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/>.

/**

 * Tests for the sync_members scheduled task class.

 *

 * @package enrol_lti

 * @copyright 2016 Jun Pataleta <jun@moodle.com>

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

 */

namespace enrol_lti;

use enrol_lti\task\sync_members;

use IMSGlobal\LTI\ToolProvider\Context;

use IMSGlobal\LTI\ToolProvider\ResourceLink;

use IMSGlobal\LTI\ToolProvider\ToolConsumer;

use IMSGlobal\LTI\ToolProvider\User;

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

/**

 * Tests for the sync_members scheduled task class.

 *

 * @package enrol_lti

 * @copyright 2016 Jun Pataleta <jun@moodle.com>

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

 */

class sync_members_test extends \advanced_testcase {

    /** @var dummy_sync_members_task $task */

    protected $task;

    /** @var  \stdClass $tool The published tool. */

    protected $tool;

    /** @var User[] $members */

    protected $members;

    /** @var  ToolConsumer $consumer */

    protected $consumer;

    /** @var  Context $context */

    protected $context;

    /** @var  ResourceLink $resourcelink */

    protected $resourcelink;

    public function setUp(): void {

        $this->resetAfterTest();

        // Set this user as the admin.

        $this->setAdminUser();

        $this->task = new dummy_sync_members_task();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $tooldata = [

            'courseid' => $course->id,

            'membersyncmode' => helper::MEMBER_SYNC_ENROL_AND_UNENROL,

            'membersync' => 1,

        ];

        $tool = $generator->create_lti_tool((object)$tooldata);

        $this->tool = helper::get_lti_tool($tool->id);

        $dataconnector = $this->task->get_dataconnector();

        $this->consumer = new ToolConsumer('Consumer1Key', $dataconnector);

        $this->consumer->name = 'Consumer1';

        $this->consumer->secret = 'Consumer1Secret';

        $this->consumer->save();

        $toolprovider = new tool_provider($this->tool->id);

        $toolprovider->consumer = $this->consumer;

        $toolprovider->map_tool_to_consumer();

        $imageurl = $this->getExternalTestFileUrl('test.jpg');

        $count = 10;

        $this->members = [];

        for ($i = 1; $i <= $count; $i++) {

            $user = new User();

            $user->firstname = 'Firstname' . $i;

            $user->lastname = 'Lastname' . $i;

            $user->ltiUserId = 'user' . $i;

            // Set user image values for some users.

            if ($i % 3 == 0) {

                $user->image = $imageurl;

            }

            $this->members[] = $user;

        }

        $this->context = Context::fromConsumer($this->consumer, 'testlticontextid');

        $this->context->save();

        $this->resourcelink = ResourceLink::fromContext($this->context, 'testresourcelinkid');

        $this->resourcelink->save();

    }

    /**

     * Test for sync_members::do_context_membership_request().

     */

    public function test_do_context_membership_request(): void {

        // Suppress output.

        ob_start();

        $members = $this->task->do_context_membership_request($this->context);

        ob_end_clean();

        $this->assertFalse($members);

    }

    /**

     * Test for sync_members::do_resourcelink_membership_request().

     */

    public function test_do_resourcelink_membership_request(): void {

        $members = $this->task->do_resourcelink_membership_request($this->resourcelink);

        $this->assertFalse($members);

    }

    /**

     * Test for sync_members::execute() when auth_lti is disabled.

     */

    public function test_execute_authdisabled(): void {

        ob_start();

        $this->task->execute();

        $output = ob_get_clean();

        $message = 'Skipping task - ' . get_string('pluginnotenabled', 'auth', get_string('pluginname', 'auth_lti'));

        $this->assertStringContainsString($message, $output);

    }

    /**

     * Test for sync_members::execute() when enrol_lti is disabled.

     */

    public function test_execute_enroldisabled(): void {

        // Enable auth_lti.

