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Code Editor : modinfolib_test.php

<?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/>.

/**
 * Unit tests for lib/modinfolib.php.
 *
 * @package    core
 * @category   phpunit
 * @copyright  2012 Andrew Davis
 */

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

global $CFG;
require_once($CFG->libdir . '/modinfolib.php');
require_once($CFG->libdir . '/conditionlib.php');

/**
 * Unit tests for modinfolib.php
 *
 * @copyright 2012 Andrew Davis
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class modinfolib_testcase extends advanced_testcase {

/**
     * Test is_user_access_restricted_by_group()
     *
     * The underlying groups system is more thoroughly tested in lib/tests/grouplib_test.php
     */
    public function test_is_user_access_restricted_by_group() {
        global $DB, $CFG, $USER;

$this->resetAfterTest(true);

// Create a course
        $course = $this->getDataGenerator()->create_course();
        $coursecontext = context_course::instance($course->id);

// Create a mod_assign instance
        $assign = $this->getDataGenerator()->create_module('assign', array('course'=>$course->id));
        $cm_info = get_fast_modinfo($course)->instances['assign'][$assign->id];

// Create and enrol a student
        // Enrolment is necessary for groups to work
        $studentrole = $DB->get_record('role', array('shortname'=>'student'), '*', MUST_EXIST);
        $student = $this->getDataGenerator()->create_user();
        role_assign($studentrole->id, $student->id, $coursecontext);
        $enrolplugin = enrol_get_plugin('manual');
        $enrolplugin->add_instance($course);
        $enrolinstances = enrol_get_instances($course->id, false);
        foreach ($enrolinstances as $enrolinstance) {
            if ($enrolinstance->enrol === 'manual') {
                break;
            }
        }
        $enrolplugin->enrol_user($enrolinstance, $student->id);

// Switch to a student and reload the context info
        $this->setUser($student);
        $cm_info = $this->refresh_cm_info($course, $assign);

// Create up a teacher
        $teacherrole = $DB->get_record('role', array('shortname'=>'editingteacher'), '*', MUST_EXIST);
        $teacher = $this->getDataGenerator()->create_user();
        role_assign($teacherrole->id, $teacher->id, $coursecontext);

// Create 2 groupings
        $grouping1 = $this->getDataGenerator()->create_grouping(array('courseid' => $course->id, 'name' => 'grouping1'));
        $grouping2 = $this->getDataGenerator()->create_grouping(array('courseid' => $course->id, 'name' => 'grouping2'));

// Create 2 groups and put them in the groupings
        $group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id, 'idnumber' => 'group1'));
        groups_assign_grouping($grouping1->id, $group1->id);
        $group2 = $this->getDataGenerator()->create_group(array('courseid' => $course->id, 'idnumber' => 'group2'));
        groups_assign_grouping($grouping2->id, $group2->id);

// If groups are disabled, the activity isn't restricted.
        $CFG->enablegroupmembersonly = false;
        $this->assertFalse($cm_info->is_user_access_restricted_by_group());

// If groups are on but "group members only" is off, the activity isn't restricted.
        $CFG->enablegroupmembersonly = true;
        $cm_info->groupmembersonly = NOGROUPS;
        $this->assertFalse($cm_info->is_user_access_restricted_by_group());

// If "group members only" is on but user is in the wrong group, the activity is restricted.
        $cm_info->groupmembersonly = SEPARATEGROUPS;
        $cm_info->groupingid = $grouping1->id;
        $this->assertTrue(groups_add_member($group2, $USER));
        $this->assertTrue($cm_info->is_user_access_restricted_by_group());

// If the user is in the required group, the activity isn't restricted.
        groups_remove_member($group2, $USER);
        $this->assertTrue(groups_add_member($group1, $USER));
        $cm_info = $this->refresh_cm_info($course, $assign);
        $this->assertFalse($cm_info->is_user_access_restricted_by_group());

// Switch to a teacher and reload the context info
        $this->setUser($teacher);
        $cm_info = $this->refresh_cm_info($course, $assign);

// If the user isn't in the required group but has 'moodle/site:accessallgroups', the activity isn't restricted.
        $this->assertTrue(has_capability('moodle/site:accessallgroups', $coursecontext));
        $this->assertFalse($cm_info->is_user_access_restricted_by_group());
    }

/**
     * Test is_user_access_restricted_by_conditional_access()
     *
     * The underlying conditional access system is more thoroughly tested in lib/tests/conditionlib_test.php
     */
    public function test_is_user_access_restricted_by_conditional_access() {
        global $DB, $CFG;

$this->resetAfterTest(true);

// Create a course and a mod_assign instance
        $course = $this->getDataGenerator()->create_course();
        $assign = $this->getDataGenerator()->create_module('assign', array('course'=>$course->id));
        $cm_info = get_fast_modinfo($course)->instances['assign'][$assign->id];

// Set up a teacher
        $coursecontext = context_course::instance($course->id);
        $teacherrole = $DB->get_record('role', array('shortname'=>'editingteacher'), '*', MUST_EXIST);
        $teacher = $this->getDataGenerator()->create_user();
        role_assign($teacherrole->id, $teacher->id, $coursecontext);

// Mark the activity as unavailable (due to unmet conditions)
        // Testing of the code that normally turns this flag on and off is done in conditionlib_test.php
        $cm_info->available = false;
        // Set the activity to be hidden entirely if it is unavailable to the user
        $cm_info->showavailability = CONDITION_STUDENTVIEW_HIDE;

// If conditional availability is disabled the activity will always be unrestricted
        $CFG->enableavailability = false;
        $this->assertFalse($cm_info->is_user_access_restricted_by_conditional_access());

// Turn on conditional availability
        $CFG->enableavailability = true;

// The unavailable, hidden entirely activity should now be restricted
        $this->assertTrue($cm_info->is_user_access_restricted_by_conditional_access());

// If the activity is available it should not be restricted
        $cm_info->available = true;
        $this->assertFalse($cm_info->is_user_access_restricted_by_conditional_access());

// If the activity is unavailable and set to be greyed out it should not be restricted
        $cm_info->available = false;
        $cm_info->showavailability = CONDITION_STUDENTVIEW_SHOW;
        $this->assertFalse($cm_info->is_user_access_restricted_by_conditional_access());

// If the activity is unavailable and set to be hidden entirely its restricted unless user has 'moodle/course:viewhiddenactivities'
        $cm_info->available = false;
        $cm_info->showavailability = CONDITION_STUDENTVIEW_HIDE;

// Switch to a teacher and reload the context info
        $this->setUser($teacher);
        $cm_info = $this->refresh_cm_info($course, $assign);

$this->assertTrue(has_capability('moodle/course:viewhiddenactivities', $coursecontext));
        $this->assertFalse($cm_info->is_user_access_restricted_by_conditional_access());
    }

private function refresh_cm_info($course, $assign) {
        get_fast_modinfo(0, 0, true);
        return get_fast_modinfo($course)->instances['assign'][$assign->id];
    }
}

${this.title}

Code Editor : modinfolib_test.php