Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

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// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

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//

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

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// 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    enrol_lti

 * @copyright  2018 Mark Nelson <markn@moodle.com>

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

 */

namespace enrol_lti\privacy;

use enrol_lti\privacy\provider;

use stdClass;

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

/**

 * Privacy provider tests class.

 *

 * @package    enrol_lti

 * @copyright  2018 Mark Nelson <markn@moodle.com>

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

 */

class provider_test extends \core_privacy\tests\provider_testcase {

    /**

     * @var stdClass The user

     */

    protected $user = null;

    /**

     * @var stdClass Another user

     */

    protected $anotheruser = null;

    /**

     * @var stdClass The course

     */

    protected $course = null;

    /**

     * @var stdClass The activity

     */

    protected $activity = null;

    /**

     * Basic setup for these tests.

     */

    public function setUp(): void {

        $this->resetAfterTest();

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

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

        $this->activity = $this->getDataGenerator()->create_module('forum', ['course' => $this->course->id]);

        // Get the course and activity contexts.

        $coursecontext = \context_course::instance($this->course->id);

        $cmcontext = \context_module::instance($this->activity->cmid);

        // Create LTI tools in different contexts.

        $this->create_lti_users($coursecontext, $this->user->id);

        $this->create_lti_users($coursecontext, $this->user->id);

        $this->create_lti_users($cmcontext, $this->user->id);

        // Create another LTI user.

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

        $this->create_lti_users($coursecontext, $this->anotheruser->id);

    }

    /**

     * Test getting the context for the user ID related to this plugin.

     */

    public function test_get_contexts_for_userid() {

        $contextlist = provider::get_contexts_for_userid($this->user->id);

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

        $coursectx = \context_course::instance($this->course->id);

        $activityctx = \context_module::instance($this->activity->cmid);

        $expectedids = [$coursectx->id, $activityctx->id];

        $actualids = $contextlist->get_contextids();

        $this->assertEqualsCanonicalizing($expectedids, $actualids);

    }

    /**

     * Test for provider::export_user_data().

     */

    public function test_export_for_context() {

        $coursecontext = \context_course::instance($this->course->id);

        $cmcontext = \context_module::instance($this->activity->cmid);

        // Export all of the data for the course context.

        $this->export_context_data_for_user($this->user->id, $coursecontext, 'enrol_lti');

        $writer = \core_privacy\local\request\writer::with_context($coursecontext);

        $this->assertTrue($writer->has_any_data());

        $data = (array) $writer->get_data(['enrol_lti_users']);

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

        foreach ($data as $ltiuser) {

            $this->assertArrayHasKey('lastgrade', $ltiuser);

            $this->assertArrayHasKey('timecreated', $ltiuser);

            $this->assertArrayHasKey('timemodified', $ltiuser);

        }

        // Export all of the data for the activity context.

        $this->export_context_data_for_user($this->user->id, $cmcontext, 'enrol_lti');

        $writer = \core_privacy\local\request\writer::with_context($cmcontext);

        $this->assertTrue($writer->has_any_data());

        $data = (array) $writer->get_data(['enrol_lti_users']);

        $this->assertCount(1, $data);

        foreach ($data as $ltiuser) {

            $this->assertArrayHasKey('lastgrade', $ltiuser);

            $this->assertArrayHasKey('timecreated', $ltiuser);

            $this->assertArrayHasKey('timemodified', $ltiuser);

        }

    }

    /**

     * Test for provider::delete_data_for_all_users_in_context().

     */

    public function test_delete_data_for_all_users_in_context() {

        global $DB;

        $count = $DB->count_records('enrol_lti_users');

        $this->assertEquals(4, $count);

        // Delete data based on context.

        $coursecontext = \context_course::instance($this->course->id);

        provider::delete_data_for_all_users_in_context($coursecontext);

        $ltiusers = $DB->get_records('enrol_lti_users');

        $this->assertCount(1, $ltiusers);

        $ltiuser = reset($ltiusers);

        $this->assertEquals($ltiuser->userid, $this->user->id);

    }

    /**

     * Test for provider::delete_data_for_user().

