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See Release Notes

  • Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
  • Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
  • PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.

Differences Between: [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403]

   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  namespace qtype_ddwtos;
  18  
  19  use question_answer;
  20  use question_bank;
  21  use question_hint_with_parts;
  22  use question_possible_response;
  23  
  24  defined('MOODLE_INTERNAL') || die();
  25  global $CFG;
  26  
  27  require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
  28  require_once($CFG->dirroot . '/question/type/ddwtos/tests/helper.php');
  29  
  30  
  31  /**
  32   * Unit tests for the drag-and-drop words into sentences question definition class.
  33   *
  34   * @package   qtype_ddwtos
  35   * @copyright 2012 The Open University
  36   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  37   */
  38  class question_type_test extends \question_testcase {
  39      /** @var qtype_ddwtos instance of the question type class to test. */
  40      protected $qtype;
  41  
  42      protected function setUp(): void {
  43          $this->qtype = question_bank::get_qtype('ddwtos');;
  44      }
  45  
  46      protected function tearDown(): void {
  47          $this->qtype = null;
  48      }
  49  
  50      public function assert_same_xml($expectedxml, $xml) {
  51          $this->assertEquals(str_replace("\r\n", "\n", $expectedxml),
  52                  str_replace("\r\n", "\n", $xml));
  53      }
  54  
  55      /**
  56       * Get some test question data.
  57       *
  58       * @return object the data to construct a question like
  59       * {@link qtype_ddwtos_test_helper::make_ddwtos_question_fox()}.
  60       */
  61      protected function get_test_question_data() {
  62          global $USER;
  63  
  64          $dd = new \stdClass();
  65          $dd->id = 0;
  66          $dd->category = 0;
  67          $dd->contextid = 0;
  68          $dd->parent = 0;
  69          $dd->questiontextformat = FORMAT_HTML;
  70          $dd->generalfeedbackformat = FORMAT_HTML;
  71          $dd->defaultmark = 1;
  72          $dd->penalty = 0.3333333;
  73          $dd->length = 1;
  74          $dd->stamp = make_unique_id_code();
  75          $dd->version = make_unique_id_code();
  76          $dd->hidden = 0;
  77          $dd->idnumber = null;
  78          $dd->timecreated = time();
  79          $dd->timemodified = time();
  80          $dd->createdby = $USER->id;
  81          $dd->modifiedby = $USER->id;
  82  
  83          $dd->name = 'Drag-and-drop words into sentences question';
  84          $dd->questiontext = 'The [[1]] brown [[2]] jumped over the [[3]] dog.';
  85          $dd->generalfeedback = 'This sentence uses each letter of the alphabet.';
  86          $dd->qtype = 'ddwtos';
  87  
  88          $dd->options = new \stdClass();
  89          $dd->options->shuffleanswers = true;
  90  
  91          \test_question_maker::set_standard_combined_feedback_fields($dd->options);
  92  
  93          $dd->options->answers = array(
  94              (object) array('answer' => 'quick', 'feedback' =>
  95                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"1";s:8:"infinite";i:0;}'),
  96              (object) array('answer' => 'fox', 'feedback' =>
  97                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"2";s:8:"infinite";i:0;}'),
  98              (object) array('answer' => 'lazy', 'feedback' =>
  99                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"3";s:8:"infinite";i:0;}'),
 100              (object) array('answer' => 'assiduous', 'feedback' =>
 101                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"3";s:8:"infinite";i:0;}'),
 102              (object) array('answer' => 'dog', 'feedback' =>
 103                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"2";s:8:"infinite";i:0;}'),
 104              (object) array('answer' => 'slow', 'feedback' =>
 105                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"1";s:8:"infinite";i:0;}'),
 106          );
 107  
 108          return $dd;
 109      }
 110  
 111      public function test_name() {
 112          $this->assertEquals($this->qtype->name(), 'ddwtos');
 113      }
 114  
 115      public function test_can_analyse_responses() {
 116          $this->assertTrue($this->qtype->can_analyse_responses());
 117      }
 118  
 119      public function test_save_question() {
 120          $this->resetAfterTest();
 121  
 122          $syscontext = \context_system::instance();
 123          /** @var core_question_generator $generator */
 124          $generator = $this->getDataGenerator()->get_plugin_generator('core_question');
 125          $category = $generator->create_question_category(['contextid' => $syscontext->id]);
 126  
 127          $fromform = \test_question_maker::get_question_form_data('ddwtos', 'missingchoiceno');
 128          $fromform->category = $category->id . ',' . $syscontext->id;
 129  
 130          $question = new \stdClass();
 131          $question->category = $category->id;
 132          $question->qtype = 'ddwtos';
 133          $question->createdby = 0;
 134  
 135          $this->qtype->save_question($question, $fromform);
 136          $q = question_bank::load_question($question->id);
 137          // We just want to verify that this does not cause errors,
 138          // but also verify some of the outcome.
