<?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/>.

/**
 * Provides the {@see \core_form\privacy\provider_test} class.
 *
 * @package     core_form
 * @category    test
 * @copyright   2018 David Mudrák <david@moodle.com>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
namespace core_form\privacy;

use core_form\privacy\provider;
use core_privacy\local\request\writer;

defined('MOODLE_INTERNAL') || die();

/**
 * Unit tests for the privacy API implementation.
 *
 * @copyright 2018 David Mudrák <david@moodle.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class provider_test extends \core_privacy\tests\provider_testcase {

    /**
     * When no preference exists, there should be no export.
     */
    public function test_no_preference() {
        global $USER;
        $this->resetAfterTest();
        $this->setAdminUser();

        provider::export_user_preferences($USER->id);
        $this->assertFalse(writer::with_context(\context_system::instance())->has_any_data());
    }

    /**
     * Test that the recently selected filepicker view mode is exported.
     *
     * @dataProvider data_filemanager_recentviewmode
     * @param string $val Value of the preference filemanager_recentviewmode
     * @param string $desc Text describing the preference
     */
    public function test_filemanager_recentviewmode(string $val, string $desc) {
        $this->resetAfterTest();

        // Create test user, add some preferences.
        $user = $this->getDataGenerator()->create_user();
        $this->setUser($user);

        set_user_preference('filemanager_recentviewmode', $val, $user);

        // Switch to admin user (so we can validate preferences of the correct user are being exported).
        $this->setAdminUser();

        // Export test users preferences.
        provider::export_user_preferences($user->id);
        $this->assertTrue(writer::with_context(\context_system::instance())->has_any_data());

        $prefs = writer::with_context(\context_system::instance())->get_user_preferences('core_form');
        $this->assertNotEmpty($prefs->filemanager_recentviewmode);
        $this->assertNotEmpty($prefs->filemanager_recentviewmode->value);
        $this->assertNotEmpty($prefs->filemanager_recentviewmode->description);
        $this->assertEquals($val, $prefs->filemanager_recentviewmode->value);
        $this->assertStringContainsString($desc, $prefs->filemanager_recentviewmode->description);
    }

    /**
     * Provides data for the {@link self::test_filemanager_recentviewmode()} method.
     *
     * @return array
     */
    public function data_filemanager_recentviewmode() {
        return [
            'icons' => [
                'val' => '1',
                'desc' => get_string('displayasicons', 'core_repository'),
            ],
            'tree' => [
                'val' => '2',
                'desc' => get_string('displayastree', 'core_repository'),
            ],
            'details' => [
                'val' => '3',
                'desc' => get_string('displaydetails', 'core_repository'),
            ],
            'unknown' => [
                'val' => 'unexpectedvalue_foo_bar',
                'desc' => 'unexpectedvalue_foo_bar',
            ],
        ];
    }
}
