/**
* @package block
* @subpackage demostudent
* @author Dominik Royko royko@ualberta.ca
*/
function xmldb_block_demostudent_install()
{
global $DB;
$result = true;
$systemcontext = context_system::instance();
// Create DemoStudent role.
$contextlevels = array(CONTEXT_COURSE, CONTEXT_MODULE);
if (!($demostudentrole = $DB->get_record('role', array('shortname' => 'demostudent')))) {
if ($roleid = create_role(get_string('roledemostudentname', 'block_demostudent'), 'demostudent', get_string('roledemostudentdescription', 'block_demostudent'), 'student')) {
$newrole = new stdClass();
$newrole->id = $roleid;
// Set the capabilities to the archetype (student).
// Caution: new capabilities un/set here can get clobbered by 'clonepermissionsfrom',
// defined in access.php.
reset_role_capabilities($roleid);
// DemoStudent needs to see the DemoStudent block.
$result = $result && assign_capability('block/demostudent:seedemostudentblock', CAP_ALLOW, $newrole->id, $systemcontext->id);
// DemoStudent should be able to see hidden courses to facilitate testing.
$result = $result && assign_capability('moodle/course:viewhiddencourses', CAP_ALLOW, $newrole->id, $systemcontext->id);
// DemoStudent should NOT be able to add more demostudents!
$result = $result && unassign_capability('block/demostudent:addinstance', $newrole->id);
$systemcontext->mark_dirty();
set_role_contextlevels($newrole->id, $contextlevels);
} else {
$result = false;
}
}
return $result;
}
/**
* Called from cron and update_instance. Not called from add_instance as the contexts are not set up yet.
*/
function qcreate_student_q_access_sync($qcreate, $cmcontext = null, $course = null, $forcesync = false)
{
//check if a check is needed
$timenow = time();
$activityopen = ($qcreate->timeopen == 0 || $qcreate->timeopen < $timenow) && ($qcreate->timeclose == 0 || $qcreate->timeclose > $timenow);
$activitywasopen = ($qcreate->timeopen == 0 || $qcreate->timeopen < $qcreate->timesync) && ($qcreate->timeclose == 0 || $qcreate->timeclose > $qcreate->timesync);
$needsync = empty($qcreate->timesync) || $activitywasopen != $activityopen;
if ($forcesync || $needsync) {
if ($cmcontext == null) {
$cm = get_coursemodule_from_instance('qcreate', $qcreate->id);
$cmcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
}
if ($course == null) {
$course = get_record('course', 'id', $qcreate->course);
}
$studentrole = get_default_course_role($course);
if ($activityopen) {
$capabilitiestoassign = array(0 => array('moodle/question:add' => 1, 'moodle/question:usemine' => -1, 'moodle/question:viewmine' => -1, 'moodle/question:editmine' => -1), 1 => array('moodle/question:add' => 1, 'moodle/question:usemine' => 1, 'moodle/question:viewmine' => -1, 'moodle/question:editmine' => -1), 2 => array('moodle/question:add' => 1, 'moodle/question:usemine' => 1, 'moodle/question:viewmine' => 1, 'moodle/question:editmine' => -1), 3 => array('moodle/question:add' => 1, 'moodle/question:usemine' => 1, 'moodle/question:viewmine' => 1, 'moodle/question:editmine' => 1));
foreach ($capabilitiestoassign[$qcreate->studentqaccess] as $capability => $permission) {
assign_capability($capability, $permission, $studentrole->id, $cmcontext->id, true);
}
} else {
$capabilitiestounassign = array('moodle/question:add', 'moodle/question:usemine', 'moodle/question:viewmine', 'moodle/question:editmine');
foreach ($capabilitiestounassign as $capability) {
unassign_capability($capability, $studentrole->id, $cmcontext->id);
}
}
set_field('qcreate', 'timesync', $timenow, 'id', $qcreate->id);
}
}
/**
* Unassign a capability to $USER
*
* @param string $capability capability name
* @param int $contextid
* @param int $roleid
*/
public static function unassignUserCapability($capability, $contextid, $roleid) {
global $USER;
unassign_capability($capability, $roleid, $contextid);
accesslib_clear_all_caches_for_unit_testing();
}
/**
* Unassign a capability to $USER.
*
* @param string $capability capability name.
* @param int $contextid set the context id if you used assignUserCapability.
* @param int $roleid set the role id if you used assignUserCapability.
* @param int $courseid set the course id if you used getDataGenerator->enrol_users.
* @param string $enrol set the enrol plugin name if you used getDataGenerator->enrol_users with a different plugin than 'manual'.
*/
public static function unassignUserCapability($capability, $contextid = null, $roleid = null, $courseid = null, $enrol = 'manual')
{
global $DB;
if (!empty($courseid)) {
// Retrieve the role id.
$instances = $DB->get_records('enrol', array('courseid' => $courseid, 'enrol' => $enrol));
if (count($instances) != 1) {
throw new coding_exception('No found enrol instance for courseid: ' . $courseid . ' and enrol: ' . $enrol);
}
$instance = reset($instances);
if (is_null($roleid) and $instance->roleid) {
$roleid = $instance->roleid;
}
} else {
if (empty($contextid) or empty($roleid)) {
throw new coding_exception('unassignUserCapaibility requires contextid/roleid or courseid');
}
}
unassign_capability($capability, $roleid, $contextid);
accesslib_clear_all_caches_for_unit_testing();
}
public function setUp()
{
global $DB;
$this->resetAfterTest();
$this->course = self::getDataGenerator()->create_course();
$this->student1 = $this->getDataGenerator()->create_user();
$this->student2 = $this->getDataGenerator()->create_user();
$this->teacher1 = $this->getDataGenerator()->create_user();
$this->teacher2 = $this->getDataGenerator()->create_user();
$this->teacher3 = $this->getDataGenerator()->create_user();
$this->studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->teacherrole = $DB->get_record('role', array('shortname' => 'teacher'));
unassign_capability('moodle/site:accessallgroups', $this->teacherrole->id);
$this->getDataGenerator()->enrol_user($this->student1->id, $this->course->id, $this->studentrole->id);
$this->getDataGenerator()->enrol_user($this->student2->id, $this->course->id, $this->studentrole->id);
$this->getDataGenerator()->enrol_user($this->teacher1->id, $this->course->id, $this->teacherrole->id);
$this->getDataGenerator()->enrol_user($this->teacher2->id, $this->course->id, $this->teacherrole->id);
$this->getDataGenerator()->enrol_user($this->teacher3->id, $this->course->id, $this->teacherrole->id);
// Create the forum.
$record = new stdClass();
$record->introformat = FORMAT_HTML;
$record->course = $this->course->id;
// Set Aggregate type = Average of ratings.
$record->assessed = RATING_AGGREGATE_AVERAGE;
$record->scale = 100;
$this->forum = self::getDataGenerator()->create_module('forum', $record);
$this->contextid = context_module::instance($this->forum->cmid)->id;
// Add discussion to the forums.
