moodle-local_mycerts/tests/privacy_provider_test.php

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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/>.
/**
* Privacy provider tests.
*
* @package mod_customcert
* @copyright 2018 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
use mod_customcert\privacy\provider;
defined('MOODLE_INTERNAL') || die();
/**
* Privacy provider tests class.
*
* @package mod_customcert
* @copyright 2018 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_customcert_privacy_provider_testcase extends \core_privacy\tests\provider_testcase {
/**
* Test for provider::get_contexts_for_userid().
*/
public function test_get_contexts_for_userid() {
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
// The customcert activity the user will have an issue from.
$customcert = $this->getDataGenerator()->create_module('customcert', ['course' => $course->id]);
// Another customcert activity that has no issued certificates.
$this->getDataGenerator()->create_module('customcert', ['course' => $course->id]);
// Create a user who will be issued a certificate.
$user = $this->getDataGenerator()->create_user();
// Issue the certificate.
$this->create_certificate_issue($customcert->id, $user->id);
// Check the context supplied is correct.
$contextlist = provider::get_contexts_for_userid($user->id);
$this->assertCount(1, $contextlist);
$contextformodule = $contextlist->current();
$cmcontext = context_module::instance($customcert->cmid);
$this->assertEquals($cmcontext->id, $contextformodule->id);
}
/**
* Test for provider::get_users_in_context().
*/
public function test_get_users_in_context() {
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
// The customcert activity the user will have an issue from.
$customcert1 = $this->getDataGenerator()->create_module('customcert', ['course' => $course->id]);
$customcert2 = $this->getDataGenerator()->create_module('customcert', ['course' => $course->id]);
// Call get_users_in_context() when the customcert hasn't any user.
$cm = get_coursemodule_from_instance('customcert', $customcert1->id);
$cmcontext = context_module::instance($cm->id);
$userlist = new \core_privacy\local\request\userlist($cmcontext, 'mod_customcert');
provider::get_users_in_context($userlist);
// Check no user has been returned.
$this->assertCount(0, $userlist->get_userids());
// Create some users who will be issued a certificate.
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$user3 = $this->getDataGenerator()->create_user();
$this->create_certificate_issue($customcert1->id, $user1->id);
$this->create_certificate_issue($customcert1->id, $user2->id);
$this->create_certificate_issue($customcert2->id, $user3->id);
// Call get_users_in_context() again.
provider::get_users_in_context($userlist);
// Check this time there are 2 users.
$this->assertCount(2, $userlist->get_userids());
$this->assertContains($user1->id, $userlist->get_userids());
$this->assertContains($user2->id, $userlist->get_userids());
$this->assertNotContains($user3->id, $userlist->get_userids());
}
/**
* Test for provider::get_users_in_context() with invalid context type.
*/
public function test_get_users_in_context_invalid_context_type() {
$systemcontext = context_system::instance();
$userlist = new \core_privacy\local\request\userlist($systemcontext, 'mod_customcert');
\mod_customcert\privacy\provider::get_users_in_context($userlist);
$this->assertCount(0, $userlist->get_userids());
}
/**
* Test for provider::export_user_data().
*/
public function test_export_for_context() {
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
$customcert = $this->getDataGenerator()->create_module('customcert', array('course' => $course->id));
// Create users who will be issued a certificate.
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$this->create_certificate_issue($customcert->id, $user1->id);
$this->create_certificate_issue($customcert->id, $user1->id);
$this->create_certificate_issue($customcert->id, $user2->id);
// Export all of the data for the context for user 1.
$cmcontext = context_module::instance($customcert->cmid);
$this->export_context_data_for_user($user1->id, $cmcontext, 'mod_customcert');
$writer = \core_privacy\local\request\writer::with_context($cmcontext);
$this->assertTrue($writer->has_any_data());
$data = $writer->get_data();
$this->assertCount(2, $data->issues);
$issues = $data->issues;
foreach ($issues as $issue) {
$this->assertArrayHasKey('code', $issue);
$this->assertArrayHasKey('emailed', $issue);
$this->assertArrayHasKey('timecreated', $issue);
}
}
/**
* Test for provider::delete_data_for_all_users_in_context().
*/
public function test_delete_data_for_all_users_in_context() {
global $DB;
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
$customcert = $this->getDataGenerator()->create_module('customcert', array('course' => $course->id));
$customcert2 = $this->getDataGenerator()->create_module('customcert', array('course' => $course->id));
// Create users who will be issued a certificate.
