Proyectos de Subversion Moodle

<?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 mod_book;

use core_external\external_api;

use externallib_advanced_testcase;

use mod_book_external;

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

global $CFG;

require_once($CFG->dirroot . '/webservice/tests/helpers.php');

/**

 * External mod_book functions unit tests

 *

 * @package    mod_book

 * @category   external

 * @copyright  2015 Juan Leyva <juan@moodle.com>

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 * @since      Moodle 3.0

 */

class externallib_test extends externallib_advanced_testcase {

    /**

     * Test view_book

     */

    public function test_view_book(): void {

        global $DB;

        $this->resetAfterTest(true);

        $this->setAdminUser();

        // Setup test data.

        $course = $this->getDataGenerator()->create_course();

        $book = $this->getDataGenerator()->create_module('book', array('course' => $course->id));

        $bookgenerator = $this->getDataGenerator()->get_plugin_generator('mod_book');

        $chapter = $bookgenerator->create_chapter(array('bookid' => $book->id));

        $chapterhidden = $bookgenerator->create_chapter(array('bookid' => $book->id, 'hidden' => 1));

        $context = \context_module::instance($book->cmid);

        $cm = get_coursemodule_from_instance('book', $book->id);

        // Test invalid instance id.

        try {

            mod_book_external::view_book(0);

            $this->fail('Exception expected due to invalid mod_book instance id.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('invalidrecord', $e->errorcode);

        }

        // Test not-enrolled user.

        $user = self::getDataGenerator()->create_user();

        $this->setUser($user);

        try {

            mod_book_external::view_book($book->id, 0);

            $this->fail('Exception expected due to not enrolled user.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('requireloginerror', $e->errorcode);

        }

        // Test user with full capabilities.

        $studentrole = $DB->get_record('role', array('shortname' => 'student'));

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id);

        // Trigger and capture the event.

        $sink = $this->redirectEvents();

        $result = mod_book_external::view_book($book->id, 0);

        $result = external_api::clean_returnvalue(mod_book_external::view_book_returns(), $result);

        $events = $sink->get_events();

        $this->assertCount(2, $events);

        $event = array_shift($events);

        // Checking that the event contains the expected values.

        $this->assertInstanceOf('\mod_book\event\course_module_viewed', $event);

        $this->assertEquals($context, $event->get_context());

        $moodleurl = new \moodle_url('/mod/book/view.php', array('id' => $cm->id));

        $this->assertEquals($moodleurl, $event->get_url());

        $this->assertEventContextNotUsed($event);

        $this->assertNotEmpty($event->get_name());

        $event = array_shift($events);

        $this->assertInstanceOf('\mod_book\event\chapter_viewed', $event);

        $this->assertEquals($chapter->id, $event->objectid);

        $result = mod_book_external::view_book($book->id, $chapter->id);

        $result = external_api::clean_returnvalue(mod_book_external::view_book_returns(), $result);

        $events = $sink->get_events();

        // We expect a total of 3 events.

        $this->assertCount(3, $events);

        // Try to view a hidden chapter.

        try {

            mod_book_external::view_book($book->id, $chapterhidden->id);

            $this->fail('Exception expected due to missing capability.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('errorchapter', $e->errorcode);

        }

        // Test user with no capabilities.

        // We need a explicit prohibit since this capability is only defined in authenticated user and guest roles.

        assign_capability('mod/book:read', CAP_PROHIBIT, $studentrole->id, $context->id);

        accesslib_clear_all_caches_for_unit_testing();

        try {

            mod_book_external::view_book($book->id, 0);

            $this->fail('Exception expected due to missing capability.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('nopermissions', $e->errorcode);

        }

    }

    /**

     * Test get_books_by_courses

     */

    public function test_get_books_by_courses(): void {

        global $DB, $USER;

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $course1 = self::getDataGenerator()->create_course();

        $bookoptions1 = array(

                              'course' => $course1->id,

                              'name' => 'First Book'

                             );

        $book1 = self::getDataGenerator()->create_module('book', $bookoptions1);

        $course2 = self::getDataGenerator()->create_course();

        $bookoptions2 = array(

                              'course' => $course2->id,

                              'name' => 'Second Book'

                             );

        $book2 = self::getDataGenerator()->create_module('book', $bookoptions2);

        $student1 = $this->getDataGenerator()->create_user();

        $studentrole = $DB->get_record('role', array('shortname' => 'student'));

        // Enroll Student1 in Course1.

        self::getDataGenerator()->enrol_user($student1->id,  $course1->id, $studentrole->id);

        $this->setUser($student1);

        $books = mod_book_external::get_books_by_courses();

        // We need to execute the return values cleaning process to simulate the web service server.

        $books = external_api::clean_returnvalue(mod_book_external::get_books_by_courses_returns(), $books);

        $this->assertCount(1, $books['books']);

        $this->assertEquals('First Book', $books['books'][0]['name']);

        // We see 10 fields.

        $this->assertCount(11, $books['books'][0]);

        // As Student you cannot see some book properties like 'section'.

        $this->assertFalse(isset($books['books'][0]['section']));

        // Student1 is not enrolled in course2. The webservice will return a warning!

        $books = mod_book_external::get_books_by_courses(array($course2->id));

        // We need to execute the return values cleaning process to simulate the web service server.

        $books = external_api::clean_returnvalue(mod_book_external::get_books_by_courses_returns(), $books);

        $this->assertCount(0, $books['books']);

        $this->assertEquals(1, $books['warnings'][0]['warningcode']);

        // Now as admin.

        $this->setAdminUser();

        // As Admin we can see this book.

        $books = mod_book_external::get_books_by_courses(array($course2->id));

        // We need to execute the return values cleaning process to simulate the web service server.

        $books = external_api::clean_returnvalue(mod_book_external::get_books_by_courses_returns(), $books);

        $this->assertCount(1, $books['books']);

        $this->assertEquals('Second Book', $books['books'][0]['name']);

        // We see 17 fields.

        $this->assertCount(18, $books['books'][0]);

        // As an Admin you can see some book properties like 'section'.

        $this->assertEquals(0, $books['books'][0]['section']);

        // Enrol student in the second course.

        self::getDataGenerator()->enrol_user($student1->id,  $course2->id, $studentrole->id);

        $this->setUser($student1);

        $books = mod_book_external::get_books_by_courses();

        $books = external_api::clean_returnvalue(mod_book_external::get_books_by_courses_returns(), $books);

        $this->assertCount(2, $books['books']);

    }

}