HHH-10780 - Provide a PrimitiveByteArrayTypeDescriptor toString implementation

hibernate-core/src/main/java/org/hibernate/type/descriptor/java/PrimitiveByteArrayTypeDescriptor.java

@@ -57,6 +57,11 @@ public class PrimitiveByteArrayTypeDescriptor extends AbstractTypeDescriptor<byt
 		return buf.toString();
 	}
 
+	@Override
+	public String extractLoggableRepresentation(byte[] value) {
+		return (value == null) ? super.extractLoggableRepresentation( null ) : Arrays.toString( value );
+	}
+
 	public byte[] fromString(String string) {
 		if ( string == null ) {
 			return null;

hibernate-core/src/test/java/org/hibernate/test/type/BinaryTypeTest.java

@@ -0,0 +1,84 @@
+/*
+ * 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.test.type;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+import org.hibernate.Session;
+import org.hibernate.resource.transaction.spi.TransactionStatus;
+
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.junit.Test;
+
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.fail;
+
+/**
+ * @author Vlad MIhalcea
+ */
+public class BinaryTypeTest extends BaseNonConfigCoreFunctionalTestCase {
+	@Override
+	protected Class[] getAnnotatedClasses() {
+		return new Class[] {Image.class};
+	}
+
+	@Test
+	public void testByteArrayStringRepresentation() {
+		Session s = openSession();
+		s.getTransaction().begin();
+		try {
+			Image image = new Image();
+			image.id = 1L;
+			image.content = new byte[] {1, 2, 3};
+
+			s.save( image );
+			s.getTransaction().commit();
+		}
+		catch (Exception e) {
+			if ( s.getTransaction() != null && s.getTransaction().getStatus() == TransactionStatus.ACTIVE ) {
+				s.getTransaction().rollback();
+			}
+			fail( e.getMessage() );
+		}
+		finally {
+			s.close();
+		}
+
+		s = openSession();
+		s.getTransaction().begin();
+		try {
+			assertArrayEquals( new byte[] {1, 2, 3}, s.find( Image.class, 1L ).content );
+			s.getTransaction().commit();
+		}
+		catch (Exception e) {
+			if ( s.getTransaction() != null && s.getTransaction().getStatus() == TransactionStatus.ACTIVE ) {
+				s.getTransaction().rollback();
+			}
+			fail( e.getMessage() );
+		}
+		finally {
+			s.close();
+		}
+	}
+
+	@Entity(name = "Image")
+	public static class Image {
+
+		@Id
+		private Long id;
+
+		@Column(name = "content")
+		private byte[] content;
+	}
+
+	@Override
+	protected boolean isCleanupTestDataRequired() {
+		return true;
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/type/descriptor/java/PrimitiveByteArrayDescriptorTest.java

@@ -0,0 +1,46 @@
+/*
+ * 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.test.type.descriptor.java;
+
+import org.hibernate.type.descriptor.java.PrimitiveByteArrayTypeDescriptor;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Vlad Mihalcea
+ */
+public class PrimitiveByteArrayDescriptorTest extends AbstractDescriptorTest<byte[]> {
+
+	private final byte[] original = new byte[] {1, 2, 3};
+
+	private final byte[] copy = new byte[] {1, 2, 3};
+
+	private final byte[] different = new byte[] {3, 2, 1};
+
+	public PrimitiveByteArrayDescriptorTest() {
+		super( PrimitiveByteArrayTypeDescriptor.INSTANCE );
+	}
+
+	@Override
+	protected Data<byte[]> getTestData() {
+		return new Data<>( original, copy, different );
+	}
+
+	@Override
+	protected boolean shouldBeMutable() {
+		return true;
+	}
+
+	@Test
+	public void testExtractLoggableRepresentation() {
+		assertEquals("null", PrimitiveByteArrayTypeDescriptor.INSTANCE.extractLoggableRepresentation(null));
+		assertEquals("[]", PrimitiveByteArrayTypeDescriptor.INSTANCE.extractLoggableRepresentation(new byte[] {} ));
+		assertEquals("[1, 2, 3]", PrimitiveByteArrayTypeDescriptor.INSTANCE.extractLoggableRepresentation(original));
+	}
+}