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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 numerical question type.
  19   *
  20   * @package    qtype
  21   * @subpackage numerical
  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  
  30  /**
  31   * Test helper class for the numerical question type.
  32   *
  33   * @copyright  2011 The Open University
  34   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  class qtype_numerical_test_helper extends question_test_helper {
  37      public function get_test_questions() {
  38          return array('pi', 'unit', 'currency');
  39      }
  40  
  41      /**
  42       * Makes a numerical question with correct ansewer 3.14, and various incorrect
  43       * answers with different feedback.
  44       * @return qtype_numerical_question
  45       */
  46      public function make_numerical_question_pi() {
  47          question_bank::load_question_definition_classes('numerical');
  48          $num = new qtype_numerical_question();
  49          test_question_maker::initialise_a_question($num);
  50          $num->name = 'Pi to two d.p.';
  51          $num->questiontext = 'What is pi to two d.p.?';
  52          $num->generalfeedback = 'Generalfeedback: 3.14 is the right answer.';
  53          $num->answers = array(
  54              13 => new qtype_numerical_answer(13, '3.14',  1.0, 'Very good.',
  55                      FORMAT_HTML, 0),
  56              14 => new qtype_numerical_answer(14, '3.142', 0.0, 'Too accurate.',
  57                      FORMAT_HTML, 0.005),
  58              15 => new qtype_numerical_answer(15, '3.1',   0.0, 'Not accurate enough.',
  59                      FORMAT_HTML, 0.05),
  60              16 => new qtype_numerical_answer(16, '3',     0.0, 'Not accurate enough.',
  61                      FORMAT_HTML, 0.5),
  62              17 => new qtype_numerical_answer(17, '*',     0.0, 'Completely wrong.',
  63                      FORMAT_HTML, 0),
  64          );
  65          $num->qtype = question_bank::get_qtype('numerical');
  66          $num->unitdisplay = qtype_numerical::UNITOPTIONAL;
  67          $num->unitgradingtype = 0;
  68          $num->unitpenalty = 0.2;
  69          $num->ap = new qtype_numerical_answer_processor(array());
  70  
  71          return $num;
  72      }
  73  
  74      public function get_numerical_question_form_data_pi() {
  75          $form = new stdClass();
  76          $form->name = 'Pi to two d.p.';
  77          $form->questiontext = array();
  78          $form->questiontext['format'] = '1';
  79          $form->questiontext['text'] = 'What is pi to two d.p.?';
  80  
  81          $form->defaultmark = 1;
  82          $form->generalfeedback = array();
  83          $form->generalfeedback['format'] = '1';
  84          $form->generalfeedback['text'] = 'Generalfeedback: 3.14 is the right answer.';
  85  
  86          $form->noanswers = 6;
  87          $form->answer = array();
  88          $form->answer[0] = '3.14';
  89          $form->answer[1] = '3.142';
  90          $form->answer[2] = '3.1';
  91          $form->answer[3] = '3';
  92          $form->answer[4] = '*';
  93          $form->answer[5] = '';
  94  
  95          $form->tolerance = array();
  96          $form->tolerance[0] = 0;
  97          $form->tolerance[1] = 0;
  98          $form->tolerance[2] = 0;
  99          $form->tolerance[3] = 0;
 100          $form->tolerance[4] = 0;
 101          $form->tolerance[5] = 0;
 102  
 103          $form->fraction = array();
 104          $form->fraction[0] = '1.0';
 105          $form->fraction[1] = '0.0';
 106          $form->fraction[2] = '0.0';
 107          $form->fraction[3] = '0.0';
 108          $form->fraction[4] = '0.0';
 109          $form->fraction[5] = '0.0';
 110  
 111          $form->feedback = array();
 112          $form->feedback[0] = array();
 113          $form->feedback[0]['format'] = '1';
 114          $form->feedback[0]['text'] = 'Very good.';
 115  
 116          $form->feedback[1] = array();
 117          $form->feedback[1]['format'] = '1';
 118          $form->feedback[1]['text'] = 'Too accurate.';
 119  
 120          $form->feedback[2] = array();
 121          $form->feedback[2]['format'] = '1';
 122          $form->feedback[2]['text'] = 'Not accurate enough.';
 123  
 124          $form->feedback[3] = array();
 125          $form->feedback[3]['format'] = '1';
 126          $form->feedback[3]['text'] = 'Not accurate enough.';
 127  
 128          $form->feedback[4] = array();
 129          $form->feedback[4]['format'] = '1';
 130          $form->feedback[4]['text'] = 'Completely wrong.';
 131  
 132          $form->feedback[5] = array();
 133          $form->feedback[5]['format'] = '1';
 134          $form->feedback[5]['text'] = '';
 135  
 136          $form->unitrole = '3';
 137          $form->unitpenalty = 0.1;
 138          $form->unitgradingtypes = '1';
 139          $form->unitsleft = '0';
 140          $form->nounits = 1;
 141          $form->multiplier = array();
 142          $form->multiplier[0] = '1.0';
 143  
 144          $form->penalty = '0.3333333';
 145          $form->numhints = 2;
 146          $form->hint = array();
 147          $form->hint[0] = array();
 148          $form->hint[0]['format'] = '1';
 149          $form->hint[0]['text'] = '';
 150  
 151          $form->hint[1] = array();
 152          $form->hint[1]['format'] = '1';
 153          $form->hint[1]['text'] = '';
 154  
 155          $form->qtype = 'numerical';
 156          return $form;
 157      }
 158  
 159      public function get_numerical_question_data_pi() {
