public function testGroupBy()
{
$group_by = array(new Field('year'));
$q = new SelectQuery(array('test'));
$q->setGroupby($group_by);
$this->assertEquals('SELECT `t0`.* FROM `test` AS `t0` GROUP BY `t0`.`year`', $q->sql());
$q->setHaving(new Condition('>', new Aggregate('count', new Field('commit')), 20));
$this->assertEquals('SELECT `t0`.* FROM `test` AS `t0` GROUP BY `t0`.`year` HAVING COUNT(`t0`.`commit`) > :p1', $q->sql());
$q->setHaving();
$this->assertEquals('SELECT `t0`.* FROM `test` AS `t0` GROUP BY `t0`.`year`', $q->sql());
$this->assertEquals(var_export($group_by, true), var_export($q->showGroupBy(), true));
// check required by BebopCMS(tm)
}