HHH-17225 Add test for issue

Author: mbellade

hibernate-core/src/test/java/org/hibernate/orm/test/query/SelectForeignKeyWithMissingFromTest.java

@@ -0,0 +1,85 @@
+/*
+ * 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.query;
+
+import org.hibernate.testing.orm.domain.gambit.EntityWithOneToOne;
+import org.hibernate.testing.orm.domain.gambit.SimpleEntity;
+import org.hibernate.testing.orm.junit.DialectFeatureChecks;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.RequiresDialectFeature;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@SessionFactory
+@DomainModel( annotatedClasses = { SimpleEntity.class, EntityWithOneToOne.class } )
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17225" )
+public class SelectForeignKeyWithMissingFromTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.persist( new SimpleEntity( 1, "test" ) ) );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.createMutationQuery( "delete from SimpleEntity" ).executeUpdate() );
+	}
+
+	@Test
+	public void testRightJoin(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final Integer result = session.createQuery(
+					"select o.id from EntityWithOneToOne e right join e.other o",
+					Integer.class
+			).getSingleResult();
+			assertThat( result ).isEqualTo( 1 );
+		} );
+	}
+
+	@Test
+	public void testRightJoinEntityPath(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final SimpleEntity result = session.createQuery(
+					"select o from EntityWithOneToOne e right join e.other o",
+					SimpleEntity.class
+			).getSingleResult();
+			assertThat( result.getId() ).isEqualTo( 1 );
+		} );
+	}
+
+	@Test
+	@RequiresDialectFeature( feature = DialectFeatureChecks.SupportsFullJoin.class )
+	public void testFullJoin(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final Integer result = session.createQuery(
+					"select o.id from EntityWithOneToOne e full join e.other o",
+					Integer.class
+			).getSingleResult();
+			assertThat( result ).isEqualTo( 1 );
+		} );
+	}
+
+	@Test
+	@RequiresDialectFeature( feature = DialectFeatureChecks.SupportsFullJoin.class )
+	public void testFullJoinEntityPath(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final SimpleEntity result = session.createQuery(
+					"select o from EntityWithOneToOne e full join e.other o",
+					SimpleEntity.class
+			).getSingleResult();
+			assertThat( result.getId() ).isEqualTo( 1 );
+		} );
+	}
+}