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 mod_feedback;

use mod_feedback_completion;

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

global $CFG;

require_once($CFG->dirroot . '/mod/feedback/classes/completion.php');

/**

 * Unit tests for (some of) mod/feedback/classes/completion.php.

 *

 * @package    mod_feedback

 * @copyright  2019 Tobias Reischmann

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

 */

class completion_test extends \advanced_testcase {

    /**

     * Returns the number of pages with visible elements for the current state of the feedback completion.

     * @param mod_feedback_completion $completion

     * @return int number of pages with at least one visible item.

     */

    private function get_number_of_visible_pages(mod_feedback_completion $completion) {

        $pages = $completion->get_pages();

        $result = 0;

        foreach ($pages as $items) {

            if (count($items) > 0) {

                $result++;

            }

        }

        return $result;

    }

    /**

     * Tests get_pages for transitive dependencies.

     * @throws coding_exception

     */

    public function test_get_pages() {

        $this->resetAfterTest();

        $this->setAdminUser();

        // Setup test data.

        $course = $this->getDataGenerator()->create_course();

        $feedback = $this->getDataGenerator()->create_module('feedback',

            array('course' => $course->id));

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        $feedbackgenerator = $this->getDataGenerator()->get_plugin_generator('mod_feedback');

        $itemscreated = [];

        // Create at least one page.

        $itemscreated[] = $feedbackgenerator->create_item_multichoice($feedback,

            $record = ['values' => "y\nn"]);

        $itemscreated[] = $feedbackgenerator->create_item_pagebreak($feedback);

        $itemscreated[] = $feedbackgenerator->create_item_multichoice($feedback,

            $record = ['values' => "y\nn", 'dependitem' => $itemscreated[0]->id, 'dependvalue' => 'n']);

        $itemscreated[] = $feedbackgenerator->create_item_pagebreak($feedback);

        $itemscreated[] = $feedbackgenerator->create_item_multichoice($feedback,

            $record = ['values' => "y\nn", 'dependitem' => $itemscreated[0]->id, 'dependvalue' => 'y']);

        $itemscreated[] = $feedbackgenerator->create_item_pagebreak($feedback);

        $itemscreated[] = $feedbackgenerator->create_item_multichoice($feedback,

            $record = ['values' => "y\nn", 'dependitem' => $itemscreated[2]->id, 'dependvalue' => 'y']);

        // Test hiding item since transitive dependency is not met.

        // Answering the first multichoice with 'y', should hide the second and therefor also the fourth.

        $user1 = $this->getDataGenerator()->create_and_enrol($course);

        $completion = new mod_feedback_completion($feedback, $cm, $course,

            false, null, $user1->id);

        // Initially, all pages should be visible.

        $this->assertEquals(4, $this->get_number_of_visible_pages($completion));

        // Answer the first multichoice with 'y', which should exclude the second and the fourth.

        $answers = ['multichoice_' . $itemscreated[0]->id => [1]];

        $completion->save_response_tmp((object) $answers);

        $this->assertEquals(2, $this->get_number_of_visible_pages($completion));

        // Answer the third multichoice with 'n', which should exclude the last one.

        $answers = ['multichoice_' . $itemscreated[4]->id => [2]];

        $completion->save_response_tmp((object) $answers);

        $this->assertEquals(2, $this->get_number_of_visible_pages($completion));

        $completion->save_response();

        // Test showing item since transitive dependency is met.

        // Answering the first multichoice with 'n' should hide the third multichoice.

        $user2 = $this->getDataGenerator()->create_and_enrol($course);

        $completion2 = new mod_feedback_completion($feedback, $cm, $course,

            false, null, $user2->id);

        // Initially, all pages should be visible.

        $this->assertEquals(4, $this->get_number_of_visible_pages($completion2));

        // Answer the first multichoice with 'n' should hide the third multichoice.

        $answers = ['multichoice_' . $itemscreated[0]->id => [2]];

        $completion2->save_response_tmp((object) $answers);

        $this->assertEquals(3, $this->get_number_of_visible_pages($completion2));

        // Answering the second multichoice with 'n' should hide the fourth one.

        $answers = ['multichoice_' . $itemscreated[2]->id => [2]];

        $completion2->save_response_tmp((object) $answers);

        $this->assertEquals(2, $this->get_number_of_visible_pages($completion2));

    }

}