 139          $this->assertEquals('The [[1]] sat on the [[2]].', $q->questiontext);
 140          $this->assertEquals([1 => 1, 2 => 1], $q->places);
 141          $this->assertEquals([1 => 1, 2 => 2], $q->rightchoices);
 142      }
 143  
 144      public function test_initialise_question_instance() {
 145          $qdata = $this->get_test_question_data();
 146  
 147          $expected = \test_question_maker::make_question('ddwtos');
 148          $expected->stamp = $qdata->stamp;
 149          $expected->version = $qdata->version;
 150          $expected->idnumber = null;
 151  
 152          $q = $this->qtype->make_question($qdata);
 153  
 154          $this->assertEquals($expected, $q);
 155      }
 156  
 157      public function test_get_random_guess_score() {
 158          $q = $this->get_test_question_data();
 159          $this->assertEqualsWithDelta(0.5, $this->qtype->get_random_guess_score($q), 0.0000001);
 160      }
 161  
 162      public function test_get_possible_responses() {
 163          $q = $this->get_test_question_data();
 164  
 165          $this->assertEquals(array(
 166              1 => array(
 167                  1 => new question_possible_response('quick', 1 / 3),
 168                  2 => new question_possible_response('slow', 0),
 169                  null => question_possible_response::no_response()),
 170              2 => array(
 171                  1 => new question_possible_response('fox', 1 / 3),
 172                  2 => new question_possible_response('dog', 0),
 173                  null => question_possible_response::no_response()),
 174              3 => array(
 175                  1 => new question_possible_response('lazy', 1 / 3),
 176                  2 => new question_possible_response('assiduous', 0),
 177                  null => question_possible_response::no_response()),
 178          ), $this->qtype->get_possible_responses($q));
 179      }
 180  
 181      public function test_xml_import() {
 182          $xml = '  <question type="ddwtos">
 183      <name>
 184        <text>A drag-and-drop question</text>
 185      </name>
 186      <questiontext format="moodle_auto_format">
 187        <text>Put these in order: [[1]], [[2]], [[3]].</text>
 188      </questiontext>
 189      <generalfeedback>
 190        <text>The answer is Alpha, Beta, Gamma.</text>
 191      </generalfeedback>
 192      <defaultgrade>3</defaultgrade>
 193      <penalty>0.3333333</penalty>
 194      <hidden>0</hidden>
 195      <shuffleanswers>1</shuffleanswers>
 196      <correctfeedback>
 197        <text><![CDATA[<p>Your answer is correct.</p>]]></text>
 198      </correctfeedback>
 199      <partiallycorrectfeedback>
 200        <text><![CDATA[<p>Your answer is partially correct.</p>]]></text>
 201      </partiallycorrectfeedback>
 202      <incorrectfeedback>
 203        <text><![CDATA[<p>Your answer is incorrect.</p>]]></text>
 204      </incorrectfeedback>
 205      <shownumcorrect/>
 206      <dragbox>
 207        <text>Alpha</text>
 208        <group>1</group>
 209      </dragbox>
 210      <dragbox>
 211        <text>Beta</text>
 212        <group>1</group>
 213      </dragbox>
 214      <dragbox>
 215        <text>Gamma</text>
 216        <group>1</group>
 217        <infinite/>
 218      </dragbox>
 219      <hint>
 220        <text>Try again.</text>
 221        <shownumcorrect />
 222      </hint>
 223      <hint>
