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540 lines
22 KiB
540 lines
22 KiB
2 years ago
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Privacy provider tests.
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*
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* @package core_question
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* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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use core_privacy\local\metadata\collection;
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use core_privacy\local\request\deletion_criteria;
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use core_privacy\local\request\writer;
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use core_question\privacy\provider;
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->libdir . '/xmlize.php');
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require_once(__DIR__ . '/privacy_helper.php');
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require_once(__DIR__ . '/../engine/tests/helpers.php');
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/**
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* Privacy provider tests class.
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*
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* @package core_question
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* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class core_question_privacy_provider_testcase extends \core_privacy\tests\provider_testcase {
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// Include the privacy helper which has assertions on it.
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use core_question_privacy_helper;
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/**
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* Prepare a question attempt.
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*
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* @return question_usage_by_activity
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*/
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protected function prepare_question_attempt() {
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// Create a question with a usage from the current user.
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$cat = $questiongenerator->create_question_category();
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$quba = question_engine::make_questions_usage_by_activity('core_question_preview', context_system::instance());
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$quba->set_preferred_behaviour('deferredfeedback');
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$questiondata = $questiongenerator->create_question('numerical', null, ['category' => $cat->id]);
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$question = question_bank::load_question($questiondata->id);
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$quba->add_question($question);
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$quba->start_all_questions();
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question_engine::save_questions_usage_by_activity($quba);
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return $quba;
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}
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/**
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* Test that calling export_question_usage on a usage belonging to a
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* different user does not export any data.
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*/
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public function test_export_question_usage_no_usage() {
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$this->resetAfterTest();
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$quba = $this->prepare_question_attempt();
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// Create a question with a usage from the current user.
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$cat = $questiongenerator->create_question_category();
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$quba = question_engine::make_questions_usage_by_activity('core_question_preview', context_system::instance());
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$quba->set_preferred_behaviour('deferredfeedback');
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$questiondata = $questiongenerator->create_question('numerical', null, ['category' => $cat->id]);
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$question = question_bank::load_question($questiondata->id);
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$quba->add_question($question);
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$quba->start_all_questions();
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question_engine::save_questions_usage_by_activity($quba);
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// Set the user.
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$testuser = $this->getDataGenerator()->create_user();
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$this->setUser($testuser);
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$context = $quba->get_owning_context();
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$options = new \question_display_options();
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provider::export_question_usage($testuser->id, $context, [], $quba->get_id(), $options, false);
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$writer = writer::with_context($context);
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$this->assertFalse($writer->has_any_data_in_any_context());
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}
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/**
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* Test that calling export_question_usage on a usage belonging to a
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* different user but ignoring the user match
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*/
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public function test_export_question_usage_with_usage() {
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$this->resetAfterTest();
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$quba = $this->prepare_question_attempt();
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// Create a question with a usage from the current user.
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$cat = $questiongenerator->create_question_category();
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$quba = question_engine::make_questions_usage_by_activity('core_question_preview', context_system::instance());
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$quba->set_preferred_behaviour('deferredfeedback');
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$questiondata = $questiongenerator->create_question('truefalse', 'true', ['category' => $cat->id]);
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$quba->add_question(question_bank::load_question($questiondata->id));
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$questiondata = $questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]);
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$quba->add_question(question_bank::load_question($questiondata->id));
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// Set the user and answer the questions.
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$testuser = $this->getDataGenerator()->create_user();
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$this->setUser($testuser);
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$quba->start_all_questions();
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$quba->process_action(1, ['answer' => 1]);
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$quba->process_action(2, ['answer' => 'cat']);
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$quba->finish_all_questions();
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question_engine::save_questions_usage_by_activity($quba);
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$context = $quba->get_owning_context();
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// Export all questions for this attempt.
