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 core_course;

use core_courseformat\formatactions;

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

global $CFG;

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

require_once($CFG->dirroot . '/course/modlib.php');

/**

 * Module lib related unit tests

 *

 * @package    core_course

 * @category   test

 * @copyright  2016 Juan Leyva

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

 */

class modlib_test extends \advanced_testcase {

    /**

     * Test prepare_new_moduleinfo_data

     */

    public function test_prepare_new_moduleinfo_data(): void {

        global $DB;

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $course = self::getDataGenerator()->create_course();

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

        // Test with a complex module, like assign.

        $assignmodule = $DB->get_record('modules', array('name' => 'assign'), '*', MUST_EXIST);

        $sectionnumber = 1;

        list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $assignmodule->name, $sectionnumber);

        $this->assertEquals($assignmodule, $module);

        $this->assertEquals($coursecontext, $context);

        $this->assertNull($cm); // Not cm yet.

        $expecteddata = new \stdClass();

        $expecteddata->section          = $sectionnumber;

        $expecteddata->visible          = 1;

        $expecteddata->course           = $course->id;

        $expecteddata->module           = $module->id;

        $expecteddata->modulename       = $module->name;

        $expecteddata->groupmode        = $course->groupmode;

        $expecteddata->groupingid       = $course->defaultgroupingid;

        $expecteddata->id               = '';

        $expecteddata->instance         = '';

        $expecteddata->coursemodule     = '';

        $expecteddata->advancedgradingmethod_submissions = ''; // Not grading methods enabled by default.

        $expecteddata->completion       = 0;

        $expecteddata->downloadcontent  = DOWNLOAD_COURSE_CONTENT_ENABLED;

        // Unset untestable.

        unset($data->introeditor);

        unset($data->_advancedgradingdata);

        $this->assertEquals($expecteddata, $data);

        // Create a viewer user. Not able to edit.

        $viewer = self::getDataGenerator()->create_user();

        $this->getDataGenerator()->enrol_user($viewer->id, $course->id);

        $this->setUser($viewer);

        $this->expectException('required_capability_exception');

        prepare_new_moduleinfo_data($course, $assignmodule->name, $sectionnumber);

    }

    /**

     * Test prepare_new_moduleinfo_data with suffix (which is currently only used by the completion rules).

     * @covers ::prepare_new_moduleinfo_data

     */

    public function test_prepare_new_moduleinfo_data_with_suffix(): void {

        global $DB;

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $course = self::getDataGenerator()->create_course();

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

        // Test with a complex module, like assign.

        $assignmodule = $DB->get_record('modules', ['name' => 'assign'], '*', MUST_EXIST);

        $sectionnumber = 1;

        $suffix = 'mysuffix';

        [$module, $context, $cw, $cm, $data] = prepare_new_moduleinfo_data($course, $assignmodule->name, $sectionnumber, $suffix);

        $this->assertEquals($assignmodule, $module);

        $this->assertEquals($coursecontext, $context);

        $this->assertNull($cm); // Not cm yet.

        $expecteddata = new \stdClass();

        $expecteddata->section          = $sectionnumber;

        $expecteddata->visible          = 1;

        $expecteddata->course           = $course->id;

        $expecteddata->module           = $module->id;

        $expecteddata->modulename       = $module->name;

        $expecteddata->groupmode        = $course->groupmode;

        $expecteddata->groupingid       = $course->defaultgroupingid;

        $expecteddata->id               = '';

        $expecteddata->instance         = '';

        $expecteddata->coursemodule     = '';

        $expecteddata->advancedgradingmethod_submissions = ''; // Not grading methods enabled by default.

