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  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 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.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Data provider tests.
 *
 * @package    mod_wiki
 * @category   test
 * @copyright  2018 Marina Glancy
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();
global $CFG;

use core_privacy\tests\provider_testcase;
use mod_wiki\privacy\provider;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\approved_userlist;
use core_privacy\local\request\writer;

require_once($CFG->dirroot.'/mod/wiki/locallib.php');

/**
 * Data provider testcase class.
 *
 * @package    mod_wiki
 * @category   test
 * @copyright  2018 Marina Glancy
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class mod_wiki_privacy_testcase extends provider_testcase {

    /** @var array */
    protected $users = [];
    /** @var array */
    protected $pages = [];
    /** @var array */
    protected $contexts = [];
    /** @var array */
    protected $subwikis = [];
    /** @var array */
    protected $pagepaths = [];

    /**
     * Set up for each test.
     *
     * There are three users and four wikis.
     * 1 : collaborative wiki, has context $this->contexts[1] and has a single subwiki $this->subwikis[1]
     * 2 : individual wiki, has context $this->contexts[2] and three subwikis (one for each user):
     *        $this->subwikis[21], $this->subwikis[22], $this->subwikis[23],
     *        the subwiki for the third user is empty
     * 3 : collaborative wiki, has context $this->contexts[3] and has a single subwiki $this->subwikis[3]
     * 4 : collaborative wiki, has context $this->contexts[4], this wiki is empty
     *
     * Each subwiki (except for "23") has pages, for example, in $this->subwiki[1] there are pages
     *   $this->pages[1][1], $this->pages[1][2] and $this->pages[1][3]
     *   In the export data they have paths:
     *   $this->pagepaths[1][1], $this->pagepaths[1][2], $this->pagepaths[1][3]
     */
< public function setUp() {
> public function setUp(): void {
global $DB; $this->resetAfterTest(); $dg = $this->getDataGenerator(); $course = $dg->create_course(); $this->users[1] = $dg->create_user(); $this->users[2] = $dg->create_user(); $this->users[3] = $dg->create_user(); $this->users[4] = $dg->create_user(); $studentrole = $DB->get_record('role', array('shortname' => 'student')); $this->getDataGenerator()->enrol_user($this->users[1]->id, $course->id, $studentrole->id, 'manual'); $this->getDataGenerator()->enrol_user($this->users[2]->id, $course->id, $studentrole->id, 'manual'); $this->getDataGenerator()->enrol_user($this->users[3]->id, $course->id, $studentrole->id, 'manual'); $this->getDataGenerator()->enrol_user($this->users[4]->id, $course->id, $studentrole->id, 'manual'); $cm1 = $this->getDataGenerator()->create_module('wiki', ['course' => $course->id]); $cm2 = $this->getDataGenerator()->create_module('wiki', ['course' => $course->id, 'wikimode' => 'individual']); $cm3 = $this->getDataGenerator()->create_module('wiki', ['course' => $course->id]); $cm4 = $this->getDataGenerator()->create_module('wiki', ['course' => $course->id]); // Empty. // User1. $this->setUser($this->users[1]); // Create and modify pages in collaborative wiki. $this->pages[1][1] = $this->create_first_page($cm1); $this->pages[1][2] = $this->create_page($cm1, ['content' => 'initial content']); $this->update_page($cm1, $this->pages[1][2], ['content' => 'update1 <img src="@@PLUGINFILE@@/Dog%20jump.jpg">']); $this->attach_file($cm1, "Dog jump.jpg", 'jpg:Doggy'); $this->update_page($cm1, $this->pages[1][2], ['content' => 'update2']); // Create pages in individual wiki, add files that are not used in text. $this->pages[21][1] = $this->create_first_page($cm2); $this->pages[21][2] = $this->create_page($cm2); $this->attach_file($cm2, "mycat.jpg", 'jpg:Cat'); // User2. $this->setUser($this->users[2]); // Modify existing pages in the