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_quiz;

use core_question\local\bank\question_edit_contexts;

use mod_quiz\question\bank\custom_view;

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

global $CFG;

require_once($CFG->dirroot . '/question/editlib.php');

/**

 * Unit tests for the quiz's own question bank view class.

 *

 * @package    mod_quiz

 * @category   test

 * @copyright  2018 the Open University

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

 * @covers \mod_quiz\question\bank\custom_view

 */

final class quiz_question_bank_view_test extends \advanced_testcase {

    public function test_viewing_question_bank_should_not_load_individual_questions(): void {

        $this->resetAfterTest();

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        /** @var core_question_generator $questiongenerator */

        $questiongenerator = $generator->get_plugin_generator('core_question');

        // Create a course and a quiz.

        $course = $generator->create_course();

        $quiz = $this->getDataGenerator()->create_module('quiz', ['course' => $course->id]);

        $context = \context_module::instance($quiz->cmid);

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

        // Create a question in the default category.

        $contexts = new question_edit_contexts($context);

        $cat = question_get_default_category($context->id, true);

        $questiondata = $questiongenerator->create_question('numerical', null,

                ['name' => 'Example question', 'category' => $cat->id]);

        // Ensure the question is not in the cache.

        $cache = \cache::make('core', 'questiondata');

        $cache->delete($questiondata->id);

        // Generate the view.

        $params = [

            'qpage' => 0,

            'qperpage' => 20,

            'cat' => $cat->id . ',' . $context->id,

            'recurse' => false,

            'showhidden' => false,

            'qbshowtext' => false,

            'tabname' => 'editq'

        ];

        $extraparams = ['cmid' => $cm->id, 'quizcmid' => $cm->id];

        $view = new custom_view($contexts, new \moodle_url('/'), $course, $cm, $params, $extraparams);

        ob_start();

        $view->display();

        $html = ob_get_clean();

        // Verify the output includes the expected question.

        $this->assertStringContainsString('Example question', $html);

        // Verify the question has not been loaded into the cache.

        $this->assertFalse($cache->has($questiondata->id));

    }

    public function test_viewing_question_bank_should_not_load_hidden_question(): void {

        $this->resetAfterTest();

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        /** @var core_question_generator $questiongenerator */

        $questiongenerator = $generator->get_plugin_generator('core_question');

        // Create a course and a quiz.

        $course = $generator->create_course();

        $quiz = $this->getDataGenerator()->create_module('quiz', ['course' => $course->id]);

        $context = \context_module::instance($quiz->cmid);

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

        // Create a question in the default category.

        $contexts = new question_edit_contexts($context);

        $cat = question_get_default_category($context->id, true);

        $question = $questiongenerator->create_question('numerical', null,

            ['name' => 'Example question', 'category' => $cat->id]);

        // Create another version.

        $newversion = $questiongenerator->update_question($question, null, ['name' => 'This is the latest version']);

        // Add them to the quiz.

        quiz_add_quiz_question($newversion->id, $quiz);

        // Generate the view.

        $params = [

            'qpage' => 0,

            'qperpage' => 20,

            'cat' => $cat->id . ',' . $context->id,

            'recurse' => false,

            'showhidden' => false,

            'qbshowtext' => false,

            'tabname' => 'editq',

        ];

        $extraparams = ['quizcmid' => $cm->id];

        $view = new custom_view($contexts, new \moodle_url('/'), $course, $cm, $params, $extraparams);

        ob_start();

        $view->display();

        $html = ob_get_clean();

        // Verify the output should included the latest version.

        $this->assertStringContainsString('This is the latest version', $html);

        $this->assertStringNotContainsString('Example question', $html);

        // Delete the latest version.

        question_delete_question($newversion->id);

        // Verify the output should display the old version with status ready.

        ob_start();

        $view->display();

        $html = ob_get_clean();

        $this->assertStringContainsString('Example question', $html);

        $this->assertStringNotContainsString('This is the latest version', $html);

    }

    public function test_viewing_question_bank_when_paging_out_of_limit(): void {

        $this->resetAfterTest();

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        /** @var core_question_generator $questiongenerator */

        $questiongenerator = $generator->get_plugin_generator('core_question');

        // Create a course and a quiz.

        $course = $generator->create_course();

        $quiz = $this->getDataGenerator()->create_module('quiz', ['course' => $course->id]);

        $context = \context_module::instance($quiz->cmid);

        // Create a question in the default category.

        $contexts = new question_edit_contexts($context);

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

        $cat = question_get_default_category($context->id, true);

        // Create three questions.

        $questiongenerator->create_question('numerical', null,

            ['name' => 'Example question 1', 'category' => $cat->id]);

        $questiongenerator->create_question('numerical', null,

            ['name' => 'Example question 2', 'category' => $cat->id]);

        $question3 = $questiongenerator->create_question('numerical', null,

            ['name' => 'Example question 3', 'category' => $cat->id]);

        // Retrieve the question bank view on page 3 with 1 questions per page.

        $params = [

            'qpage' => 3,

            'qperpage' => 1,

            'cat' => $cat->id . ',' . $context->id,

            'recurse' => false,

            'showhidden' => false,

            'qbshowtext' => false,

            'tabname' => 'editq',

        ];

        // Load the question bank view.

        $view = new custom_view($contexts, new \moodle_url('/'), $course, $cm, $params, ['quizcmid' => $cm->id]);

        ob_start();

        $view->display();

        $html = ob_get_clean();

        // Verify that questions exist in the view.

        $this->assertStringNotContainsString('Example question 1', $html);

        $this->assertStringNotContainsString('Example question 2', $html);

        $this->assertStringContainsString('Example question 3', $html);

        // Set the param per page is 2.

        // The view only has 2 pages.

        $params['qperpage'] = 2;

        // Reload the question bank view on page 3.

        $view = new custom_view($contexts, new \moodle_url('/'), $course, $cm, $params, ['quizcmid' => $cm->id]);

        ob_start();

        $view->display();

        $html = ob_get_clean();

        // Since the view has only 2 pages and the requested page is out of range,

        // the view will move to the nearest available page.

        // Verify that the view is in the page 2.

        $this->assertEquals(1, $view->get_pagevars('qpage'));

        // Verify that questions exist in the view.

        $this->assertStringNotContainsString('Example question 1', $html);

        $this->assertStringNotContainsString('Example question 2', $html);

        $this->assertStringContainsString('Example question 3', $html);

        // Create a new category.

        $newcategory = $generator->create_category();

        $newcontext = \context_coursecat::instance($newcategory->id);

        $newquestioncat = $questiongenerator->create_question_category([

            'contextid' => $newcontext->id,

        ]);

        // Move question 3 to a new category.

        question_move_questions_to_category([$question3->id], $newquestioncat->id);

        // Load the question bank view from the new category.

        $params['cat'] = $newquestioncat->id . ',' . $newquestioncat->contextid;

        $view = new custom_view($contexts, new \moodle_url('/'), $course, $cm, $params, ['quizcmid' => $cm->id]);

        ob_start();

        $view->display();

        $html = ob_get_clean();

        // Verify that the view is in the page 1 and exist only one question.

        $this->assertEquals(0, $view->get_pagevars('qpage'));

        $this->assertStringContainsString('Example question 3', $html);

    }

}