 224        <text>These are the first three letters of the Greek alphabet.</text>
 225        <shownumcorrect />
 226        <clearwrong />
 227      </hint>
 228    </question>';
 229          $xmldata = xmlize($xml);
 230  
 231          $importer = new \qformat_xml();
 232          $q = $importer->try_importing_using_qtypes(
 233                  $xmldata['question'], null, null, 'ddwtos');
 234  
 235          $expectedq = new \stdClass();
 236          $expectedq->qtype = 'ddwtos';
 237          $expectedq->name = 'A drag-and-drop question';
 238          $expectedq->questiontext = 'Put these in order: [[1]], [[2]], [[3]].';
 239          $expectedq->questiontextformat = FORMAT_MOODLE;
 240          $expectedq->generalfeedback = 'The answer is Alpha, Beta, Gamma.';
 241          $expectedq->defaultmark = 3;
 242          $expectedq->length = 1;
 243          $expectedq->penalty = 0.3333333;
 244  
 245          $expectedq->shuffleanswers = 1;
 246          $expectedq->correctfeedback = array('text' => '<p>Your answer is correct.</p>',
 247                  'format' => FORMAT_MOODLE);
 248          $expectedq->partiallycorrectfeedback = array(
 249                  'text' => '<p>Your answer is partially correct.</p>',
 250                  'format' => FORMAT_MOODLE);
 251          $expectedq->shownumcorrect = true;
 252          $expectedq->incorrectfeedback = array('text' => '<p>Your answer is incorrect.</p>',
 253                  'format' => FORMAT_MOODLE);
 254  
 255          $expectedq->choices = array(
 256              array('answer' => 'Alpha', 'choicegroup' => 1, 'infinite' => false),
 257              array('answer' => 'Beta', 'choicegroup' => 1, 'infinite' => false),
 258              array('answer' => 'Gamma', 'choicegroup' => 1, 'infinite' => true),
 259          );
 260  
 261          $expectedq->hint = array(
 262                  array('text' => 'Try again.', 'format' => FORMAT_MOODLE),
 263                  array('text' => 'These are the first three letters of the Greek alphabet.',
 264                          'format' => FORMAT_MOODLE));
 265          $expectedq->hintshownumcorrect = array(true, true);
 266          $expectedq->hintclearwrong = array(false, true);
 267  
 268          $this->assert(new \question_check_specified_fields_expectation($expectedq), $q);
 269          $this->assertEquals($expectedq->hint, $q->hint);
 270      }
 271  
 272      public function test_xml_export() {
 273          $qdata = new \stdClass();
 274          $qdata->id = 123;
 275          $qdata->contextid = \context_system::instance()->id;
 276          $qdata->idnumber = null;
 277          $qdata->qtype = 'ddwtos';
 278          $qdata->name = 'A drag-and-drop question';
 279          $qdata->questiontext = 'Put these in order: [[1]], [[2]], [[3]].';
 280          $qdata->questiontextformat = FORMAT_MOODLE;
 281          $qdata->generalfeedback = 'The answer is Alpha, Beta, Gamma.';
 282          $qdata->generalfeedbackformat = FORMAT_MOODLE;
 283          $qdata->defaultmark = 3;
 284          $qdata->length = 1;
 285          $qdata->penalty = 0.3333333;
 286          $qdata->hidden = 0;
 287  
 288          $qdata->options = new \stdClass();
 289          $qdata->options->shuffleanswers = 1;
 290          $qdata->options->correctfeedback = '<p>Your answer is correct.</p>';
 291          $qdata->options->correctfeedbackformat = FORMAT_MOODLE;
