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\output;

use ReflectionMethod;

/**

 * Primary navigation renderable test

 *

 * @package     core

 * @category    output

 * @copyright   2021 onwards Peter Dias

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

 */

final class language_menu_test extends \advanced_testcase {

    /**

     * Basic setup to make sure the nav objects gets generated without any issues.

     */

    public function setUp(): void {

        global $PAGE;

        parent::setUp();

        $this->resetAfterTest();

        $PAGE->set_url('/');

    }

    /**

     * Test the get_lang_menu

     *

     * @dataProvider get_lang_menu_provider

     * @param bool $withadditionallangs

     * @param string $language

     * @param array $expected

     */

    public function test_get_lang_menu(bool $withadditionallangs, string $language, array $expected): void {

        global $CFG, $PAGE;

        // Mimic multiple langs installed. To trigger responses 'get_list_of_translations'.

        // Note: The text/title of the nodes generated will be 'English(fr), English(de)' but we don't care about this.

        // We are testing whether the nodes gets generated when the lang menu is available.

        if ($withadditionallangs) {

            mkdir("$CFG->dataroot/lang/de", 0777, true);

            mkdir("$CFG->dataroot/lang/fr", 0777, true);

            // Ensure the new langs are picked up and not taken from the cache.

            $stringmanager = get_string_manager();

            $stringmanager->reset_caches(true);

        }

        force_current_language($language);

        $output = new language_menu($PAGE);

        $method = new ReflectionMethod('\core\output\language_menu', 'export_for_template');

        $renderer = $PAGE->get_renderer('core');

        $response = $method->invoke($output, $renderer);

        if ($withadditionallangs) { // If there are multiple languages installed.

            // Assert that the title of the language menu matches the expected one.

            $this->assertEquals($expected['title'], $response['title']);

            // Assert that the number of language menu items matches the number of the expected items.

            $this->assertEquals(count($expected['items']), count($response['items']));

            foreach ($expected['items'] as $expecteditem) {

                $lang = $expecteditem['lang'];

                // We need to manually generate the url key and its value in the expected item array as this cannot

                // be done in the data provider due to the change of the state of $PAGE.

                if ($expecteditem['isactive']) {

                    $expecteditem['url'] = new \moodle_url('#');

                } else {

                    $expecteditem['url'] = new \moodle_url($PAGE->url, ['lang' => $lang]);

                    // When the language menu item is not the current language, it will contain the lang attribute.

                    $expecteditem['attributes'][] = [

                        'key' => 'lang',

                        'value' => $lang

                    ];

                }

                // The lang value is only used to generate the url, so this key can be removed.

                unset($expecteditem['lang']);

                // Assert that the given expected item exists in the returned items.

                $this->assertTrue(in_array($expecteditem, $response['items']));

            }

        } else { // No multiple languages.

            $this->assertEquals($expected, $response);

        }

    }

    /**

     * Provider for test_get_lang_menu

     *

     * @return array

     */

    public static function get_lang_menu_provider(): array {

        return [

            'Lang menu with only the current language' => [

                false, 'en', []

            ],

            'Lang menu with only multiple languages installed' => [

                true, 'en', [

                    'title' => 'English ‎(en)‎',

                    'items' => [

                        [

                            'title' => 'English ‎(en)‎',

                            'text' => 'English ‎(en)‎',

                            'link' => true,

                            'isactive' => true,

                            'lang' => 'en'

                        ],

                        [

                            'title' => 'English ‎(de)‎',

                            'text' => 'English ‎(de)‎',

                            'link' => true,

                            'isactive' => false,

                            'lang' => 'de'

                        ],

                        [

                            'title' => 'English ‎(fr)‎',

                            'text' => 'English ‎(fr)‎',

                            'link' => true,

                            'isactive' => false,

                            'lang' => 'fr'

                        ],

                    ],

                ],

            ],

            'Lang menu with only multiple languages installed and other than EN set active.' => [

                true, 'de', [

                    'title' => 'English ‎(de)‎',

                    'items' => [

                        [

                            'title' => 'English ‎(en)‎',

                            'text' => 'English ‎(en)‎',

                            'link' => true,

                            'isactive' => false,

                            'lang' => 'en'

                        ],

                        [

                            'title' => 'English ‎(de)‎',

                            'text' => 'English ‎(de)‎',

                            'link' => true,

                            'isactive' => true,

                            'lang' => 'de'

                        ],

                        [

                            'title' => 'English ‎(fr)‎',

                            'text' => 'English ‎(fr)‎',

                            'link' => true,

                            'isactive' => false,

                            'lang' => 'fr'

                        ],

                    ],

                ],

            ],

        ];

    }

}