HHH-15281 Add test for issue

hibernate-core/src/test/java/org/hibernate/test/batch/BatchNoUseJdbcMetadataTest.java

@@ -0,0 +1,82 @@
+package org.hibernate.test.batch;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.cfg.Configuration;
+import org.hibernate.cfg.Environment;
+import org.hibernate.dialect.H2Dialect;
+
+import org.hibernate.testing.RequiresDialect;
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.jdbc.SQLStatementInspector;
+import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
+import org.junit.Test;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+
+@TestForIssue(jiraKey = "HHH-15281")
+@RequiresDialect(H2Dialect.class)
+public class BatchNoUseJdbcMetadataTest extends BaseCoreFunctionalTestCase {
+
+	private final SQLStatementInspector sqlStatementInterceptor = new SQLStatementInspector();
+	@Override
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class[] { Person.class };
+	}
+
+	@Override
+	protected void configure(Configuration configuration) {
+		configuration.setProperty( AvailableSettings.STATEMENT_BATCH_SIZE, "5" );
+		configuration.setProperty( "hibernate.temp.use_jdbc_metadata_defaults", "false" );
+		configuration.getProperties().put( Environment.STATEMENT_INSPECTOR, sqlStatementInterceptor );
+	}
+
+	@Test
+	public void testBatching() {
+		sqlStatementInterceptor.clear();
+		inTransaction(
+				session -> {
+					for ( int i = 0; i < 11; i++ ) {
+						Person entity = new Person();
+						entity.setId( i );
+						entity.setName( Integer.toString( i ) );
+						session.persist( entity );
+					}
+				}
+		);
+		sqlStatementInterceptor.assertExecutedCount( 1 );
+		inSession(
+				session ->
+						assertThat( session.getConfiguredJdbcBatchSize() ).isEqualTo( 5 )
+		);
+	}
+
+	@Entity(name = "Person")
+	@Table(name = "PERSON_TABLE")
+	public static class Person {
+
+		@Id
+		private Integer id;
+
+		private String name;
+
+		public Integer getId() {
+			return id;
+		}
+
+		public void setId(Integer oid) {
+			this.id = oid;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+	}
+}