/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.linkedin.pinot.client;
import java.util.concurrent.Future;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
* Tests for prepared statement escaping
*
*/
public class PreparedStatementTest {
@Test
public void testPreparedStatementEscaping() {
// Create a prepared statement that has to quote a string appropriately
Connection connection = ConnectionFactory.fromHostList("dummy");
PreparedStatement preparedStatement = connection.prepareStatement("SELECT foo FROM bar WHERE baz = ?");
preparedStatement.setString(0, "'hello'");
preparedStatement.execute();
// Check that the query sent is appropriately escaped
Assert.assertEquals("SELECT foo FROM bar WHERE baz = '''hello'''", _dummyPinotClientTransport.getLastQuery());
}
private DummyPinotClientTransport _dummyPinotClientTransport = new DummyPinotClientTransport();
private PinotClientTransportFactory _previousTransportFactory = null;
class DummyPinotClientTransport implements PinotClientTransport {
private String _lastQuery;
@Override
public BrokerResponse executeQuery(String brokerAddress, String query)
throws PinotClientException {
_lastQuery = query;
return BrokerResponse.empty();
}
@Override
public Future<BrokerResponse> executeQueryAsync(String brokerAddress, String query)
throws PinotClientException {
_lastQuery = query;
return null;
}
public String getLastQuery() {
return _lastQuery;
}
}
class DummyPinotClientTransportFactory implements PinotClientTransportFactory {
@Override
public PinotClientTransport buildTransport() {
return _dummyPinotClientTransport;
}
}
@BeforeClass
public void overridePinotClientTransport() {
_previousTransportFactory = ConnectionFactory._transportFactory;
ConnectionFactory._transportFactory = new DummyPinotClientTransportFactory();
}
@AfterClass
public void resetPinotClientTransport() {
ConnectionFactory._transportFactory = _previousTransportFactory;
}
}