lib/form/tests/select_test.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 namespace core_form;
  18
  19 use MoodleQuickForm_select;
  20
  21 defined('MOODLE_INTERNAL') || die();
  22
  23 global $CFG;
  24 require_once($CFG->libdir . '/form/select.php');
  25
  26 /**
  27  * Unit tests for MoodleQuickForm_select
  28  *
  29  * @package   core_form
  30  * @category  test
  31  * @copyright 2024 the Open University
  32  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33  * @covers    \MoodleQuickForm_select
  34  */
  35 final class select_test extends \advanced_testcase {
  36
  37     /**
  38      * Testcase to check generated timestamp
  39      */
  40     public function test_multi_select_uses_sensible_default_size(): void {
  41         global $OUTPUT;
  42
  43         // With fewer than 10 choices, default the size to that number (3 here).
  44         $element = new MoodleQuickForm_select('testel', 'Label',
  45             ['Choice 1', 'Choice 2', 'Choice 3'], ['id' => 'testel_id', 'multiple' => true]);
  46
  47         $html = $OUTPUT->mform_element($element, false, false, '', false);
  48         $this->assertStringContainsString(' size="3"', $html);
  49         $this->assertEquals(3, $element->_attributes['size']);
  50
  51         // With more than 10 choices, set to size 10.
  52         $element = new MoodleQuickForm_select('testel', 'Label', [
  53                 'Choice 1', 'Choice 2', 'Choice 3',
  54                 'Choice 4', 'Choice 5', 'Choice 6',
  55                 'Choice 7', 'Choice 8', 'Choice 9',
  56                 'Choice 10', 'Choice 11', 'Choice 12',
  57             ], ['id' => 'testel_id', 'multiple' => true]);
  58
  59         $html = $OUTPUT->mform_element($element, false, false, '', false);
  60         $this->assertStringContainsString(' size="10"', $html);
  61         $this->assertEquals(10, $element->_attributes['size']);
  62
  63         // If a size is already set, don't change in.
  64         $element = new MoodleQuickForm_select('testel', 'Label',
  65             ['Choice 1', 'Choice 2', 'Choice 3'], ['id' => 'testel_id', 'multiple' => true, 'size' => 7]);
  66
  67         $html = $OUTPUT->mform_element($element, false, false, '', false);
  68         $this->assertStringContainsString(' size="7"', $html);
  69         $this->assertEquals(7, $element->_attributes['size']);
  70
  71         // Don't set a size for single selects.
  72         $element = new MoodleQuickForm_select('testel', 'Label',
  73             ['Choice 1', 'Choice 2', 'Choice 3'], ['id' => 'testel_id']);
  74
  75         $html = $OUTPUT->mform_element($element, false, false, '', false);
  76         $this->assertStringNotContainsString('size', $html);
  77         $this->assertArrayNotHasKey('size', $element->_attributes);
  78     }
  79 }