        $expecteddata->{'completion' . $suffix} = 0;

        $expecteddata->downloadcontent  = DOWNLOAD_COURSE_CONTENT_ENABLED;

        // Unset untestable.

        unset($data->introeditor);

        unset($data->_advancedgradingdata);

        $this->assertEquals($expecteddata, $data);

        $this->assertFalse(property_exists($data, 'completion'));

    }

    /**

     * Test get_moduleinfo_data

     */

    public function test_get_moduleinfo_data(): void {

        global $DB;

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $course = self::getDataGenerator()->create_course();

        $assignmodule = $DB->get_record('modules', array('name' => 'assign'), '*', MUST_EXIST);

        $assign = self::getDataGenerator()->create_module('assign', array('course' => $course->id));

        $assigncm = get_coursemodule_from_id('assign', $assign->cmid);

        $assigncontext = \context_module::instance($assign->cmid);

        list($cm, $context, $module, $data, $cw) = get_moduleinfo_data($assigncm, $course);

        $this->assertEquals($assigncm, $cm);

        $this->assertEquals($assigncontext, $context);

        $this->assertEquals($assignmodule, $module);

        // Prepare expected data.

        $expecteddata = clone $assign;

        $expecteddata->coursemodule       = $assigncm->id;

        $expecteddata->section            = $cw->section;

        $expecteddata->visible            = $assigncm->visible;

        $expecteddata->visibleoncoursepage = $assigncm->visibleoncoursepage;

        $expecteddata->cmidnumber         = $assigncm->idnumber;

        $expecteddata->groupmode          = groups_get_activity_groupmode($cm);

        $expecteddata->groupingid         = $assigncm->groupingid;

        $expecteddata->course             = $course->id;

        $expecteddata->module             = $module->id;

        $expecteddata->modulename         = $module->name;

        $expecteddata->instance           = $assigncm->instance;

        $expecteddata->completion         = $assigncm->completion;

        $expecteddata->completionview     = $assigncm->completionview;

        $expecteddata->completionexpected = $assigncm->completionexpected;

        $expecteddata->completionusegrade = is_null($assigncm->completiongradeitemnumber) ? 0 : 1;

        $expecteddata->completionpassgrade = $assigncm->completionpassgrade;

        $expecteddata->completiongradeitemnumber = null;

        $expecteddata->showdescription    = $assigncm->showdescription;

        $expecteddata->downloadcontent    = $assigncm->downloadcontent;

        $expecteddata->tags               = \core_tag_tag::get_item_tags_array('core', 'course_modules', $assigncm->id);

        $expecteddata->lang               = null;

        $expecteddata->availabilityconditionsjson = null;

        $expecteddata->advancedgradingmethod_submissions = null;

        if ($items = \grade_item::fetch_all(array('itemtype' => 'mod', 'itemmodule' => 'assign',

                                                    'iteminstance' => $assign->id, 'courseid' => $course->id))) {

            // set category if present

            $gradecat = false;

            foreach ($items as $item) {

                if ($gradecat === false) {

                    $gradecat = $item->categoryid;

                    continue;

                }

                if ($gradecat != $item->categoryid) {

                    //mixed categories

                    $gradecat = false;

                    break;

                }

            }

            if ($gradecat !== false) {

                // do not set if mixed categories present

                $expecteddata->gradecat = $gradecat;

            }

        }

        $expecteddata->gradepass = '0.00';

        $expecteddata->completionpassgrade = $assigncm->completionpassgrade;

        // Unset untestable.

        unset($expecteddata->cmid);

        unset($data->introeditor);

        unset($data->_advancedgradingdata);

        $this->assertEquals($expecteddata, $data);

        // Create a viewer user. Not able to edit.

        $viewer = self::getDataGenerator()->create_user();

        $this->getDataGenerator()->enrol_user($viewer->id, $course->id);

        $this->setUser($viewer);

        $this->expectException('required_capability_exception');

        get_moduleinfo_data($assigncm, $course);

    }

    /**

     * Test add_moduleinfo (only beforemod parameter for now).

