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<?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 core_message;defined('MOODLE_INTERNAL') || die();global $CFG;require_once($CFG->dirroot . '/message/tests/messagelib_test.php');/*** Tests for the message helper class.** @package core_message* @category test* @copyright 2018 Jake Dallimore <jrhdallimore@gmail.com>* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later* @covers \core_message\helper*/class helper_test extends \advanced_testcase {public function setUp(): void {$this->resetAfterTest(true);}public function test_get_member_info_ordering(): void {// Create a conversation with several users.$user1 = self::getDataGenerator()->create_user();$user2 = self::getDataGenerator()->create_user();$user3 = self::getDataGenerator()->create_user();$user4 = self::getDataGenerator()->create_user();\core_message\api::create_conversation(\core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP,[$user1->id,$user2->id,$user3->id,$user4->id,],'Group conversation');// Verify that the member information comes back in the same order that we specified in the input array.$memberinfo = \core_message\helper::get_member_info($user1->id, [$user3->id, $user4->id, $user2->id]);$this->assertEquals($user3->id, array_shift($memberinfo)->id);$this->assertEquals($user4->id, array_shift($memberinfo)->id);$this->assertEquals($user2->id, array_shift($memberinfo)->id);}/*** Test search_get_user_details returns the correct profile data when $CFG->messagingallusers is disabled.*/public function test_search_get_user_details_sitewide_disabled(): void {global $DB;set_config('messagingallusers', false);// Two students sharing course 1, visible profile within course (no groups).$user1 = $this->getDataGenerator()->create_user();$user2 = $this->getDataGenerator()->create_user();$course1 = $this->getDataGenerator()->create_course((object) ['groupmode' => 0]);$this->getDataGenerator()->enrol_user($user1->id, $course1->id);$this->getDataGenerator()->enrol_user($user2->id, $course1->id);// A teacher in course 1.$user3 = $this->getDataGenerator()->create_user();$this->getDataGenerator()->enrol_user($user3->id, $course1->id, 'editingteacher');// Two students sharing course 2, separate groups (profiles not visible to one another).// Note: no groups are created here, but separate groups mode alone is enough to restrict profile access.$user4 = $this->getDataGenerator()->create_user();$user5 = $this->getDataGenerator()->create_user();$course2 = $this->getDataGenerator()->create_course((object) ['groupmode' => 1]);$this->getDataGenerator()->enrol_user($user4->id, $course2->id);$this->getDataGenerator()->enrol_user($user5->id, $course2->id);// A teacher in course 2.$user6 = $this->getDataGenerator()->create_user();$this->getDataGenerator()->enrol_user($user6->id, $course2->id, 'editingteacher');// Teacher and course contact in course 3.$user7 = $this->getDataGenerator()->create_user();$course3 = $this->getDataGenerator()->create_course();$this->getDataGenerator()->enrol_user($user7->id, $course3->id, 'editingteacher');$teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));// Make teachers course contacts.set_config('coursecontact', $teacherrole->id);// User 1 should be able to see users within their course, but not course contacts or students in other courses.$this->setUser($user1);$this->assertNotEmpty(\core_message\helper::search_get_user_details($user2)); // Student in same course.$this->assertEmpty(\core_message\helper::search_get_user_details($user4)); // Student in another course.$this->assertNotEmpty(\core_message\helper::search_get_user_details($user3)); // Teacher in same course.$this->assertEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.// User 3 should be able to see the teacher in their own course, but not other students in that course nor course contacts// or students in other courses.$this->setUser($user4);$this->assertEmpty(\core_message\helper::search_get_user_details($user5)); // Student in same course.$this->assertEmpty(\core_message\helper::search_get_user_details($user1)); // Student in another course.$this->assertNotEmpty(\core_message\helper::search_get_user_details($user6)); // Teacher in same course.$this->assertEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.}/*** Test search_get_user_details returns the correct profile data we limit the data we wish to be returned.*/public function test_search_get_user_details_limited_data(): void {set_config('messagingallusers', false);// Two students sharing course 1, visible profile within course (no groups).$user1 = $this->getDataGenerator()->create_user();$user2 = $this->getDataGenerator()->create_user();$course1 = $this->getDataGenerator()->create_course((object) ['groupmode' => 0]);$this->getDataGenerator()->enrol_user($user1->id, $course1->id);$this->getDataGenerator()->enrol_user($user2->id, $course1->id);// Calculate the minimum fields that can be returned.