first collaborative wiki. $this->update_page($cm1, $this->pages[1][2], ['content' => 'update3 <img src="@@PLUGINFILE@@/Hamster.jpg">']); $this->attach_file($cm1, "Hamster.jpg", 'jpg:Hamster'); // Create pages in individual wiki. $this->pages[22][1] = $this->create_first_page($cm2); $this->pages[22][2] = $this->create_page($cm2); // Create pages in the third wiki. $this->pages[3][1] = $this->create_first_page($cm3); // User3 (testing locks and empty subwiki). $this->setUser($this->users[3]); // Create a subwiki in the individual wiki without any pages. $subwiki23 = $dg->get_plugin_generator('mod_wiki')->get_subwiki($cm2); // Create a page in the first wiki and then lock it. $this->pages[1][3] = $this->create_page($cm1); wiki_set_lock($this->pages[1][3]->id, $this->users[3]->id, null, true); // Lock a page in the third wiki without having any revisions on it. wiki_set_lock($this->pages[3][1]->id, $this->users[3]->id, null, true); // User 4 - added to the first wiki, so all users are not part of all edited contexts. $this->setUser($this->users[4]); $this->pages[1][4] = $this->create_page($cm1); $this->subwikis = [ 1 => $this->pages[1][1]->subwikiid, 21 => $this->pages[21][1]->subwikiid, 22 => $this->pages[22][1]->subwikiid, 23 => $subwiki23, 3 => $this->pages[3][1]->subwikiid, ]; $this->contexts = [ 1 => context_module::instance($cm1->cmid), 2 => context_module::instance($cm2->cmid), 3 => context_module::instance($cm3->cmid), 4 => context_module::instance($cm4->cmid), ]; $this->pagepaths = [ 1 => [ 1 => $this->pages[1][1]->id . ' ' . $this->pages[1][1]->title, 2 => $this->pages[1][2]->id . ' ' . $this->pages[1][2]->title, 3 => $this->pages[1][3]->id . ' ' . $this->pages[1][3]->title, 4 => $this->pages[1][4]->id . ' ' . $this->pages[1][4]->title, ], 21 => [ 1 => $this->pages[21][1]->id . ' ' . $this->pages[21][1]->title, 2 => $this->pages[21][2]->id . ' ' . $this->pages[21][2]->title, ], 22 => [ 1 => $this->pages[22][1]->id . ' ' . $this->pages[22][1]->title, 2 => $this->pages[22][2]->id . ' ' . $this->pages[22][2]->title, ], 3 => [ 1 => $this->pages[3][1]->id . ' ' . $this->pages[3][1]->title, ] ]; } /** * Generate first page in wiki as current user * * @param stdClass $wiki * @param array $record * @return mixed */ protected function create_first_page($wiki, $record = []) { $dg = $this->getDataGenerator(); $wg = $dg->get_plugin_generator('mod_wiki'); return $wg->create_first_page($wiki, $record); } /** * Generate a page in wiki as current user * * @param stdClass $wiki * @param array $record * @return mixed */ protected function create_page($wiki, $record = []) { $dg = $this->getDataGenerator(); $wg = $dg->get_plugin_generator('mod_wiki'); return $wg->create_page($wiki, $record); } /** * Update an existing page in wiki as current user * * @param stdClass $wiki * @param stdClass $page * @param array $record * @return mixed */ protected function update_page($wiki, $page, $record = []) { $dg = $this->getDataGenerator(); $wg = $dg->get_plugin_generator('mod_wiki'); return $wg->create_page($wiki, ['title' => $page->title] + $record); } /** * Attach file to a wiki as a current user * * @param stdClass $wiki * @param string $filename * @param string $filecontent * @return stored_file */ protected function attach_file($wiki, $filename, $filecontent) { $dg = $this->getDataGenerator(); $wg = $dg->get_plugin_generator('mod_wiki'); $subwikiid = $wg->get_subwiki($wiki); $fs = get_file_storage(); return $fs->create_file_from_string([ 'contextid' => context_module::instance($wiki->cmid)->id, 'component' => 'mod_wiki', 'filearea' => 'attachments', 'itemid' => $subwikiid, 'filepath' => '/', 'filename' => $filename, ], $filecontent); } /** * Test getting the contexts for a user. */ public function test_get_contexts_for_userid() { // Get contexts for the first user. $contextids = provider::get_contexts_for_userid($this->users[1]->id)->get_contextids();
< $this->assertEquals([
> $this->assertEqualsCanonicalizing([