     *

     * @covers \add_moduleinfo

     */

    public function test_add_moduleinfo(): void {

        global $DB;

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $course = self::getDataGenerator()->create_course();

        $labelmodule = $DB->get_record('modules', ['name' => 'label'], '*', MUST_EXIST);

        $sectionnumber = 1;

        $modules = [];

        $moduleinfo = [];

        for ($i = 0; $i < 4; $i++) {

            $modules[$i] = self::getDataGenerator()->create_module('label', ['course' => $course->id, 'section' => $sectionnumber]);

            $modulescm[$i] = get_coursemodule_from_id('label', $modules[$i]->cmid);

        }

        $modules[4] = self::getDataGenerator()->create_module('label', ['course' => $course->id, 'section' => $sectionnumber + 1]);

        $modulescm[4] = get_coursemodule_from_id('label', $modules[4]->cmid);

        // The beforemod attribute is not set, should be null afterwards.

        list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $labelmodule->name, $sectionnumber);

        $moduleinfo[0] = add_moduleinfo($data, $course);

        $this->assertEquals(null, $moduleinfo[0]->beforemod);

        // Insert before the first module.

        list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $labelmodule->name, $sectionnumber);

        $data->beforemod = $modulescm[0]->id;

        $moduleinfo[1] = add_moduleinfo($data, $course);

        $this->assertEquals($modulescm[0]->id, $moduleinfo[1]->beforemod);

        // Insert between the two last modules.

        list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $labelmodule->name, $sectionnumber);

        $data->beforemod = $modulescm[3]->id;

        $moduleinfo[2] = add_moduleinfo($data, $course);

        $this->assertEquals($modulescm[3]->id, $moduleinfo[2]->beforemod);

        // Insert before a not existing module.

        course_delete_module($modulescm[2]->id);

        list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $labelmodule->name, $sectionnumber);

        $data->beforemod = $modulescm[2]->id;

        $moduleinfo[3] = add_moduleinfo($data, $course);

        $this->assertEquals($modulescm[2]->id, $moduleinfo[3]->beforemod);

        // Insert before a module that is in another section.

        list($module, $context, $cw, $cm, $data) = prepare_new_moduleinfo_data($course, $labelmodule->name, $sectionnumber);

        $data->beforemod = $modulescm[4]->id;

        $moduleinfo[4] = add_moduleinfo($data, $course);

        $this->assertEquals($modulescm[4]->id, $moduleinfo[4]->beforemod);

        $modinfo = get_fast_modinfo($course);

        $expectedorder = [

            $moduleinfo[1]->coursemodule,

            $modulescm[0]->id,

            $modulescm[1]->id,

            $moduleinfo[2]->coursemodule,

            $modulescm[3]->id,

            $moduleinfo[0]->coursemodule,

            $moduleinfo[3]->coursemodule,

            $moduleinfo[4]->coursemodule,

        ];

        $this->assertEquals($expectedorder, $modinfo->get_sections()[$sectionnumber]);

    }

    /**

     * Test for can_add_moduleinfo on a non-existing module.

     *

     * @covers \can_add_moduleinfo

     */

    public function test_can_add_moduleinfo_invalid_module(): void {

        global $DB;

        $this->resetAfterTest(true);

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

            ['numsections' => 2, 'enablecompletion' => 1],

            ['createsections' => true]

        );

        $modinfo = get_fast_modinfo($course);

        $section = $modinfo->get_section_info(2);

        $this->setAdminUser();

        $this->expectException(\dml_missing_record_exception::class);

        can_add_moduleinfo($course, 'non-existent-module!', $section->section);

    }

    /**

     * Test for can_add_moduleinfo when the user does not have addinstance capability.

     *

     * @covers \can_add_moduleinfo

     */

    public function test_can_add_moduleinfo_deny_add_instance(): void {

        global $DB;

        $this->resetAfterTest(true);

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

            ['numsections' => 2, 'enablecompletion' => 1],

            ['createsections' => true]

        );

        $modinfo = get_fast_modinfo($course);

        $section = $modinfo->get_section_info(2);

        // The can_add_moduleinfo uses course_allowed_module to check if the module is allowed in the course.