     */

    public function test_delete_data_for_user() {

        global $DB;

        $cmcontext = \context_module::instance($this->activity->cmid);

        $coursecontext = \context_course::instance($this->course->id);

        $count = $DB->count_records('enrol_lti_users');

        $this->assertEquals(4, $count);

        $contextlist = new \core_privacy\local\request\approved_contextlist($this->user, 'enrol_lti',

            [\context_system::instance()->id, $coursecontext->id, $cmcontext->id]);

        provider::delete_data_for_user($contextlist);

        $ltiusers = $DB->get_records('enrol_lti_users');

        $this->assertCount(1, $ltiusers);

        $ltiuser = reset($ltiusers);

        $this->assertNotEquals($ltiuser->userid, $this->user->id);

    }

    /**

     * Creates a LTI user given the provided context

     *

     * @param \context $context

     * @param int $userid

     */

    private function create_lti_users(\context $context, int $userid) {

        global $DB;

        // Create a tool.

        $ltitool = (object) [

            'enrolid' => 5,

            'contextid' => $context->id,

            'roleinstructor' => 5,

            'rolelearner' => 5,

            'timecreated' => time(),

            'timemodified' => time() + DAYSECS

        ];

        $toolid = $DB->insert_record('enrol_lti_tools', $ltitool);

        // Create a user.

        $ltiuser = (object) [

            'userid' => $userid,

            'toolid' => $toolid,

            'lastgrade' => 50,

            'lastaccess' => time() + DAYSECS,

            'timecreated' => time()

        ];

        $DB->insert_record('enrol_lti_users', $ltiuser);

    }

    /**

     * Test for provider::get_users_in_context() when the context is a course.

     */

    public function test_get_users_in_context_course() {

        $coursecontext = \context_course::instance($this->course->id);

        $userlist = new \core_privacy\local\request\userlist($coursecontext, 'enrol_paypal');

        provider::get_users_in_context($userlist);

        $this->assertEqualsCanonicalizing(

                [$this->user->id, $this->anotheruser->id],

                $userlist->get_userids());

    }

    /**

     * Test for provider::get_users_in_context() when the context is an activity.

     */

    public function test_get_users_in_context_activity() {

        $activityctx = \context_module::instance($this->activity->cmid);

        $userlist = new \core_privacy\local\request\userlist($activityctx, 'enrol_paypal');

        provider::get_users_in_context($userlist);

        $this->assertEquals(

                [$this->user->id],

                $userlist->get_userids());

    }

    /**

     * Test for provider::delete_data_for_users() when the context is a course.

     */

    public function test_delete_data_for_users_course() {

        global $DB;

        $coursecontext = \context_course::instance($this->course->id);

        $count = $DB->count_records('enrol_lti_users');

        $this->assertEquals(4, $count);

        $approveduserlist = new \core_privacy\local\request\approved_userlist($coursecontext, 'enrol_paypal',

                [$this->user->id]);

        provider::delete_data_for_users($approveduserlist);

        $ltiusers = $DB->get_records('enrol_lti_users');

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

        foreach ($ltiusers as $ltiuser) {

            $leftover = false;

            if ($ltiuser->userid == $this->user->id) {

                $contextid = $DB->get_field('enrol_lti_tools', 'contextid', ['id' => $ltiuser->toolid]);

                if ($contextid == $coursecontext->id) {

                    $leftover = true;

                }

            }

        }

        $this->assertFalse($leftover);

    }

    /**

     * Test for provider::delete_data_for_users() when the context is an activity.

     */

    public function test_delete_data_for_users_activity() {

        global $DB;

        $cmcontext = \context_module::instance($this->activity->cmid);

        $count = $DB->count_records('enrol_lti_users');

        $this->assertEquals(4, $count);

        $approveduserlist = new \core_privacy\local\request\approved_userlist($cmcontext, 'enrol_paypal',

                [$this->user->id]);

        provider::delete_data_for_users($approveduserlist);

        $ltiusers = $DB->get_records('enrol_lti_users');

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

        foreach ($ltiusers as $ltiuser) {

            $leftover = false;

            if ($ltiuser->userid == $this->user->id) {

                $contextid = $DB->get_field('enrol_lti_tools', 'contextid', ['id' => $ltiuser->toolid]);

                if ($contextid == $cmcontext->id) {

                    $leftover = true;

                }

            }

        }

        $this->assertFalse($leftover);

    }

}