 292          $qdata->options->partiallycorrectfeedback = '<p>Your answer is partially correct.</p>';
 293          $qdata->options->partiallycorrectfeedbackformat = FORMAT_MOODLE;
 294          $qdata->options->shownumcorrect = 1;
 295          $qdata->options->incorrectfeedback = '<p>Your answer is incorrect.</p>';
 296          $qdata->options->incorrectfeedbackformat = FORMAT_MOODLE;
 297  
 298          $qdata->options->answers = array(
 299              13 => new question_answer(13, 'Alpha', 0,
 300                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"1";s:8:"infinite";b:0;}',
 301                      FORMAT_MOODLE),
 302              14 => new question_answer(14, 'Beta', 0,
 303                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"1";s:8:"infinite";b:0;}',
 304                      FORMAT_MOODLE),
 305              15 => new question_answer(15, 'Gamma', 0,
 306                      'O:8:"stdClass":2:{s:9:"draggroup";s:1:"1";s:8:"infinite";b:1;}',
 307                      FORMAT_MOODLE),
 308          );
 309  
 310          $qdata->hints = array(
 311              1 => new question_hint_with_parts(1, 'Try again.', FORMAT_MOODLE, true, false),
 312              2 => new question_hint_with_parts(2,
 313                      'These are the first three letters of the Greek alphabet.',
 314                      FORMAT_MOODLE, true, true),
 315          );
 316  
 317          $exporter = new \qformat_xml();
 318          $xml = $exporter->writequestion($qdata);
 319  
 320          $expectedxml = '<!-- question: 123  -->
 321    <question type="ddwtos">
 322      <name>
 323        <text>A drag-and-drop question</text>
 324      </name>
 325      <questiontext format="moodle_auto_format">
 326        <text>Put these in order: [[1]], [[2]], [[3]].</text>
 327      </questiontext>
 328      <generalfeedback format="moodle_auto_format">
 329        <text>The answer is Alpha, Beta, Gamma.</text>
 330      </generalfeedback>
 331      <defaultgrade>3</defaultgrade>
 332      <penalty>0.3333333</penalty>
 333      <hidden>0</hidden>
 334      <idnumber></idnumber>
 335      <shuffleanswers>1</shuffleanswers>
 336      <correctfeedback format="moodle_auto_format">
 337        <text><![CDATA[<p>Your answer is correct.</p>]]></text>
 338      </correctfeedback>
 339      <partiallycorrectfeedback format="moodle_auto_format">
 340        <text><![CDATA[<p>Your answer is partially correct.</p>]]></text>
 341      </partiallycorrectfeedback>
 342      <incorrectfeedback format="moodle_auto_format">
 343        <text><![CDATA[<p>Your answer is incorrect.</p>]]></text>
 344      </incorrectfeedback>
 345      <shownumcorrect/>
 346      <dragbox>
 347        <text>Alpha</text>
 348        <group>1</group>
 349      </dragbox>
 350      <dragbox>
 351        <text>Beta</text>
 352        <group>1</group>
 353      </dragbox>
 354      <dragbox>
 355        <text>Gamma</text>
 356        <group>1</group>
 357        <infinite/>
 358      </dragbox>
 359      <hint format="moodle_auto_format">
 360        <text>Try again.</text>
 361        <shownumcorrect/>
 362      </hint>
 363      <hint format="moodle_auto_format">
 364        <text>These are the first three letters of the Greek alphabet.</text>
 365        <shownumcorrect/>
 366        <clearwrong/>
 367      </hint>
 368    </question>
 369  ';
 370  
 371          $this->assert_same_xml($expectedxml, $xml);
 372      }
 373  }