/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.type.descriptor.sql;
import java.sql.Clob;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.junit.Test;
import org.hibernate.engine.jdbc.LobCreator;
import org.hibernate.engine.jdbc.NonContextualLobCreator;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.hibernate.type.descriptor.ValueBinder;
import org.hibernate.type.descriptor.ValueExtractor;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.StringTypeDescriptor;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
/**
* @author Steve Ebersole
*/
public class StringValueMappingTest extends BaseUnitTestCase {
private final StringTypeDescriptor stringJavaDescriptor = new StringTypeDescriptor();
private final VarcharTypeDescriptor varcharSqlDescriptor = new VarcharTypeDescriptor();
private final ClobTypeDescriptor clobSqlDescriptor = ClobTypeDescriptor.DEFAULT;
private final WrapperOptions wrapperOptions = new WrapperOptions() {
public boolean useStreamForLobBinding() {
return false;
}
public LobCreator getLobCreator() {
return NonContextualLobCreator.INSTANCE;
}
public SqlTypeDescriptor remapSqlTypeDescriptor(SqlTypeDescriptor sqlTypeDescriptor) {
return sqlTypeDescriptor;
}
};
public static final String COLUMN_NAME = "n/a";
public static final int BIND_POSITION = -1;
@Test
public void testNormalVarcharHandling() throws SQLException {
final ValueExtractor<String> extractor = varcharSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = varcharSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = "string value";
ResultSet resultSet = ResultSetProxy.generateProxy( fixture );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertEquals( fixture, value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( fixture );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
@Test
public void testNullVarcharHandling() throws SQLException {
final ValueExtractor<String> extractor = varcharSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = varcharSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = null;
ResultSet resultSet = ResultSetProxy.generateProxy( fixture );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertEquals( fixture, value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( fixture );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
@Test
public void testNormalClobHandling() throws SQLException {
final ValueExtractor<String> extractor = clobSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = clobSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = "clob string";
final Clob clob = new StringClobImpl( fixture );
ResultSet resultSet = ResultSetProxy.generateProxy( clob );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertEquals( fixture, value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( clob );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
@Test
public void testNullClobHandling() throws SQLException {
final ValueExtractor<String> extractor = clobSqlDescriptor.getExtractor( stringJavaDescriptor );
final ValueBinder<String> binder = clobSqlDescriptor.getBinder( stringJavaDescriptor );
final String fixture = null;
final Clob clob = null;
ResultSet resultSet = ResultSetProxy.generateProxy( clob );
final String value = extractor.extract( resultSet, COLUMN_NAME, wrapperOptions );
assertNull( value );
PreparedStatement ps = PreparedStatementProxy.generateProxy( clob );
binder.bind( ps, fixture, BIND_POSITION, wrapperOptions );
}
}