$record = new stdClass();
$record->course = $this->course->id;
$record->userid = $this->student1->id;
$record->forum = $this->forum->id;
$this->discussion = self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
// Retrieve the first post.
$this->post = $DB->get_record('forum_posts', array('discussion' => $this->discussion->id));
}
}
if (empty($errors)) {
// update normal role settings
$role->id = $roleid;
$role->name = $name;
$role->shortname = $shortname;
$role->description = $description;
if (!update_record('role', $role)) {
error('Could not update role!');
}
// set proper legacy type
foreach ($legacyroles as $ltype => $lcap) {
if ($ltype == $legacytype) {
assign_capability($lcap, CAP_ALLOW, $roleid, $sitecontext->id);
} else {
unassign_capability($lcap, $roleid);
}
}
// edited a role sitewide...
mark_context_dirty($sitecontext->path);
add_to_log(SITEID, 'role', 'edit', 'admin/roles/manage.php?action=edit&roleid=' . $role->id, $role->name, '', $USER->id);
redirect('manage.php');
}
// edited a role sitewide - with errors, but still...
mark_context_dirty($sitecontext->path);
}
break;
case 'delete':
if (in_array($roleid, $defaultroles)) {
error('This role is used as one of the default system roles, it can not be deleted');
}
/**
* Called from the settings form. Assigns or unassigns capabilities from Group Manager role.
* Assumes that this role exists, and that capabilities have numeric values 1 and 2 from form.
*
* @param $settingname
* @return unknown_type
*/
function fn_sg_set_user_capability($settingname)
{
global $CFG;
$context = get_system_context();
$role = get_record('role', 'shortname', FNGRPMANROLESNAME);
if ($settingname == 's__block_fn_site_groups_users') {
$capsset = explode(',', $CFG->block_fn_site_groups_users);
if (in_array(1, $capsset)) {
assign_capability('block/fn_site_groups:assignowngroupusers', CAP_ALLOW, $role->id, $context->id);
} else {
unassign_capability('block/fn_site_groups:assignowngroupusers', $role->id, $context->id);
}
if (in_array(2, $capsset)) {
assign_capability('block/fn_site_groups:assignallusers', CAP_ALLOW, $role->id, $context->id);
} else {
unassign_capability('block/fn_site_groups:assignallusers', $role->id, $context->id);
}
} else {
if ($settingname == 's__block_fn_site_groups_creategroups') {
if (!empty($CFG->block_fn_site_groups_creategroups)) {
assign_capability('block/fn_site_groups:createnewgroups', CAP_ALLOW, $role->id, $context->id);
} else {
unassign_capability('block/fn_site_groups:createnewgroups', $role->id, $context->id);
}
}
}
return true;
}
function xmldb_oublog_upgrade($oldversion = 0)
{
global $CFG, $THEME, $db;
$result = true;
if ($result && $oldversion < 2008022600) {
/// Define field views to be added to oublog_instances
$table = new XMLDBTable('oublog_instances');
$field = new XMLDBField('views');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'accesstoken');
/// Launch add field views
$result = $result && add_field($table, $field);
$table = new XMLDBTable('oublog');
$field = new XMLDBField('views');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'global');
/// Launch add field views
$result = $result && add_field($table, $field);
}
if ($result && $oldversion < 2008022700) {
/// Define field oublogid to be added to oublog_links
$table = new XMLDBTable('oublog_links');
$field = new XMLDBField('oublogid');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
/// Launch add field oublogid
$result = $result && add_field($table, $field);
/// Define key oublog_links_oublog_fk (foreign) to be added to oublog_links
$table = new XMLDBTable('oublog_links');
$key = new XMLDBKey('oublog_links_oublog_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('oublogid'), 'oublog', array('id'));
/// Launch add key oublog_links_oublog_fk
$result = $result && add_key($table, $key);
/// Changing nullability of field oubloginstancesid on table oublog_links to null
$table = new XMLDBTable('oublog_links');
$field = new XMLDBField('oubloginstancesid');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'oublogid');
/// Launch change of nullability for field oubloginstancesid
$result = $result && change_field_notnull($table, $field);
}
if ($result && $oldversion < 2008022701) {
/// Define field sortorder to be added to oublog_links
$table = new XMLDBTable('oublog_links');
$field = new XMLDBField('sortorder');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'url');
/// Launch add field sortorder
$result = $result && add_field($table, $field);
}
if ($result && $oldversion < 2008030704) {
/// Add search data
require_once dirname(__FILE__) . '/../locallib.php';
require_once dirname(__FILE__) . '/../lib.php';
if (oublog_search_installed()) {
global $db;
$olddebug = $db->debug;
$db->debug = false;
print '<ul>';
oublog_ousearch_update_all(true);
print '</ul>';
$db->debug = $olddebug;
}
}
if ($result && $oldversion < 2008030707) {
/// Define field lasteditedby to be added to oublog_posts
$table = new XMLDBTable('oublog_posts');
$field = new XMLDBField('lasteditedby');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'visibility');
/// Launch add field lasteditedby
$result = $result && add_field($table, $field);
/// Transfer edit data to lasteditedby
$result = $result && execute_sql("\r\nUPDATE {$CFG->prefix}oublog_posts SET lasteditedby=(\r\n SELECT userid FROM {$CFG->prefix}oublog_edits WHERE {$CFG->prefix}oublog_posts.id=postid ORDER BY id DESC LIMIT 1 \r\n) WHERE editsummary IS NOT NULL\r\n ");
/// Define field editsummary to be dropped from oublog_posts
$table = new XMLDBTable('oublog_posts');
$field = new XMLDBField('editsummary');
/// Launch drop field editsummary
$result = $result && drop_field($table, $field);
}
if ($result && $oldversion < 2008073000) {
/// Define field completionposts to be added to oublog
$table = new XMLDBTable('oublog');
$field = new XMLDBField('completionposts');
$field->setAttributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'views');
/// Launch add field completionposts
$result = $result && add_field($table, $field);
/// Define field completioncomments to be added to oublog
$field = new XMLDBField('completioncomments');
$field->setAttributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completionposts');
/// Launch add field completioncomments
$result = $result && add_field($table, $field);
}
if ($result && $oldversion < 2008121100) {
// remove oublog:view from legacy:user roles
$roles = get_roles_with_capability('moodle/legacy:user', CAP_ALLOW);
foreach ($roles as $role) {
$result = $result && unassign_capability('mod/oublog:view', $role->id);
}
}
if ($result && $oldversion < 2009012600) {
// Remove oublog:post and oublog:comment from legacy:user roles (if present)
$roles = get_roles_with_capability('moodle/legacy:user', CAP_ALLOW);
// Also from default user role if not already included
if (!array_key_exists($CFG->defaultuserroleid, $roles)) {
$roles[] = get_record('role', 'id', $CFG->defaultuserroleid);
}
print '<p><strong>Warning</strong>: The OU blog system capabilities
have changed (again) in order to fix bugs and clarify access control.
