function test_Switch()
 {
     $input = array('fooName' => 'fooValue', 'barName' => 'barValue');
     $name = 'fooName';
     $legacyName = 'replacedFooName';
     $output = $input;
     Admin_DA::_switch($output, $name, $legacyName);
     //  determine that the desired field name has been removed
     $this->assertTrue(!array_key_exists($name, $output));
     //  determine that the legacy name has been inserted
     $this->assertTrue(array_key_exists($legacyName, $output));
     //  make sure extra keys not altered
     $this->assertTrue(array_key_exists('barName', $output));
     //  make sure existing value has new key
     $this->assertEqual('fooValue', $output[$legacyName]);
     //  assert key swapped successfully
     $this->assertEqual($input[$name], $output[$legacyName]);
 }
 function addZone($aVariables)
 {
     Admin_DA::_switch($aVariables, 'publisher_id', 'affiliateid');
     Admin_DA::_switch($aVariables, 'name', 'zonename');
     Admin_DA::_switch($aVariables, 'type', 'delivery');
     return Admin_DA::_addEntity('zones', $aVariables);
 }