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$options = new \question_display_options();
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provider::export_question_usage($testuser->id, $context, [], $quba->get_id(), $options, true);
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$writer = writer::with_context($context);
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$this->assertTrue($writer->has_any_data_in_any_context());
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$this->assertTrue($writer->has_any_data());
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$slots = $quba->get_slots();
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$this->assertCount(2, $slots);
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foreach ($slots as $slotno) {
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$data = $writer->get_data([get_string('questions', 'core_question'), $slotno]);
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$this->assertNotNull($data);
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$this->assert_question_slot_equals($quba, $slotno, $options, $data);
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}
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$this->assertEmpty($writer->get_data([get_string('questions', 'core_question'), $quba->next_slot_number()]));
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// Disable some options and re-export.
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writer::reset();
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$options = new \question_display_options();
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$options->hide_all_feedback();
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$options->flags = \question_display_options::HIDDEN;
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$options->marks = \question_display_options::HIDDEN;
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provider::export_question_usage($testuser->id, $context, [], $quba->get_id(), $options, true);
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$writer = writer::with_context($context);
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$this->assertTrue($writer->has_any_data_in_any_context());
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$this->assertTrue($writer->has_any_data());
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$slots = $quba->get_slots();
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$this->assertCount(2, $slots);
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foreach ($slots as $slotno) {
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$data = $writer->get_data([get_string('questions', 'core_question'), $slotno]);
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$this->assertNotNull($data);
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$this->assert_question_slot_equals($quba, $slotno, $options, $data);
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}
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$this->assertEmpty($writer->get_data([get_string('questions', 'core_question'), $quba->next_slot_number()]));
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}
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/**
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* Test that questions owned by a user are exported and never deleted.
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*/
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public function test_question_owned_is_handled() {
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global $DB;
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$this->resetAfterTest();
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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// Create the two test users.
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$user = $this->getDataGenerator()->create_user();
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$otheruser = $this->getDataGenerator()->create_user();
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// Create one question as each user in diferent contexts.
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$this->setUser($user);
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$userdata = $questiongenerator->setup_course_and_questions();
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$expectedcontext = \context_course::instance($userdata[1]->id);
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$this->setUser($otheruser);
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$otheruserdata = $questiongenerator->setup_course_and_questions();
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$unexpectedcontext = \context_course::instance($otheruserdata[1]->id);
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// And create another one where we'll update a question as the test user.
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$moreotheruserdata = $questiongenerator->setup_course_and_questions();
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$otherexpectedcontext = \context_course::instance($moreotheruserdata[1]->id);
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$morequestions = $moreotheruserdata[3];
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// Update the third set of questions.
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$this->setUser($user);
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foreach ($morequestions as $question) {
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$questiongenerator->update_question($question);
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}
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// Run the get_contexts_for_userid as default user.
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$this->setUser();
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// There should be two contexts returned - the first course, and the third.
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$contextlist = provider::get_contexts_for_userid($user->id);
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$this->assertCount(2, $contextlist);
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$expectedcontexts = [
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$expectedcontext->id,
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$otherexpectedcontext->id,
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];
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$this->assertEquals($expectedcontexts, $contextlist->get_contextids(), 'Contexts not equal', 0.0, 10, true);
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// Run the export_user_Data as the test user.
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$this->setUser($user);
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$approvedcontextlist = new \core_privacy\tests\request\approved_contextlist(
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\core_user::get_user($user->id),
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'core_question',
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$expectedcontexts
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);
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provider::export_user_data($approvedcontextlist);
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// There should be data for the user's question context.
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$writer = writer::with_context($expectedcontext);
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$this->assertTrue($writer->has_any_data());
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// And for the course we updated.
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$otherwriter = writer::with_context($otherexpectedcontext);
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$this->assertTrue($otherwriter->has_any_data());
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// But not for the other user's course.
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$otherwriter = writer::with_context($unexpectedcontext);
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$this->assertFalse($otherwriter->has_any_data());
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// The question data is exported as an XML export in custom files.
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$writer = writer::with_context($expectedcontext);
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$subcontext = [get_string('questionbank', 'core_question')];
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$exportfile = $writer->get_custom_file($subcontext, 'questions.xml');
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$this->assertNotEmpty($exportfile);
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$xmlized = xmlize($exportfile);
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$xmlquestions = $xmlized['quiz']['#']['question'];
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$this->assertCount(2, $xmlquestions);
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// Run the delete functions as default user.
