HHH-17528 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/embeddable/OneToManyInEmbeddedQueryTest.java

@@ -0,0 +1,162 @@
+package org.hibernate.orm.test.embeddable;
+
+import java.io.Serializable;
+import java.util.List;
+
+import org.hibernate.query.SemanticException;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+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 jakarta.persistence.CascadeType;
+import jakarta.persistence.Embeddable;
+import jakarta.persistence.Embedded;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.OneToMany;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.fail;
+
+@DomainModel( annotatedClasses = {
+		OneToManyInEmbeddedQueryTest.EntityA.class,
+		OneToManyInEmbeddedQueryTest.EntityC.class,
+} )
+@SessionFactory
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17528" )
+public class OneToManyInEmbeddedQueryTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final EntityC entityC1 = new EntityC( "entityc_1" );
+			final EntityC entityC2 = new EntityC( "entityc_2" );
+			final EntityC entityC3 = new EntityC( "entityc_3" );
+			final EntityA entityA1 = new EntityA( 1, "entitya_1", new EmbeddedValue( List.of( entityC1, entityC2 ) ) );
+			final EntityA entityA2 = new EntityA( 2, "entitya_2", new EmbeddedValue( List.of( entityC3 ) ) );
+			session.persist( entityA1 );
+			session.persist( entityA2 );
+		} );
+	}
+
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			session.createMutationQuery( "delete from EntityC" ).executeUpdate();
+			session.createMutationQuery( "delete from EntityA" ).executeUpdate();
+		} );
+	}
+
+	@Test
+	public void testSelectEntity(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final EntityA entityA = session.createQuery(
+					"select a from EntityA a where a.id = 1",
+					EntityA.class
+			).getSingleResult();
+			assertThat( entityA.getEmbedded().getEntityCList().stream().map( EntityC::getName ) ).containsOnly(
+					"entityc_1",
+					"entityc_2"
+			);
+			// test orphan removal
+			entityA.getEmbedded().getEntityCList().clear();
+		} );
+		scope.inSession( session -> {
+			final List<EntityC> entityCList = session.createQuery( "from EntityC", EntityC.class ).getResultList();
+			assertThat( entityCList.stream().map( EntityC::getName ) ).doesNotContain( "entityc_1", "entityc_2" );
+		} );
+	}
+
+	@Test
+	public void testSelectEmbedded(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			try {
+				session.createQuery(
+						"select a.embedded from EntityA a where a.id = 2",
+						EmbeddedValue.class
+				).getSingleResult();
+				fail( "Should throw SemanticException" );
+			}
+			catch (Exception e) {
+				final Throwable cause = e.getCause();
+				assertThat( cause ).isInstanceOf( SemanticException.class );
+				assertThat( cause.getMessage() ).contains(
+						"selection of an embeddable containing collections is not supported"
+				);
+			}
+		} );
+	}
+
+	@Entity( name = "EntityA" )
+	public static class EntityA {
+		@Id
+		private Integer id;
+
+		private String name;
+
+		@Embedded
+		private EmbeddedValue embedded;
+
+		public EntityA() {
+		}
+
+		private EntityA(Integer id, String name, EmbeddedValue embedded) {
+			this.id = id;
+			this.name = name;
+			this.embedded = embedded;
+		}
+
+		public Integer getId() {
+			return id;
+		}
+
+		public EmbeddedValue getEmbedded() {
+			return embedded;
+		}
+	}
+
+	@Embeddable
+	public static class EmbeddedValue implements Serializable {
+		@OneToMany( cascade = CascadeType.ALL, orphanRemoval = true, fetch = FetchType.EAGER )
+		@JoinColumn( name = "entityA_id" )
+		private List<EntityC> entityCList;
+
+		public EmbeddedValue() {
+		}
+
+		public EmbeddedValue(List<EntityC> entityCList) {
+			this.entityCList = entityCList;
+		}
+
+		public List<EntityC> getEntityCList() {
+			return entityCList;
+		}
+	}
+
+	@Entity( name = "EntityC" )
+	public static class EntityC {
+		@Id
+		@GeneratedValue
+		private Integer id;
+
+		private String name;
+
+		public EntityC() {
+		}
+
+		public EntityC(String name) {
+			this.name = name;
+		}
+
+		public String getName() {
+			return name;
+		}
+	}
+}