$this->contexts[1]->id, $this->contexts[2]->id,
< ], $contextids, '', 0.0, 10, true);
> ], $contextids);
// Get contexts for the second user. $contextids = provider::get_contexts_for_userid($this->users[2]->id)->get_contextids();
< $this->assertEquals([
> $this->assertEqualsCanonicalizing([
$this->contexts[1]->id, $this->contexts[2]->id, $this->contexts[3]->id,
< ], $contextids, '', 0.0, 10, true);
> ], $contextids);
// Get contexts for the third user. $contextids = provider::get_contexts_for_userid($this->users[3]->id)->get_contextids();
< $this->assertEquals([
> $this->assertEqualsCanonicalizing([
$this->contexts[1]->id, $this->contexts[2]->id, $this->contexts[3]->id,
< ], $contextids, '', 0.0, 10, true);
> ], $contextids);
} /** * Test getting the users within a context. */ public function test_get_users_in_context() { global $DB; $component = 'mod_wiki'; // Add a comment from user 4 in context 3. $this->setUser($this->users[4]); $this->add_comment($this->pages[3][1], 'Look at me, getting involved!'); // Ensure userlist for context 1 contains all users. $userlist = new \core_privacy\local\request\userlist($this->contexts[1], $component); provider::get_users_in_context($userlist); $this->assertCount(4, $userlist); $expected = [$this->users[1]->id, $this->users[2]->id, $this->users[3]->id, $this->users[4]->id]; $actual = $userlist->get_userids(); sort($expected); sort($actual); $this->assertEquals($expected, $actual); // Ensure userlist for context 2 contains users 1-3 only. $userlist = new \core_privacy\local\request\userlist($this->contexts[2], $component); provider::get_users_in_context($userlist); $this->assertCount(3, $userlist); $expected = [$this->users[1]->id, $this->users[2]->id, $this->users[3]->id]; $actual = $userlist->get_userids(); sort($expected); sort($actual); $this->assertEquals($expected, $actual); // Ensure userlist for context 3 contains users 2, 3 and 4 only. $userlist = new \core_privacy\local\request\userlist($this->contexts[3], $component); provider::get_users_in_context($userlist); $this->assertCount(3, $userlist); $expected = [$this->users[2]->id, $this->users[3]->id, $this->users[4]->id]; $actual = $userlist->get_userids(); sort($expected); sort($actual); $this->assertEquals($expected, $actual); // Ensure userlist for context 4 is empty. $userlist = new \core_privacy\local\request\userlist($this->contexts[4], $component); provider::get_users_in_context($userlist); $this->assertEmpty($userlist); } /** * Export data for user 1 */ public function test_export_user_data1() { // Export all contexts for the first user. $contextids = array_values(array_map(function($c) { return $c->id; }, $this->contexts)); $appctx = new approved_contextlist($this->users[1], 'mod_wiki', $contextids); provider::export_user_data($appctx); // First wiki has two pages ever touched by this user. $data = writer::with_context($this->contexts[1])->get_related_data([$this->subwikis[1]]); $this->assertEquals([ $this->pagepaths[1][1], $this->pagepaths[1][2] ], array_keys($data)); // First page was initially created by this user and all its information is returned to this user. $data11 = $data[$this->pagepaths[1][1]]; $this->assertEquals($this->pages[1][1]->cachedcontent, $data11['page']['cachedcontent']); $this->assertNotEmpty($data11['page']['timecreated']); // Wiki creates two revisions when page is created, first one with empty content. $this->assertEquals(2, count($data11['revisions'])); $this->assertFalse(array_key_exists('locks', $data11)); // Only one file is returned that was in the revision made by this user. // The second page was last modified by a different user, so userid in the wiki_pages table is different, // additional page information is not exported. $data12 = $data[$this->pagepaths[1][2]]; $this->assertFalse(isset($data12['page']['timecreated'])); // There are two revisions for creating the page and two additional revisions made by this user. $this->assertEquals(4, count($data12['revisions'])); $lastrevision = array_pop($data12['revisions']); $this->assertEquals('update2', $lastrevision['content']); // There is one file that was used in this user's contents - "Dog face.jpg" and one file in page cachedcontents. $files = writer::with_context($this->contexts[1])->get_files([$this->subwikis[1]]);
