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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 multianswer question definition class.
  19   *
  20   * @package    qtype
  21   * @subpackage multianswer
  22   * @copyright  2011 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($CFG->dirroot . '/question/type/multianswer/questiontype.php');
  32  require_once($CFG->dirroot . '/question/type/edit_question_form.php');
  33  require_once($CFG->dirroot . '/question/type/multianswer/edit_multianswer_form.php');
  34  
  35  
  36  /**
  37   * Unit tests for the multianswer question definition class.
  38   *
  39   * @copyright  2011 The Open University
  40   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  41   */
  42  class qtype_multianswer_test extends advanced_testcase {
  43      /** @var qtype_multianswer instance of the question type class to test. */
  44      protected $qtype;
  45  
  46      protected function setUp() {
  47          $this->qtype = new qtype_multianswer();
  48      }
  49  
  50      protected function tearDown() {
  51          $this->qtype = null;
  52      }
  53  
  54      protected function get_test_question_data() {
  55          global $USER;
  56          $q = new stdClass();
  57          $q->id = 0;
  58          $q->name = 'Simple multianswer';
  59          $q->category = 0;
  60          $q->contextid = 0;
  61          $q->parent = 0;
  62          $q->questiontext =
  63                  'Complete this opening line of verse: "The {#1} and the {#2} went to sea".';
  64          $q->questiontextformat = FORMAT_HTML;
  65          $q->generalfeedback = 'Generalfeedback: It\'s from "The Owl and the Pussy-cat" by Lear: ' .
  66                  '"The owl and the pussycat went to see';
  67          $q->generalfeedbackformat = FORMAT_HTML;
  68          $q->defaultmark = 2;
  69          $q->penalty = 0.3333333;
  70          $q->length = 1;
  71          $q->stamp = make_unique_id_code();
  72          $q->version = make_unique_id_code();
  73          $q->hidden = 0;
  74          $q->timecreated = time();
  75          $q->timemodified = time();
  76          $q->createdby = $USER->id;
  77          $q->modifiedby = $USER->id;
  78  
  79          $sadata = new stdClass();
  80          $sadata->id = 1;
  81          $sadata->qtype = 'shortanswer';
  82          $sadata->defaultmark = 1;
  83          $sadata->options->usecase = true;
  84          $sadata->options->answers[1] = (object) array('answer' => 'Bow-wow', 'fraction' => 0);
  85          $sadata->options->answers[2] = (object) array('answer' => 'Wiggly worm', 'fraction' => 0);
  86          $sadata->options->answers[3] = (object) array('answer' => 'Pussy-cat', 'fraction' => 1);
  87  
  88          $mcdata = new stdClass();
  89          $mcdata->id = 1;
  90          $mcdata->qtype = 'multichoice';
  91          $mcdata->defaultmark = 1;
  92          $mcdata->options->single = true;
  93          $mcdata->options->answers[1] = (object) array('answer' => 'Dog', 'fraction' => 0);
  94          $mcdata->options->answers[2] = (object) array('answer' => 'Owl', 'fraction' => 1);
  95          $mcdata->options->answers[3] = (object) array('answer' => '*', 'fraction' => 0);
  96  
  97          $q->options->questions = array(
  98              1 => $sadata,
  99              2 => $mcdata,
 100          );
 101  
 102          return $q;
 103      }
 104  
 105      public function test_name() {
 106          $this->assertEquals($this->qtype->name(), 'multianswer');
 107      }
 108  
 109      public function test_can_analyse_responses() {
 110          $this->assertFalse($this->qtype->can_analyse_responses());
 111      }
 112  
 113      public function test_get_random_guess_score() {
 114          $q = test_question_maker::get_question_data('multianswer', 'twosubq');
 115          $this->assertEquals(0.1666667, $this->qtype->get_random_guess_score($q), '', 0.0000001);
 116      }
 117  
 118      public function test_question_saving_twosubq() {
 119          $this->resetAfterTest(true);
 120          $this->setAdminUser();
 121  
 122          $questiondata = test_question_maker::get_question_data('multianswer');
 123          $formdata = test_question_maker::get_question_form_data('multianswer');
 124  
 125          $generator = $this->getDataGenerator()->get_plugin_generator('core_question');
 126          $cat = $generator->create_question_category(array());
 127  
 128          $formdata->category = "{$cat->id},{$cat->contextid}";
 129          qtype_multianswer_edit_form::mock_submit((array)$formdata);
 130  
 131          $form = qtype_multianswer_test_helper::get_question_editing_form($cat, $questiondata);
 132  
 133          $this->assertTrue($form->is_validated());
 134  
 135          $fromform = $form->get_data();
 136  
 137          $returnedfromsave = $this->qtype->save_question($questiondata, $fromform);
 138          $actualquestionsdata = question_load_questions(array($returnedfromsave->id));
 139          $actualquestiondata = end($actualquestionsdata);
 140  
 141          foreach ($questiondata as $property => $value) {
