HHH-7949 - Added test case.

hibernate-envers/src/test/java/org/hibernate/envers/test/integration/modifiedflags/HasChangedBidirectionalTest.java

@@ -0,0 +1,186 @@
+/*
+ * 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.envers.test.integration.modifiedflags;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+
+import org.hibernate.envers.Audited;
+import org.hibernate.envers.test.Priority;
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.transaction.TransactionUtil;
+import org.junit.Test;
+
+import static org.hibernate.envers.test.tools.TestTools.extractRevisionNumbers;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Chris Cranford
+ */
+@TestForIssue(jiraKey = "HHH-7949")
+public class HasChangedBidirectionalTest extends AbstractModifiedFlagsEntityTest {
+	@Override
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] { Ticket.class, Comment.class };
+	}
+
+	@Test
+	@Priority(10)
+	public void initData() throws Exception {
+		// Revision 1 | Create ticket with comments
+		TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
+			final Ticket ticket = new Ticket( 1, "data-t1" );
+			final Comment comment = new Comment( 1, "Initial comment-t1" );
+			ticket.addComment( comment );
+			entityManager.persist( comment );
+			entityManager.persist( ticket );
+		} );
+
+		// Revision 2 | Create ticket without comments
+		TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
+			final Ticket ticket = new Ticket( 2, "data-t2" );
+			entityManager.persist( ticket );
+		} );
+
+		// Revision 3 | Update ticket with comments
+		TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
+			final Ticket ticket = entityManager.find( Ticket.class, 1 );
+			ticket.setData( "data-changed-t1" );
+			entityManager.merge( ticket );
+		} );
+
+		// Revision 4 | Update ticket without comments
+		TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
+			final Ticket ticket = entityManager.find( Ticket.class, 2 );
+			ticket.setData( "data-changed-t2" );
+			entityManager.merge( ticket );
+		} );
+
+		// Revision 5 | Update ticket and comment
+		TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
+			final Ticket ticket = entityManager.find( Ticket.class, 1 );
+			ticket.setData( "data-changed-twice" );
+			ticket.getComments().get( 0 ).setText( "comment-modified" );
+			ticket.getComments().forEach( entityManager::merge );
+			entityManager.merge( ticket );
+		} );
+
+		// Revision 6 | Update ticket and comment collection
+		TransactionUtil.doInJPA( this::entityManagerFactory, entityManager -> {
+			final Ticket ticket = entityManager.find( Ticket.class, 1 );
+			final Comment comment = new Comment( 2, "Comment2" );
+			ticket.addComment( comment );
+			entityManager.merge( comment );
+			entityManager.merge( ticket );
+		} );
+	}
+
+	@Test
+	public void testRevisionCounts() {
+		assertEquals( Arrays.asList( 1, 3, 5, 6 ), getAuditReader().getRevisions( Ticket.class, 1 ) );
+		assertEquals( Arrays.asList( 2, 4 ), getAuditReader().getRevisions( Ticket.class, 2 ) );
+		assertEquals( Arrays.asList( 1, 5 ), getAuditReader().getRevisions( Comment.class, 1 ) );
+		assertEquals( Arrays.asList( 6 ), getAuditReader().getRevisions( Comment.class, 2 ) );
+	}
+
+	@Test
+	public void testHasChanged() {
+		assertEquals( Arrays.asList( 1, 6 ), extractRevisionNumbers( queryForPropertyHasChanged( Ticket.class, 1, "comments" ) ) );
+		assertEquals( Arrays.asList( 2 ), extractRevisionNumbers( queryForPropertyHasChanged( Ticket.class, 2, "comments" ) ) );
+	}
+
+	@Test
+	public void testHasNotChanged() {
+		assertEquals( Arrays.asList( 3, 5 ), extractRevisionNumbers( queryForPropertyHasNotChanged( Ticket.class, 1, "comments" ) ) );
+		assertEquals( Arrays.asList( 4 ), extractRevisionNumbers( queryForPropertyHasNotChanged( Ticket.class, 2, "comments" ) ) );
+	}
+
+	@Entity(name = "Ticket")
+	@Audited(withModifiedFlag = true)
+	public static class Ticket {
+		@Id
+		private Integer id;
+		private String data;
+		@OneToMany(mappedBy = "ticket")
+		private List<Comment> comments = new ArrayList<>();
+
+		Ticket() {
+
+		}
+
+		public Ticket(Integer id, String data) {
+			this.id = id;
+			this.data = data;
+		}
+
+		public Integer getId() {
+			return id;
+		}
+
+		public String getData() {
+			return data;
+		}
+
+		public void setData(String data) {
+			this.data = data;
+		}
+
+		public List<Comment> getComments() {
+			return comments;
+		}
+
+		public void addComment(Comment comment) {
+			comment.setTicket( this );
+			comments.add( comment );
+		}
+	}
+
+	@Entity(name = "Comment")
+	@Audited(withModifiedFlag = true)
+	public static class Comment {
+		@Id
+		private Integer id;
+		@ManyToOne
+		private Ticket ticket;
+		private String text;
+
+		Comment() {
+
+		}
+
+		public Comment(Integer id, String text) {
+			this.id = id;
+			this.text = text;
+		}
+
+		public Integer getId() {
+			return id;
+		}
+
+		public Ticket getTicket() {
+			return ticket;
+		}
+
+		public void setTicket(Ticket ticket) {
+			this.ticket = ticket;
+		}
+
+		public String getText() {
+			return text;
+		}
+
+		public void setText(String text) {
+			this.text = text;
+		}
+	}
+}