< $this->assertEquals(['Dog jump.jpg', 'Hamster.jpg'], array_keys($files), '', 0, 10, true);
> $this->assertEqualsCanonicalizing(['Dog jump.jpg', 'Hamster.jpg'], array_keys($files));
// Second (individual) wiki for the first user, two pages are returned for this user's subwiki. $data = writer::with_context($this->contexts[2])->get_related_data([$this->subwikis[21]]); $this->assertEquals([ $this->pagepaths[21][1], $this->pagepaths[21][2] ], array_keys($data)); $files = writer::with_context($this->contexts[2])->get_files([$this->subwikis[21]]); $this->assertEquals(['mycat.jpg'], array_keys($files)); // Second (individual) wiki for the first user, nothing is returned for the second user's subwiki. $this->assertFalse(writer::with_context($this->contexts[2])->has_any_data([$this->subwikis[22]])); // Third wiki for the first user, there were no contributions by the first user. $this->assertFalse(writer::with_context($this->contexts[3])->has_any_data([$this->subwikis[3]])); } /** * Test export data for user 2 */ public function test_export_user_data2() { // Export all contexts for the second user. $contextids = array_values(array_map(function($c) { return $c->id; }, $this->contexts)); $appctx = new approved_contextlist($this->users[2], 'mod_wiki', $contextids); provider::export_user_data($appctx); // First wiki - this user only modified the second page. $data = writer::with_context($this->contexts[1])->get_related_data([$this->subwikis[1]]); $this->assertEquals([ $this->pagepaths[1][2] ], array_keys($data)); // This user was the last one to modify this page, so the page info is returned. $data12 = $data[$this->pagepaths[1][2]]; $this->assertEquals('update3 <img src="files/Hamster.jpg" alt="Hamster.jpg" />', trim($data12['page']['cachedcontent'])); // He made one revision. $this->assertEquals(1, count($data12['revisions'])); $lastrevision = reset($data12['revisions']); $this->assertEquals('update3 <img src="files/Hamster.jpg">', trim($lastrevision['content'])); // Only one file was used in the first wiki by this user - Hamster.jpg. $files = writer::with_context($this->contexts[1])->get_files([$this->subwikis[1]]); $this->assertEquals(['Hamster.jpg'], array_keys($files)); // Export second (individual) wiki, nothing is returned for the other user's subwiki. $this->assertFalse(writer::with_context($this->contexts[2])->has_any_data([$this->subwikis[21]])); // Export second (individual) wiki, two pages are returned for this user's subwiki. $data = writer::with_context($this->contexts[2])->get_related_data([$this->subwikis[22]]); $this->assertEquals([ $this->pagepaths[22][1], $this->pagepaths[22][2] ], array_keys($data)); $files = writer::with_context($this->contexts[2])->get_files([$this->subwikis[22]]); $this->assertEmpty($files); // Second user made contributions to the third wiki. $data = writer::with_context($this->contexts[3])->get_related_data([$this->subwikis[3]]); $this->assertEquals([ $this->pagepaths[3][1] ], array_keys($data)); $files = writer::with_context($this->contexts[3])->get_files([$this->subwikis[3]]); $this->assertEmpty($files); } /** * Test export data for user 3 (locks, empty individual wiki) */ public function test_export_user_data3() { // Export all contexts for the third user. $contextids = array_values(array_map(function($c) { return $c->id; }, $this->contexts)); $appctx = new approved_contextlist($this->users[3], 'mod_wiki', $contextids); provider::export_user_data($appctx); // For the third page of the first wiki there are 2 revisions and 1 lock. $data = writer::with_context($this->contexts[1])->get_related_data([$this->subwikis[1]]); $this->assertEquals([ $this->pagepaths[1][3] ], array_keys($data)); $data13 = $data[$this->pagepaths[1][3]]; $this->assertNotEmpty($data13['page']['timecreated']); $this->assertEquals(2, count($data13['revisions'])); $this->assertEquals(1, count($data13['locks'])); $files = writer::with_context($this->contexts[1])->get_files([$this->subwikis[1]]); $this->assertEmpty($files); // Empty individual wiki. $this->assertTrue(writer::with_context($this->contexts[2])->has_any_data()); $data = writer::with_context($this->contexts[2])->get_data([$this->subwikis[23]]); $this->assertEquals((object)[ 'groupid' => 0, 'userid' => $this->users[3]->id ], $data); $files = writer::with_context($this->contexts[2])->get_files([$this->subwikis[23]]); $this->assertEmpty($files); // For the third wiki there is no page information, no revisions and one lock. $data = writer::with_context($this->contexts[3])->get_related_data([$this->subwikis[3]]); $this->assertEquals([ $this->pagepaths[3][1] ], array_keys($data)); $data31 = $data[$this->pagepaths[3][1]]; $this->assertTrue(empty($data31['page']['timecreated'])); $this->assertTrue(empty($data31['revisions'])); $this->assertEquals(1, count($data31['locks'])); $files = writer::with_context($this->contexts[3])->get_files([$this->subwikis[3]]); $this->assertEmpty($files); // No data for the forth wiki. $this->assertFalse(writer::with_context($this->contexts[4])->has_any_data()); } /** * Creates a comment object * * @param stdClass $page * @param string $text * @return comment The comment object. */ protected function add_comment($page, $text) { global $DB, $CFG, $USER; require_once($CFG->dirroot . '/comment/lib.php'); $record = $DB->get_record_sql('SELECT cm.id, cm.course FROM {course_modules} cm JOIN {modules} m ON m.name = ? AND m.id = cm.module JOIN {wiki} w ON cm.instance = w.id JOIN {wiki_subwikis} s ON s.wikiid = w.id WHERE s.id=?', ['wiki', $page->subwikiid]); $context = context_module::instance($record->id); $args = new stdClass; $args->context = $context; $args->courseid = $record->course; $args->area = 'wiki_page'; $args->itemid = $page->id; $args->component = 'mod_wiki'; $comment = new comment($args); $comment->set_post_permission(true); $comment->add($text); return $comment; } /** * Test export data when there are comments. */ public function test_export_user_data_with_comments() { global $DB; // Comment on each page in the first wiki as the first user. $this->setUser($this->users[1]); $this->add_comment($this->pages[1][1], 'Hello111'); $this->add_comment($this->pages[1][2], 'Hello112'); $this->add_comment($this->pages[1][3], 'Hello113'); // Comment on second and third page as the third user. $this->setUser($this->users[3]); $this->add_comment($this->pages[1][2], 'Hello312'); $this->add_comment($this->pages[1][3], 'Hello313'); // Export all contexts for the third user. $contextids = array_values(array_map(function($c) { return $c->id; }, $this->contexts)); $appctx = new approved_contextlist($this->users[3], 'mod_wiki', $contextids); provider::export_user_data($appctx); $data = writer::with_context($this->contexts[1])->get_related_data([$this->subwikis[1]]); // Now user has two pages (comparing to previous test where he had one). $this->assertEquals([ $this->pagepaths[1][2], $this->pagepaths[1][3] ], array_keys($data)); // Page 1-2 was exported and it has one comment that this user made (comment from another user was not exported). $data12 = $data[$this->pagepaths[1][2]]; $this->assertTrue(empty($data12['page']['timecreated'])); $this->assertTrue(empty($data12['revisions'])); $this->assertTrue(empty($data12['locks'])); $this->assertEquals(1, count($data12['page']['comments'])); // Page 1-3 was exported same way as in the previous test and it has two comments. $data13 = $data[$this->pagepaths[1][3]]; $this->assertNotEmpty($data13['page']['timecreated']); $this->assertEquals(2, count($data13['revisions'])); $this->assertEquals(1, count($data13['locks'])); $this->assertEquals(2, count($data13['page']['comments'])); } /** * Test for