diff --git a/classes/privacy/provider.php b/classes/privacy/provider.php
index a3b6beeeb96b1f22d27f2e96deec6b9f5c6aaee2..c8538fe0880a24ed1a05ccd34ffb9544b2252d9e 100644
--- a/classes/privacy/provider.php
+++ b/classes/privacy/provider.php
@@ -508,7 +508,7 @@ class provider implements \core_privacy\local\metadata\provider, \core_privacy\l
* Deletes data for users in given userlist's context.
* @param approved_userlist $userlist
*/
- public static function delete_data_for_users(approved_userlist $userlist) {
+ public static function delete_data_for_users(\core_privacy\local\request\approved_userlist $userlist) {
global $DB;
$context = $userlist->get_context();
diff --git a/tests/privacy/provider_test.php b/tests/privacy/provider_test.php
new file mode 100644
index 0000000000000000000000000000000000000000..d6290d25eb6e2376e5dd480f07cf2f6a4bd2a1c3
--- /dev/null
+++ b/tests/privacy/provider_test.php
@@ -0,0 +1,175 @@
+<?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/>.
+
+namespace mod_pdfannotator\privacy;
+
+use mod_pdfannotator\privacy\provider;
+use core_privacy\local\request\transform;
+use core_privacy\local\request\writer;
+use core_privacy\local\request\approved_contextlist;
+use core_privacy\local\request\approved_userlist;
+use stdClass;
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once(__DIR__ . '/../fixtures/test_indicator_max.php');
+require_once(__DIR__ . '/../fixtures/test_indicator_min.php');
+require_once(__DIR__ . '/../fixtures/test_target_site_users.php');
+require_once(__DIR__ . '/../fixtures/test_target_course_users.php');
+
+/**
+ * Unit tests for privacy.
+ *
+ * @package mod_pdfannotator
+ * @copyright IT Center RWTH Aachen University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider_test extends \core_privacy\tests\provider_testcase {
+
+ protected $course;
+ protected $cmcontext;
+ protected $user;
+ protected $pdffile;
+ protected $annotations;
+ protected $questions;
+ protected $answers;
+
+ public function setUp(): void {
+ global $DB;
+
+ $this->resetAfterTest();
+
+ // Create a course.
+ $generator = $this->getDataGenerator();
+ $this->course = $generator->create_course();
+
+ // Create a pdfannotator module.
+ $cm = $generator->create_module('pdfannotator', ['course' => $this->course->id]);
+ $this->cmcontext = \context_module::instance($cm->cmid);
+
+ // Create a user.
+ $this->user = $generator->create_user();
+
+ // Create a pdf object.
+ $pdfobject = new stdClass();
+ $pdfobject->course = $this->course->id;
+ $pdfobject->name = "PDF_Provider_Test";
+ $pdfobject->intro = "";
+ $pdfobject->introformat = 1;
+ $pdfobject->usevotes = 1;
+ $pdfobject->useprint = 1;
+ $pdfobject->useprintcomments = 1;
+ $pdfobject->use_studenttextbox = 0;
+ $pdfobject->use_studentdrawing = 0;
+ $pdfobject->useprivatecomments = 0;
+ $pdfobject->useprotectedcomments = 0;
+ $pdfobject->timecreated = time();
+ $pdfobject->timemodified = time();
+ $pdfobject->id = $DB->insert_record('pdfannotator', $pdfobject);
+ $this->pdffile = $pdfobject;
+
+ // Create an (pin as a test) annotation to the test pdf.
+ $annotationobj = new stdClass();
+ $annotationobj->pdfannotatorid = $this->pdffile->id;
+ $annotationobj->page = 1;
+ $annotationobj->userid = $this->user->id;
+ $pinannotation = $DB->get_record('pdfannotator_annotationtypes', ['name' => 'pin']);
+ $annotationobj->annotationtypeid = $pinannotation->id;
+ $annotationobj->data = json_encode(['x' => 365, 'y' => 166]);
+ $annotationobj->timecreated = time();
+ $annotationobj->timemodified = time();
+ $annotationobj->id = $DB->insert_record('pdfannotator_annotations', $annotationobj);
+ $this->annotations[] = $annotationobj;
+
+ // Create a question for the pin annotation.
+ $question = new stdClass();
+ $question->pdfannotatorid = $this->pdffile->id;
+ $question->annotationid = $this->annotations[0]->id;
+ $question->userid = $this->user->id;
+ $question->timecreated = time();
+ $question->timemodified = time();
+ $question->isquestion = 1;
+ $question->isdeleted = 0;
+ $question->ishidden = 0;
+ $question->solved = 0;
+ $question->id = $DB->insert_record('pdfannotator_comments', $question);
+ $this->questions[] = $question;
+
+ // Create a comment for the question above.
+ $answer = new stdClass();
+ $answer->pdfannotatorid = $this->pdffile->id;
+ $answer->annotationid = $this->annotations[0]->id;
+ $answer->userid = $this->user->id;
+ $answer->timecreated = time();
+ $answer->timemodified = time();
+ $answer->isquestion = 0;
+ $answer->isdeleted = 0;
+ $answer->ishidden = 0;
+ $answer->solved = 0;
+ $answer->id = $DB->insert_record('pdfannotator_comments', $answer);
+ $this->answers[] = $answer;
+ }
+
+ public function test_delete_data_for_users() {
+ global $DB;
+
+ $this->resetAfterTest();
+
+ // Create a comment for the question above.
+ $answer = new stdClass();
+ $answer->pdfannotatorid = $this->pdffile->id;
+ $answer->annotationid = $this->annotations[0]->id;
+ $answer->userid = $this->user->id;
+ $answer->timecreated = time();
+ $answer->timemodified = time();
+ $answer->isquestion = 0;
+ $answer->isdeleted = 0;
+ $answer->ishidden = 0;
+ $answer->solved = 0;
+ $answer->id = $DB->insert_record('pdfannotator_comments', $answer);
+ $this->answers[] = $answer;
+
+ // Report the first comment from the setUp().
+ $reportobj = new stdClass();
+ $reportobj->commentid = $this->answers[0]->id;
+ $reportobj->courseid = $this->course->id;
+ $reportobj->pdfannotatorid = $this->pdffile->id;
+ $reportobj->userid = $this->user->id;
+ $reportobj->timecreated = time();
+ $reportobj->seen = 0;
+ $reportobj->id = $DB->insert_record('pdfannotator_reports', $reportobj);
+
+ // Vote the second comment in the quetions[0].
+ $voteobj = new stdClass();
+ $voteobj->commentid = $this->answers[1]->id;
+ $voteobj->userid = $this->user->id;
+ $voteobj->vote = 1;
+ $voteobj->id = $DB->insert_record('pdfannotator_votes', $voteobj);
+
+ // Subscribe the questions[0].
+ $subscriptionsobj = new stdClass();
+ $subscriptionsobj->annotationid = $this->questions[0]->id;
+ $subscriptionsobj->userid = $this->user->id;
+ $subscriptionsobj->id = $DB->insert_record('pdfannotator_subscriptions', $voteobj);
+
+ // Perform delete_data_for_users.
+ $systemcontext = \context_system::instance();
+ $component = 'mod_pdfannotator';
+ $userlist = new approved_userlist($systemcontext, $component, $this->user->id);
+ // Delete using delete_data_for_user.
+ provider::delete_data_for_users($userlist);
+ }
+}
\ No newline at end of file