$namefields = \core_user\fields::for_name()->get_required_fields();$fields = array_intersect($namefields, user_get_default_fields());$minimaluser = (object) ['id' => $user2->id,'deleted' => $user2->deleted,];foreach ($namefields as $field) {$minimaluser->$field = $user2->$field;}// Test that less data is returned using the filter.$this->setUser($user1);$fulldetails = helper::search_get_user_details($user2);$limiteddetails = helper::search_get_user_details($minimaluser, $fields);$fullcount = count($fulldetails);$limitedcount = count($limiteddetails);$this->assertLessThan($fullcount, $limitedcount);$this->assertNotEquals($fulldetails, $limiteddetails);}/*** Test search_get_user_details returns the correct profile data when $CFG->messagingallusers is enabled.*/public function test_search_get_user_details_sitewide_enabled(): void {global $DB;set_config('messagingallusers', true);// Two students sharing course 1, visible profile within course (no groups).$user1 = $this->getDataGenerator()->create_user();$user2 = $this->getDataGenerator()->create_user();$course1 = $this->getDataGenerator()->create_course((object) ['groupmode' => 0]);$this->getDataGenerator()->enrol_user($user1->id, $course1->id);$this->getDataGenerator()->enrol_user($user2->id, $course1->id);// A teacher in course 1.$user3 = $this->getDataGenerator()->create_user();$this->getDataGenerator()->enrol_user($user3->id, $course1->id, 'editingteacher');// Two students sharing course 2, separate groups (profiles not visible to one another).// Note: no groups are created here, but separate groups mode alone is enough to restrict profile access.$user4 = $this->getDataGenerator()->create_user();$user5 = $this->getDataGenerator()->create_user();$course2 = $this->getDataGenerator()->create_course((object) ['groupmode' => 1]);$this->getDataGenerator()->enrol_user($user4->id, $course2->id);$this->getDataGenerator()->enrol_user($user5->id, $course2->id);// A teacher in course 2.$user6 = $this->getDataGenerator()->create_user();$this->getDataGenerator()->enrol_user($user6->id, $course2->id, 'editingteacher');// Teacher and course contact in course 3.$user7 = $this->getDataGenerator()->create_user();$course3 = $this->getDataGenerator()->create_course();$this->getDataGenerator()->enrol_user($user7->id, $course3->id, 'editingteacher');$teacherrole = $DB->get_record('role', array('shortname' => 'editingteacher'));// Make teachers course contacts.set_config('coursecontact', $teacherrole->id);// User 1 should be able to see users within their course and course contacts, but not students in other courses.$this->setUser($user1);$this->assertNotEmpty(\core_message\helper::search_get_user_details($user2)); // Student in same course.$this->assertEmpty(\core_message\helper::search_get_user_details($user4)); // Student in another course.$this->assertNotEmpty(\core_message\helper::search_get_user_details($user3)); // Teacher in same course.$this->assertNotEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.// User 3 should be able to see the teacher in their own course, but not other students in that course nor course contacts// or students in other courses.$this->setUser($user4);$this->assertEmpty(\core_message\helper::search_get_user_details($user5)); // Student in same course.$this->assertEmpty(\core_message\helper::search_get_user_details($user1)); // Student in another course.$this->assertNotEmpty(\core_message\helper::search_get_user_details($user6)); // Teacher in same course.$this->assertNotEmpty(\core_message\helper::search_get_user_details($user7)); // Teacher (course contact) in another course.}/*** Test prevent_unclosed_html_tags returns the correct html.** @dataProvider prevent_unclosed_html_tags_data* @param string $text text to preview unclosed html tags.* @param string $goodhtml html good structured.* @param bool $removebody true if we want to remove tag body.*/public function test_prevent_unclosed_html_tags(string $message, string $goodhtml, bool $removebody): void {$this->setAdminUser();$html = \core_message\helper::prevent_unclosed_html_tags($message, $removebody);$this->assertSame($goodhtml, $html);}/*** Data provider for the test_prevent_unclosed_html_tags_data tests.** @return array*/public function prevent_unclosed_html_tags_data(): array {return ['Prevent unclosed html elements' => ['<h1>Title</h1><p>Paragraph</p><b>Bold', '<h1>Title</h1><p>Paragraph</p><b>Bold</b>', true],'Prevent unclosed html elements including comments' => ['<h1>Title</h1><p>Paragraph</p><!-- Comments //--><b>Bold', '<h1>Title</h1><p>Paragraph</p><!-- Comments //--><b>Bold</b>', true],'Prevent unclosed comments' => ['<h1>Title</h1><p>Paragraph</p><!-- Comments', '<h1>Title</h1><p>Paragraph</p>', true],'Prevent unclosed html elements without removing tag body' => ['<body><h2>Title 2</h2><p>Paragraph</p><b>Bold</body>', '<body><h2>Title 2</h2><p>Paragraph</p><b>Bold</b></body>', false],'Empty html' => ['', '', false],'Check encoding UTF-8 is working' => ['<body><h1>Title</h1><p>السلام عليكم</p></body>', '<body><h1>Title</h1><p>السلام عليكم</p></body>', false],];}}