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$this->setUser();
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// Find out how many questions are in the question bank to start with.
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$questioncount = $DB->count_records('question');
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// The delete functions should do nothing here.
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// Delete for all users in context.
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provider::delete_data_for_all_users_in_context($expectedcontext);
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$this->assertEquals($questioncount, $DB->count_records('question'));
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provider::delete_data_for_user($approvedcontextlist);
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$this->assertEquals($questioncount, $DB->count_records('question'));
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}
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/**
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* Deleting questions should only unset their created and modified user.
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*/
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public function test_question_delete_data_for_user_anonymised() {
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global $DB;
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$this->resetAfterTest(true);
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$user = \core_user::get_user_by_username('admin');
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$otheruser = $this->getDataGenerator()->create_user();
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$course = $this->getDataGenerator()->create_course();
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$context = \context_course::instance($course->id);
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$othercourse = $this->getDataGenerator()->create_course();
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$othercontext = \context_course::instance($othercourse->id);
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// Create a couple of questions.
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$cat = $questiongenerator->create_question_category([
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'contextid' => $context->id,
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]);
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$othercat = $questiongenerator->create_question_category([
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'contextid' => $othercontext->id,
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]);
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// Create questions:
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// Q1 - Created by the UUT, Modified by UUT.
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// Q2 - Created by the UUT, Modified by the other user.
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// Q3 - Created by the other user, Modified by UUT
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// Q4 - Created by the other user, Modified by the other user.
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// Q5 - Created by the UUT, Modified by the UUT, but in a different context.
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$this->setUser($user);
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$q1 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
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$q2 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
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$this->setUser($otheruser);
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$questiongenerator->update_question($q2);
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$q3 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
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$q4 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
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$this->setUser($user);
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$questiongenerator->update_question($q3);
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$q5 = $questiongenerator->create_question('shortanswer', null, array('category' => $othercat->id));
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$approvedcontextlist = new \core_privacy\tests\request\approved_contextlist(
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$user,
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'core_question',
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[$context->id]
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);
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// Find out how many questions are in the question bank to start with.
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$questioncount = $DB->count_records('question');
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// Delete the data and check it is removed.
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$this->setUser();
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provider::delete_data_for_user($approvedcontextlist);
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$this->assertEquals($questioncount, $DB->count_records('question'));
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$qrecord = $DB->get_record('question', ['id' => $q1->id]);
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$this->assertEquals(0, $qrecord->createdby);
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$this->assertEquals(0, $qrecord->modifiedby);
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$qrecord = $DB->get_record('question', ['id' => $q2->id]);
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$this->assertEquals(0, $qrecord->createdby);
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$this->assertEquals($otheruser->id, $qrecord->modifiedby);
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$qrecord = $DB->get_record('question', ['id' => $q3->id]);
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$this->assertEquals($otheruser->id, $qrecord->createdby);
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$this->assertEquals(0, $qrecord->modifiedby);
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q4->id]);
|
||
|
|
$this->assertEquals($otheruser->id, $qrecord->createdby);
|
||
|
|
$this->assertEquals($otheruser->id, $qrecord->modifiedby);
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q5->id]);
|
||
|
|
$this->assertEquals($user->id, $qrecord->createdby);
|
||
|
|
$this->assertEquals($user->id, $qrecord->modifiedby);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Deleting questions should only unset their created and modified user for all questions in a context.
|
||
|
|
*/
|
||
|
|
public function test_question_delete_data_for_all_users_in_context_anonymised() {
|
||
|
|
global $DB;
|
||
|
|
$this->resetAfterTest(true);
|
||
|
|
|
||
|
|
$user = \core_user::get_user_by_username('admin');
|
||
|
|
$otheruser = $this->getDataGenerator()->create_user();
|
||
|
|
|
||
|
|
$course = $this->getDataGenerator()->create_course();
|
||
|
|
$context = \context_course::instance($course->id);
|
||
|
|
$othercourse = $this->getDataGenerator()->create_course();
|
||
|
|
$othercontext = \context_course::instance($othercourse->id);
|
||
|
|
|
||
|
|
// Create a couple of questions.
