HHH-18563 Add test for issue

Author: dreab8

hibernate-core/src/test/java/org/hibernate/orm/test/flush/AutoFlushOnUpdateQueryTest.java

@@ -0,0 +1,148 @@
+package org.hibernate.orm.test.flush;
+
+import org.hibernate.testing.jdbc.SQLStatementInspector;
+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.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.OneToOne;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+
+@DomainModel(
+		annotatedClasses = {
+				AutoFlushOnUpdateQueryTest.FruitLogEntry.class,
+				AutoFlushOnUpdateQueryTest.Fruit.class,
+		}
+)
+@SessionFactory(
+		statementInspectorClass = SQLStatementInspector.class
+)
+public class AutoFlushOnUpdateQueryTest {
+
+	public static final String FRUIT_NAME = "Apple";
+
+	@BeforeEach
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.persist( new Fruit( FRUIT_NAME ) );
+				}
+		);
+	}
+
+	@AfterEach
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction(
+				session -> {
+					session.createMutationQuery( "delete from Fruit" ).executeUpdate();
+					session.createMutationQuery( "delete from FruitLogEntry" ).executeUpdate();
+				}
+		);
+	}
+
+	@Test
+	public void testFlushIsExecuted(SessionFactoryScope scope) {
+		SQLStatementInspector statementInspector = scope.getStatementInspector( SQLStatementInspector.class );
+		statementInspector.clear();
+		scope.inTransaction(
+				session -> {
+					Fruit fruit = session
+							.createQuery(
+									"select f from Fruit f where f.name = :name",
+									Fruit.class
+							).setParameter( "name", FRUIT_NAME ).getSingleResult();
+
+					FruitLogEntry logEntry = new FruitLogEntry( fruit, "foo" );
+					session.persist( logEntry );
+
+					session.createMutationQuery( "update Fruit f set f.logEntry = :logEntry where f.id = :fruitId" )
+							.setParameter( "logEntry", logEntry )
+							.setParameter( "fruitId", fruit.getId() ).executeUpdate();
+				}
+		);
+
+		scope.inTransaction(
+				session -> {
+					Fruit fruit = session
+							.createQuery(
+									"select f from Fruit f where f.name = :name",
+									Fruit.class
+							).setParameter( "name", FRUIT_NAME ).getSingleResult();
+					assertThat( fruit.getLogEntry() ).isNotNull();
+				}
+		);
+	}
+
+	@Entity(name = "Fruit")
+	public static class Fruit {
+
+		@Id
+		@GeneratedValue
+		private Long id;
+
+		private String name;
+
+		@OneToOne
+		private FruitLogEntry logEntry;
+
+		public Fruit() {
+		}
+
+		public Fruit(String name) {
+			this.name = name;
+		}
+
+		public Long getId() {
+			return id;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public FruitLogEntry getLogEntry() {
+			return logEntry;
+		}
+	}
+
+	@Entity(name = "FruitLogEntry")
+	public static class FruitLogEntry {
+
+		@Id
+		@GeneratedValue
+		private Long id;
+
+		@OneToOne(mappedBy = "logEntry")
+		private Fruit fruit;
+
+		private String logComments;
+
+		public FruitLogEntry(Fruit fruit, String comment) {
+			this.fruit = fruit;
+			this.logComments = comment;
+		}
+
+		FruitLogEntry() {
+		}
+
+		public Long getId() {
+			return id;
+		}
+
+		public Fruit getFruit() {
+			return fruit;
+		}
+
+		public String getLogComments() {
+			return logComments;
+		}
+	}
+}