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Differences Between: [Versions 310 and 311] [Versions 311 and 400] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   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 core_availability;
  18  
  19  /**
  20   * Unit tests for info and subclasses.
  21   *
  22   * @package core_availability
  23   * @copyright 2014 The Open University
  24   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  class info_test extends \advanced_testcase {
  27      public function setUp(): void {
  28          // Load the mock condition so that it can be used.
  29          require_once (__DIR__ . '/fixtures/mock_condition.php');
  30      }
  31  
  32      /**
  33       * Tests the info_module class (is_available, get_full_information).
  34       */
  35      public function test_info_module() {
  36          global $DB, $CFG;
  37  
  38          // Create a course and pages.
  39          $CFG->enableavailability = 0;
  40          $this->setAdminUser();
  41          $this->resetAfterTest();
  42          $generator = $this->getDataGenerator();
  43          $course = $generator->create_course();
  44          $rec = array('course' => $course);
  45          $page1 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
  46          $page2 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
  47          $page3 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
  48          $page4 = $generator->get_plugin_generator('mod_page')->create_instance($rec);
  49  
  50          // Set up the availability option for the pages to mock options.
  51          $DB->set_field('course_modules', 'availability', '{"op":"|","show":true,"c":[' .
  52                  '{"type":"mock","a":false,"m":"grandmaster flash"}]}', array('id' => $page1->cmid));
  53          $DB->set_field('course_modules', 'availability', '{"op":"|","show":true,"c":[' .
  54                  '{"type":"mock","a":true,"m":"the furious five"}]}', array('id' => $page2->cmid));
  55  
  56          // Third page is invalid. (Fourth has no availability settings.)
  57          $DB->set_field('course_modules', 'availability', '{{{', array('id' => $page3->cmid));
  58  
  59          $modinfo = get_fast_modinfo($course);
  60          $cm1 = $modinfo->get_cm($page1->cmid);
  61          $cm2 = $modinfo->get_cm($page2->cmid);
  62          $cm3 = $modinfo->get_cm($page3->cmid);
  63          $cm4 = $modinfo->get_cm($page4->cmid);
  64  
  65          // Do availability and full information checks.
  66          $info = new info_module($cm1);
  67          $information = '';
  68          $this->assertFalse($info->is_available($information));
  69          $this->assertEquals('SA: grandmaster flash', $information);
  70          $this->assertEquals('SA: [FULL]grandmaster flash', $info->get_full_information());
  71          $info = new info_module($cm2);
  72          $this->assertTrue($info->is_available($information));
  73          $this->assertEquals('', $information);
  74          $this->assertEquals('SA: [FULL]the furious five', $info->get_full_information());
  75  
  76          // Check invalid one.
  77          $info = new info_module($cm3);
  78          $this->assertFalse($info->is_available($information));
  79          $debugging = $this->getDebuggingMessages();
  80          $this->resetDebugging();
  81          $this->assertEquals(1, count($debugging));
  82          $this->assertStringContainsString('Invalid availability', $debugging[0]->message);
  83  
  84          // Check empty one.
  85          $info = new info_module($cm4);
  86          $this->assertTrue($info->is_available($information));
  87          $this->assertEquals('', $information);
  88          $this->assertEquals('', $info->get_full_information());
  89      }
  90  
  91      /**
  92       * Tests the info_section class (is_available, get_full_information).
  93       */
  94      public function test_info_section() {
  95          global $DB;
  96  
  97          // Create a course.
  98          $this->setAdminUser();
  99          $this->resetAfterTest();
 100          $generator = $this->getDataGenerator();
 101          $course = $generator->create_course(
 102                  array('numsections' => 4), array('createsections' => true));
 103  
 104          // Set up the availability option for the sections to mock options.
 105          $DB->set_field('course_sections', 'availability', '{"op":"|","show":true,"c":[' .
 106                  '{"type":"mock","a":false,"m":"public"}]}',
 107                  array('course' => $course->id, 'section' => 1));
 108          $DB->set_field('course_sections', 'availability', '{"op":"|","show":true,"c":[' .
 109                  '{"type":"mock","a":true,"m":"enemy"}]}',
 110                  array('course' => $course->id, 'section' => 2));
 111  
 112          // Third section is invalid. (Fourth has no availability setting.)
