Commons DBCP example source code file (TestInstanceKeyDataSource.java)

This example Commons DBCP source code file (TestInstanceKeyDataSource.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 - Commons DBCP tags/keywords

driveradaptercpds, driveradaptercpds, exception, expecting, jdbc, sharedpooldatasource, sql, sqlexception, sqlexception, string, test, testcase, testinstancekeydatasource, testinstancekeydatasource, throwonsetupdefaultsdatasource, throwonsetupdefaultsdatasource

The Commons DBCP TestInstanceKeyDataSource.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.commons.dbcp.datasources;

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

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.apache.commons.dbcp.cpdsadapter.DriverAdapterCPDS;

/**
 * @version $Revision$ $Date$
 */
public class TestInstanceKeyDataSource extends TestCase {
    public TestInstanceKeyDataSource(String testName) {
        super(testName);
    }

    public static Test suite() {
        return new TestSuite(TestInstanceKeyDataSource.class);
    }


    public void setUp() throws Exception {
    }
    
    /**
     * Verify that exception on setupDefaults does not leak PooledConnection
     * 
     * JIRA: DBCP-237
     */
    public void testExceptionOnSetupDefaults() throws Exception {
        DriverAdapterCPDS pcds;
        pcds = new DriverAdapterCPDS();
        pcds.setDriver("org.apache.commons.dbcp.TesterDriver");
        pcds.setUrl("jdbc:apache:commons:testdriver");
        pcds.setUser("foo");
        pcds.setPassword("bar");
        pcds.setPoolPreparedStatements(false);
        ThrowOnSetupDefaultsDataSource tds = new ThrowOnSetupDefaultsDataSource();
        tds.setConnectionPoolDataSource(pcds);
        int numConnections = tds.getNumActive();
        try {
            tds.getConnection("foo", "bar");
            fail("Expecting SQLException");
        } catch (SQLException ex) {
           //Expected
        }
        assertEquals(numConnections,tds.getNumActive());     
    }
    
    private static class ThrowOnSetupDefaultsDataSource
    extends SharedPoolDataSource {
        private static final long serialVersionUID = -448025812063133259L;

        ThrowOnSetupDefaultsDataSource() {
            super();
        }
        protected void setupDefaults(Connection con, String username)
        throws  SQLException {
            throw new SQLException("bang!");
        }
    }

}