[Summary view]

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   * PHPUnit tests for backup and restore functionality.
  19   *
  20   * @package    quizaccess_seb
  21   * @author     Dmitrii Metelkin <dmitriim@catalyst-au.net>
  22   * @copyright  2020 Catalyst IT
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  
  27  defined('MOODLE_INTERNAL') || die();
  28  
  29  require_once (__DIR__ . '/test_helper_trait.php');
  30  
  31  /**
  32   * PHPUnit tests for backup and restore functionality.
  33   *
  34   * @copyright  2020 Catalyst IT
  35   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  36   */
  37  class quizaccess_seb_backup_restore_testcase extends advanced_testcase {
  38      use quizaccess_seb_test_helper_trait;
  39  
  40  
  41      /** @var \quizaccess_seb\template $template A test template. */
  42      protected $template;
  43  
  44      /**
  45       * Called before every test.
  46       */
  47      public function setUp() {
  48          global $USER;
  49  
  50          parent::setUp();
  51  
  52          $this->resetAfterTest();
  53          $this->setAdminUser();
  54  
  55          $this->course = $this->getDataGenerator()->create_course();
  56          $this->template = $this->create_template();
  57          $this->user = $USER;
  58      }
  59  
  60      /**
  61       * A helper method to create a quiz with template usage of SEB.
  62       *
  63       * @return \quizaccess_seb\quiz_settings
  64       */
  65      protected function create_quiz_with_template() {
  66          $this->quiz = $this->create_test_quiz($this->course, \quizaccess_seb\settings_provider::USE_SEB_CONFIG_MANUALLY);
  67          $quizsettings = \quizaccess_seb\quiz_settings::get_record(['quizid' => $this->quiz->id]);
  68          $quizsettings->set('requiresafeexambrowser', \quizaccess_seb\settings_provider::USE_SEB_TEMPLATE);
  69          $quizsettings->set('templateid', $this->template->get('id'));
  70          $quizsettings->save();
  71  
  72          return $quizsettings;
  73      }
  74  
  75      /**
  76       * A helper method to emulate backup and restore of the quiz.
  77       *
  78       * @return \cm_info|null
  79       */
  80      protected function backup_and_restore_quiz() {
  81          return duplicate_module($this->course, get_fast_modinfo($this->course)->get_cm($this->quiz->cmid));
  82      }
  83  
  84      /**
  85       * A helper method to backup test quiz.
  86       *
  87       * @return mixed A backup ID ready to be restored.
  88       */
  89      protected function backup_quiz() {
  90          global $CFG;
  91  
  92          // Get the necessary files to perform backup and restore.
  93          require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
  94          require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
  95  
  96          $backupid = 'test-seb-backup-restore';
  97  
  98          $bc = new backup_controller(backup::TYPE_1ACTIVITY, $this->quiz->coursemodule, backup::FORMAT_MOODLE,
  99              backup::INTERACTIVE_NO, backup::MODE_GENERAL, $this->user->id);
 100          $bc->execute_plan();
 101  
 102          $results = $bc->get_results();
 103          $file = $results['backup_destination'];
 104          $fp = get_file_packer('application/vnd.moodle.backup');
 105          $filepath = $CFG->dataroot . '/temp/backup/' . $backupid;
 106          $file->extract_to_pathname($fp, $filepath);
 107          $bc->destroy();
 108  
 109          return $backupid;
 110      }
 111  
 112      /**
 113       * A helper method to restore provided backup.
 114       *
 115       * @param string $backupid Backup ID to restore.
 116       */
 117      protected function restore_quiz($backupid) {
 118          $rc = new restore_controller($backupid, $this->course->id,
 119              backup::INTERACTIVE_NO, backup::MODE_GENERAL, $this->user->id, backup::TARGET_CURRENT_ADDING);
 120          $this->assertTrue($rc->execute_precheck());
 121          $rc->execute_plan();
 122          $rc->destroy();
 123      }
 124  
 125      /**
 126       * A helper method to emulate restoring to a different site.