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$this->create_certificate_issue($customcert->id, $user1->id);
$this->create_certificate_issue($customcert->id, $user2->id);
$this->create_certificate_issue($customcert2->id, $user1->id);
$this->create_certificate_issue($customcert2->id, $user2->id);
// Before deletion, we should have 2 issued certificates for the first certificate.
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert->id]);
$this->assertEquals(2, $count);
// Delete data based on context.
$cmcontext = context_module::instance($customcert->cmid);
provider::delete_data_for_all_users_in_context($cmcontext);
// After deletion, the issued certificates for the activity should have been deleted.
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert->id]);
$this->assertEquals(0, $count);
// We should still have the issues for the second certificate.
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert2->id]);
$this->assertEquals(2, $count);
}
/**
* Test for provider::delete_data_for_user().
*/
public function test_delete_data_for_user() {
global $DB;
$this->resetAfterTest();
$course = $this->getDataGenerator()->create_course();
$customcert = $this->getDataGenerator()->create_module('customcert', array('course' => $course->id));
// Create users who will be issued a certificate.
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$this->create_certificate_issue($customcert->id, $user1->id);
$this->create_certificate_issue($customcert->id, $user2->id);
// Before deletion we should have 2 issued certificates.
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert->id]);
$this->assertEquals(2, $count);
$context = \context_module::instance($customcert->cmid);
$contextlist = new \core_privacy\local\request\approved_contextlist($user1, 'customcert',
[$context->id]);
provider::delete_data_for_user($contextlist);
// After deletion, the issued certificates for the first user should have been deleted.
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert->id, 'userid' => $user1->id]);
$this->assertEquals(0, $count);
// Check the issue for the other user is still there.
$customcertissue = $DB->get_records('customcert_issues');
$this->assertCount(1, $customcertissue);
$lastissue = reset($customcertissue);
$this->assertEquals($user2->id, $lastissue->userid);
}
/**
* Test for provider::delete_data_for_users().
*/
public function test_delete_data_for_users() {
global $DB;
$this->resetAfterTest();
// Create course, customcert and users who will be issued a certificate.
$course = $this->getDataGenerator()->create_course();
$customcert1 = $this->getDataGenerator()->create_module('customcert', array('course' => $course->id));
$customcert2 = $this->getDataGenerator()->create_module('customcert', array('course' => $course->id));
$cm1 = get_coursemodule_from_instance('customcert', $customcert1->id);
$cm2 = get_coursemodule_from_instance('customcert', $customcert2->id);
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$user3 = $this->getDataGenerator()->create_user();
$this->create_certificate_issue($customcert1->id, $user1->id);
$this->create_certificate_issue($customcert1->id, $user2->id);
$this->create_certificate_issue($customcert1->id, $user3->id);
$this->create_certificate_issue($customcert2->id, $user1->id);
$this->create_certificate_issue($customcert2->id, $user2->id);
// Before deletion we should have 3 + 2 issued certificates.
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert1->id]);
$this->assertEquals(3, $count);
$count = $DB->count_records('customcert_issues', ['customcertid' => $customcert2->id]);
$this->assertEquals(2, $count);
$context1 = context_module::instance($cm1->id);
$approveduserlist = new \core_privacy\local\request\approved_userlist($context1, 'customcert',
[$user1->id, $user2->id]);
provider::delete_data_for_users($approveduserlist);
// After deletion, the customcert of the 2 students provided above should have been deleted
// from the activity. So there should only remain 1 certificate which is for $user3.
$customcertissues1 = $DB->get_records('customcert_issues', ['customcertid' => $customcert1->id]);
$this->assertCount(1, $customcertissues1);
$lastissue = reset($customcertissues1);
$this->assertEquals($user3->id, $lastissue->userid);
// Confirm that the certificates issues in the other activity are intact.
$customcertissues1 = $DB->get_records('customcert_issues', ['customcertid' => $customcert2->id]);
$this->assertCount(2, $customcertissues1);
}
/**
* Mimicks the creation of a customcert issue.
*
* There is no API we can use to insert an customcert issue, so we
* will simply insert directly into the database.
*
* @param int $customcertid
* @param int $userid
*/
protected function create_certificate_issue(int $customcertid, int $userid) {
global $DB;
static $i = 1;
$customcertissue = new stdClass();
$customcertissue->customcertid = $customcertid;
$customcertissue->userid = $userid;
$customcertissue->code = \mod_customcert\certificate::generate_code();
$customcertissue->timecreated = time() + $i;
// Insert the record into the database.
$DB->insert_record('customcert_issues', $customcertissue);
$i++;
}
}