public function testCols()
{
$select = new Select('project');
$select->cols('user_id', 'project_id', 'name');
$this->assertCount(3, $select->getColumns());
$select->cols(["uid" => "user_id", "pid" => "project_id", "name"]);
$c = $select->getColumns();
$this->assertCount(3, $c);
$this->assertInstanceOf('\\RBM\\SqlQuery\\Column', $c[0]);
$this->assertInstanceOf('\\RBM\\SqlQuery\\Column', $c[1]);
$this->assertInstanceOf('\\RBM\\SqlQuery\\Column', $c[2]);
$this->assertEquals('uid', $c[0]->getAlias());
$this->assertEquals('pid', $c[1]->getAlias());
$this->assertNull($c[2]->getAlias());
$this->assertEquals('user_id', $c[0]->getName());
$this->assertEquals('project_id', $c[1]->getName());
$this->assertEquals('name', $c[2]->getName());
}
