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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   * Test helpers for the calculated question type.
  19   *
  20   * @package    qtype
  21   * @subpackage calculatedmulti
  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/type/calculated/question.php');
  31  
  32  
  33  /**
  34   * Test helper class for the calculated multiple-choice question type.
  35   *
  36   * @copyright  2011 The Open University
  37   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  38   */
  39  class qtype_calculatedmulti_test_helper extends question_test_helper {
  40      public function get_test_questions() {
  41          return array('sum');
  42      }
  43  
  44      /**
  45       * Makes a calculated multiple-choice question about summing two numbers.
  46       * @return qtype_calculatedmulti_question
  47       */
  48      public function make_calculatedmulti_question_sum() {
  49          // TODO.
  50          question_bank::load_question_definition_classes('calculated');
  51          $q = new qtype_calculatedmulti_question();
  52          test_question_maker::initialise_a_question($q);
  53          $q->name = 'Simple sum';
  54          $q->questiontext = 'What is {a} + {b}?';
  55          $q->generalfeedback = 'Generalfeedback: {={a} + {b}} is the right answer.';
  56          $q->answers = array(
  57              13 => new qtype_numerical_answer(13, '{a} + {b}', 1.0, 'Very good.', FORMAT_HTML, 0),
  58              14 => new qtype_numerical_answer(14, '{a} - {b}', 0.0, 'Add. not subtract!.',
  59                      FORMAT_HTML, 0),
  60              17 => new qtype_numerical_answer(17, '*', 0.0, 'Completely wrong.', FORMAT_HTML, 0),
  61          );
  62          $q->qtype = question_bank::get_qtype('calculated');
  63          $q->unitdisplay = qtype_numerical::UNITNONE;
  64          $q->unitgradingtype = 0;
  65          $q->unitpenalty = 0;
  66          $q->ap = new qtype_numerical_answer_processor(array());
  67  
  68          $q->datasetloader = new qtype_calculated_test_dataset_loader(0, array(
  69              array('a' => 1, 'b' => 5),
  70              array('a' => 3, 'b' => 4),
  71          ));
  72  
  73          return $q;
  74      }
  75  }