 113          $DB->set_field('course_sections', 'availability', '{{{',
 114                  array('course' => $course->id, 'section' => 3));
 115  
 116          $modinfo = get_fast_modinfo($course);
 117          $sections = $modinfo->get_section_info_all();
 118  
 119          // Do availability and full information checks.
 120          $info = new info_section($sections[1]);
 121          $information = '';
 122          $this->assertFalse($info->is_available($information));
 123          $this->assertEquals('SA: public', $information);
 124          $this->assertEquals('SA: [FULL]public', $info->get_full_information());
 125          $info = new info_section($sections[2]);
 126          $this->assertTrue($info->is_available($information));
 127          $this->assertEquals('', $information);
 128          $this->assertEquals('SA: [FULL]enemy', $info->get_full_information());
 129  
 130          // Check invalid one.
 131          $info = new info_section($sections[3]);
 132          $this->assertFalse($info->is_available($information));
 133          $debugging = $this->getDebuggingMessages();
 134          $this->resetDebugging();
 135          $this->assertEquals(1, count($debugging));
 136          $this->assertStringContainsString('Invalid availability', $debugging[0]->message);
 137  
 138          // Check empty one.
 139          $info = new info_section($sections[4]);
 140          $this->assertTrue($info->is_available($information));
 141          $this->assertEquals('', $information);
 142          $this->assertEquals('', $info->get_full_information());
 143      }
 144  
 145      /**
 146       * Tests the is_user_visible() static function in info_module.
 147       */
 148      public function test_is_user_visible() {
 149          global $CFG, $DB;
 150          require_once($CFG->dirroot . '/course/lib.php');
 151          $this->resetAfterTest();
 152          $CFG->enableavailability = 0;
 153  
 154          // Create a course and some pages:
 155          // 0. Invisible due to visible=0.
 156          // 1. Availability restriction (mock, set to fail).
 157          // 2. Availability restriction on section (mock, set to fail).
 158          // 3. Actually visible.
 159          $generator = $this->getDataGenerator();
 160          $course = $generator->create_course(
 161                  array('numsections' => 1), array('createsections' => true));
 162          $rec = array('course' => $course, );
 163          $pages = array();
 164          $pagegen = $generator->get_plugin_generator('mod_page');
 165          $pages[0] = $pagegen->create_instance($rec, array('visible' => 0));
 166          $pages[1] = $pagegen->create_instance($rec);
 167          $pages[2] = $pagegen->create_instance($rec);
 168          $pages[3] = $pagegen->create_instance($rec);
 169          $modinfo = get_fast_modinfo($course);
 170          $section = $modinfo->get_section_info(1);
 171          $cm = $modinfo->get_cm($pages[2]->cmid);
 172          moveto_module($cm, $section);
 173  
 174          // Set the availability restrictions in database. The enableavailability
 175          // setting is off so these do not take effect yet.
 176          $notavailable = '{"op":"|","show":true,"c":[{"type":"mock","a":false}]}';
 177          $DB->set_field('course_sections', 'availability',
 178                  $notavailable, array('id' => $section->id));
 179          $DB->set_field('course_modules', 'availability',
 180                  $notavailable, array('id' => $pages[1]->cmid));
 181          get_fast_modinfo($course, 0, true);
 182  
 183          // Set up 4 users - a teacher and student plus somebody who isn't even
 184          // on the course. Also going to use admin user and a spare student to
 185          // avoid cache problems.
 186          $roleids = $DB->get_records_menu('role', null, '', 'shortname, id');
 187          $teacher = $generator->create_user();
 188          $student = $generator->create_user();
 189          $student2 = $generator->create_user();
 190          $other = $generator->create_user();
 191          $admin = $DB->get_record('user', array('username' => 'admin'));
 192          $generator->enrol_user($teacher->id, $course->id, $roleids['teacher']);
 193          $generator->enrol_user($student->id, $course->id, $roleids['student']);
 194          $generator->enrol_user($student2->id, $course->id, $roleids['student']);
 195  
 196          // Basic case when availability disabled, for visible item.
 197          $this->assertTrue(info_module::is_user_visible($pages[3]->cmid, $student->id, false));
 198  
 199          // Specifying as an object should not make any queries.