delete_data_for_all_users_in_context(). */ public function test_delete_data_for_all_users_in_context() { provider::delete_data_for_all_users_in_context($this->contexts[1]); $appctx = new approved_contextlist($this->users[1], 'mod_wiki', [$this->contexts[1]->id, $this->contexts[2]->id]); provider::export_user_data($appctx); $this->assertFalse(writer::with_context($this->contexts[1])->has_any_data()); $this->assertTrue(writer::with_context($this->contexts[2])->has_any_data()); writer::reset(); $appctx = new approved_contextlist($this->users[2], 'mod_wiki', [$this->contexts[1]->id]); provider::export_user_data($appctx); $this->assertFalse(writer::with_context($this->contexts[1])->has_any_data()); writer::reset(); $appctx = new approved_contextlist($this->users[3], 'mod_wiki', [$this->contexts[1]->id]); provider::export_user_data($appctx); $this->assertFalse(writer::with_context($this->contexts[1])->has_any_data()); } /** * Test for delete_data_for_user(). */ public function test_delete_data_for_user() { $appctx = new approved_contextlist($this->users[1], 'mod_wiki', [$this->contexts[1]->id, $this->contexts[1]->id]); provider::delete_data_for_user($appctx); provider::export_user_data($appctx); $this->assertTrue(writer::with_context($this->contexts[1])->has_any_data()); $this->assertFalse(writer::with_context($this->contexts[2])->has_any_data()); } /** * Test for delete_data_for_users(). */ public function test_delete_data_for_users() { $component = 'mod_wiki'; // Ensure data exists within context 2 - individual wikis. // Since each user owns their own subwiki in this context, they can be deleted. $u1ctx2 = new approved_contextlist($this->users[1], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u1ctx2); $u2ctx2 = new approved_contextlist($this->users[2], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u2ctx2); $u3ctx2 = new approved_contextlist($this->users[3], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u3ctx2); $this->assertTrue(writer::with_context($this->contexts[2])->has_any_data()); writer::reset(); // Delete user 1 and 2 data, user 3's wiki still remains. $approveduserids = [$this->users[1]->id, $this->users[2]->id]; $approvedlist = new approved_userlist($this->contexts[2], $component, $approveduserids); provider::delete_data_for_users($approvedlist); $u1ctx2 = new approved_contextlist($this->users[1], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u1ctx2); $u2ctx2 = new approved_contextlist($this->users[2], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u2ctx2); $u3ctx2 = new approved_contextlist($this->users[3], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u3ctx2); $this->assertTrue(writer::with_context($this->contexts[2])->has_any_data()); writer::reset(); // Delete user 3's wiki. All 3 subwikis now deleted, so ensure no data is found in this context. $approveduserids = [$this->users[3]->id]; $approvedlist = new approved_userlist($this->contexts[2], $component, $approveduserids); provider::delete_data_for_users($approvedlist); $u1ctx2 = new approved_contextlist($this->users[1], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u1ctx2); $u2ctx2 = new approved_contextlist($this->users[2], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u2ctx2); $u3ctx2 = new approved_contextlist($this->users[3], 'mod_wiki', [$this->contexts[2]->id]); provider::export_user_data($u3ctx2); $this->assertFalse(writer::with_context($this->contexts[2])->has_any_data()); writer::reset(); // Ensure Context 1 still contains data. $u1ctx1 = new approved_contextlist($this->users[1], 'mod_wiki', [$this->contexts[1]->id]); provider::export_user_data($u1ctx1); $u2ctx1 = new approved_contextlist($this->users[2], 'mod_wiki', [$this->contexts[1]->id]); provider::export_user_data($u2ctx1); $u3ctx1 = new approved_contextlist($this->users[3], 'mod_wiki', [$this->contexts[1]->id]); provider::export_user_data($u3ctx1); $this->assertTrue(writer::with_context($this->contexts[1])->has_any_data()); } }