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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.

Differences Between: [Versions 39 and 310] [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 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  /**
  18   * Tests for the quiz_attempt class.
  19   *
  20   * @package   mod_quiz
  21   * @category  test
  22   * @copyright 2014 Tim Hunt
  23   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  global $CFG;
  29  require_once($CFG->dirroot . '/mod/quiz/locallib.php');
  30  
  31  /**
  32   * Tests for the quiz_attempt class.
  33   *
  34   * @copyright 2014 Tim Hunt
  35   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class mod_quiz_attempt_testcase extends advanced_testcase {
  38  
  39      /**
  40       * Create quiz and attempt data with layout.
  41       *
  42       * @param string $layout layout to set. Like quiz attempt.layout. E.g. '1,2,0,3,4,0,'.
  43       * @param string $navmethod quiz navigation method (defaults to free)
  44       * @return quiz_attempt the new quiz_attempt object
  45       */
  46      protected function create_quiz_and_attempt_with_layout($layout, $navmethod = QUIZ_NAVMETHOD_FREE) {
  47          $this->resetAfterTest(true);
  48  
  49          // Make a user to do the quiz.
  50          $user = $this->getDataGenerator()->create_user();
  51          $course = $this->getDataGenerator()->create_course();
  52          // Make a quiz.
  53          $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
  54          $quiz = $quizgenerator->create_instance(['course' => $course->id,
  55              'grade' => 100.0, 'sumgrades' => 2, 'layout' => $layout, 'navmethod' => $navmethod]);
  56  
  57          $quizobj = quiz::create($quiz->id, $user->id);
  58  
  59  
  60          $quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
  61          $quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
  62  
  63          $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
  64          $cat = $questiongenerator->create_question_category();
  65  
  66          $page = 1;
  67          foreach (explode(',', $layout) as $slot) {
  68              if ($slot == 0) {
  69                  $page += 1;
  70                  continue;
  71              }
  72  
  73              $question = $questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]);
  74              quiz_add_quiz_question($question->id, $quiz, $page);
  75          }
  76  
  77          $timenow = time();
  78          $attempt = quiz_create_attempt($quizobj, 1, false, $timenow, false, $user->id);
  79          quiz_start_new_attempt($quizobj, $quba, $attempt, 1, $timenow);
  80          quiz_attempt_save_started($quizobj, $quba, $attempt);
  81  
  82          return quiz_attempt::create($attempt->id);
  83      }
  84  
  85      public function test_attempt_url() {
  86          $attempt = $this->create_quiz_and_attempt_with_layout('1,2,0,3,4,0,5,6,0');
  87  
  88          $attemptid = $attempt->get_attempt()->id;
  89          $cmid = $attempt->get_cmid();
  90          $url = '/mod/quiz/attempt.php';
  91          $params = ['attempt' => $attemptid, 'cmid' => $cmid, 'page' => 2];
  92  
  93          $this->assertEquals(new moodle_url($url, $params), $attempt->attempt_url(null, 2));
  94  
  95          $params['page'] = 1;
  96          $this->assertEquals(new moodle_url($url, $params), $attempt->attempt_url(3));
  97  
  98          $questionattempt = $attempt->get_question_attempt(4);
  99          $expecteanchor = $questionattempt->get_outer_question_div_unique_id();
 100          $this->assertEquals(new moodle_url($url, $params, $expecteanchor), $attempt->attempt_url(4));
 101  
 102          $this->assertEquals(new moodle_url('#'), $attempt->attempt_url(null, 2, 2));
 103          $this->assertEquals(new moodle_url('#'), $attempt->attempt_url(3, -1, 1));
 104  
 105          $questionattempt = $attempt->get_question_attempt(4);
 106          $expecteanchor = $questionattempt->get_outer_question_div_unique_id();
 107          $this->assertEquals(new moodle_url(null, null, $expecteanchor, null), $attempt->attempt_url(4, -1, 1));
 108  
 109          // Summary page.