The system will automatically remove the capabilities
<tt>mod/oublog:view</tt>, <tt>mod/oublog:post</tt>, and
<tt>mod/oublog:comment</tt> from the following role(s):</p><ul>';
foreach ($roles as $role) {
print '<li>' . htmlspecialchars($role->name) . '</li>';
$result = $result && unassign_capability('mod/oublog:view', $role->id);
$result = $result && unassign_capability('mod/oublog:post', $role->id);
$result = $result && unassign_capability('mod/oublog:comment', $role->id);
}
print '</ul><p>On a default Moodle installation this is the correct
behaviour. Personal blog access is now controlled via the
<tt>mod/oublog:viewpersonal</tt> and
<tt>mod/oublog:contributepersonal</tt>
capabilities. These capabilities have been added to the
authenticated user role and any equivalent roles.</p>
<p>If in doubt, please examine your role configuration with regard
to these <tt>mod/oublog</tt> capabilities.</p>';
}
if ($result && $oldversion < 2010031200) {
/// Define field completionposts to be added to oublog
$table = new XMLDBTable('oublog');
$field = new XMLDBField('individual');
$field->setAttributes(XMLDB_TYPE_INTEGER, '4', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completioncomments');
/// Launch add field completioncomments
$result = $result && add_field($table, $field);
}
if ($result && $oldversion < 2010062400) {
/// Define table oublog_comments_moderated to be created
$table = new XMLDBTable('oublog_comments_moderated');
/// Adding fields to table oublog_comments_moderated
$table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
$table->addFieldInfo('postid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('title', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('message', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('timeposted', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('authorname', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('ipaddress', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('approval', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
$table->addFieldInfo('timeset', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
$table->addFieldInfo('secretkey', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
/// Adding keys to table oublog_comments_moderated
$table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->addKeyInfo('postid', XMLDB_KEY_FOREIGN, array('postid'), 'oublog_posts', array('id'));
/// Adding indexes to table oublog_comments_moderated
$table->addIndexInfo('ipaddress', XMLDB_INDEX_NOTUNIQUE, array('ipaddress'));
/// Launch create table for oublog_comments_moderated
$result = $result && create_table($table);
/// Changing nullability of field userid on table oublog_comments to null
$table = new XMLDBTable('oublog_comments');
$field = new XMLDBField('userid');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'postid');
/// Launch change of nullability for field userid
$result = $result && change_field_notnull($table, $field);
/// Define field authorname to be added to oublog_comments
$field = new XMLDBField('authorname');
$field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'timedeleted');
/// Launch add field authorname
$result = $result && add_field($table, $field);
/// Define field authorip to be added to oublog_comments
$field = new XMLDBField('authorip');
$field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'authorname');
/// Launch add field authorip
$result = $result && add_field($table, $field);
/// Define field timeapproved to be added to oublog_comments
$field = new XMLDBField('timeapproved');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'authorip');
/// Launch add field timeapproved
$result = $result && add_field($table, $field);
}
if ($result && $oldversion < 2010062500) {
// Change the 'allow comments' value to 2 on global blog, if it is
// currently set to 1
$result = $result && set_field('oublog', 'allowcomments', 2, 'global', 1, 'allowcomments', 1);
}
if ($result && $oldversion < 2010063000) {
/// Define index ipaddress (not unique) to be dropped form oublog_comments_moderated
$table = new XMLDBTable('oublog_comments_moderated');
$index = new XMLDBIndex('ipaddress');
$index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('ipaddress'));
/// Launch drop index authorip
$result = $result && drop_index($table, $index);
/// Rename field ipaddress on table oublog_comments_moderated to authorip
$field = new XMLDBField('ipaddress');
$field->setAttributes(XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null, 'authorname');
/// Launch rename field ipaddress
$result = $result && rename_field($table, $field, 'authorip');
/// Define index authorip (not unique) to be added to oublog_comments_moderated
$table = new XMLDBTable('oublog_comments_moderated');
$index = new XMLDBIndex('authorip');
$index->setAttributes(XMLDB_INDEX_NOTUNIQUE, array('authorip'));
/// Launch add index authorip
$result = $result && add_index($table, $index);
}
if ($result && $oldversion < 2010070101) {
// Make cron start working - in some servers I found there was
// 9999999999 in the lastcron field which caused it never to run; not
// very helpful
$result = $result && set_field('modules', 'lastcron', 1, 'name', 'oublog');
}
return $result;
}
/**
* A small functional test of accesslib functions and classes.
* @return void
*/
public function test_everything_in_accesslib() {
global $USER, $SITE, $CFG, $DB, $ACCESSLIB_PRIVATE;
$this->resetAfterTest(true);
$generator = $this->getDataGenerator();
// Fill the site with some real data
$testcategories = array();
$testcourses = array();
$testpages = array();
$testblocks = array();
$allroles = $DB->get_records_menu('role', array(), 'id', 'archetype, id');
$systemcontext = context_system::instance();
$frontpagecontext = context_course::instance(SITEID);
// Add block to system context
$bi = $generator->create_block('online_users');
context_block::instance($bi->id);
$testblocks[] = $bi->id;
// Some users
$testusers = array();
for($i=0; $i<20; $i++) {
$user = $generator->create_user();
$testusers[$i] = $user->id;
$usercontext = context_user::instance($user->id);
// Add block to user profile
$bi = $generator->create_block('online_users', array('parentcontextid'=>$usercontext->id));
$testblocks[] = $bi->id;
}
// Deleted user - should be ignored everywhere, can not have context
$generator->create_user(array('deleted'=>1));
// Add block to frontpage
$bi = $generator->create_block('online_users', array('parentcontextid'=>$frontpagecontext->id));
$frontpageblockcontext = context_block::instance($bi->id);
$testblocks[] = $bi->id;
// Add a resource to frontpage
$page = $generator->create_module('page', array('course'=>$SITE->id));
$testpages[] = $page->id;
$frontpagepagecontext = context_module::instance($page->cmid);
// Add block to frontpage resource
$bi = $generator->create_block('online_users', array('parentcontextid'=>$frontpagepagecontext->id));
$frontpagepageblockcontext = context_block::instance($bi->id);
$testblocks[] = $bi->id;
// Some nested course categories with courses
$manualenrol = enrol_get_plugin('manual');
$parentcat = 0;
for($i=0; $i<5; $i++) {
$cat = $generator->create_category(array('parent'=>$parentcat));
$testcategories[] = $cat->id;
$catcontext = context_coursecat::instance($cat->id);
$parentcat = $cat->id;
if ($i >=4) {
continue;
}
// Add resource to each category
$bi = $generator->create_block('online_users', array('parentcontextid'=>$catcontext->id));
context_block::instance($bi->id);
// Add a few courses to each category
for($j=0; $j<6; $j++) {
$course = $generator->create_course(array('category'=>$cat->id));
$testcourses[] = $course->id;
$coursecontext = context_course::instance($course->id);
if ($j >= 5) {
continue;
}
// Add manual enrol instance