 142              if (!in_array($property, array('id', 'version', 'timemodified', 'timecreated', 'options', 'hints', 'stamp'))) {
 143                  $this->assertAttributeEquals($value, $property, $actualquestiondata);
 144              }
 145          }
 146  
 147          foreach ($questiondata->options as $optionname => $value) {
 148              if ($optionname != 'questions') {
 149                  $this->assertAttributeEquals($value, $optionname, $actualquestiondata->options);
 150              }
 151          }
 152  
 153          foreach ($questiondata->hints as $hint) {
 154              $actualhint = array_shift($actualquestiondata->hints);
 155              foreach ($hint as $property => $value) {
 156                  if (!in_array($property, array('id', 'questionid', 'options'))) {
 157                      $this->assertAttributeEquals($value, $property, $actualhint);
 158                  }
 159              }
 160          }
 161  
 162          $this->assertObjectHasAttribute('questions', $actualquestiondata->options);
 163  
 164          $subqpropstoignore =
 165              array('id', 'category', 'parent', 'contextid', 'question', 'options', 'stamp', 'version', 'timemodified',
 166                  'timecreated');
 167          foreach ($questiondata->options->questions as $subqno => $subq) {
 168              $actualsubq = $actualquestiondata->options->questions[$subqno];
 169              foreach ($subq as $subqproperty => $subqvalue) {
 170                  if (!in_array($subqproperty, $subqpropstoignore)) {
 171                      $this->assertAttributeEquals($subqvalue, $subqproperty, $actualsubq);
 172                  }
 173              }
 174              foreach ($subq->options as $optionname => $value) {
 175                  if (!in_array($optionname, array('answers'))) {
 176                      $this->assertAttributeEquals($value, $optionname, $actualsubq->options);
 177                  }
 178              }
 179              foreach ($subq->options->answers as $answer) {
 180                  $actualanswer = array_shift($actualsubq->options->answers);
 181                  foreach ($answer as $ansproperty => $ansvalue) {
 182                      // These questions do not use 'answerformat', will ignore it.
 183                      if (!in_array($ansproperty, array('id', 'question', 'answerformat'))) {
 184                          $this->assertAttributeEquals($ansvalue, $ansproperty, $actualanswer);
 185                      }
 186                  }
 187              }
 188          }
 189      }
 190      /**
 191       *  Verify that the multiplechoice variants parameters are correctly interpreted from
 192       *  the question text
 193       *
 194       *
 195       */
 196      public function test_questiontext_extraction_of_multiplechoice_subquestions_variants() {
 197          $questiontext = array();
 198          $questiontext['format'] = FORMAT_HTML;
 199          $questiontext['itemid'] = '';
 200          $questiontext['text'] = '<p>Match the following cities with the correct state:</p>
 201              <ul>
 202              <li>1 San Francisco:{1:MULTICHOICE:=California#OK~Arizona#Wrong}</li>
 203              <li>2 Tucson:{1:MC:%0%California#Wrong~=Arizona#OK}</li>
 204              <li>3 Los Angeles:{1:MULTICHOICE_S:=California#OK~Arizona#Wrong}</li>
 205              <li>4 Phoenix:{1:MCS:%0%California#Wrong~=Arizona#OK}</li>
 206              <li>5 San Francisco:{1:MULTICHOICE_H:=California#OK~Arizona#Wrong}</li>
 207              <li>6 Tucson:{1:MCH:%0%California#Wrong~=Arizona#OK}</li>
 208              <li>7 Los Angeles:{1:MULTICHOICE_HS:=California#OK~Arizona#Wrong}</li>
 209              <li>8 Phoenix:{1:MCHS:%0%California#Wrong~=Arizona#OK}</li>
 210              <li>9 San Francisco:{1:MULTICHOICE_V:=California#OK~Arizona#Wrong}</li>
 211              <li>10 Tucson:{1:MCV:%0%California#Wrong~=Arizona#OK}</li>
 212              <li>11 Los Angeles:{1:MULTICHOICE_VS:=California#OK~Arizona#Wrong}</li>
 213              <li>12 Phoenix:{1:MCVS:%0%California#Wrong~=Arizona#OK}</li>
 214              </ul>';
 215  
 216          $q = qtype_multianswer_extract_question($questiontext);
 217          foreach ($q->options->questions as $key => $sub) {
 218              $this->assertSame($sub->qtype, 'multichoice');
 219              if ($key == 1 || $key == 2 || $key == 5 || $key == 6 || $key == 9 || $key == 10) {
 220                  $this->assertSame($sub->shuffleanswers, 0);
 221              } else {
 222                  $this->assertSame($sub->shuffleanswers, 1);
 223              }
 224              if ($key == 1 || $key == 2 || $key == 3 || $key == 4) {
 225                  $this->assertSame($sub->layout, qtype_multichoice_base::LAYOUT_DROPDOWN);
 226              } else if ($key == 5 || $key == 6 || $key == 7 || $key == 8) {
 227                  $this->assertSame($sub->layout, qtype_multichoice_base::LAYOUT_HORIZONTAL);
 228              } else if ($key == 9 || $key == 10 || $key == 11 || $key == 12) {
 229                  $this->assertSame($sub->layout, qtype_multichoice_base::LAYOUT_VERTICAL);
 230              }
 231          }
 232      }
 233  }