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_forum;

use mod_forum_tests_generator_trait;

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

global $CFG;

require_once($CFG->dirroot . '/mod/forum/lib.php');

require_once($CFG->dirroot . '/mod/forum/locallib.php');

require_once(__DIR__ . '/generator_trait.php');

/**

 * Tests for private reply functionality.

 *

 * @package    mod_forum

 * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>

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

 */

final class private_replies_test extends \advanced_testcase {

    use mod_forum_tests_generator_trait;

    /**

     * Setup before tests.

     */

    public function setUp(): void {

        parent::setUp();

        // We must clear the subscription caches. This has to be done both before each test, and after in case of other

        // tests using these functions.

        \mod_forum\subscriptions::reset_forum_cache();

    }

    /**

     * Tear down after tests.

     */

    public function tearDown(): void {

        // We must clear the subscription caches. This has to be done both before each test, and after in case of other

        // tests using these functions.

        \mod_forum\subscriptions::reset_forum_cache();

        parent::tearDown();

    }

    /**

     * Ensure that the forum_post_is_visible_privately function reports that a post is visible to a user when another

     * user wrote the post, and it is not private.

     */

    public function test_forum_post_is_visible_privately_not_private(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student] = $this->helper_create_users($course, 1, 'student');

        [$teacher] = $this->helper_create_users($course, 1, 'teacher');

        [$discussion] = $this->helper_post_to_forum($forum, $teacher);

        $post = $this->helper_post_to_discussion($forum, $discussion, $teacher);

        $this->setUser($student);

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

        $this->assertTrue(forum_post_is_visible_privately($post, $cm));

    }

    /**

     * Ensure that the forum_post_is_visible_privately function reports that a post is visible to a user when another

     * user wrote the post, and the user under test is the intended recipient.

     */

    public function test_forum_post_is_visible_privately_private_to_user(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student] = $this->helper_create_users($course, 1, 'student');

        [$teacher] = $this->helper_create_users($course, 1, 'teacher');

        [$discussion] = $this->helper_post_to_forum($forum, $teacher);

        $post = $this->helper_post_to_discussion($forum, $discussion, $teacher, [

                'privatereplyto' => $student->id,

            ]);

        $this->setUser($student);

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

        $this->assertTrue(forum_post_is_visible_privately($post, $cm));

    }

    /**

     * Ensure that the forum_post_is_visible_privately function reports that a post is visible to a user when another

     * user wrote the post, and the user under test is a role with the view capability.

     */

    public function test_forum_post_is_visible_privately_private_to_user_view_as_teacher(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student] = $this->helper_create_users($course, 1, 'student');

        [$teacher, $otherteacher] = $this->helper_create_users($course, 2, 'teacher');

        [$discussion] = $this->helper_post_to_forum($forum, $teacher);

        $post = $this->helper_post_to_discussion($forum, $discussion, $teacher, [

                'privatereplyto' => $student->id,

            ]);

        $this->setUser($otherteacher);

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

        $this->assertTrue(forum_post_is_visible_privately($post, $cm));

    }

    /**

     * Ensure that the forum_post_is_visible_privately function reports that a post is not visible to a user when

     * another user wrote the post, and the user under test is a role without the view capability.

     */

    public function test_forum_post_is_visible_privately_private_to_user_view_as_other_student(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student, $otherstudent] = $this->helper_create_users($course, 2, 'student');

        [$teacher] = $this->helper_create_users($course, 1, 'teacher');

        [$discussion] = $this->helper_post_to_forum($forum, $teacher);

        $post = $this->helper_post_to_discussion($forum, $discussion, $teacher, [

                'privatereplyto' => $student->id,

            ]);

        $this->setUser($otherstudent);

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

        $this->assertFalse(forum_post_is_visible_privately($post, $cm));

    }

    /**

     * Ensure that the forum_post_is_visible_privately function reports that a post is visible to a user who wrote a

     * private reply, but not longer holds the view capability.

     */

    public function test_forum_post_is_visible_privately_private_to_user_view_as_author(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student] = $this->helper_create_users($course, 1, 'student');

        [$teacher] = $this->helper_create_users($course, 1, 'teacher');

        [$discussion] = $this->helper_post_to_forum($forum, $teacher);

        $post = $this->helper_post_to_discussion($forum, $discussion, $teacher, [

                'privatereplyto' => $student->id,

            ]);

        unassign_capability('mod/forum:readprivatereplies', $this->get_role_id('teacher'));

        $this->setUser($teacher);

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

        $this->assertTrue(forum_post_is_visible_privately($post, $cm));

    }

    /**

     * Ensure that the forum_user_can_reply_privately returns true for a teacher replying to a forum post.

     */

    public function test_forum_user_can_reply_privately_as_teacher(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student] = $this->helper_create_users($course, 1, 'student');

        [$teacher] = $this->helper_create_users($course, 1, 'teacher');

        [, $post] = $this->helper_post_to_forum($forum, $student);

        $this->setUser($teacher);

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

        $context = \context_module::instance($cm->id);

        $this->assertTrue(forum_user_can_reply_privately($context, $post));

    }

    /**

     * Ensure that the forum_user_can_reply_privately returns true for a teacher replying to a forum post.

     */

    public function test_forum_user_can_reply_privately_as_student(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student, $otherstudent] = $this->helper_create_users($course, 2, 'student');

        [, $post] = $this->helper_post_to_forum($forum, $student);

        $this->setUser($otherstudent);

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

        $context = \context_module::instance($cm->id);

        $this->assertFalse(forum_user_can_reply_privately($context, $post));

    }

    /**

     * Ensure that the forum_user_can_reply_privately returns false where the parent post is already a private reply.

     */

    public function test_forum_user_can_reply_privately_parent_is_already_private(): void {

        $this->resetAfterTest();

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

        $forum = $this->getDataGenerator()->create_module('forum', [

            'course' => $course->id,

        ]);

        [$student] = $this->helper_create_users($course, 1, 'student');

        [$teacher] = $this->helper_create_users($course, 1, 'teacher');

        [$discussion] = $this->helper_post_to_forum($forum, $student);

        $post = $this->helper_post_to_discussion($forum, $discussion, $teacher, ['privatereplyto' => $student->id]);

        $this->setUser($teacher);

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

        $context = \context_module::instance($cm->id);

        $this->assertFalse(forum_user_can_reply_privately($context, $post));

    }

}