 110          $url = '/mod/quiz/summary.php';
 111          unset($params['page']);
 112          $this->assertEquals(new moodle_url($url, $params), $attempt->summary_url());
 113  
 114          // Review page.
 115          $url = '/mod/quiz/review.php';
 116          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url());
 117  
 118          $params['page'] = 1;
 119          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(3, -1, false));
 120          $this->assertEquals(new moodle_url($url, $params, $expecteanchor), $attempt->review_url(4, -1, false));
 121  
 122          unset($params['page']);
 123          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2, true));
 124          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(1, -1, true));
 125  
 126          $params['page'] = 2;
 127          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2, false));
 128          unset($params['page']);
 129  
 130          $params['showall'] = 0;
 131          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 0, false));
 132          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(1, -1, false));
 133  
 134          $params['page'] = 1;
 135          unset($params['showall']);
 136          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(3, -1, false));
 137  
 138          $params['page'] = 2;
 139          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2));
 140          $this->assertEquals(new moodle_url('#'), $attempt->review_url(null, -1, null, 0));
 141  
 142          $questionattempt = $attempt->get_question_attempt(3);
 143          $expecteanchor = '#' . $questionattempt->get_outer_question_div_unique_id();
 144          $this->assertEquals(new moodle_url($expecteanchor), $attempt->review_url(3, -1, null, 0));
 145  
 146          $questionattempt = $attempt->get_question_attempt(4);
 147          $expecteanchor = '#' . $questionattempt->get_outer_question_div_unique_id();
 148          $this->assertEquals(new moodle_url($expecteanchor), $attempt->review_url(4, -1, null, 0));
 149          $this->assertEquals(new moodle_url('#'), $attempt->review_url(null, 2, true, 0));
 150          $this->assertEquals(new moodle_url('#'), $attempt->review_url(1, -1, true, 0));
 151          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2, false, 0));
 152          $this->assertEquals(new moodle_url('#'), $attempt->review_url(null, 0, false, 0));
 153          $this->assertEquals(new moodle_url('#'), $attempt->review_url(1, -1, false, 0));
 154  
 155          $params['page'] = 1;
 156          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(3, -1, false, 0));
 157  
 158          // Setup another attempt.
 159          $attempt = $this->create_quiz_and_attempt_with_layout(
 160              '1,2,3,4,5,6,7,8,9,10,0,11,12,13,14,15,16,17,18,19,20,0,' .
 161              '21,22,23,24,25,26,27,28,29,30,0,31,32,33,34,35,36,37,38,39,40,0,' .
 162              '41,42,43,44,45,46,47,48,49,50,0,51,52,53,54,55,56,57,58,59,60,0');
 163  
 164          $attemptid = $attempt->get_attempt()->id;
 165          $cmid = $attempt->get_cmid();
 166          $params = ['attempt' => $attemptid, 'cmid' => $cmid];
 167          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url());
 168  
 169          $params['page'] = 2;
 170          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2));
 171  
 172          $params['page'] = 1;
 173          unset($params['showall']);
 174          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(11, -1, false));
 175  
 176          $questionattempt = $attempt->get_question_attempt(12);
 177          $expecteanchor = $questionattempt->get_outer_question_div_unique_id();
 178          $this->assertEquals(new moodle_url($url, $params, $expecteanchor), $attempt->review_url(12, -1, false));
 179  
 180          $params['showall'] = 1;
 181          unset($params['page']);
 182          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2, true));
 183  
 184          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(1, -1, true));
 185          $params['page'] = 2;
 186          unset($params['showall']);
 187          $this->assertEquals(new moodle_url($url, $params),  $attempt->review_url(null, 2, false));
 188          unset($params['page']);
