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/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/test/jdbc2/optional/PoolingDataSourceTest.java,v 1.10 2009/01/07 05:28:59 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.test.jdbc2.optional;
import java.sql.*;
import org.postgresql.test.TestUtil;
import org.postgresql.jdbc2.optional.PoolingDataSource;
import org.postgresql.ds.common.BaseDataSource;
/**
* Minimal tests for pooling DataSource. Needs many more.
*
* @author Aaron Mulder (ammulder@chariotsolutions.com)
*/
public class PoolingDataSourceTest extends BaseDataSourceTest
{
private final static String DS_NAME = "JDBC 2 SE Test DataSource";
/**
* Constructor required by JUnit
*/
public PoolingDataSourceTest(String name)
{
super(name);
}
protected void tearDown() throws Exception
{
if (bds instanceof PoolingDataSource)
{
((PoolingDataSource) bds).close();
}
super.tearDown();
}
/**
* Creates and configures a new SimpleDataSource.
*/
protected void initializeDataSource()
{
if (bds == null)
{
bds = new PoolingDataSource();
bds.setServerName(TestUtil.getServer());
bds.setPortNumber(TestUtil.getPort());
bds.setDatabaseName(TestUtil.getDatabase());
bds.setUser(TestUtil.getUser());
bds.setPassword(TestUtil.getPassword());
((PoolingDataSource) bds).setDataSourceName(DS_NAME);
((PoolingDataSource) bds).setInitialConnections(2);
((PoolingDataSource) bds).setMaxConnections(10);
}
}
/**
* In this case, we *do* want it to be pooled.
*/
public void testNotPooledConnection()
{
try
{
con = getDataSourceConnection();
String name = con.toString();
con.close();
con = getDataSourceConnection();
String name2 = con.toString();
con.close();
assertTrue("Pooled DS doesn't appear to be pooling connections!", name.equals(name2));
}
catch (SQLException e)
{
fail(e.getMessage());
}
}
/**
* In this case, the desired behavior is dereferencing.
*/
protected void compareJndiDataSource(BaseDataSource oldbds, BaseDataSource bds)
{
assertTrue("DataSource was serialized or recreated, should have been dereferenced", bds == oldbds);
}
/**
* Check that 2 DS instances can't use the same name.
*/
public void testCantReuseName()
{
initializeDataSource();
PoolingDataSource pds = new PoolingDataSource();
try
{
pds.setDataSourceName(DS_NAME);
fail("Should have denied 2nd DataSource with same name");
}
catch (IllegalArgumentException e)
{
}
}
/**
* Closing a Connection twice is not an error.
*/
public void testDoubleConnectionClose() throws SQLException
{
con = getDataSourceConnection();
con.close();
con.close();
}
/**
* Closing a Statement twice is not an error.
*/
public void testDoubleStatementClose() throws SQLException
{
con = getDataSourceConnection();
Statement stmt = con.createStatement();
stmt.close();
stmt.close();
con.close();
}
public void testConnectionObjectMethods() throws SQLException
{
con = getDataSourceConnection();
Connection conRef = con;
assertEquals(con, conRef);
int hc1 = con.hashCode();
con.close();
int hc2 = con.hashCode();
assertEquals(con, conRef);
assertEquals(hc1, hc2);
}
public void testStatementObjectMethods() throws SQLException
{
con = getDataSourceConnection();
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT 1");
Statement stmtRef = stmt;
assertEquals(stmt, stmtRef);
// Currently we aren't proxying ResultSet, so this doesn't
// work, see Bug #1010542.
// assertEquals(stmt, rs.getStatement());
int hc1 = stmt.hashCode();
stmt.close();
int hc2 = stmt.hashCode();
assertEquals(stmt, stmtRef);
assertEquals(hc1, hc2);
}
}
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