$manualenrol->add_default_instance($DB->get_record('course', array('id'=>$course->id)));
// Add block to each course
$bi = $generator->create_block('online_users', array('parentcontextid'=>$coursecontext->id));
$testblocks[] = $bi->id;
// Add a resource to each course
$page = $generator->create_module('page', array('course'=>$course->id));
$testpages[] = $page->id;
$modcontext = context_module::instance($page->cmid);
// Add block to each module
$bi = $generator->create_block('online_users', array('parentcontextid'=>$modcontext->id));
$testblocks[] = $bi->id;
}
}
// Make sure all contexts were created properly
$count = 1; //system
$count += $DB->count_records('user', array('deleted'=>0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEquals($DB->count_records('context'), $count);
$this->assertEquals($DB->count_records('context', array('depth'=>0)), 0);
$this->assertEquals($DB->count_records('context', array('path'=>NULL)), 0);
// ====== context_helper::get_level_name() ================================
$levels = context_helper::get_all_levels();
foreach ($levels as $level=>$classname) {
$name = context_helper::get_level_name($level);
$this->assertFalse(empty($name));
}
// ======= context::instance_by_id(), context_xxx::instance();
$context = context::instance_by_id($frontpagecontext->id);
$this->assertSame($context->contextlevel, CONTEXT_COURSE);
$this->assertFalse(context::instance_by_id(-1, IGNORE_MISSING));
try {
context::instance_by_id(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertTrue(context_system::instance() instanceof context_system);
$this->assertTrue(context_coursecat::instance($testcategories[0]) instanceof context_coursecat);
$this->assertTrue(context_course::instance($testcourses[0]) instanceof context_course);
$this->assertTrue(context_module::instance($testpages[0]) instanceof context_module);
$this->assertTrue(context_block::instance($testblocks[0]) instanceof context_block);
$this->assertFalse(context_coursecat::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_course::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_module::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_block::instance(-1, IGNORE_MISSING));
try {
context_coursecat::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_course::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_module::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_block::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
// ======= $context->get_url(), $context->get_context_name(), $context->get_capabilities() =========
$testcontexts = array();
$testcontexts[CONTEXT_SYSTEM] = context_system::instance();
$testcontexts[CONTEXT_COURSECAT] = context_coursecat::instance($testcategories[0]);
$testcontexts[CONTEXT_COURSE] = context_course::instance($testcourses[0]);
$testcontexts[CONTEXT_MODULE] = context_module::instance($testpages[0]);
$testcontexts[CONTEXT_BLOCK] = context_block::instance($testblocks[0]);
foreach ($testcontexts as $context) {
$name = $context->get_context_name(true, true);
$this->assertFalse(empty($name));
$this->assertTrue($context->get_url() instanceof moodle_url);
$caps = $context->get_capabilities();
$this->assertTrue(is_array($caps));
foreach ($caps as $cap) {
$cap = (array)$cap;
$this->assertSame(array_keys($cap), array('id', 'name', 'captype', 'contextlevel', 'component', 'riskbitmask'));
}
}
unset($testcontexts);
// ===== $context->get_course_context() =========================================
$this->assertFalse($systemcontext->get_course_context(false));
try {
$systemcontext->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$context = context_coursecat::instance($testcategories[0]);
$this->assertFalse($context->get_course_context(false));
try {
$context->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertSame($frontpagecontext->get_course_context(true), $frontpagecontext);
$this->assertSame($frontpagepagecontext->get_course_context(true), $frontpagecontext);
$this->assertSame($frontpagepageblockcontext->get_course_context(true), $frontpagecontext);
// ======= $context->get_parent_context(), $context->get_parent_contexts(), $context->get_parent_context_ids() =======
$userid = reset($testusers);
$usercontext = context_user::instance($userid);
$this->assertSame($usercontext->get_parent_context(), $systemcontext);
$this->assertSame($usercontext->get_parent_contexts(), array($systemcontext->id=>$systemcontext));
$this->assertSame($usercontext->get_parent_contexts(true), array($usercontext->id=>$usercontext, $systemcontext->id=>$systemcontext));
$this->assertSame($systemcontext->get_parent_contexts(), array());
$this->assertSame($systemcontext->get_parent_contexts(true), array($systemcontext->id=>$systemcontext));
$this->assertSame($systemcontext->get_parent_context_ids(), array());
$this->assertSame($systemcontext->get_parent_context_ids(true), array($systemcontext->id));
$this->assertSame($frontpagecontext->get_parent_context(), $systemcontext);
$this->assertSame($frontpagecontext->get_parent_contexts(), array($systemcontext->id=>$systemcontext));
$this->assertSame($frontpagecontext->get_parent_contexts(true), array($frontpagecontext->id=>$frontpagecontext, $systemcontext->id=>$systemcontext));
$this->assertSame($frontpagecontext->get_parent_context_ids(), array($systemcontext->id));
$this->assertEquals($frontpagecontext->get_parent_context_ids(true), array($frontpagecontext->id, $systemcontext->id));
$this->assertSame($systemcontext->get_parent_context(), false);
$frontpagecontext = context_course::instance($SITE->id);
$parent = $systemcontext;
foreach ($testcategories as $catid) {
$catcontext = context_coursecat::instance($catid);
$this->assertSame($catcontext->get_parent_context(), $parent);
$parent = $catcontext;
}
$this->assertSame($frontpagepagecontext->get_parent_context(), $frontpagecontext);
$this->assertSame($frontpageblockcontext->get_parent_context(), $frontpagecontext);
$this->assertSame($frontpagepageblockcontext->get_parent_context(), $frontpagepagecontext);
// ====== $context->get_child_contexts() ================================
$CFG->debug = 0;
$children = $systemcontext->get_child_contexts();
$CFG->debug = DEBUG_DEVELOPER;
$this->assertEquals(count($children)+1, $DB->count_records('context'));
$context = context_coursecat::instance($testcategories[3]);
$children = $context->get_child_contexts();
$countcats = 0;
$countcourses = 0;
$countblocks = 0;
foreach ($children as $child) {
if ($child->contextlevel == CONTEXT_COURSECAT) {
$countcats++;
}
if ($child->contextlevel == CONTEXT_COURSE) {
$countcourses++;
}
if ($child->contextlevel == CONTEXT_BLOCK) {
$countblocks++;
}
}
$this->assertEquals(count($children), 8);
$this->assertEquals($countcats, 1);
$this->assertEquals($countcourses, 6);
$this->assertEquals($countblocks, 1);
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$this->assertEquals(count($children), 7); // depends on number of default blocks
$context = context_module::instance($testpages[3]);
$children = $context->get_child_contexts();
$this->assertEquals(count($children), 1);
$context = context_block::instance($testblocks[1]);
$children = $context->get_child_contexts();
$this->assertEquals(count($children), 0);
unset($children);
unset($countcats);
unset($countcourses);
unset($countblocks);
// ======= context_helper::reset_caches() ============================
context_helper::reset_caches();
$this->assertEquals(context_inspection::test_context_cache_size(), 0);
context_course::instance($SITE->id);
$this->assertEquals(context_inspection::test_context_cache_size(), 1);
// ======= context preloading ========================================
context_helper::reset_caches();
$sql = "SELECT ".context_helper::get_preload_record_columns_sql('c')."
