HHH-3319 Test for extra lazy ops on unowned one-to-many with restriction

Author: beikov

hibernate-core/src/test/java/org/hibernate/orm/test/collection/basic/CollectionOneToManySizeTest.java

@@ -0,0 +1,91 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.collection.basic;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.OneToMany;
+import org.hibernate.Hibernate;
+import org.hibernate.annotations.SQLRestriction;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.JiraKey;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+@DomainModel(
+		annotatedClasses = {
+				CollectionOneToManySizeTest.Order.class, CollectionOneToManySizeTest.OrderItem.class
+		}
+)
+@SessionFactory
+public class CollectionOneToManySizeTest {
+
+	@Test
+	@JiraKey("HHH-3319")
+	public void prepareData(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					Order o = new Order();
+					o.id = 1L;
+					o.orderItems = new HashSet<>();
+					OrderItem oi1 = new OrderItem();
+					oi1.id = 1L;
+					oi1.order = o;
+					OrderItem oi2 = new OrderItem();
+					oi2.id = 2L;
+					oi2.order = o;
+					oi2.status = 1;
+
+					o.orderItems.add( oi1 );
+					o.orderItems.add( oi2 );
+
+					session.persist( o );
+					session.persist( oi1 );
+					session.persist( oi2 );
+					session.flush();
+				}
+		);
+		scope.inTransaction(
+				session -> {
+					Order o = session.find( Order.class, 1L );
+
+					Set<OrderItem> orderItems = o.orderItems;
+					assertEquals( 1, Hibernate.size( orderItems ) );
+					assertTrue( Hibernate.contains( orderItems, session.getReference( OrderItem.class, 1L ) ) );
+					assertFalse( Hibernate.contains( orderItems, session.getReference( OrderItem.class, 2L ) ) );
+					assertFalse( Hibernate.isInitialized( orderItems ) );
+				}
+		);
+	}
+
+	@Entity
+	public static class Order {
+		@Id
+		Long id;
+		@OneToMany(mappedBy = "order")
+		@SQLRestriction("status=0")
+		Set<OrderItem> orderItems;
+	}
+
+	@Entity
+	public static class OrderItem {
+		@Id
+		Long id;
+		@ManyToOne(fetch = FetchType.LAZY)
+		Order order;
+		int status;
+	}
+
+}