public function testRawConditions()
{
$query = new Query(array('type' => 'read', 'model' => $this->_model, 'conditions' => null));
$this->assertEmpty($this->_db->conditions(5, $query));
$this->assertEmpty($this->_db->conditions(null, $query));
$this->assertEqual("WHERE CUSTOM", $this->_db->conditions("CUSTOM", $query));
}