        $this->enable_auth();

        ob_start();

        $this->task->execute();

        $output = ob_get_clean();

        $message = 'Skipping task - ' . get_string('enrolisdisabled', 'enrol_lti');

        $this->assertStringContainsString($message, $output);

    }

    /**

     * Test for sync_members::execute().

     */

    public function test_execute(): void {

        // Enable auth_lti.

        $this->enable_auth();

        // Enable enrol_lti.

        $this->enable_enrol();

        ob_start();

        $this->task->execute();

        $output = ob_get_clean();

        $membersyncmessage = "Completed - Synced members for tool '{$this->tool->id}' in the course '{$this->tool->courseid}'";

        $this->assertStringContainsString($membersyncmessage, $output);

        $imagesyncmessage = "Completed - Synced 0 profile images.";

        $this->assertStringContainsString($imagesyncmessage, $output);

    }

    /**

     * Test for sync_members::fetch_members_from_consumer() with no resource link nor context associated with the consumer.

     */

    public function test_fetch_members_from_consumer_noresourcelink_nocontext(): void {

        // Suppress output.

        ob_start();

        $members = $this->task->fetch_members_from_consumer($this->consumer);

        ob_end_clean();

        $this->assertFalse($members);

    }

    /**

     * Test for sync_members::get_name().

     */

    public function test_get_name(): void {

        $this->assertEquals(get_string('tasksyncmembers', 'enrol_lti'), $this->task->get_name());

    }

    /**

     * Test for sync_members::should_sync_enrol().

     */

    public function test_should_sync_enrol(): void {

        $this->assertTrue($this->task->should_sync_enrol(helper::MEMBER_SYNC_ENROL_AND_UNENROL));

        $this->assertTrue($this->task->should_sync_enrol(helper::MEMBER_SYNC_ENROL_NEW));

        $this->assertFalse($this->task->should_sync_enrol(helper::MEMBER_SYNC_UNENROL_MISSING));

    }

    /**

     * Test for sync_members::should_sync_unenrol().

     */

    public function test_should_sync_unenrol(): void {

        $this->assertTrue($this->task->should_sync_unenrol(helper::MEMBER_SYNC_ENROL_AND_UNENROL));

        $this->assertFalse($this->task->should_sync_unenrol(helper::MEMBER_SYNC_ENROL_NEW));

        $this->assertTrue($this->task->should_sync_unenrol(helper::MEMBER_SYNC_UNENROL_MISSING));

    }

    /**

     * Test for sync_members::sync_member_information().

     */

    public function test_sync_member_information(): void {

        list($users, $enrolledcount) = $this->task->sync_member_information($this->tool, $this->consumer, $this->members);

        $membercount = count($this->members);

        $this->assertCount(10, $this->members);

        $this->assertCount($membercount, $users);

        $this->assertEquals($membercount, $enrolledcount);

    }

    /**

     * Test for sync_members::sync_profile_images().

     */

    public function test_sync_profile_images(): void {

        $task = $this->task;

        list($users, $enrolledcount) = $task->sync_member_information($this->tool, $this->consumer, $this->members);

        $membercount = count($this->members);

        $this->assertCount(10, $this->members);

        $this->assertCount($membercount, $users);

        $this->assertEquals($membercount, $enrolledcount);

        // Suppress output.

        ob_start();

        $this->assertEquals(3, $task->sync_profile_images());

        ob_end_clean();

    }

    /**

     * Test for sync_members::sync_unenrol().

     */

    public function test_sync_unenrol(): void {

        $tool = $this->tool;

        $task = $this->task;

        list($users) = $task->sync_member_information($tool, $this->consumer, $this->members);

        // Simulate that the fetched list of current users has been reduced by 3.

        $unenrolcount = 3;

        for ($i = 0; $i < $unenrolcount; $i++) {

            array_pop($users);

        }

        $this->assertEquals($unenrolcount, $task->sync_unenrol($tool, 'Consumer1Key', $users));

    }

    /**

     * Enable auth_lti plugin.