FROM {context} c
WHERE c.contextlevel <> ".CONTEXT_SYSTEM;
$records = $DB->get_records_sql($sql);
$firstrecord = reset($records);
$columns = context_helper::get_preload_record_columns('c');
$firstrecord = (array)$firstrecord;
$this->assertSame(array_keys($firstrecord), array_values($columns));
context_helper::reset_caches();
foreach ($records as $record) {
context_helper::preload_from_record($record);
$this->assertEquals($record, new stdClass());
}
$this->assertEquals(context_inspection::test_context_cache_size(), count($records));
unset($records);
unset($columns);
context_helper::reset_caches();
context_helper::preload_course($SITE->id);
$this->assertEquals(7, context_inspection::test_context_cache_size()); // depends on number of default blocks
// ====== assign_capability(), unassign_capability() ====================
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertEquals($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertEquals($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertEquals($rc->permission, CAP_PREVENT);
assign_capability('moodle/site:accessallgroups', CAP_INHERIT, $allroles['teacher'], $frontpagecontext);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid'=>$frontpagecontext->id, 'roleid'=>$allroles['teacher'], 'capability'=>'moodle/site:accessallgroups'));
$this->assertFalse($rc);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext->id, true);
unset($rc);
accesslib_clear_all_caches(false); // must be done after assign_capability()
// ======= role_assign(), role_unassign(), role_unassign_all() ==============
$context = context_course::instance($testcourses[1]);
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 0);
role_assign($allroles['teacher'], $testusers[1], $context->id);
role_assign($allroles['teacher'], $testusers[2], $context->id);
role_assign($allroles['manager'], $testusers[1], $context->id);
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 3);
role_unassign($allroles['teacher'], $testusers[1], $context->id);
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 2);
role_unassign_all(array('contextid'=>$context->id));
$this->assertEquals($DB->count_records('role_assignments', array('contextid'=>$context->id)), 0);
unset($context);
accesslib_clear_all_caches(false); // just in case
// ====== has_capability(), get_users_by_capability(), role_switch(), reload_all_capabilities() and friends ========================
$adminid = get_admin()->id;
$guestid = $CFG->siteguest;
// Enrol some users into some courses
$course1 = $DB->get_record('course', array('id'=>$testcourses[22]), '*', MUST_EXIST);
$course2 = $DB->get_record('course', array('id'=>$testcourses[7]), '*', MUST_EXIST);
$cms = $DB->get_records('course_modules', array('course'=>$course1->id), 'id');
$cm1 = reset($cms);
$blocks = $DB->get_records('block_instances', array('parentcontextid'=>context_module::instance($cm1->id)->id), 'id');
$block1 = reset($blocks);
$instance1 = $DB->get_record('enrol', array('enrol'=>'manual', 'courseid'=>$course1->id));
$instance2 = $DB->get_record('enrol', array('enrol'=>'manual', 'courseid'=>$course2->id));
for($i=0; $i<9; $i++) {
$manualenrol->enrol_user($instance1, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance1, $testusers[8], $allroles['teacher']);
$manualenrol->enrol_user($instance1, $testusers[9], $allroles['editingteacher']);
for($i=10; $i<15; $i++) {
$manualenrol->enrol_user($instance2, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance2, $testusers[15], $allroles['editingteacher']);
// Add tons of role assignments - the more the better
role_assign($allroles['coursecreator'], $testusers[11], context_coursecat::instance($testcategories[2]));
role_assign($allroles['manager'], $testusers[12], context_coursecat::instance($testcategories[1]));
role_assign($allroles['student'], $testusers[9], context_module::instance($cm1->id));
role_assign($allroles['teacher'], $testusers[8], context_module::instance($cm1->id));
role_assign($allroles['guest'], $testusers[13], context_course::instance($course1->id));
role_assign($allroles['teacher'], $testusers[7], context_block::instance($block1->id));
role_assign($allroles['manager'], $testusers[9], context_block::instance($block1->id));
role_assign($allroles['editingteacher'], $testusers[9], context_course::instance($course1->id));
role_assign($allroles['teacher'], $adminid, context_course::instance($course1->id));
role_assign($allroles['editingteacher'], $adminid, context_block::instance($block1->id));
// Add tons of overrides - the more the better
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpageblockcontext, true);
assign_capability('moodle/block:view', CAP_PROHIBIT, $allroles['guest'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['user'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['student'], $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $CFG->defaultuserroleid, $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['user'], $frontpagepagecontext, true);
assign_capability('moodle/page:view', CAP_ALLOW, $allroles['student'], $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['guest'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PROHIBIT, $allroles['user'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $systemcontext, true);
accesslib_clear_all_caches(false); // must be done after assign_capability()
// Extra tests for guests and not-logged-in users because they can not be verified by cross checking
// with get_users_by_capability() where they are ignored
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, $guestid));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, $guestid));
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, 0));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, 0));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, 0));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, 0));
$this->assertFalse(has_capability('moodle/course:create', $systemcontext, $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_coursecat::instance($testcategories[2]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:create', context_course::instance($testcourses[1]), $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_course::instance($testcourses[19]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[1]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[19]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', $systemcontext, $testusers[9]));
// Test the list of enrolled users
$coursecontext = context_course::instance($course1->id);
$enrolled = get_enrolled_users($coursecontext);
$this->assertEquals(count($enrolled), 10);
for($i=0; $i<10; $i++) {
$this->assertTrue(isset($enrolled[$testusers[$i]]));
}
$enrolled = get_enrolled_users($coursecontext, 'moodle/course:update');
$this->assertEquals(count($enrolled), 1);
$this->assertTrue(isset($enrolled[$testusers[9]]));
unset($enrolled);
// role switching
$userid = $testusers[9];
$USER = $DB->get_record('user', array('id'=>$userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(is_role_switched($course1->id));
role_switch($allroles['student'], $coursecontext);
$this->assertTrue(is_role_switched($course1->id));
$this->assertEquals($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
role_switch(0, $coursecontext);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$userid = $adminid;
$USER = $DB->get_record('user', array('id'=>$userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$blockcontext = context_block::instance($block1->id);
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
role_switch($allroles['student'], $coursecontext);
$this->assertEquals($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
load_all_capabilities();
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
// temp course role for enrol
$DB->delete_records('cache_flags', array()); // this prevents problem with dirty contexts immediately resetting the temp role - this is a known problem...