|
||
|
|
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
|
||
|
|
$cat = $questiongenerator->create_question_category([
|
||
|
|
'contextid' => $context->id,
|
||
|
|
]);
|
||
|
|
$othercat = $questiongenerator->create_question_category([
|
||
|
|
'contextid' => $othercontext->id,
|
||
|
|
]);
|
||
|
|
|
||
|
|
// Create questions:
|
||
|
|
// Q1 - Created by the UUT, Modified by UUT.
|
||
|
|
// Q2 - Created by the UUT, Modified by the other user.
|
||
|
|
// Q3 - Created by the other user, Modified by UUT
|
||
|
|
// Q4 - Created by the other user, Modified by the other user.
|
||
|
|
// Q5 - Created by the UUT, Modified by the UUT, but in a different context.
|
||
|
|
$this->setUser($user);
|
||
|
|
$q1 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
|
||
|
|
$q2 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
|
||
|
|
|
||
|
|
$this->setUser($otheruser);
|
||
|
|
$questiongenerator->update_question($q2);
|
||
|
|
$q3 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
|
||
|
|
$q4 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
|
||
|
|
|
||
|
|
$this->setUser($user);
|
||
|
|
$questiongenerator->update_question($q3);
|
||
|
|
$q5 = $questiongenerator->create_question('shortanswer', null, array('category' => $othercat->id));
|
||
|
|
|
||
|
|
// Find out how many questions are in the question bank to start with.
|
||
|
|
$questioncount = $DB->count_records('question');
|
||
|
|
|
||
|
|
// Delete the data and check it is removed.
|
||
|
|
$this->setUser();
|
||
|
|
provider::delete_data_for_all_users_in_context($context);
|
||
|
|
|
||
|
|
$this->assertEquals($questioncount, $DB->count_records('question'));
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q1->id]);
|
||
|
|
$this->assertEquals(0, $qrecord->createdby);
|
||
|
|
$this->assertEquals(0, $qrecord->modifiedby);
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q2->id]);
|
||
|
|
$this->assertEquals(0, $qrecord->createdby);
|
||
|
|
$this->assertEquals(0, $qrecord->modifiedby);
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q3->id]);
|
||
|
|
$this->assertEquals(0, $qrecord->createdby);
|
||
|
|
$this->assertEquals(0, $qrecord->modifiedby);
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q4->id]);
|
||
|
|
$this->assertEquals(0, $qrecord->createdby);
|
||
|
|
$this->assertEquals(0, $qrecord->modifiedby);
|
||
|
|
|
||
|
|
$qrecord = $DB->get_record('question', ['id' => $q5->id]);
|
||
|
|
$this->assertEquals($user->id, $qrecord->createdby);
|
||
|
|
$this->assertEquals($user->id, $qrecord->modifiedby);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test for provider::get_users_in_context().
|
||
|
|
*/
|
||
|
|
public function test_get_users_in_context() {
|
||
|
|
$this->resetAfterTest();
|
||
|
|
|
||
|
|
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
|
||
|
|
|
||
|
|
// Create three test users.
|
||
|
|
$user1 = $this->getDataGenerator()->create_user();
|
||
|
|
$user2 = $this->getDataGenerator()->create_user();
|
||
|
|
$user3 = $this->getDataGenerator()->create_user();
|
||
|
|
|
||
|
|
// Create one question as each user in different contexts.
|
||
|
|
$this->setUser($user1);
|
||
|
|
$user1data = $questiongenerator->setup_course_and_questions();
|
||
|
|
$this->setUser($user2);
|
||
|
|
$user2data = $questiongenerator->setup_course_and_questions();
|
||
|
|
|
||
|
|
$course1context = \context_course::instance($user1data[1]->id);
|
||
|
|
$course1questions = $user1data[3];
|
||
|
|
|
||
|
|
// Log in as user3 and update the questions in course1.
|
||
|
|
$this->setUser($user3);
|
||
|
|
|
||
|
|
foreach ($course1questions as $question) {
|
||
|
|
$questiongenerator->update_question($question);
|
||
|
|
}
|
||
|
|
|
||
|
|
$userlist = new \core_privacy\local\request\userlist($course1context, 'core_question');
|
||
|
|
provider::get_users_in_context($userlist);
|
||
|
|
|
||
|
|
// User1 has created questions and user3 has edited them.