 189          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 0, false));
 190          $params['page'] = 1;
 191          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(11, -1, false));
 192          $this->assertEquals(new moodle_url($url, $params, $expecteanchor), $attempt->review_url(12, -1, false));
 193          $params['page'] = 2;
 194          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2));
 195          $this->assertEquals(new moodle_url('#'), $attempt->review_url(null, -1, null, 0));
 196  
 197          $questionattempt = $attempt->get_question_attempt(3);
 198          $expecteanchor = $questionattempt->get_outer_question_div_unique_id();
 199          $this->assertEquals(new moodle_url(null, null, $expecteanchor), $attempt->review_url(3, -1, null, 0));
 200  
 201          $questionattempt = $attempt->get_question_attempt(4);
 202          $expecteanchor = $questionattempt->get_outer_question_div_unique_id();
 203          $this->assertEquals(new moodle_url(null, null, $expecteanchor), $attempt->review_url(4, -1, null, 0));
 204  
 205          $this->assertEquals(new moodle_url('#'), $attempt->review_url(null, 2, true, 0));
 206          $this->assertEquals(new moodle_url('#'), $attempt->review_url(1, -1, true, 0));
 207  
 208          $params['page'] = 2;
 209          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(null, 2, false, 0));
 210          $this->assertEquals(new moodle_url('#'), $attempt->review_url(null, 0, false, 0));
 211          $this->assertEquals(new moodle_url('#'), $attempt->review_url(1, -1, false, 0));
 212  
 213          $params['page'] = 1;
 214          $this->assertEquals(new moodle_url($url, $params), $attempt->review_url(11, -1, false, 0));
 215      }
 216  
 217      /**
 218       * Tests attempt page titles when all questions are on a single page.
 219       */
 220      public function test_attempt_titles_single() {
 221          $attempt = $this->create_quiz_and_attempt_with_layout('1,2,0');
 222  
 223          // Attempt page.
 224          $this->assertEquals('Quiz 1', $attempt->attempt_page_title(0));
 225  
 226          // Summary page.
 227          $this->assertEquals('Quiz 1: Attempt summary', $attempt->summary_page_title());
 228  
 229          // Review page.
 230          $this->assertEquals('Quiz 1: Attempt review', $attempt->review_page_title(0));
 231      }
 232  
 233      /**
 234       * Tests attempt page titles when questions are on multiple pages, but are reviewed on a single page.
 235       */
 236      public function test_attempt_titles_multiple_single() {
 237          $attempt = $this->create_quiz_and_attempt_with_layout('1,2,0,3,4,0,5,6,0');
 238  
 239          // Attempt page.
 240          $this->assertEquals('Quiz 1 (page 1 of 3)', $attempt->attempt_page_title(0));
 241          $this->assertEquals('Quiz 1 (page 2 of 3)', $attempt->attempt_page_title(1));
 242          $this->assertEquals('Quiz 1 (page 3 of 3)', $attempt->attempt_page_title(2));
 243  
 244          // Summary page.
 245          $this->assertEquals('Quiz 1: Attempt summary', $attempt->summary_page_title());
 246  
 247          // Review page.
 248          $this->assertEquals('Quiz 1: Attempt review', $attempt->review_page_title(0, true));
 249      }
 250  
 251      /**
 252       * Tests attempt page titles when questions are on multiple pages, and they are reviewed on multiple pages as well.
 253       */
 254      public function test_attempt_titles_multiple_multiple() {
 255          $attempt = $this->create_quiz_and_attempt_with_layout(
 256                  '1,2,3,4,5,6,7,8,9,10,0,11,12,13,14,15,16,17,18,19,20,0,' .
 257                  '21,22,23,24,25,26,27,28,29,30,0,31,32,33,34,35,36,37,38,39,40,0,' .
 258                  '41,42,43,44,45,46,47,48,49,50,0,51,52,53,54,55,56,57,58,59,60,0');
 259  
 260          // Attempt page.
 261          $this->assertEquals('Quiz 1 (page 1 of 6)', $attempt->attempt_page_title(0));
 262          $this->assertEquals('Quiz 1 (page 2 of 6)', $attempt->attempt_page_title(1));
 263          $this->assertEquals('Quiz 1 (page 6 of 6)', $attempt->attempt_page_title(5));
 264  
 265          // Summary page.
 266          $this->assertEquals('Quiz 1: Attempt summary', $attempt->summary_page_title());
 267  
 268          // Review page.