$userid = $testusers[5];
$roleid = $allroles['editingteacher'];
$USER = $DB->get_record('user', array('id'=>$userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(isset($USER->access['ra'][$coursecontext->path][$roleid]));
load_temp_course_role($coursecontext, $roleid);
$this->assertEquals($USER->access['ra'][$coursecontext->path][$roleid], $roleid);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
remove_temp_course_roles($coursecontext);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
load_temp_course_role($coursecontext, $roleid);
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
$USER = new stdClass();
$USER->id = 0;
// Now cross check has_capability() with get_users_by_capability(), each using different code paths,
// they have to be kept in sync, usually only one of them breaks, so we know when something is wrong,
// at the same time validate extra restrictions (guest read only no risks, admin exception, non existent and deleted users)
$contexts = $DB->get_records('context', array(), 'id');
$contexts = array_values($contexts);
$capabilities = $DB->get_records('capabilities', array(), 'id');
$capabilities = array_values($capabilities);
$roles = array($allroles['guest'], $allroles['user'], $allroles['teacher'], $allroles['editingteacher'], $allroles['coursecreator'], $allroles['manager']);
$userids = array_values($testusers);
$userids[] = get_admin()->id;
if (!PHPUNIT_LONGTEST) {
$contexts = array_slice($contexts, 0, 10);
$capabilities = array_slice($capabilities, 0, 5);
$userids = array_slice($userids, 0, 5);
}
// Random time!
//srand(666);
foreach($userids as $userid) { // no guest or deleted
// each user gets 0-10 random roles
$rcount = rand(0, 10);
for($j=0; $j<$rcount; $j++) {
$roleid = $roles[rand(0, count($roles)-1)];
$contextid = $contexts[rand(0, count($contexts)-1)]->id;
role_assign($roleid, $userid, $contextid);
}
}
$permissions = array(CAP_ALLOW, CAP_PREVENT, CAP_INHERIT, CAP_PREVENT);
$maxoverrides = count($contexts)*10;
for($j=0; $j<$maxoverrides; $j++) {
$roleid = $roles[rand(0, count($roles)-1)];
$contextid = $contexts[rand(0, count($contexts)-1)]->id;
$permission = $permissions[rand(0,count($permissions)-1)];
$capname = $capabilities[rand(0, count($capabilities)-1)]->name;
assign_capability($capname, $permission, $roleid, $contextid, true);
}
unset($permissions);
unset($roles);
accesslib_clear_all_caches(false); // must be done after assign_capability()
// Test time - let's set up some real user, just in case the logic for USER affects the others...
$USER = $DB->get_record('user', array('id'=>$testusers[3]));
load_all_capabilities();
$userids[] = $CFG->siteguest;
$userids[] = 0; // not-logged-in user
$userids[] = -1; // non-existent user
foreach ($contexts as $crecord) {
$context = context::instance_by_id($crecord->id);
if ($coursecontext = $context->get_course_context(false)) {
$enrolled = get_enrolled_users($context);
} else {
$enrolled = array();
}
foreach ($capabilities as $cap) {
$allowed = get_users_by_capability($context, $cap->name, 'u.id, u.username');
if ($enrolled) {
$enrolledwithcap = get_enrolled_users($context, $cap->name);
} else {
$enrolledwithcap = array();
}
foreach ($userids as $userid) {
if ($userid == 0 or isguestuser($userid)) {
if ($userid == 0) {
$CFG->forcelogin = true;
$this->assertFalse(has_capability($cap->name, $context, $userid));
unset($CFG->forcelogin);
}
if (($cap->captype === 'write') or ($cap->riskbitmask & (RISK_XSS | RISK_CONFIG | RISK_DATALOSS))) {
$this->assertFalse(has_capability($cap->name, $context, $userid));
}
$this->assertFalse(isset($allowed[$userid]));
} else {
if (is_siteadmin($userid)) {
$this->assertTrue(has_capability($cap->name, $context, $userid, true));
}
$hascap = has_capability($cap->name, $context, $userid, false);
$this->assertSame($hascap, isset($allowed[$userid]), "Capability result mismatch user:$userid, context:$context->id, $cap->name, hascap: ".(int)$hascap." ");
if (isset($enrolled[$userid])) {
$this->assertSame(isset($allowed[$userid]), isset($enrolledwithcap[$userid]), "Enrolment with capability result mismatch user:$userid, context:$context->id, $cap->name, hascap: ".(int)$hascap." ");
}
}
}
}
}
// Back to nobody
$USER = new stdClass();
$USER->id = 0;
unset($contexts);
unset($userids);
unset($capabilities);
// Now let's do all the remaining tests that break our carefully prepared fake site
// ======= $context->mark_dirty() =======================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
$systemcontext->mark_dirty();
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$systemcontext->path]));
// ======= $context->reload_if_dirty(); =================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
load_all_capabilities();
$context = context_course::instance($testcourses[2]);
$page = $DB->get_record('page', array('course'=>$testcourses[2]));
$pagecontext = context_module::instance($page->id);
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$context->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$pagecontext->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
// ======= context_helper::build_all_paths() ============================
$oldcontexts = $DB->get_records('context', array(), 'id');
$DB->set_field_select('context', 'path', NULL, "contextlevel <> ".CONTEXT_SYSTEM);
$DB->set_field_select('context', 'depth', 0, "contextlevel <> ".CONTEXT_SYSTEM);
context_helper::build_all_paths();
$newcontexts = $DB->get_records('context', array(), 'id');
$this->assertEquals($oldcontexts, $newcontexts);
unset($oldcontexts);
unset($newcontexts);
// ======= $context->reset_paths() ======================================
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$context->reset_paths(false);
$this->assertSame($DB->get_field('context', 'path', array('id'=>$context->id)), NULL);
$this->assertEquals($DB->get_field('context', 'depth', array('id'=>$context->id)), 0);
foreach ($children as $child) {
$this->assertSame($DB->get_field('context', 'path', array('id'=>$child->id)), NULL);
$this->assertEquals($DB->get_field('context', 'depth', array('id'=>$child->id)), 0);
}
$this->assertEquals(count($children)+1, $DB->count_records('context', array('depth'=>0)));
$this->assertEquals(count($children)+1, $DB->count_records('context', array('path'=>NULL)));
$context = context_course::instance($testcourses[2]);
$context->reset_paths(true);
$context = context_course::instance($testcourses[2]);
$this->assertEquals($DB->get_field('context', 'path', array('id'=>$context->id)), $context->path);
$this->assertEquals($DB->get_field('context', 'depth', array('id'=>$context->id)), $context->depth);
$this->assertEquals(0, $DB->count_records('context', array('depth'=>0)));
$this->assertEquals(0, $DB->count_records('context', array('path'=>NULL)));
// ====== $context->update_moved(); ======================================
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id'=>$testcourses[0]));
$context = context_course::instance($course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
$context->update_moved($categorycontext);
$context = context_course::instance($course->id);
$this->assertEquals($context->get_parent_context(), $categorycontext);
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$oldpath]));
$this->assertTrue(isset($dirty[$context->path]));
// ====== $context->delete_content() =====================================
context_helper::reset_caches();
$context = context_module::instance($testpages[3]);
$this->assertTrue($DB->record_exists('context', array('id'=>$context->id)));
$this->assertEquals(1, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
$context->delete_content();
$this->assertTrue($DB->record_exists('context', array('id'=>$context->id)));
$this->assertEquals(0, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
// ====== $context->delete() =============================
context_helper::reset_caches();
$context = context_module::instance($testpages[4]);
$this->assertTrue($DB->record_exists('context', array('id'=>$context->id)));
$this->assertEquals(1, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
$bi = $DB->get_record('block_instances', array('parentcontextid'=>$context->id));
$bicontext = context_block::instance($bi->id);