 200          $cm = $DB->get_record('course_modules', array('id' => $pages[3]->cmid));
 201          $beforequeries = $DB->perf_get_queries();
 202          $this->assertTrue(info_module::is_user_visible($cm, $student->id, false));
 203          $this->assertEquals($beforequeries, $DB->perf_get_queries());
 204  
 205          // Specifying as cm_info for correct user should not make any more queries
 206          // if we have already obtained dynamic data.
 207          $modinfo = get_fast_modinfo($course, $student->id);
 208          $cminfo = $modinfo->get_cm($cm->id);
 209          // This will obtain dynamic data.
 210          $name = $cminfo->name;
 211          $beforequeries = $DB->perf_get_queries();
 212          $this->assertTrue(info_module::is_user_visible($cminfo, $student->id, false));
 213          $this->assertEquals($beforequeries, $DB->perf_get_queries());
 214  
 215          // Function does not care if you are in the course (unless $checkcourse).
 216          $this->assertTrue(info_module::is_user_visible($cm, $other->id, false));
 217  
 218          // With $checkcourse, check for enrolled, not enrolled, and admin user.
 219          $this->assertTrue(info_module::is_user_visible($cm, $student->id, true));
 220          $this->assertFalse(info_module::is_user_visible($cm, $other->id, true));
 221          $this->assertTrue(info_module::is_user_visible($cm, $admin->id, true));
 222  
 223          // With availability off, the student can access all except the
 224          // visible=0 one.
 225          $this->assertFalse(info_module::is_user_visible($pages[0]->cmid, $student->id, false));
 226          $this->assertTrue(info_module::is_user_visible($pages[1]->cmid, $student->id, false));
 227          $this->assertTrue(info_module::is_user_visible($pages[2]->cmid, $student->id, false));
 228  
 229          // Teacher and admin can even access the visible=0 one.
 230          $this->assertTrue(info_module::is_user_visible($pages[0]->cmid, $teacher->id, false));
 231          $this->assertTrue(info_module::is_user_visible($pages[0]->cmid, $admin->id, false));
 232  
 233          // Now enable availability (and clear cache).
 234          $CFG->enableavailability = true;
 235          get_fast_modinfo($course, 0, true);
 236  
 237          // Student cannot access the activity restricted by its own or by the
 238          // section's availability.
 239          $this->assertFalse(info_module::is_user_visible($pages[1]->cmid, $student->id, false));
 240          $this->assertFalse(info_module::is_user_visible($pages[2]->cmid, $student->id, false));
 241      }
 242  
 243      /**
 244       * Tests the convert_legacy_fields function used in restore.
 245       */
 246      public function test_convert_legacy_fields() {
 247          // Check with no availability conditions first.
 248          $rec = (object)array('availablefrom' => 0, 'availableuntil' => 0,
 249                  'groupingid' => 7, 'showavailability' => 1);
 250          $this->assertNull(info::convert_legacy_fields($rec, false));
 251  
 252          // Check same list for a section.
 253          $this->assertEquals(
 254                  '{"op":"&","showc":[false],"c":[{"type":"grouping","id":7}]}',
 255                  info::convert_legacy_fields($rec, true));
 256  
 257          // Check groupmembersonly with grouping.
 258          $rec->groupmembersonly = 1;
 259          $this->assertEquals(
 260                  '{"op":"&","showc":[false],"c":[{"type":"grouping","id":7}]}',
 261                  info::convert_legacy_fields($rec, false));
 262  
 263          // Check groupmembersonly without grouping.
 264          $rec->groupingid = 0;
 265          $this->assertEquals(
 266                  '{"op":"&","showc":[false],"c":[{"type":"group"}]}',
 267                  info::convert_legacy_fields($rec, false));
 268  
 269          // Check start date.
 270          $rec->groupmembersonly = 0;
 271          $rec->availablefrom = 123;
 272          $this->assertEquals(
 273                  '{"op":"&","showc":[true],"c":[{"type":"date","d":">=","t":123}]}',
 274                  info::convert_legacy_fields($rec, false));
 275  
 276          // Start date with show = false.
 277          $rec->showavailability = 0;
 278          $this->assertEquals(
 279                  '{"op":"&","showc":[false],"c":[{"type":"date","d":">=","t":123}]}',
 280                  info::convert_legacy_fields($rec, false));
 281  
 282          // End date.