        // This method uses capabilities like the specific module addinstance capability.

        $teacherrole = $DB->get_record('role', ['shortname' => 'editingteacher'], '*', MUST_EXIST);

        role_change_permission(

            $teacherrole->id,

            \context_course::instance($course->id),

            'mod/label:addinstance',

            CAP_PROHIBIT

        );

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, 'editingteacher');

        $this->setUser($user);

        $this->expectException(\moodle_exception::class);

        can_add_moduleinfo($course, 'label', $section->section);

    }

    /**

     * Test for can_add_moduleinfo.

     *

     * @dataProvider provider_can_add_moduleinfo

     * @covers \can_add_moduleinfo

     * @param string $rolename

     * @param bool $hascapability

     */

    public function test_can_add_moduleinfo_capability(string $rolename, bool $hascapability): void {

        global $DB;

        $this->resetAfterTest(true);

        $module = $DB->get_record('modules', ['name' => 'label'], '*', MUST_EXIST);

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

            ['numsections' => 2, 'enablecompletion' => 1],

            ['createsections' => true]

        );

        $modinfo = get_fast_modinfo($course);

        $section = $modinfo->get_section_info(2);

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $rolename);

        $this->setUser($user);

        if (!$hascapability) {

            $this->expectException(\required_capability_exception::class);

        }

        $result = can_add_moduleinfo($course, 'label', $section->section);

        $this->assertEquals($module, $result[0]);

        $this->assertEquals(

            \context_course::instance($course->id),

            $result[1]

        );

        $this->assertEquals($section->id, $result[2]->id);

    }

    /**

     * Test for can_add_moduleinfo returns true on a delegate section.

     *

     * @dataProvider provider_can_add_moduleinfo

     * @covers \can_add_moduleinfo

     * @param string $rolename

     * @param bool $hascapability

     */

    public function test_can_add_moduleinfo_delegate_section(string $rolename, bool $hascapability): void {

        global $DB;

        $this->resetAfterTest(true);

        $module = $DB->get_record('modules', ['name' => 'label'], '*', MUST_EXIST);

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

            ['numsections' => 2, 'enablecompletion' => 1],

            ['createsections' => true]

        );

        $section = formatactions::section($course)->create_delegated('mod_label', 0);

        $modinfo = get_fast_modinfo($course);

        $this->assertCount(4, $modinfo->get_section_info_all());

        $this->assertCount(3, $modinfo->get_listed_section_info_all());

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $rolename);

        $this->setUser($user);

        if (!$hascapability) {

            $this->expectException(\required_capability_exception::class);

        }

        $result = can_add_moduleinfo($course, 'label', $section->section);

        $this->assertEquals($module, $result[0]);

        $this->assertEquals(

            \context_course::instance($course->id),

            $result[1]

        );

        $this->assertEquals($section->id, $result[2]->id);

        // Validate no section has been created.

        $modinfo = get_fast_modinfo($course);

        $this->assertCount(4, $modinfo->get_section_info_all());

        $this->assertCount(3, $modinfo->get_listed_section_info_all());

        $this->assertEquals(

            $section->section,

            $modinfo->get_section_info_by_id($section->id)->section

        );

    }

    /**

     * Data provider for test_can_add_moduleinfo.

     * @return array

     */

    public static function provider_can_add_moduleinfo(): array {

        return [

            'Editing teacher' => [

                'rolename' => 'editingteacher',

                'hascapability' => true,

            ],

            'Manager' => [

                'rolename' => 'manager',

                'hascapability' => true,

            ],

            'Course creator' => [

                'rolename' => 'coursecreator',

                'hascapability' => false,

            ],

            'Non-editing teacher' => [

                'rolename' => 'teacher',

                'hascapability' => false,

            ],

            'Student' => [

                'rolename' => 'student',

                'hascapability' => false,

            ],

            'Guest' => [

                'rolename' => 'guest',

                'hascapability' => false,

            ],

        ];

    }

}