/**
* @covers SQLBuilder::getColumnsString
*/
public function testGetColumnsString()
{
$this->sql->select('users', 'u', array('id', 'username', 'email'));
$actual = $this->sql->getColumnsString();
$excepted = "u.id u_id,u.username u_username,u.email u_email";
$this->assertSame($excepted, $actual);
}
