Hibernate example source code file (SQLExceptionConversionTest.java)

This example Hibernate source code file (SQLExceptionConversionTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

exception, insert, jdbc, non-existent, override, preparedstatement, session, sql, sqlexception, sqlexception, string, string, test, test, throwable, work

The Hibernate SQLExceptionConversionTest.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2011, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.test.exception;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import org.hibernate.Session;
import org.hibernate.dialect.MySQLMyISAMDialect;
import org.hibernate.exception.ConstraintViolationException;
import org.hibernate.exception.SQLGrammarException;
import org.hibernate.jdbc.Work;

import org.junit.Test;

import org.hibernate.testing.SkipForDialect;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;

import static org.junit.Assert.fail;

/**
 * Implementation of SQLExceptionConversionTest.
 *
 * @author Steve Ebersole
 */
public class SQLExceptionConversionTest extends BaseCoreFunctionalTestCase {
	public String[] getMappings() {
		return new String[] {"exception/User.hbm.xml", "exception/Group.hbm.xml"};
	}

	@Test
	@SkipForDialect(
			value = MySQLMyISAMDialect.class,
			comment = "MySQL (MyISAM) does not support FK violation checking"
	)
	public void testIntegrityViolation() throws Exception {
		Session session = openSession();
		session.beginTransaction();

		session.doWork(
				new Work() {
					@Override
					public void execute(Connection connection) throws SQLException {
						// Attempt to insert some bad values into the T_MEMBERSHIP table that should
						// result in a constraint violation
						PreparedStatement ps = null;
						try {
							ps = connection.prepareStatement("INSERT INTO T_MEMBERSHIP (user_id, group_id) VALUES (?, ?)");
							ps.setLong(1, 52134241);    // Non-existent user_id
							ps.setLong(2, 5342);        // Non-existent group_id
							ps.executeUpdate();

							fail("INSERT should have failed");
						}
						catch (ConstraintViolationException ignore) {
							// expected outcome
						}
						finally {
							if ( ps != null ) {
								try {
									ps.close();
								}
								catch( Throwable ignore ) {
									// ignore...
								}
							}
						}
					}
				}
		);

		session.getTransaction().rollback();
		session.close();
	}

	@Test
	public void testBadGrammar() throws Exception {
		Session session = openSession();
		session.beginTransaction();

		session.doWork(
				new Work() {
					@Override
					public void execute(Connection connection) throws SQLException {
						// prepare/execute a query against a non-existent table
						PreparedStatement ps = null;
						try {
							ps = connection.prepareStatement("SELECT user_id, user_name FROM tbl_no_there");
							ps.executeQuery();

							fail("SQL compilation should have failed");
						}
						catch (SQLGrammarException ignored) {
							// expected outcome
						}
						finally {
							if ( ps != null ) {
								try {
									ps.close();
								}
								catch( Throwable ignore ) {
									// ignore...
								}
							}
						}
					}
				}
		);

		session.getTransaction().rollback();
		session.close();
	}
}