 283          $rec->showavailability = 1;
 284          $rec->availablefrom = 0;
 285          $rec->availableuntil = 456;
 286          $this->assertEquals(
 287                  '{"op":"&","showc":[false],"c":[{"type":"date","d":"<","t":456}]}',
 288                  info::convert_legacy_fields($rec, false));
 289  
 290          // All together now.
 291          $rec->groupingid = 7;
 292          $rec->groupmembersonly = 1;
 293          $rec->availablefrom = 123;
 294          $this->assertEquals(
 295                  '{"op":"&","showc":[false,true,false],"c":[' .
 296                  '{"type":"grouping","id":7},' .
 297                  '{"type":"date","d":">=","t":123},' .
 298                  '{"type":"date","d":"<","t":456}' .
 299                  ']}',
 300                  info::convert_legacy_fields($rec, false));
 301          $this->assertEquals(
 302                  '{"op":"&","showc":[false,true,false],"c":[' .
 303                  '{"type":"grouping","id":7},' .
 304                  '{"type":"date","d":">=","t":123},' .
 305                  '{"type":"date","d":"<","t":456}' .
 306                  ']}',
 307                  info::convert_legacy_fields($rec, false, true));
 308      }
 309  
 310      /**
 311       * Tests the add_legacy_availability_condition function used in restore.
 312       */
 313      public function test_add_legacy_availability_condition() {
 314          // Completion condition tests.
 315          $rec = (object)array('sourcecmid' => 7, 'requiredcompletion' => 1);
 316          // No previous availability, show = true.
 317          $this->assertEquals(
 318                  '{"op":"&","showc":[true],"c":[{"type":"completion","cm":7,"e":1}]}',
 319                  info::add_legacy_availability_condition(null, $rec, true));
 320          // No previous availability, show = false.
 321          $this->assertEquals(
 322                  '{"op":"&","showc":[false],"c":[{"type":"completion","cm":7,"e":1}]}',
 323                  info::add_legacy_availability_condition(null, $rec, false));
 324  
 325          // Existing availability.
 326          $before = '{"op":"&","showc":[true],"c":[{"type":"date","d":">=","t":70}]}';
 327          $this->assertEquals(
 328                  '{"op":"&","showc":[true,true],"c":['.
 329                  '{"type":"date","d":">=","t":70},' .
 330                  '{"type":"completion","cm":7,"e":1}' .
 331                  ']}',
 332                  info::add_legacy_availability_condition($before, $rec, true));
 333  
 334          // Grade condition tests.
 335          $rec = (object)array('gradeitemid' => 3, 'grademin' => 7, 'grademax' => null);
 336          $this->assertEquals(
 337                  '{"op":"&","showc":[true],"c":[{"type":"grade","id":3,"min":7.00000}]}',
 338                  info::add_legacy_availability_condition(null, $rec, true));
 339          $rec->grademax = 8;
 340          $this->assertEquals(
 341                  '{"op":"&","showc":[true],"c":[{"type":"grade","id":3,"min":7.00000,"max":8.00000}]}',
 342                  info::add_legacy_availability_condition(null, $rec, true));
 343          unset($rec->grademax);
 344          unset($rec->grademin);
 345          $this->assertEquals(
 346                  '{"op":"&","showc":[true],"c":[{"type":"grade","id":3}]}',
 347                  info::add_legacy_availability_condition(null, $rec, true));
 348  
 349          // Note: There is no need to test the grade condition with show
 350          // true/false and existing availability, because this uses the same
 351          // function.
 352      }
 353  
 354      /**
 355       * Tests the add_legacy_availability_field_condition function used in restore.
 356       */
 357      public function test_add_legacy_availability_field_condition() {
 358          // User field, normal operator.
 359          $rec = (object)array('userfield' => 'email', 'shortname' => null,
 360                  'operator' => 'contains', 'value' => '@');
 361          $this->assertEquals(
 362                  '{"op":"&","showc":[true],"c":[' .
 363                  '{"type":"profile","op":"contains","sf":"email","v":"@"}]}',
 364                  info::add_legacy_availability_field_condition(null, $rec, true));
 365  
 366          // User field, non-value operator.
