Stikked/htdocs/application/controllers/Unittest.php

<?php if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}

class Unittest extends CI_Controller
{

    public function __construct()
    {
        parent::__construct();

        //protection

        if ($_SERVER['HTTP_HOST'] != 'stikked') {
            exit;
        }
    }

    public function index()
    {
        $this->load->library('unit_test');
        $this->load->model('pastes');

        //self test
        $test = 1 + 1;
        $expected_result = 2;
        $test_name = 'Self test: Adds one plus one';
        $this->unit->run($test, $expected_result, $test_name);

        //manipulation: create paste
        $_POST['code'] = '<?php echo "hello world!";';
        $_POST['lang'] = 'php';
        $_POST['title'] = 'hello world';
        $_POST['name'] = 'stikkeduser';
        $pid = $this->pastes->createPaste();

        //paste created, has pid
        $test = $pid;
        $expected_result = 'is_string';
        $test_name = 'Create paste, has pid';
        $this->unit->run($test, $expected_result, $test_name);
        $pid = str_replace('view/', '', $pid);

        //manipulation: delete paste
        $this->pastes->delete_paste($pid);

        //report
        echo $this->unit->report();
    }
}