 127       */
 128      protected function change_site() {
 129          set_config('siteidentifier', random_string(32) . 'not the same site');
 130      }
 131  
 132      /**
 133       * A helper method to validate backup and restore results.
 134       *
 135       * @param cm_info $newcm Restored course_module object.
 136       */
 137      protected function validate_backup_restore(cm_info $newcm) {
 138          $this->assertEquals(2, quizaccess_seb\quiz_settings::count_records());
 139          $actual = \quizaccess_seb\quiz_settings::get_record(['quizid' => $newcm->instance]);
 140  
 141          $expected = \quizaccess_seb\quiz_settings::get_record(['quizid' => $this->quiz->id]);
 142          $this->assertEquals($expected->get('templateid'), $actual->get('templateid'));
 143          $this->assertEquals($expected->get('requiresafeexambrowser'), $actual->get('requiresafeexambrowser'));
 144          $this->assertEquals($expected->get('showsebdownloadlink'), $actual->get('showsebdownloadlink'));
 145          $this->assertEquals($expected->get('allowuserquitseb'), $actual->get('allowuserquitseb'));
 146          $this->assertEquals($expected->get('quitpassword'), $actual->get('quitpassword'));
 147          $this->assertEquals($expected->get('allowedbrowserexamkeys'), $actual->get('allowedbrowserexamkeys'));
 148  
 149          // Validate specific SEB config settings.
 150          foreach (\quizaccess_seb\settings_provider::get_seb_config_elements() as $name => $notused) {
 151              $name = preg_replace("/^seb_/", "", $name);
 152              $this->assertEquals($expected->get($name), $actual->get($name));
 153          }
 154      }
 155  
 156      /**
 157       * Test backup and restore when no seb.
 158       */
 159      public function test_backup_restore_no_seb() {
 160          $this->quiz = $this->create_test_quiz($this->course, \quizaccess_seb\settings_provider::USE_SEB_NO);
 161          $this->assertEquals(0, quizaccess_seb\quiz_settings::count_records());
 162  
 163          $this->backup_and_restore_quiz();
 164          $this->assertEquals(0, quizaccess_seb\quiz_settings::count_records());
 165      }
 166  
 167      /**
 168       * Test backup and restore when manually configured.
 169       */
 170      public function test_backup_restore_manual_config() {
 171          $this->quiz = $this->create_test_quiz($this->course, \quizaccess_seb\settings_provider::USE_SEB_CONFIG_MANUALLY);
 172  
 173          $expected = \quizaccess_seb\quiz_settings::get_record(['quizid' => $this->quiz->id]);
 174          $expected->set('showsebdownloadlink', 0);
 175          $expected->set('quitpassword', '123');
 176          $expected->save();
 177  
 178          $this->assertEquals(1, quizaccess_seb\quiz_settings::count_records());
 179  
 180          $newcm = $this->backup_and_restore_quiz();
 181          $this->validate_backup_restore($newcm);
 182      }
 183  
 184      /**
 185       * Test backup and restore when using template.
 186       */
 187      public function test_backup_restore_template_config() {
 188          $this->quiz = $this->create_test_quiz($this->course, \quizaccess_seb\settings_provider::USE_SEB_CONFIG_MANUALLY);
 189  
 190          $expected = \quizaccess_seb\quiz_settings::get_record(['quizid' => $this->quiz->id]);
 191          $template = $this->create_template();
 192          $expected->set('requiresafeexambrowser', \quizaccess_seb\settings_provider::USE_SEB_TEMPLATE);
 193          $expected->set('templateid', $template->get('id'));
 194          $expected->save();
 195  
 196          $this->assertEquals(1, quizaccess_seb\quiz_settings::count_records());
 197  
 198          $newcm = $this->backup_and_restore_quiz();
 199          $this->validate_backup_restore($newcm);
 200      }
 201  
 202      /**
 203       * Test backup and restore when using uploaded file.