 367          $rec = (object)array('userfield' => 'email', 'shortname' => null,
 368                  'operator' => 'isempty', 'value' => '');
 369          $this->assertEquals(
 370                  '{"op":"&","showc":[true],"c":[' .
 371                  '{"type":"profile","op":"isempty","sf":"email"}]}',
 372                  info::add_legacy_availability_field_condition(null, $rec, true));
 373  
 374          // Custom field.
 375          $rec = (object)array('userfield' => null, 'shortname' => 'frogtype',
 376                  'operator' => 'isempty', 'value' => '');
 377          $this->assertEquals(
 378                  '{"op":"&","showc":[true],"c":[' .
 379                  '{"type":"profile","op":"isempty","cf":"frogtype"}]}',
 380                  info::add_legacy_availability_field_condition(null, $rec, true));
 381      }
 382  
 383      /**
 384       * Tests the filter_user_list() and get_user_list_sql() functions.
 385       */
 386      public function test_filter_user_list() {
 387          global $CFG, $DB;
 388          require_once($CFG->dirroot . '/course/lib.php');
 389          $this->resetAfterTest();
 390          $CFG->enableavailability = true;
 391  
 392          // Create a course with 2 sections and 2 pages and 3 users.
 393          // Availability is set up initially on the 'page/section 2' items.
 394          $generator = $this->getDataGenerator();
 395          $course = $generator->create_course(
 396                  array('numsections' => 2), array('createsections' => true));
 397          $u1 = $generator->create_user();
 398          $u2 = $generator->create_user();
 399          $u3 = $generator->create_user();
 400          $studentroleid = $DB->get_field('role', 'id', array('shortname' => 'student'), MUST_EXIST);
 401          $allusers = array($u1->id => $u1, $u2->id => $u2, $u3->id => $u3);
 402          $generator->enrol_user($u1->id, $course->id, $studentroleid);
 403          $generator->enrol_user($u2->id, $course->id, $studentroleid);
 404          $generator->enrol_user($u3->id, $course->id, $studentroleid);
 405  
 406          // Page 2 allows access to users 2 and 3, while section 2 allows access
 407          // to users 1 and 2.
 408          $pagegen = $generator->get_plugin_generator('mod_page');
 409          $page = $pagegen->create_instance(array('course' => $course));
 410          $page2 = $pagegen->create_instance(array('course' => $course,
 411                  'availability' => '{"op":"|","show":true,"c":[{"type":"mock","filter":[' .
 412                  $u2->id . ',' . $u3->id . ']}]}'));
 413          $modinfo = get_fast_modinfo($course);
 414          $section = $modinfo->get_section_info(1);
 415          $section2 = $modinfo->get_section_info(2);
 416          $DB->set_field('course_sections', 'availability',
 417                  '{"op":"|","show":true,"c":[{"type":"mock","filter":[' . $u1->id . ',' . $u2->id .']}]}',
 418                  array('id' => $section2->id));
 419          moveto_module($modinfo->get_cm($page2->cmid), $section2);
 420  
 421          // With no restrictions, returns full list.
 422          $info = new info_module($modinfo->get_cm($page->cmid));
 423          $this->assertEquals(array($u1->id, $u2->id, $u3->id),
 424                  array_keys($info->filter_user_list($allusers)));
 425          $this->assertEquals(array('', array()), $info->get_user_list_sql(true));
 426  
 427          // Set an availability restriction in database for section 1.
 428          // For the section we set it so it doesn't support filters; for the
 429          // module we have a filter.
 430          $DB->set_field('course_sections', 'availability',
 431                  '{"op":"|","show":true,"c":[{"type":"mock","a":false}]}',
 432                  array('id' => $section->id));
 433          $DB->set_field('course_modules', 'availability',
 434                  '{"op":"|","show":true,"c":[{"type":"mock","filter":[' . $u3->id .']}]}',
 435                  array('id' => $page->cmid));
 436          rebuild_course_cache($course->id, true);
 437          $modinfo = get_fast_modinfo($course);
 438  
 439          // Now it should work (for the module).