     */

    protected function enable_auth() {

        $auths = get_enabled_auth_plugins();

        if (!in_array('lti', $auths)) {

            $auths[] = 'lti';

        }

        set_config('auth', implode(',', $auths));

    }

    /**

     * Enable enrol_lti plugin.

     */

    protected function enable_enrol() {

        $enabled = enrol_get_plugins(true);

        $enabled['lti'] = true;

        $enabled = array_keys($enabled);

        set_config('enrol_plugins_enabled', implode(',', $enabled));

    }

}

/**

 * Class dummy_sync_members_task.

 *

 * A class that extends sync_members so that we can expose the protected methods that we would like to test.

 *

 * @copyright 2016 Jun Pataleta <jun@moodle.com>

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

 */

class dummy_sync_members_task extends sync_members {

    /**

     * Exposes/generates the dataconnector property.

     *

     * @return data_connector

     */

    public function get_dataconnector() {

        if (!$this->dataconnector) {

            $this->dataconnector = new data_connector();

        }

        return $this->dataconnector;

    }

    /**

     * Exposes sync_members::do_context_membership_request()

     *

     * @param Context $context The context object.

     * @param ResourceLink $resourcelink The resource link object.

     * @param string $membershipsurltemplate The memberships endpoint URL template.

     * @return bool|User[] Array of User objects upon successful membership service request. False, otherwise.

     */

    public function do_context_membership_request(Context $context, ResourceLink $resourcelink = null,

                                                  $membershipsurltemplate = '') {

        $members = parent::do_context_membership_request($context, $resourcelink, $membershipsurltemplate);

        return $members;

    }

    /**

     * Exposes sync_members::do_resourcelink_membership_request()

     *

     * @param ResourceLink $resourcelink

     * @return bool|User[]

     */

    public function do_resourcelink_membership_request(ResourceLink $resourcelink) {

        $members = parent::do_resourcelink_membership_request($resourcelink);

        return $members;

    }

    /**

     * Exposes sync_members::fetch_members_from_consumer()

     *

     * @param ToolConsumer $consumer

     * @return bool|User[]

     */

    public function fetch_members_from_consumer(ToolConsumer $consumer) {

        $members = parent::fetch_members_from_consumer($consumer);

        return $members;

    }

    /**

     * Exposes sync_members::should_sync_unenrol()

     *

     * @param int $syncmode The tool's membersyncmode.

     * @return bool

     */

    public function should_sync_unenrol($syncmode) {

        $shouldsync = parent::should_sync_unenrol($syncmode);

        return $shouldsync;

    }

    /**

     * Exposes sync_members::should_sync_enrol()

     *

     * @param int $syncmode The tool's membersyncmode.

     * @return bool

     */

    public function should_sync_enrol($syncmode) {

        $shouldsync = parent::should_sync_enrol($syncmode);

        return $shouldsync;

    }

    /**

     * Exposes sync_members::sync_member_information()

     *

     * @param \stdClass $tool

     * @param ToolConsumer $consumer

     * @param User[] $members

     * @return array

     */

    public function sync_member_information(\stdClass $tool, ToolConsumer $consumer, $members) {

        $result = parent::sync_member_information($tool, $consumer, $members);

        return $result;

    }

    /**

     * Exposes sync_members::sync_profile_images()

     *

     * @return int

     */

    public function sync_profile_images() {

        $count = parent::sync_profile_images();

        return $count;

    }

    /**

     * Exposes sync_members::sync_unenrol()

     *

     * @param \stdClass $tool

     * @param string $consumerkey

     * @param array $currentusers

     * @return int

     */

    public function sync_unenrol(\stdClass $tool, string $consumerkey, array $currentusers) {

        $count = parent::sync_unenrol($tool, $consumerkey, $currentusers);

        return $count;

    }

}