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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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namespace core_privacy\privacy;
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use core_privacy\manager;
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/**
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* Slow unit tests for all Privacy Providers that require database modifications.
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*
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* @package core_privacy
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* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
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* @copyright 2025 Petr Skoda
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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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final class provider_advanced_test extends \advanced_testcase {
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/**
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* Returns a list of frankenstyle names of core components (plugins and subsystems).
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*
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* @return array the array of frankenstyle component names with the relevant class name.
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*/
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public static function get_component_list(): array {
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$components = ['core' => [
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'component' => 'core',
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'classname' => manager::get_provider_classname_for_component('core'),
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]];
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// Get all plugins.
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$plugintypes = \core_component::get_plugin_types();
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foreach ($plugintypes as $plugintype => $typedir) {
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$plugins = \core_component::get_plugin_list($plugintype);
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foreach ($plugins as $pluginname => $plugindir) {
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$frankenstyle = $plugintype . '_' . $pluginname;
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$components[$frankenstyle] = [
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'component' => $frankenstyle,
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'classname' => manager::get_provider_classname_for_component($frankenstyle),
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];
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}
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}
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// Get all subsystems.
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foreach (\core_component::get_core_subsystems() as $name => $path) {
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if (isset($path)) {
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$frankenstyle = 'core_' . $name;
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$components[$frankenstyle] = [
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'component' => $frankenstyle,
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'classname' => manager::get_provider_classname_for_component($frankenstyle),
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];
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}
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}
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return $components;
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}
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/**
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* Ensure that providers do not throw an error when processing a deleted user.
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*
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* @group plugin_checks
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* @dataProvider is_user_data_provider
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* @coversNothing
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* @param string $component
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*/
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public function test_component_understands_deleted_users($component): void {
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$this->resetAfterTest();
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// Create a user.
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$user = $this->getDataGenerator()->create_user();
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// Delete the user and their context.
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delete_user($user);
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$usercontext = \context_user::instance($user->id);
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$usercontext->delete();
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$contextlist = manager::component_class_callback($component, \core_privacy\local\request\core_user_data_provider::class,
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'get_contexts_for_userid', [$user->id]);
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$this->assertInstanceOf(\core_privacy\local\request\contextlist::class, $contextlist);
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}
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/**
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* List of providers which implement the core_user_data_provider.
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*
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* @return array
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*/
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public static function is_user_data_provider(): array {
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return array_map(
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fn ($data) => ['component' => $data['component']],
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array_filter(self::get_component_list(), function($component): bool {
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return static::component_implements(
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$component['classname'],
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\core_privacy\local\request\core_user_data_provider::class
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);
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}),
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);
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}
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/**
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* Checks whether the component's provider class implements the specified interface, either directly or as a grandchild.
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*
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* @param string $providerclass The name of the class to test.
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* @param string $interface the name of the interface we want to check.
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* @return bool Whether the class implements the interface.
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*/
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protected static function component_implements($providerclass, $interface) {
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if (class_exists($providerclass) && interface_exists($interface)) {
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return is_subclass_of($providerclass, $interface);
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}
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return false;
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}
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}
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