Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace core_question;

use question_engine;

defined('MOODLE_INTERNAL') || die();

global $CFG;

require_once(__DIR__ . '/../lib.php');

require_once(__DIR__ . '/helpers.php');

/**

 * This file contains tests for the {@link question_attempt_iterator} class.

 *

 * @package    core_question

 * @category   test

 * @copyright  2009 The Open University

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class questionattemptiterator_test extends \advanced_testcase {

    private $quba;

    private $qas = array();

    private $iterator;

    protected function setUp(): void {

        $this->quba = question_engine::make_questions_usage_by_activity('unit_test',

                \context_system::instance());

        $this->quba->set_preferred_behaviour('deferredfeedback');

        $slot = $this->quba->add_question(\test_question_maker::make_question('description'));

        $this->qas[$slot] = $this->quba->get_question_attempt($slot);

        $slot = $this->quba->add_question(\test_question_maker::make_question('description'));

        $this->qas[$slot] = $this->quba->get_question_attempt($slot);

        $this->iterator = $this->quba->get_attempt_iterator();

    }

    protected function tearDown(): void {

        $this->quba = null;

        $this->iterator = null;

    }

    public function test_foreach_loop() {

        $i = 1;

        foreach ($this->iterator as $key => $qa) {

            $this->assertEquals($i, $key);

            $this->assertSame($this->qas[$i], $qa);

            $i++;

        }

        $this->assertEquals(3, $i);

    }

    public function test_offsetExists_before_start() {

        $this->assertFalse(isset($this->iterator[0]));

    }

    public function test_offsetExists_at_start() {

        $this->assertTrue(isset($this->iterator[1]));

    }

    public function test_offsetExists_at_endt() {

        $this->assertTrue(isset($this->iterator[2]));

    }

    public function test_offsetExists_past_end() {

        $this->assertFalse(isset($this->iterator[3]));

    }

    public function test_offsetGet_before_start() {

        $this->expectException(\moodle_exception::class);

        $step = $this->iterator[0];

    }

    public function test_offsetGet_at_start() {

        $this->assertSame($this->qas[1], $this->iterator[1]);

    }

    public function test_offsetGet_at_end() {

        $this->assertSame($this->qas[2], $this->iterator[2]);

    }

    public function test_offsetGet_past_end() {

        $this->expectException(\moodle_exception::class);

        $step = $this->iterator[3];

    }

    public function test_cannot_set() {

        $this->expectException(\moodle_exception::class);

        $this->iterator[0] = null;

    }

    public function test_cannot_unset() {

        $this->expectException(\moodle_exception::class);

        unset($this->iterator[2]);

    }

}