HHH-12989 Make the test prove that everything is really working as expected

hibernate-core/src/test/java/org/hibernate/jpa/test/criteria/basic/InWithHeterogeneousCollectionTest.java

@@ -4,10 +4,14 @@
  * 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.query.criteria.internal;
+package org.hibernate.jpa.test.criteria.basic;
+
+import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
 
 import java.util.Arrays;
 import java.util.List;
+import java.util.Locale;
+
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Id;
@@ -18,17 +22,16 @@ import javax.persistence.criteria.Path;
 import javax.persistence.criteria.Root;
 
 import org.hibernate.dialect.H2Dialect;
-
 import org.hibernate.testing.RequiresDialect;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 import org.junit.Assert;
+import org.junit.Before;
 import org.junit.Test;
 
-import static org.hibernate.testing.transaction.TransactionUtil.doInHibernate;
-
 /**
  * @author Jeremy Carnus
+ * @author Guillaume Smet
  */
 @TestForIssue(jiraKey = "HHH-12989")
 public class InWithHeterogeneousCollectionTest extends BaseCoreFunctionalTestCase {
@@ -41,29 +44,34 @@ public class InWithHeterogeneousCollectionTest extends BaseCoreFunctionalTestCas
 
 			CriteriaQuery<Event> criteria = cb.createQuery( Event.class );
 
-			Root<Event> event = criteria.from( Event.class );
-			Path<String> name = event.get( "name" );
+			Root<Event> eventRoot = criteria.from( Event.class );
+			Path<String> namePath = eventRoot.get( "name" );
+			Path<String> tagPath = eventRoot.get( "tag" );
 
-			Expression<String> replaceName = cb.function(
-					"replace",
+			Expression<String> expression = cb.function(
+					"lower",
 					String.class,
-					name,
-					cb.literal( "a" ),
-					cb.literal( "a" )
-			);
+					namePath );
 
-			criteria.select( event );
-			criteria.where( name.in( Arrays.asList( replaceName, "1" ) ) );
+			criteria.select( eventRoot );
+			criteria.where( tagPath.in( Arrays.asList( expression, "my-tag" ) ) );
 			List<Event> resultList = session.createQuery( criteria ).getResultList();
 
-			Assert.assertNotNull( resultList );
+			Assert.assertEquals( 2, resultList.size() );
 		} );
 	}
 
+	@Before
+	public void setup() {
+		doInHibernate( this::sessionFactory, session -> {
+			session.save( new Event( 1L, "EventName1", "EventName1".toLowerCase( Locale.ROOT ) ) );
+			session.save( new Event( 2L, "EventName2", "my-tag" ) );
+		} );
+	}
 
 	@Override
-	protected Class[] getAnnotatedClasses() {
-		return new Class[] { Event.class };
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class[]{ Event.class };
 	}
 
 	@Entity(name = "Event")
@@ -75,15 +83,24 @@ public class InWithHeterogeneousCollectionTest extends BaseCoreFunctionalTestCas
 		@Column
 		private String name;
 
+		@Column
+		private String tag;
+
 		protected Event() {
 		}
 
+		public Event(Long id, String name, String tag) {
+			this.id = id;
+			this.name = name;
+			this.tag = tag;
+		}
+
 		public String getName() {
 			return name;
 		}
 
-		public void setName(String name) {
-			this.name = name;
+		public String getTag() {
+			return tag;
 		}
 	}
-}
+}