 440          $info = new info_module($modinfo->get_cm($page->cmid));
 441          $expected = array($u3->id);
 442          $this->assertEquals($expected,
 443                  array_keys($info->filter_user_list($allusers)));
 444          list ($sql, $params) = $info->get_user_list_sql();
 445          $result = $DB->get_fieldset_sql($sql, $params);
 446          sort($result);
 447          $this->assertEquals($expected, $result);
 448          $info = new info_section($modinfo->get_section_info(1));
 449          $this->assertEquals(array($u1->id, $u2->id, $u3->id),
 450                  array_keys($info->filter_user_list($allusers)));
 451          $this->assertEquals(array('', array()), $info->get_user_list_sql(true));
 452  
 453          // With availability disabled, module returns full list too.
 454          $CFG->enableavailability = false;
 455          $info = new info_module($modinfo->get_cm($page->cmid));
 456          $this->assertEquals(array($u1->id, $u2->id, $u3->id),
 457                  array_keys($info->filter_user_list($allusers)));
 458          $this->assertEquals(array('', array()), $info->get_user_list_sql(true));
 459  
 460          // Check the other section...
 461          $CFG->enableavailability = true;
 462          $info = new info_section($modinfo->get_section_info(2));
 463          $expected = array($u1->id, $u2->id);
 464          $this->assertEquals($expected, array_keys($info->filter_user_list($allusers)));
 465          list ($sql, $params) = $info->get_user_list_sql(true);
 466          $result = $DB->get_fieldset_sql($sql, $params);
 467          sort($result);
 468          $this->assertEquals($expected, $result);
 469  
 470          // And the module in that section - which has combined the section and
 471          // module restrictions.
 472          $info = new info_module($modinfo->get_cm($page2->cmid));
 473          $expected = array($u2->id);
 474          $this->assertEquals($expected, array_keys($info->filter_user_list($allusers)));
 475          list ($sql, $params) = $info->get_user_list_sql(true);
 476          $result = $DB->get_fieldset_sql($sql, $params);
 477          sort($result);
 478          $this->assertEquals($expected, $result);
 479  
 480          // If the students have viewhiddenactivities, they get past the module
 481          // restriction.
 482          role_change_permission($studentroleid, \context_module::instance($page2->cmid),
 483                  'moodle/course:ignoreavailabilityrestrictions', CAP_ALLOW);
 484          $expected = array($u1->id, $u2->id);
 485          $this->assertEquals($expected, array_keys($info->filter_user_list($allusers)));
 486          list ($sql, $params) = $info->get_user_list_sql(true);
 487          $result = $DB->get_fieldset_sql($sql, $params);
 488          sort($result);
 489          $this->assertEquals($expected, $result);
 490  
 491          // If they have viewhiddensections, they also get past the section
 492          // restriction.
 493          role_change_permission($studentroleid, \context_course::instance($course->id),
 494                  'moodle/course:ignoreavailabilityrestrictions', CAP_ALLOW);
 495          $expected = array($u1->id, $u2->id, $u3->id);
 496          $this->assertEquals($expected, array_keys($info->filter_user_list($allusers)));
 497          list ($sql, $params) = $info->get_user_list_sql(true);
 498          $result = $DB->get_fieldset_sql($sql, $params);
 499          sort($result);
 500          $this->assertEquals($expected, $result);
 501      }
 502  
 503      /**
 504       * Tests the info_module class when involved in a recursive call to $cm->name.
 505       */
 506      public function test_info_recursive_name_call() {
 507          global $DB;
 508  
 509          $this->resetAfterTest();
 510  
 511          // Create a course and page.
 512          $generator = $this->getDataGenerator();
 513          $course = $generator->create_course();
 514          $page1 = $generator->create_module('page', ['course' => $course->id, 'name' => 'Page1']);
 515  
 516          // Set invalid availability.
 517          $DB->set_field('course_modules', 'availability', 'not valid', ['id' => $page1->cmid]);
 518  
 519          // Get the cm_info object.
 520          $this->setAdminUser();
 521          $modinfo = get_fast_modinfo($course);
 522          $cm1 = $modinfo->get_cm($page1->cmid);
 523  
 524          // At this point we will generate dynamic data for $cm1, which will cause the debugging
 525          // call below.
 526          $this->assertEquals('Page1', $cm1->name);
 527  
 528          $this->assertDebuggingCalled('Error processing availability data for ' .
 529                  '&lsquo;Page1&rsquo;: Invalid availability text');
 530      }
 531  }