 204       */
 205      public function test_backup_restore_uploaded_config() {
 206          $this->quiz = $this->create_test_quiz($this->course, \quizaccess_seb\settings_provider::USE_SEB_CONFIG_MANUALLY);
 207  
 208          $expected = \quizaccess_seb\quiz_settings::get_record(['quizid' => $this->quiz->id]);
 209          $expected->set('requiresafeexambrowser', \quizaccess_seb\settings_provider::USE_SEB_UPLOAD_CONFIG);
 210          $xml = file_get_contents(__DIR__ . '/fixtures/unencrypted.seb');
 211          $this->create_module_test_file($xml, $this->quiz->cmid);
 212          $expected->save();
 213  
 214          $this->assertEquals(1, quizaccess_seb\quiz_settings::count_records());
 215  
 216          $newcm = $this->backup_and_restore_quiz();
 217          $this->validate_backup_restore($newcm);
 218  
 219          $expectedfile = \quizaccess_seb\settings_provider::get_module_context_sebconfig_file($this->quiz->cmid);
 220          $actualfile = \quizaccess_seb\settings_provider::get_module_context_sebconfig_file($newcm->id);
 221  
 222          $this->assertEquals($expectedfile->get_content(), $actualfile->get_content());
 223      }
 224  
 225      /**
 226       * No new template should be restored if restoring to a different site,
 227       * but the template with  the same name and content exists..
 228       */
 229      public function test_restore_template_to_a_different_site_when_the_same_template_exists() {
 230          $this->create_quiz_with_template();
 231          $backupid = $this->backup_quiz();
 232  
 233          $this->assertEquals(1, quizaccess_seb\quiz_settings::count_records());
 234          $this->assertEquals(1, quizaccess_seb\template::count_records());
 235  
 236          $this->change_site();
 237          $this->restore_quiz($backupid);
 238  
 239          // Should see additional setting record, but no new template record.
 240          $this->assertEquals(2, quizaccess_seb\quiz_settings::count_records());
 241          $this->assertEquals(1, quizaccess_seb\template::count_records());
 242      }
 243  
 244      /**
 245       * A new template should be restored if restoring to a different site, but existing template
 246       * has the same content, but different name.
 247       */
 248      public function test_restore_template_to_a_different_site_when_the_same_content_but_different_name() {
 249          $this->create_quiz_with_template();
 250          $backupid = $this->backup_quiz();
 251  
 252          $this->assertEquals(1, quizaccess_seb\quiz_settings::count_records());
 253          $this->assertEquals(1, quizaccess_seb\template::count_records());
 254  
 255          $this->template->set('name', 'New name for template');
 256          $this->template->save();
 257  
 258          $this->change_site();
 259          $this->restore_quiz($backupid);
 260  
 261          // Should see additional setting record, and new template record.
 262          $this->assertEquals(2, quizaccess_seb\quiz_settings::count_records());
 263          $this->assertEquals(2, quizaccess_seb\template::count_records());
 264      }
 265  
 266      /**
 267       * A new template should be restored if restoring to a different site, but existing template
 268       * has the same name, but different content.
 269       */
 270      public function test_restore_template_to_a_different_site_when_the_same_name_but_different_content() {
 271          global $CFG;
 272  
 273          $this->create_quiz_with_template();
 274          $backupid = $this->backup_quiz();
 275  
 276          $this->assertEquals(1, quizaccess_seb\quiz_settings::count_records());
 277          $this->assertEquals(1, quizaccess_seb\template::count_records());
 278  
 279          $newxml = file_get_contents($CFG->dirroot . '/mod/quiz/accessrule/seb/tests/fixtures/simpleunencrypted.seb');
 280          $this->template->set('content', $newxml);
 281          $this->template->save();
 282  
 283          $this->change_site();
 284          $this->restore_quiz($backupid);
 285  
 286          // Should see additional setting record, and new template record.
 287          $this->assertEquals(2, quizaccess_seb\quiz_settings::count_records());
 288          $this->assertEquals(2, quizaccess_seb\template::count_records());
 289      }
 290  
 291  }