$DB->delete_records('cache_flags', array());
$context->delete(); // should delete also linked blocks
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$context->path]));
$this->assertFalse($DB->record_exists('context', array('id'=>$context->id)));
$this->assertFalse($DB->record_exists('context', array('id'=>$bicontext->id)));
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_MODULE, 'instanceid'=>$testpages[4])));
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_BLOCK, 'instanceid'=>$bi->id)));
$this->assertEquals(0, $DB->count_records('block_instances', array('parentcontextid'=>$context->id)));
context_module::instance($testpages[4]);
// ====== context_helper::delete_instance() =============================
context_helper::reset_caches();
$lastcourse = array_pop($testcourses);
$this->assertTrue($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$lastcourse)));
$coursecontext = context_course::instance($lastcourse);
$this->assertEquals(context_inspection::test_context_cache_size(), 1);
$this->assertFalse($coursecontext->instanceid == CONTEXT_COURSE);
$DB->delete_records('cache_flags', array());
context_helper::delete_instance(CONTEXT_COURSE, $lastcourse);
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$coursecontext->path]));
$this->assertEquals(context_inspection::test_context_cache_size(), 0);
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$lastcourse)));
context_course::instance($lastcourse);
// ======= context_helper::create_instances() ==========================
$prevcount = $DB->count_records('context');
$DB->delete_records('context', array('contextlevel'=>CONTEXT_BLOCK));
context_helper::create_instances(null, true);
$this->assertSame($DB->count_records('context'), $prevcount);
$this->assertEquals($DB->count_records('context', array('depth'=>0)), 0);
$this->assertEquals($DB->count_records('context', array('path'=>NULL)), 0);
$DB->delete_records('context', array('contextlevel'=>CONTEXT_BLOCK));
$DB->delete_records('block_instances', array());
$prevcount = $DB->count_records('context');
$DB->delete_records_select('context', 'contextlevel <> '.CONTEXT_SYSTEM);
context_helper::create_instances(null, true);
$this->assertSame($DB->count_records('context'), $prevcount);
$this->assertEquals($DB->count_records('context', array('depth'=>0)), 0);
$this->assertEquals($DB->count_records('context', array('path'=>NULL)), 0);
// ======= context_helper::cleanup_instances() ==========================
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id'=>$lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id'=>$lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id'=>$lastuser));
$DB->delete_records('block_instances', array('parentcontextid'=>$frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id'=>$frontpagepagecontext->instanceid));
context_helper::cleanup_instances();
$count = 1; //system
$count += $DB->count_records('user', array('deleted'=>0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEquals($DB->count_records('context'), $count);
// ======= context cache size restrictions ==============================
$testusers= array();
for ($i=0; $i<CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
$user = $generator->create_user();
$testusers[$i] = $user->id;
}
context_helper::create_instances(null, true);
context_helper::reset_caches();
for ($i=0; $i<CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
context_user::instance($testusers[$i]);
if ($i == CONTEXT_CACHE_MAX_SIZE - 1) {
$this->assertEquals(context_inspection::test_context_cache_size(), CONTEXT_CACHE_MAX_SIZE);
} else if ($i == CONTEXT_CACHE_MAX_SIZE) {
// once the limit is reached roughly 1/3 of records should be removed from cache
$this->assertEquals(context_inspection::test_context_cache_size(), (int)(CONTEXT_CACHE_MAX_SIZE * (2/3) +102));
}
}
// We keep the first 100 cached
$prevsize = context_inspection::test_context_cache_size();
for ($i=0; $i<100; $i++) {
context_user::instance($testusers[$i]);
$this->assertEquals(context_inspection::test_context_cache_size(), $prevsize);
}
context_user::instance($testusers[102]);
$this->assertEquals(context_inspection::test_context_cache_size(), $prevsize+1);
unset($testusers);
// =================================================================
// ======= basic test of legacy functions ==========================
// =================================================================
// note: watch out, the fake site might be pretty borked already
$this->assertSame(get_system_context(), context_system::instance());
foreach ($DB->get_records('context') as $contextid=>$record) {
$context = context::instance_by_id($contextid);
$this->assertSame(get_context_instance_by_id($contextid), $context);
$this->assertSame(get_context_instance($record->contextlevel, $record->instanceid), $context);
$this->assertSame(get_parent_contexts($context), $context->get_parent_context_ids());
if ($context->id == SYSCONTEXTID) {
$this->assertSame(get_parent_contextid($context), false);
} else {
$this->assertSame(get_parent_contextid($context), $context->get_parent_context()->id);
}
}
$CFG->debug = 0;
$children = get_child_contexts($systemcontext);
$CFG->debug = DEBUG_DEVELOPER;
$this->assertEquals(count($children), $DB->count_records('context')-1);
unset($children);
$DB->delete_records('context', array('contextlevel'=>CONTEXT_BLOCK));
create_contexts();
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_BLOCK)));
$DB->set_field('context', 'depth', 0, array('contextlevel'=>CONTEXT_BLOCK));
build_context_path();
$this->assertFalse($DB->record_exists('context', array('depth'=>0)));
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id'=>$lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id'=>$lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id'=>$lastuser));
$DB->delete_records('block_instances', array('parentcontextid'=>$frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id'=>$frontpagepagecontext->instanceid));
cleanup_contexts();
$count = 1; //system
$count += $DB->count_records('user', array('deleted'=>0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEquals($DB->count_records('context'), $count);
context_helper::reset_caches();
preload_course_contexts($SITE->id);
$this->assertEquals(context_inspection::test_context_cache_size(), 1);
context_helper::reset_caches();
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSECAT, 'ctx');
$sql = "SELECT c.id $select FROM {course_categories} c $join";
$records = $DB->get_records_sql($sql);
foreach ($records as $record) {
context_instance_preload($record);
$record = (array)$record;
$this->assertEquals(1, count($record)); // only id left
}
$this->assertEquals(count($records), context_inspection::test_context_cache_size());
accesslib_clear_all_caches(true);
$DB->delete_records('cache_flags', array());
mark_context_dirty($systemcontext->path);
$dirty = get_cache_flags('accesslib/dirtycontexts', time()-2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id'=>$testcourses[2]));
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
context_moved($context, $categorycontext);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$this->assertEquals($context->get_parent_context(), $categorycontext);
$this->assertTrue($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$testcourses[2])));
delete_context(CONTEXT_COURSE, $testcourses[2]);
$this->assertFalse($DB->record_exists('context', array('contextlevel'=>CONTEXT_COURSE, 'instanceid'=>$testcourses[2])));
$name = get_contextlevel_name(CONTEXT_COURSE);
$this->assertFalse(empty($name));
$context = get_context_instance(CONTEXT_COURSE, $testcourses[2]);
$name = print_context_name($context);
$this->assertFalse(empty($name));
$url = get_context_url($coursecontext);
$this->assertFalse($url instanceof modole_url);
$page = $DB->get_record('page', array('id'=>$testpages[7]));
$context = get_context_instance(CONTEXT_MODULE, $page->id);
$coursecontext = get_course_context($context);
$this->assertEquals($coursecontext->contextlevel, CONTEXT_COURSE);
$this->assertEquals(get_courseid_from_context($context), $page->course);
$caps = fetch_context_capabilities($systemcontext);
$this->assertTrue(is_array($caps));
unset($caps);
}
/**
* Deletes cached capabilities that are no longer needed by the component.
