HHH-15823 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/jpa/criteria/convert/ConvertedAttributeConcatTest.java

@@ -0,0 +1,104 @@
+/*
+ * 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.jpa.criteria.convert;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import org.hibernate.Session;
+import org.hibernate.cfg.AvailableSettings;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.ServiceRegistry;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.Setting;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.AttributeConverter;
+import jakarta.persistence.Convert;
+import jakarta.persistence.Converter;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.criteria.CriteriaBuilder;
+import jakarta.persistence.criteria.CriteriaQuery;
+import jakarta.persistence.criteria.Root;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+/**
+ * @author Marco Belladelli
+ */
+@TestForIssue(jiraKey = "HHH-15823")
+@DomainModel(annotatedClasses = ConvertedAttributeConcatTest.Post.class)
+public class ConvertedAttributeConcatTest {
+	@Test
+	@ServiceRegistry(settings = {
+			@Setting(name = AvailableSettings.CRITERIA_VALUE_HANDLING_MODE, value = "inline")
+	})
+	@SessionFactory
+	public void testConvertedAttributeConcatInline(SessionFactoryScope scope) {
+		scope.inTransaction( this::executeTestQuery );
+	}
+
+	@Test
+	@ServiceRegistry(settings = {
+			@Setting(name = AvailableSettings.CRITERIA_VALUE_HANDLING_MODE, value = "bind")
+	})
+	@SessionFactory
+	public void testConvertedAttributeConcatBind(SessionFactoryScope scope) {
+		scope.inTransaction( this::executeTestQuery );
+	}
+
+	private void executeTestQuery(Session session) {
+		CriteriaBuilder cb = session.getCriteriaBuilder();
+		CriteriaQuery<Post> query = cb.createQuery( Post.class );
+		Root<Post> root = query.from( Post.class );
+		query.select( root ).where( cb.like( cb.concat( ",", root.get( "tags" ) ), "%foo%" ) );
+		assertNotNull( session.createQuery( query ).getResultList() );
+	}
+
+	@Entity(name = "Post")
+	public static class Post {
+		@Id
+		private Long id;
+
+		@Convert(converter = StringSetConverter.class)
+		private Set<String> tags;
+
+		public Long getId() {
+			return id;
+		}
+
+		public void setId(Long id) {
+			this.id = id;
+		}
+
+		public Set<String> getTags() {
+			return tags;
+		}
+
+		public void setTags(Set<String> tags) {
+			this.tags = tags;
+		}
+	}
+
+	@Converter
+	public static class StringSetConverter implements AttributeConverter<Set<String>, String> {
+		@Override
+		public String convertToDatabaseColumn(Set<String> attribute) {
+			return attribute == null ? null : String.join( ",", attribute );
+		}
+
+		@Override
+		public Set<String> convertToEntityAttribute(String dbData) {
+			return dbData == null ? null : new LinkedHashSet<>( Arrays.asList( dbData.split( "," ) ) );
+		}
+	}
+}