|
||
|
|
$this->assertCount(2, $userlist);
|
||
|
|
$this->assertEquals(
|
||
|
|
[$user1->id, $user3->id],
|
||
|
|
$userlist->get_userids(),
|
||
|
|
'', 0.0, 10, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test for provider::delete_data_for_users().
|
||
|
|
*/
|
||
|
|
public function test_delete_data_for_users() {
|
||
|
|
global $DB;
|
||
|
|
|
||
|
|
$this->resetAfterTest();
|
||
|
|
|
||
|
|
$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
|
||
|
|
|
||
|
|
// Create three test users.
|
||
|
|
$user1 = $this->getDataGenerator()->create_user();
|
||
|
|
$user2 = $this->getDataGenerator()->create_user();
|
||
|
|
$user3 = $this->getDataGenerator()->create_user();
|
||
|
|
|
||
|
|
// Create one question as each user in different contexts.
|
||
|
|
$this->setUser($user1);
|
||
|
|
$course1data = $questiongenerator->setup_course_and_questions();
|
||
|
|
$course1 = $course1data[1];
|
||
|
|
$course1qcat = $course1data[2];
|
||
|
|
$course1questions = $course1data[3];
|
||
|
|
$course1context = \context_course::instance($course1->id);
|
||
|
|
|
||
|
|
// Log in as user2 and update the questions in course1.
|
||
|
|
$this->setUser($user2);
|
||
|
|
|
||
|
|
foreach ($course1questions as $question) {
|
||
|
|
$questiongenerator->update_question($question);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add 2 more questions to course1 by user3.
|
||
|
|
$this->setUser($user3);
|
||
|
|
$questiongenerator->create_question('shortanswer', null, ['category' => $course1qcat->id]);
|
||
|
|
$questiongenerator->create_question('shortanswer', null, ['category' => $course1qcat->id]);
|
||
|
|
|
||
|
|
// Now, log in as user1 again, and then create a new course and add questions to that.
|
||
|
|
$this->setUser($user1);
|
||
|
|
$questiongenerator->setup_course_and_questions();
|
||
|
|
|
||
|
|
$approveduserlist = new \core_privacy\local\request\approved_userlist($course1context, 'core_question',
|
||
|
|
[$user1->id, $user2->id]);
|
||
|
|
provider::delete_data_for_users($approveduserlist);
|
||
|
|
|
||
|
|
// Now, there should be no question related to user1 or user2 in course1.
|
||
|
|
$this->assertEquals(
|
||
|
|
0,
|
||
|
|
$DB->count_records_sql("SELECT COUNT(q.id)
|
||
|
|
FROM {question} q
|
||
|
|
JOIN {question_categories} qc ON q.category = qc.id
|
||
|
|
WHERE qc.contextid = ?
|
||
|
|
AND (q.createdby = ? OR q.modifiedby = ? OR q.createdby = ? OR q.modifiedby = ?)",
|
||
|
|
[$course1context->id, $user1->id, $user1->id, $user2->id, $user2->id])
|
||
|
|
);
|
||
|
|
|
||
|
|
// User3 data in course1 should not change.
|
||
|
|
$this->assertEquals(
|
||
|
|
2,
|
||
|
|
$DB->count_records_sql("SELECT COUNT(q.id)
|
||
|
|
FROM {question} q
|
||
|
|
JOIN {question_categories} qc ON q.category = qc.id
|
||
|
|
WHERE qc.contextid = ? AND (q.createdby = ? OR q.modifiedby = ?)",
|
||
|
|
[$course1context->id, $user3->id, $user3->id])
|
||
|
|
);
|
||
|
|
|
||
|
|
// User1 has authored 2 questions in another course.
|
||
|
|
$this->assertEquals(
|
||
|
|
2,
|
||
|
|
$DB->count_records_select('question', "createdby = ? OR modifiedby = ?", [$user1->id, $user1->id])
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|