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MDL-64525 comments: Tests for deleting frozen comments

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Neill Magill 2019-08-09 16:06:53 +01:00
parent a04309d40e
commit 7603ca3080
1 changed files with 166 additions and 0 deletions
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comment/tests/context_freeze_test.php Normal file
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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/>.
/**
* Tests for comments when the context is frozen.
*
* @package core_comment
* @copyright 2019 University of Nottingham
* @author Neill Magill <neill.magill@nottingham.ac.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Tests for comments when the context is frozen.
*
* @package core_comment
* @copyright 2019 University of Nottingham
* @author Neill Magill <neill.magill@nottingham.ac.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class comment_context_freeze_testcase extends advanced_testcase {
/**
* Creates a comment by a student.
*
* Returns:
* - The comment object
* - The sudent that wrote the comment
* - The arguments used to create the comment
*
* @param stdClass $course Moodle course from the datagenerator
* @return array
*/
protected function create_student_comment_and_freeze_course($course): array {
set_config('contextlocking', 1);
$context = context_course::instance($course->id);
$student = $this->getDataGenerator()->create_and_enrol($course, 'student');
$args = new stdClass;
$args->context = $context;
$args->course = $course;
$args->area = 'page_comments';
$args->itemid = 0;
$args->component = 'block_comments';
$args->linktext = get_string('showcomments');
$args->notoggle = true;
$args->autostart = true;
$args->displaycancel = false;
// Create a comment by the student.
$this->setUser($student);
$comment = new comment($args);
$newcomment = $comment->add('New comment');
// Freeze the context.
$this->setAdminUser();
$context->set_locked(true);
return [$newcomment, $student, $args];
}
/**
* Test that a student cannot delete their own comments in frozen contexts via the external service.
*/
public function test_delete_student_external() {
global $CFG;
require_once($CFG->dirroot . '/comment/lib.php');
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
list($newcomment, $student, $args) = $this->create_student_comment_and_freeze_course($course);
// Check that a student cannot delete their own comment.
$this->setUser($student);
$studentcomment = new comment($args);
$this->assertFalse($studentcomment->can_delete($newcomment->id));
$this->assertFalse($studentcomment->can_post());
$this->expectException(comment_exception::class);
$this->expectExceptionMessage(get_string('nopermissiontodelentry', 'error'));
core_comment_external::delete_comments([$newcomment->id]);
}
/**
* Test that a student cannot delete their own comments in frozen contexts.
*/
public function test_delete_student() {
global $CFG;
require_once($CFG->dirroot . '/comment/lib.php');
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
list($newcomment, $student, $args) = $this->create_student_comment_and_freeze_course($course);
// Check that a student cannot delete their own comment.
$this->setUser($student);
$studentcomment = new comment($args);
$this->assertFalse($studentcomment->can_delete($newcomment->id));
$this->assertFalse($studentcomment->can_post());
$this->expectException(comment_exception::class);
$this->expectExceptionMessage(get_string('nopermissiontocomment', 'error'));
$studentcomment->delete($newcomment->id);
}
/**
* Test that an admin cannot delete comments in frozen contexts via the external service.
*/
public function test_delete_admin_external() {
global $CFG;
require_once($CFG->dirroot . '/comment/lib.php');
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
list($newcomment, $student, $args) = $this->create_student_comment_and_freeze_course($course);
// Check that the admin user cannot delete the comment.
$admincomment = new comment($args);
$this->assertFalse($admincomment->can_delete($newcomment->id));
$this->assertFalse($admincomment->can_post());
$this->expectException(comment_exception::class);
$this->expectExceptionMessage(get_string('nopermissiontodelentry', 'error'));
core_comment_external::delete_comments([$newcomment->id]);
}
/**
* Test that an admin cannot delete comments in frozen contexts.
*/
public function test_delete_admin() {
global $CFG;
require_once($CFG->dirroot . '/comment/lib.php');
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
list($newcomment, $student, $args) = $this->create_student_comment_and_freeze_course($course);
// Check that the admin user cannot delete the comment.
$admincomment = new comment($args);
$this->assertFalse($admincomment->can_delete($newcomment->id));
$this->assertFalse($admincomment->can_post());
$this->expectException(comment_exception::class);
$this->expectExceptionMessage(get_string('nopermissiontocomment', 'error'));
$admincomment->delete($newcomment->id);
}
}