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See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.

Differences Between: [Versions 39 and 310]

   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  /**
  18   * Unit tests for the random question type class.
  19   *
  20   * @package    qtype
  21   * @subpackage random
  22   * @copyright  2010 The Open University
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  global $CFG;
  30  require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
  31  require_once($CFG->dirroot . '/question/type/random/questiontype.php');
  32  
  33  
  34  /**
  35   * Unit tests for the random question type class.
  36   *
  37   * @copyright  2010 The Open University
  38   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  39   */
  40  class qtype_random_test extends advanced_testcase {
  41      protected $qtype;
  42  
  43      protected function setUp(): void {
  44          $this->qtype = new qtype_random();
  45      }
  46  
  47      protected function tearDown(): void {
  48          $this->qtype = null;
  49      }
  50  
  51      public function test_name() {
  52          $this->assertEquals($this->qtype->name(), 'random');
  53      }
  54  
  55      public function test_can_analyse_responses() {
  56          $this->assertFalse($this->qtype->can_analyse_responses());
  57      }
  58  
  59      public function test_get_random_guess_score() {
  60          $this->assertNull($this->qtype->get_random_guess_score(null));
  61      }
  62  
  63      public function test_load_question() {
  64          $this->resetAfterTest();
  65  
  66          $syscontext = context_system::instance();
  67          /** @var core_question_generator $generator */
  68          $generator = $this->getDataGenerator()->get_plugin_generator('core_question');
  69          $category = $generator->create_question_category(['contextid' => $syscontext->id]);
  70  
  71          $fromform = test_question_maker::get_question_form_data('random');
  72          $fromform->category = $category->id . ',' . $syscontext->id;
  73  
  74          $question = new stdClass();
  75          $question->category = $category->id;
  76          $question->qtype = 'random';
  77          $question->createdby = 0;
  78  
  79          $this->qtype->save_question($question, $fromform);
  80          $questiondata = question_bank::load_question_data($question->id);
  81  
  82          $this->assertEquals(['id', 'category', 'parent', 'name', 'questiontext', 'questiontextformat',
  83                  'generalfeedback', 'generalfeedbackformat', 'defaultmark', 'penalty', 'qtype',
  84                  'length', 'stamp', 'version', 'hidden', 'timecreated', 'timemodified',
  85                  'createdby', 'modifiedby', 'idnumber', 'contextid', 'options', 'hints', 'categoryobject'],
  86                  array_keys(get_object_vars($questiondata)));
  87          $this->assertEquals($category->id, $questiondata->category);
  88  
  89          // Random questions are not real questions. This is signaled by parent
  90          // being non-zero - and in fact equal to question id.
  91          $this->assertEquals($questiondata->id, $questiondata->parent);
  92          $this->assertEquals('Random (' . $category->name . ')', $questiondata->name);
  93          $this->assertEquals(0, $questiondata->questiontext); // Used to store 'Select from subcategories'.
  94          $this->assertEquals('random', $questiondata->qtype);
  95          $this->assertEquals(1, $questiondata->length);
  96          $this->assertEquals(0, $questiondata->hidden);
  97          $this->assertEquals($category->contextid, $questiondata->contextid);
  98  
  99          // Options - not used.
 100          $this->assertEquals(['answers'], array_keys(get_object_vars($questiondata->options)));
 101          $this->assertEquals([], $questiondata->options->answers);
 102  
 103          // Hints - not used.
 104          $this->assertEquals([], $questiondata->hints);
 105      }
 106  
 107      public function test_get_possible_responses() {
 108          $this->assertEquals(array(), $this->qtype->get_possible_responses(null));
 109      }
 110  
 111      public function test_question_creation() {
 112          $this->resetAfterTest();
 113          question_bank::get_qtype('random')->clear_caches_before_testing();
 114  
 115          $generator = $this->getDataGenerator()->get_plugin_generator('core_question');
 116          $cat = $generator->create_question_category();
 117          $question1 = $generator->create_question('shortanswer', null, array('category' => $cat->id));
 118          $question2 = $generator->create_question('numerical', null, array('category' => $cat->id));
 119  
 120          $randomquestion = $generator->create_question('random', null, array('category' => $cat->id));
 121  
 122          $expectedids = array($question1->id, $question2->id);
 123          $actualids = question_bank::get_qtype('random')->get_available_questions_from_category($cat->id, 0);
 124          sort($expectedids);
 125          sort($actualids);
 126          $this->assertEquals($expectedids, $actualids);
 127  
 128          $q = question_bank::load_question($randomquestion->id);
 129  
 130          $this->assertContains($q->id, array($question1->id, $question2->id));
 131      }
 132  }