public function testGetConnection()
 {
     $col = new PropelCollection();
     $col->setModel('Book');
     $con = Propel::getConnection(BookPeer::DATABASE_NAME);
     $this->assertEquals($con, $col->getConnection(), 'getConnection() returns a connection for the collection model');
     $con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
     $this->assertEquals($con, $col->getConnection(Propel::CONNECTION_WRITE), 'getConnection() accepts a connection type parameter');
 }