public function testDirection()
{
$col = new Column("date_created", "project");
$order = new OrderBy($col, OrderBy::ASC, false);
$order->setDirection(OrderBy::DESC);
$this->assertEquals(OrderBy::DESC, $order->getDirection());
$this->setExpectedException("InvalidArgumentException");
$order->setDirection("this is not a valid direction");
}
/**
* @param OrderBy $orderBy
* @return string
*/
protected function _renderOrderBy(OrderBy $orderBy)
{
if (($alias = $orderBy->getColumn()->getAlias()) && $orderBy->getUseAlias()) {
$col = $this->_renderAlias($alias);
} else {
$col = $this->_renderColumn($orderBy->getColumn());
}
return $col . ' ' . $orderBy->getDirection();
}