Pop\Db\Sql::setAlias PHP Method

    public function setAlias($alias = null)
    {
        $this->alias = $alias;
        return $this;
    }

 public function testSetAndGetAlias()
 {
     $s = new Sql(Db::factory('Sqlite', array('database' => __DIR__ . '/../tmp/test.sqlite')), 'users');
     $s->setAlias('user_data');
     $this->assertEquals('user_data', $s->getAlias());
 }