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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 quizaccess_seb;
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defined('MOODLE_INTERNAL') || die();
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require_once(__DIR__ . '/test_helper_trait.php');
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/**
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* PHPUnit tests for helper class.
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*
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* @package quizaccess_seb
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* @author Dmitrii Metelkin <dmitriim@catalyst-au.net>
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* @copyright 2020 Catalyst IT
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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 helper_test extends \advanced_testcase {
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use \quizaccess_seb_test_helper_trait;
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/**
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* Test that we can check valid seb string.
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*/
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public function test_is_valid_seb_config(): void {
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$validseb = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
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<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">
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<plist version=\"1.0\"><dict><key>showTaskBar</key><true/><key>allowWlan</key><false/><key>showReloadButton</key><true/>"
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. "<key>showTime</key><false/><key>showInputLanguage</key><true/><key>allowQuit</key><true/>"
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. "<key>quitURLConfirm</key><true/><key>audioControlEnabled</key><true/><key>audioMute</key><false/>"
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. "<key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key><true/><key>URLFilterEnable</key><true/>"
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. "<key>URLFilterEnableContentFilter</key><false/><key>hashedQuitPassword</key>"
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. "<string>9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08</string><key>URLFilterRules</key>"
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. "<array><dict><key>action</key><integer>1</integer><key>active</key><true/><key>expression</key>"
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. "<string>test.com</string><key>regex</key><false/></dict></array>"
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. "<key>sendBrowserExamKey</key><true/></dict></plist>\n";
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$invalidseb = 'Invalid seb';
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$emptyseb = '';
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$this->assertTrue(\quizaccess_seb\helper::is_valid_seb_config($validseb));
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$this->assertFalse(\quizaccess_seb\helper::is_valid_seb_config($invalidseb));
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$this->assertFalse(\quizaccess_seb\helper::is_valid_seb_config($emptyseb));
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}
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/**
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* Test that we can get seb file headers.
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*/
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public function test_get_seb_file_headers(): void {
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$expiretime = 1582767914;
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$headers = \quizaccess_seb\helper::get_seb_file_headers($expiretime);
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$this->assertCount(5, $headers);
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$this->assertEquals('Cache-Control: private, max-age=1, no-transform', $headers[0]);
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$this->assertEquals('Expires: Thu, 27 Feb 2020 01:45:14 GMT', $headers[1]);
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$this->assertEquals('Pragma: no-cache', $headers[2]);
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$this->assertEquals('Content-Disposition: attachment; filename=config.seb', $headers[3]);
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$this->assertEquals('Content-Type: application/seb', $headers[4]);
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}
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/**
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* Test that the course module must exist to get a seb config file content.
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*/
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public function test_can_not_get_config_content_with_invalid_cmid(): void {
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$this->resetAfterTest();
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$user = $this->getDataGenerator()->create_user();
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$course = $this->getDataGenerator()->create_course();
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$this->getDataGenerator()->enrol_user($user->id, $course->id);
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$this->setUser($user); // Log user in.
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$this->expectException(\dml_exception::class);
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$this->expectExceptionMessage("Can't find data record in database. (SELECT cm.*, m.name, md.name AS modname \n"
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. " FROM {course_modules} cm\n"
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. " JOIN {modules} md ON md.id = cm.module\n"
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. " JOIN {quiz} m ON m.id = cm.instance\n"
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. " \n"
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. " WHERE cm.id = :cmid AND md.name = :modulename\n"
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. " \n"
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. "[array (\n"
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. " 'cmid' => '999',\n"
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. " 'modulename' => 'quiz',\n"
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.')])');
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\quizaccess_seb\helper::get_seb_config_content('999');
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}
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/**
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* Test that the user must be enrolled to get seb config content.
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*/
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public function test_can_not_get_config_content_when_user_not_enrolled_in_course(): void {
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$this->resetAfterTest();
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$this->setAdminUser();
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$course = $this->getDataGenerator()->create_course();
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$quiz = $this->create_test_quiz($course, \quizaccess_seb\settings_provider::USE_SEB_CONFIG_MANUALLY);
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$user = $this->getDataGenerator()->create_user();
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$this->setUser($user); // Log user in.
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$this->expectException(\moodle_exception::class);
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$this->expectExceptionMessage('Unsupported redirect detected, script execution terminated');
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\quizaccess_seb\helper::get_seb_config_content($quiz->cmid);
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}
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/**
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* Test that if SEB quiz settings can't be found, a seb config content won't be provided.
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*/
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public function test_can_not_get_config_content_if_config_not_found_for_cmid(): void {
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$this->resetAfterTest();
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$this->setAdminUser();
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$course = $this->getDataGenerator()->create_course();
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$quiz = $this->create_test_quiz($course);
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$user = $this->getDataGenerator()->create_user();
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$this->getDataGenerator()->enrol_user($user->id, $course->id);
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$this->setUser($user); // Log user in.
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$this->expectException(\moodle_exception::class);
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$this->expectExceptionMessage("No SEB config could be found for quiz with cmid: $quiz->cmid");
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\quizaccess_seb\helper::get_seb_config_content($quiz->cmid);
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}
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/**
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* That that if config is empty for a quiz, a seb config content won't be provided.
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*/
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public function test_can_not_get_config_content_if_config_empty(): void {
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$this->resetAfterTest();
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$this->setAdminUser();
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$course = $this->getDataGenerator()->create_course();
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$quiz = $this->create_test_quiz($course, \quizaccess_seb\settings_provider::USE_SEB_NO);
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$user = $this->getDataGenerator()->create_user();
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$this->getDataGenerator()->enrol_user($user->id, $course->id);
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$this->setUser($user); // Log user in.
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$this->expectException(\moodle_exception::class);
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$this->expectExceptionMessage("No SEB config could be found for quiz with cmid: $quiz->cmid");
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\quizaccess_seb\helper::get_seb_config_content($quiz->cmid);
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}
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/**
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* Test config content is provided successfully.
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*/
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public function test_config_provided(): void {
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$this->resetAfterTest();
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$this->setAdminUser();
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$course = $this->getDataGenerator()->create_course();
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$quiz = $this->create_test_quiz($course, \quizaccess_seb\settings_provider::USE_SEB_CONFIG_MANUALLY);
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$user = $this->getDataGenerator()->create_user();
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$this->getDataGenerator()->enrol_user($user->id, $course->id);
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$this->setUser($user); // Log user in.
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$config = \quizaccess_seb\helper::get_seb_config_content($quiz->cmid);
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$url = new \moodle_url("/mod/quiz/view.php", ['id' => $quiz->cmid]);
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$this->assertEquals("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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. "<!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
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. "<plist version=\"1.0\"><dict><key>showTaskBar</key><true/><key>allowWlan</key>"
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. "<false/><key>showReloadButton</key><true/><key>showTime</key><true/><key>showInputLanguage</key>"
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. "<true/><key>allowQuit</key><true/><key>quitURLConfirm</key><true/><key>audioControlEnabled</key>"
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. "<false/><key>audioMute</key><false/><key>allowSpellCheck</key><false/><key>browserWindowAllowReload</key>"
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. "<true/><key>URLFilterEnable</key><false/><key>URLFilterEnableContentFilter</key><false/>"
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. "<key>URLFilterRules</key><array/><key>startURL</key><string>$url</string>"
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. "<key>sendBrowserExamKey</key><true/><key>browserWindowWebView</key><integer>3</integer>"
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. "<key>examSessionClearCookiesOnStart</key><false/>"
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. "<key>allowPreferencesWindow</key><false/></dict></plist>\n", $config);
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}
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}
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