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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   * Question external functions tests.
  19   *
  20   * @package    core_question
  21   * @category   external
  22   * @copyright  2016 Pau Ferrer <pau@moodle.com>
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   * @since      Moodle 3.1
  25   */
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  global $CFG;
  30  
  31  require_once($CFG->dirroot . '/webservice/tests/helpers.php');
  32  require_once($CFG->dirroot . '/question/engine/tests/helpers.php');
  33  
  34  /**
  35   * Question external functions tests
  36   *
  37   * @package    core_question
  38   * @category   external
  39   * @copyright  2016 Pau Ferrer <pau@moodle.com>
  40   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  41   * @since      Moodle 3.1
  42   */
  43  class core_question_external_testcase extends externallib_advanced_testcase {
  44  
  45      /**
  46       * Set up for every test
  47       */
  48      public function setUp() {
  49          global $DB;
  50          $this->resetAfterTest();
  51          $this->setAdminUser();
  52  
  53          // Setup test data.
  54          $this->course = $this->getDataGenerator()->create_course();
  55  
  56          // Create users.
  57          $this->student = self::getDataGenerator()->create_user();
  58  
  59          // Users enrolments.
  60          $this->studentrole = $DB->get_record('role', array('shortname' => 'student'));
  61          $this->getDataGenerator()->enrol_user($this->student->id, $this->course->id, $this->studentrole->id, 'manual');
  62      }
  63  
  64      /**
  65       * Test update question flag
  66       */
  67      public function test_core_question_update_flag() {
  68  
  69          $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
  70  
  71          // Create a question category.
  72          $cat = $questiongenerator->create_question_category();
  73  
  74          $quba = question_engine::make_questions_usage_by_activity('core_question_update_flag', context_system::instance());
  75          $quba->set_preferred_behaviour('deferredfeedback');
  76          $questiondata = $questiongenerator->create_question('numerical', null, array('category' => $cat->id));
  77          $question = question_bank::load_question($questiondata->id);
  78          $slot = $quba->add_question($question);
  79          $qa = $quba->get_question_attempt($slot);
  80  
  81          self::setUser($this->student);
  82  
  83          $quba->start_all_questions();
  84          question_engine::save_questions_usage_by_activity($quba);
  85  
  86          $qubaid = $quba->get_id();
  87          $questionid = $question->id;
  88          $qaid = $qa->get_database_id();
  89          $checksum = md5($qubaid . "_" . $this->student->secret . "_" . $questionid . "_" . $qaid . "_" . $slot);
  90  
  91          $flag = core_question_external::update_flag($qubaid, $questionid, $qaid, $slot, $checksum, true);
  92          $this->assertTrue($flag['status']);
  93  
  94          // Test invalid checksum.
  95          try {
  96              // Using random_string to force failing.
  97              $checksum = md5($qubaid . "_" . random_string(11) . "_" . $questionid . "_" . $qaid . "_" . $slot);
  98  
  99              core_question_external::update_flag($qubaid, $questionid, $qaid, $slot, $checksum, true);
 100              $this->fail('Exception expected due to invalid checksum.');
 101          } catch (moodle_exception $e) {
 102              $this->assertEquals('errorsavingflags', $e->errorcode);
 103          }
 104      }
 105  }