 269          $this->assertEquals('Quiz 1: Attempt review (page 1 of 6)', $attempt->review_page_title(0));
 270          $this->assertEquals('Quiz 1: Attempt review (page 2 of 6)', $attempt->review_page_title(1));
 271          $this->assertEquals('Quiz 1: Attempt review (page 6 of 6)', $attempt->review_page_title(5));
 272  
 273          // When all questions are shown.
 274          $this->assertEquals('Quiz 1: Attempt review', $attempt->review_page_title(0, true));
 275          $this->assertEquals('Quiz 1: Attempt review', $attempt->review_page_title(1, true));
 276      }
 277  
 278      public function test_is_participant() {
 279          global $USER;
 280          $this->resetAfterTest();
 281          $this->setAdminUser();
 282          $course = $this->getDataGenerator()->create_course();
 283          $student = $this->getDataGenerator()->create_and_enrol($course, 'student');
 284          $student2 = $this->getDataGenerator()->create_and_enrol($course, 'student', [], 'manual', 0, 0, ENROL_USER_SUSPENDED);
 285          $quiz = $this->getDataGenerator()->create_module('quiz', array('course' => $course->id));
 286          $quizobj = quiz::create($quiz->id);
 287  
 288          // Login as student.
 289          $this->setUser($student);
 290          // Convert to a lesson object.
 291          $this->assertEquals(true, $quizobj->is_participant($student->id),
 292              'Student is enrolled, active and can participate');
 293  
 294          // Login as student2.
 295          $this->setUser($student2);
 296          $this->assertEquals(false, $quizobj->is_participant($student2->id),
 297              'Student is enrolled, suspended and can NOT participate');
 298  
 299          // Login as an admin.
 300          $this->setAdminUser();
 301          $this->assertEquals(false, $quizobj->is_participant($USER->id),
 302              'Admin is not enrolled and can NOT participate');
 303  
 304          $this->getDataGenerator()->enrol_user(2, $course->id);
 305          $this->assertEquals(true, $quizobj->is_participant($USER->id),
 306              'Admin is enrolled and can participate');
 307  
 308          $this->getDataGenerator()->enrol_user(2, $course->id, [], 'manual', 0, 0, ENROL_USER_SUSPENDED);
 309          $this->assertEquals(true, $quizobj->is_participant($USER->id),
 310              'Admin is enrolled, suspended and can participate');
 311      }
 312  
 313      /**
 314       * Test quiz_prepare_and_start_new_attempt function
 315       */
 316      public function test_quiz_prepare_and_start_new_attempt() {
 317          global $USER;
 318          $this->resetAfterTest();
 319  
 320          // Create course.
 321          $course = $this->getDataGenerator()->create_course();
 322          // Create students.
 323          $student1 = $this->getDataGenerator()->create_and_enrol($course, 'student');
 324          $student2 = $this->getDataGenerator()->create_and_enrol($course, 'student');
 325          // Create quiz.
 326          $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
 327          $quiz = $quizgenerator->create_instance(['course' => $course->id, 'grade' => 100.0, 'sumgrades' => 2, 'layout' => '1,0']);
 328          // Create question and add it to quiz.
 329          $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
 330          $cat = $questiongenerator->create_question_category();
 331          $question = $questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]);
 332          quiz_add_quiz_question($question->id, $quiz, 1);
 333  
 334          $quizobj = quiz::create($quiz->id);
 335  
 336          // Login as student1.
 337          $this->setUser($student1);
 338          // Create attempt for student1.
 339          $attempt = quiz_prepare_and_start_new_attempt($quizobj, 1, null, false, [], []);
 340          $this->assertEquals($student1->id, $attempt->userid);
 341          $this->assertEquals(0, $attempt->preview);
 342  
 343          // Login as student2.
 344          $this->setUser($student2);
 345          // Create attempt for student2.
 346          $attempt = quiz_prepare_and_start_new_attempt($quizobj, 1, null, false, [], []);
 347          $this->assertEquals($student2->id, $attempt->userid);
 348          $this->assertEquals(0, $attempt->preview);
 349  
 350          // Login as admin.
