Createing a Test DB Object.

["Rob Adams" <rob_adams@xxxxxxxxxxx>]

I need to test a bunch of code that extensively uses a mysql database (both 
selects and inserts), and I want to do it without actually writing to the 
database..  Instead of commenting out all of the $db->query($insert_query) 
statements and echoing $insert_query, I thought I'd make the following 
object:

class TestDB {
   var $realDB;
   function TestDB(&$o)
   {
       echo $o;
       $this->realDB = &$o;
       echo $this->realDB;
   }
   function query($q)
   {
       echo $q;
   }
   function getOne($q)
   {
       return $this->realDB->getOne($q);
   }
   function getRow($q)
   {
       return $this->realDB->getRow($q);
   }
   function &resetDB()
   {
       return $this->realDB;
   }
}

Then, in my code, I instantiate it like so:

           $tmp = new TestDB($db);
           $db = &$tmp;

But this doesn't work, and I can't figure out why.  When I try to call 
$db->getRow($q) I was getting an error that said that I couldn't call a 
member function of a non-object.  I've changed things around now, and I'm 
just not getting anything.  Any idea why I would get the non-object error? 
Thanks.

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