {
+				EnumsParameterTest.Event.class,
+				EnumsParameterTest.Organizer.class,
+				EnumsParameterTest.Customer.class,
+		}
+)
+@SessionFactory
+@TestForIssue(jiraKey = "HHH-15498")
+public class EnumsParameterTest {
+
+	@BeforeEach
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					Organizer organizer = new Organizer( 1L, "Test Organizer" );
+					Event event = new Event( 1L, "Test Event", organizer, Type.INDOOR );
+					Event nullEvent = new Event( 2L, "Null Event", null, Type.OUTDOOR );
+					session.persist( organizer );
+					session.persist( event );
+					session.persist( nullEvent );
+				}
+		);
+	}
+
+	@AfterEach
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.createMutationQuery( "delete from Event" ).executeUpdate();
+					session.createMutationQuery( "delete from Organizer" ).executeUpdate();
+				}
+		);
+	}
+
+	@Test
+	public void testDeleteByEventType(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.createMutationQuery( "DELETE FROM Event WHERE (:type IS NULL OR type = :type)" )
+							.setParameter( "type", Type.INDOOR )
+							.executeUpdate();
+				}
+		);
+
+		scope.inTransaction(
+				session -> {
+					List<Event> events = session.createQuery( "select e FROM Event e", Event.class )
+							.list();
+					assertThat( events.size() ).isEqualTo( 1 );
+				}
+		);
+	}
+
+	@Test
+	public void testDelete(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.createMutationQuery(
+									"DELETE FROM Event WHERE (cast(:type as String) IS NULL OR type = :type)" )
+							.setParameter( "type", null )
+							.executeUpdate();
+				}
+		);
+
+		scope.inTransaction(
+				session -> {
+					List<Event> events = session.createQuery( "select e FROM Event e", Event.class )
+							.list();
+					assertThat( events.size() ).isEqualTo( 0 );
+				}
+		);
+	}
+
+	@Test
+	public void testSelect(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					Query query = session.createQuery(
+							"SELECT c FROM Customer c WHERE (:phoneType IS NULL OR c.type = :phoneType)",
+							Customer.class
+					);
+					query.setParameter( "phoneType", Customer.PhoneType.LAND_LINE );
+					List<Customer> customerList = query.getResultList();
+				}
+		);
+	}
+
+	@Entity(name = "Organizer")
+	@Table(name = "ORGANIZER_TABLE")
+	public static class Organizer {
+		@Id
+		private Long id;
+
+		private String name;
+
+		public Organizer() {
+		}
+
+		public Organizer(Long id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+
+		public Long getId() {
+			return id;
+		}
+
+		public void setId(Long id) {
+			this.id = id;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+	}
+
+	@Entity(name = "Event")
+	@Table(name = "EVENT_CLASS")
+	public static class Event {
+		@Id
+		private Long id;
+
+		private String name;
+
+		@Column(name = "TYPE_COLUMN", nullable = false)
+		@Enumerated(EnumType.STRING)
+		private Type type;
+
+		@ManyToOne(fetch = FetchType.LAZY)
+		@OnDelete(action = OnDeleteAction.CASCADE)
+		@JoinColumn(name = "OrganizerId", referencedColumnName = "Id")
+		private Organizer organizer;
+
+		public Event() {
+		}
+
+		public Event(Long id, String name, Organizer organizer, Type type) {
+			this.id = id;
+			this.name = name;
+			this.organizer = organizer;
+			this.type = type;
+		}
+
+		public Long getId() {
+			return id;
+		}
+
+		public void setId(Long id) {
+			this.id = id;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		public Organizer getOrganizer() {
+			return organizer;
+		}
+
+		public void setOrganizer(Organizer organizer) {
+			this.organizer = organizer;
+		}
+
+		public Type getType() {
+			return type;
+		}
+
+		public Event setType(Type type) {
+			this.type = type;
+			return this;
+		}
+	}
+
+	enum Type {
+		INDOOR, OUTDOOR
+	}
+
+	@Entity(name = "Customer")
+	@Table(name = "CUSTOMER")
+	public static class Customer {
+
+		@Id
+		@Column(name = "id")
+		int id;
+
+		@Enumerated(EnumType.STRING)
+		@Column(name = "type")
+		private PhoneType type;
+
+		public int getId() {
+			return id;
+		}
+
+		public void setId(int id) {
+			this.id = id;
+		}
+
+		public PhoneType getType() {
+			return type;
+		}
+
+		public void setType(PhoneType type) {
+			this.type = type;
+		}
+
+		public enum PhoneType {
+			MOBILE,
+			LAND_LINE;
+		}
+	}
+
+}