 351          $this->setAdminUser();
 352          // Create attempt for student1.
 353          $attempt = quiz_prepare_and_start_new_attempt($quizobj, 2, null, false, [], [], $student1->id);
 354          $this->assertEquals($student1->id, $attempt->userid);
 355          $this->assertEquals(0, $attempt->preview);
 356          $student1attempt = $attempt; // Save for extra verification below.
 357          // Create attempt for student2.
 358          $attempt = quiz_prepare_and_start_new_attempt($quizobj, 2, null, false, [], [], $student2->id);
 359          $this->assertEquals($student2->id, $attempt->userid);
 360          $this->assertEquals(0, $attempt->preview);
 361          // Create attempt for user id that the same with current $USER->id.
 362          $attempt = quiz_prepare_and_start_new_attempt($quizobj, 2, null, false, [], [], $USER->id);
 363          $this->assertEquals($USER->id, $attempt->userid);
 364          $this->assertEquals(1, $attempt->preview);
 365  
 366          // Check that the userid stored in the first step is the user the attempt is for,
 367          // not the user who triggered the creation.
 368          $quba = question_engine::load_questions_usage_by_activity($student1attempt->uniqueid);
 369          $step = $quba->get_question_attempt(1)->get_step(0);
 370          $this->assertEquals($student1->id, $step->get_user_id());
 371      }
 372  
 373      /**
 374       * Test check_page_access function
 375       * @covers \quiz_attempt::check_page_access
 376       */
 377      public function test_check_page_access() {
 378          $timenow = time();
 379  
 380          // Free navigation.
 381          $attempt = $this->create_quiz_and_attempt_with_layout('1,0,2,0,3,0,4,0,5,0', QUIZ_NAVMETHOD_FREE);
 382  
 383          // Check access.
 384          $this->assertTrue($attempt->check_page_access(4));
 385          $this->assertTrue($attempt->check_page_access(3));
 386          $this->assertTrue($attempt->check_page_access(2));
 387          $this->assertTrue($attempt->check_page_access(1));
 388          $this->assertTrue($attempt->check_page_access(0));
 389          $this->assertTrue($attempt->check_page_access(2));
 390  
 391          // Access page 2.
 392          $attempt->set_currentpage(2);
 393          $attempt = quiz_attempt::create($attempt->get_attempt()->id);
 394  
 395          // Check access.
 396          $this->assertTrue($attempt->check_page_access(0));
 397          $this->assertTrue($attempt->check_page_access(1));
 398          $this->assertTrue($attempt->check_page_access(2));
 399          $this->assertTrue($attempt->check_page_access(3));
 400          $this->assertTrue($attempt->check_page_access(4));
 401  
 402          // Sequential navigation.
 403          $attempt = $this->create_quiz_and_attempt_with_layout('1,0,2,0,3,0,4,0,5,0', QUIZ_NAVMETHOD_SEQ);
 404  
 405          // Check access.
 406          $this->assertTrue($attempt->check_page_access(0));
 407          $this->assertTrue($attempt->check_page_access(1));
 408          $this->assertFalse($attempt->check_page_access(2));
 409          $this->assertFalse($attempt->check_page_access(3));
 410          $this->assertFalse($attempt->check_page_access(4));
 411  
 412          // Access page 1.
 413          $attempt->set_currentpage(1);
 414          $attempt = quiz_attempt::create($attempt->get_attempt()->id);
 415          $this->assertTrue($attempt->check_page_access(1));
 416  
 417          // Access page 2.
 418          $attempt->set_currentpage(2);
 419          $attempt = quiz_attempt::create($attempt->get_attempt()->id);
 420          $this->assertTrue($attempt->check_page_access(2));
 421  
 422          $this->assertTrue($attempt->check_page_access(3));
 423          $this->assertFalse($attempt->check_page_access(4));
 424          $this->assertFalse($attempt->check_page_access(1));
 425      }
 426  }