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   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 true-false question definition class.
  19   *
  20   * @package    qtype
  21   * @subpackage truefalse
  22   * @copyright  2007 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/type/truefalse/questiontype.php');
  31  require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
  32  require_once($CFG->dirroot . '/question/type/edit_question_form.php');
  33  require_once($CFG->dirroot . '/question/type/truefalse/edit_truefalse_form.php');
  34  
  35  /**
  36   * Unit tests for the true-false question definition class.
  37   *
  38   * @copyright  2007 The Open University
  39   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40   */
  41  class qtype_truefalse_test extends advanced_testcase {
  42      protected $qtype;
  43  
  44      protected function setUp() {
  45          $this->qtype = new qtype_truefalse();
  46      }
  47  
  48      protected function tearDown() {
  49          $this->qtype = null;
  50      }
  51  
  52      public function test_name() {
  53          $this->assertEquals($this->qtype->name(), 'truefalse');
  54      }
  55  
  56      public function test_can_analyse_responses() {
  57          $this->assertTrue($this->qtype->can_analyse_responses());
  58      }
  59  
  60      public function test_get_random_guess_score() {
  61          $this->assertEquals(0.5, $this->qtype->get_random_guess_score(null));
  62      }
  63  
  64      public function test_get_possible_responses() {
  65          $q = new stdClass();
  66          $q->id = 1;
  67          $q->options = new stdClass();
  68          $q->options->trueanswer = 1;
  69          $q->options->falseanswer = 2;
  70          $q->options->answers[1] = (object) array('fraction' => 1);
  71          $q->options->answers[2] = (object) array('fraction' => 0);
  72  
  73          $this->assertEquals(array(
  74              $q->id => array(
  75                  0 => new question_possible_response(get_string('false', 'qtype_truefalse'), 0),
  76                  1 => new question_possible_response(get_string('true', 'qtype_truefalse'), 1),
  77                  null => question_possible_response::no_response()),
  78          ), $this->qtype->get_possible_responses($q));
  79      }
  80  
  81      public function test_question_saving_true() {
  82          $this->resetAfterTest(true);
  83          $this->setAdminUser();
  84  
  85          $questiondata = test_question_maker::get_question_data('truefalse');
  86          $formdata = test_question_maker::get_question_form_data('truefalse');
  87  
  88          $generator = $this->getDataGenerator()->get_plugin_generator('core_question');
  89          $cat = $generator->create_question_category(array());
  90  
  91          $formdata->category = "{$cat->id},{$cat->contextid}";
  92          qtype_truefalse_edit_form::mock_submit((array)$formdata);
  93  
  94          $form = qtype_truefalse_test_helper::get_question_editing_form($cat, $questiondata);
  95  
  96          $this->assertTrue($form->is_validated());
  97  
  98          $fromform = $form->get_data();
  99  
 100          $returnedfromsave = $this->qtype->save_question($questiondata, $fromform);
 101          $actualquestionsdata = question_load_questions(array($returnedfromsave->id));
 102          $actualquestiondata = end($actualquestionsdata);
 103  
 104          foreach ($questiondata as $property => $value) {
 105              if (!in_array($property, array('options'))) {
 106                  $this->assertAttributeEquals($value, $property, $actualquestiondata);
 107              }
 108          }
 109  
 110          foreach ($questiondata->options as $optionname => $value) {
 111              if (!in_array($optionname, array('trueanswer', 'falseanswer', 'answers'))) {
 112                  $this->assertAttributeEquals($value, $optionname, $actualquestiondata->options);
 113              }
 114          }
 115  
 116          $answerindexes = array();
 117          foreach ($questiondata->options->answers as $ansindex => $answer) {
 118              $actualanswer = array_shift($actualquestiondata->options->answers);
 119              foreach ($answer as $ansproperty => $ansvalue) {
 120                  // This question does not use 'answerformat', will ignore it.
 121                  if (!in_array($ansproperty, array('id', 'question', 'answerformat'))) {
 122                      $this->assertAttributeEquals($ansvalue, $ansproperty, $actualanswer);
 123                  }
 124              }
 125              $answerindexes[$answer->answer] = $ansindex;
 126          }
 127  
 128          $this->assertEquals($questiondata->options->trueanswer, $answerindexes['True']);
 129          $this->assertEquals($questiondata->options->falseanswer, $answerindexes['False']);
 130      }
 131  }