 160          $q = new stdClass();
 161          $q->name = 'Pi to two d.p.';
 162          $q->questiontext = 'What is pi to two d.p.?';
 163          $q->questiontextformat = FORMAT_HTML;
 164          $q->generalfeedback = 'Generalfeedback: 3.14 is the right answer.';
 165          $q->generalfeedbackformat = FORMAT_HTML;
 166          $q->defaultmark = 1;
 167          $q->penalty = 0.3333333;
 168          $q->qtype = 'numerical';
 169          $q->length = '1';
 170          $q->hidden = '0';
 171          $q->createdby = '2';
 172          $q->modifiedby = '2';
 173          $q->options = new stdClass();
 174          $q->options->answers = array();
 175          $q->options->answers[0] = new stdClass();
 176          $q->options->answers[0]->answer = '3.14';
 177          $q->options->answers[0]->fraction = '1.0000000';
 178          $q->options->answers[0]->feedback = 'Very good.';
 179          $q->options->answers[0]->feedbackformat = FORMAT_HTML;
 180          $q->options->answers[0]->tolerance = '0';
 181  
 182          $q->options->answers[1] = new stdClass();
 183          $q->options->answers[1]->answer = '3.142';
 184          $q->options->answers[1]->fraction = '0.0000000';
 185          $q->options->answers[1]->feedback = 'Too accurate.';
 186          $q->options->answers[1]->feedbackformat = FORMAT_HTML;
 187          $q->options->answers[1]->tolerance = '0';
 188  
 189          $q->options->answers[2] = new stdClass();
 190          $q->options->answers[2]->answer = '3.1';
 191          $q->options->answers[2]->fraction = '0.0000000';
 192          $q->options->answers[2]->feedback = 'Not accurate enough.';
 193          $q->options->answers[2]->feedbackformat = FORMAT_HTML;
 194          $q->options->answers[2]->tolerance = '0';
 195  
 196          $q->options->answers[3] = new stdClass();
 197          $q->options->answers[3]->answer = '3';
 198          $q->options->answers[3]->answerformat = '0';
 199          $q->options->answers[3]->fraction = '0.0000000';
 200          $q->options->answers[3]->feedback = 'Not accurate enough.';
 201          $q->options->answers[3]->feedbackformat = FORMAT_HTML;
 202          $q->options->answers[3]->tolerance = '0';
 203  
 204          $q->options->answers[4] = new stdClass();
 205          $q->options->answers[4]->answer = '*';
 206          $q->options->answers[4]->answerformat = '0';
 207          $q->options->answers[4]->fraction = '0.0000000';
 208          $q->options->answers[4]->feedback = 'Completely wrong.';
 209          $q->options->answers[4]->feedbackformat = FORMAT_HTML;
 210          $q->options->answers[4]->tolerance = '0';
 211  
 212          $q->options->units = array();
 213  
 214          $q->options->unitgradingtype = '0';
 215          $q->options->unitpenalty = '0.1000000';
 216          $q->options->showunits = '3';
 217          $q->options->unitsleft = '0';
 218  
 219          return $q;
 220      }
 221  
 222          /**
 223       * Makes a numerical question with a choice (select menu) of units.
 224       * @return qtype_numerical_question
 225       */
 226      public function make_numerical_question_unit() {
 227          question_bank::load_question_definition_classes('numerical');
 228          $num = new qtype_numerical_question();
 229          test_question_maker::initialise_a_question($num);
 230          $num->name = 'Numerical with units';
 231          $num->questiontext = 'What is 1 m + 25 cm?';
 232          $num->generalfeedback = 'Generalfeedback: 1.25m or 125cm is the right answer.';
 233          $num->answers = array(
 234              13 => new qtype_numerical_answer(13, '1.25', 1.0, 'Very good.', FORMAT_HTML, 0),
 235              14 => new qtype_numerical_answer(14, '1.25', 0.5, 'Vaguely right.', FORMAT_HTML, 0.05),
 236              17 => new qtype_numerical_answer(17, '*', 0.0, 'Completely wrong.', FORMAT_HTML, 0),
 237          );
 238          $num->qtype = question_bank::get_qtype('numerical');
 239          $num->unitdisplay = qtype_numerical::UNITSELECT;
 240          $num->unitgradingtype = qtype_numerical::UNITGRADEDOUTOFMARK;
 241          $num->unitpenalty = 0.5;
 242          $num->ap = new qtype_numerical_answer_processor(array('m' => 1, 'cm' => 100));
 243  
 244          return $num;
 245      }
 246  
 247      /**
 248       * Makes a numerical question with correct ansewer 3.14, and various incorrect
 249       * answers with different feedback.
 250       * @return qtype_numerical_question
 251       */
 252      public function make_numerical_question_currency() {
 253          question_bank::load_question_definition_classes('numerical');
 254          $num = new qtype_numerical_question();
 255          test_question_maker::initialise_a_question($num);
 256          $num->name = 'Add money';
 257          $num->questiontext = 'What is $666 + $666?';
 258          $num->generalfeedback = 'Generalfeedback: $1,332 is the right answer.';
 259          $num->answers = array(
 260              13 => new qtype_numerical_answer(13, '1332', 1.0, 'Very good.', FORMAT_HTML, 0),
 261              14 => new qtype_numerical_answer(14, '*', 0.0, 'Wrong.', FORMAT_HTML, 0),
 262          );
 263          $num->qtype = question_bank::get_qtype('numerical');
 264          $num->unitdisplay = qtype_numerical::UNITINPUT;
 265          $num->unitgradingtype = qtype_numerical::UNITGRADEDOUTOFMAX;
 266          $num->unitpenalty = 0.2;
 267          $num->ap = new qtype_numerical_answer_processor(array('$' => 1), true);
 268  
 269          return $num;
 270      }
 271  }