* Also unassigns these capabilities from any roles that have them.
* @param $component - examples: 'moodle', 'mod/forum', 'block/quiz_results'
* @param $newcapdef - array of the new capability definitions that will be
* compared with the cached capabilities
* @return int - number of deprecated capabilities that have been removed
*/
function capabilities_cleanup($component, $newcapdef = NULL)
{
global $DB;
$removedcount = 0;
if ($cachedcaps = get_cached_capabilities($component)) {
foreach ($cachedcaps as $cachedcap) {
if (empty($newcapdef) || array_key_exists($cachedcap->name, $newcapdef) === false) {
// Remove from capabilities cache.
if (!$DB->delete_records('capabilities', array('name' => $cachedcap->name))) {
print_error('cannotdeletecap', '', '', $cachedcap->name);
} else {
$removedcount++;
}
// Delete from roles.
if ($roles = get_roles_with_capability($cachedcap->name)) {
foreach ($roles as $role) {
if (!unassign_capability($cachedcap->name, $role->id)) {
print_error('cannotunassigncap', 'error', '', (object) array('cap' => $cachedcap->name, 'role' => $role->name));
}
}
}
}
// End if.
}
}
return $removedcount;
}
/**
* Test workshop::check_group_membership() functionality.
*/
public function test_check_group_membership()
{
global $DB, $CFG;
$this->resetAfterTest();
$courseid = $this->course->id;
$generator = $this->getDataGenerator();
// Make test groups.
$group1 = $generator->create_group(array('courseid' => $courseid));
$group2 = $generator->create_group(array('courseid' => $courseid));
$group3 = $generator->create_group(array('courseid' => $courseid));
// Revoke the accessallgroups from non-editing teachers (tutors).
$roleids = $DB->get_records_menu('role', null, '', 'shortname, id');
unassign_capability('moodle/site:accessallgroups', $roleids['teacher']);
// Create test use accounts.
$teacher1 = $generator->create_user();
$tutor1 = $generator->create_user();
$tutor2 = $generator->create_user();
$student1 = $generator->create_user();
$student2 = $generator->create_user();
$student3 = $generator->create_user();
// Enrol the teacher (has the access all groups permission).
$generator->enrol_user($teacher1->id, $courseid, $roleids['editingteacher']);
// Enrol tutors (can not access all groups).
$generator->enrol_user($tutor1->id, $courseid, $roleids['teacher']);
$generator->enrol_user($tutor2->id, $courseid, $roleids['teacher']);
// Enrol students.
$generator->enrol_user($student1->id, $courseid, $roleids['student']);
$generator->enrol_user($student2->id, $courseid, $roleids['student']);
$generator->enrol_user($student3->id, $courseid, $roleids['student']);
// Add users in groups.
groups_add_member($group1, $tutor1);
groups_add_member($group2, $tutor2);
groups_add_member($group1, $student1);
groups_add_member($group2, $student2);
groups_add_member($group3, $student3);
// Workshop with no groups.
$workshopitem1 = $this->getDataGenerator()->create_module('workshop', ['course' => $courseid, 'groupmode' => NOGROUPS]);
$cm = get_coursemodule_from_instance('workshop', $workshopitem1->id, $courseid, false, MUST_EXIST);
$workshop1 = new testable_workshop($workshopitem1, $cm, $this->course);
$this->setUser($teacher1);
$this->assertTrue($workshop1->check_group_membership($student1->id));
$this->assertTrue($workshop1->check_group_membership($student2->id));
$this->assertTrue($workshop1->check_group_membership($student3->id));
$this->setUser($tutor1);
$this->assertTrue($workshop1->check_group_membership($student1->id));
$this->assertTrue($workshop1->check_group_membership($student2->id));
$this->assertTrue($workshop1->check_group_membership($student3->id));
// Workshop in visible groups mode.
$workshopitem2 = $this->getDataGenerator()->create_module('workshop', ['course' => $courseid, 'groupmode' => VISIBLEGROUPS]);
$cm = get_coursemodule_from_instance('workshop', $workshopitem2->id, $courseid, false, MUST_EXIST);
$workshop2 = new testable_workshop($workshopitem2, $cm, $this->course);
$this->setUser($teacher1);
$this->assertTrue($workshop2->check_group_membership($student1->id));
$this->assertTrue($workshop2->check_group_membership($student2->id));
$this->assertTrue($workshop2->check_group_membership($student3->id));
$this->setUser($tutor1);
$this->assertTrue($workshop2->check_group_membership($student1->id));
$this->assertTrue($workshop2->check_group_membership($student2->id));
$this->assertTrue($workshop2->check_group_membership($student3->id));
// Workshop in separate groups mode.
$workshopitem3 = $this->getDataGenerator()->create_module('workshop', ['course' => $courseid, 'groupmode' => SEPARATEGROUPS]);
$cm = get_coursemodule_from_instance('workshop', $workshopitem3->id, $courseid, false, MUST_EXIST);
$workshop3 = new testable_workshop($workshopitem3, $cm, $this->course);
$this->setUser($teacher1);
$this->assertTrue($workshop3->check_group_membership($student1->id));
$this->assertTrue($workshop3->check_group_membership($student2->id));
$this->assertTrue($workshop3->check_group_membership($student3->id));
$this->setUser($tutor1);
$this->assertTrue($workshop3->check_group_membership($student1->id));
$this->assertFalse($workshop3->check_group_membership($student2->id));
$this->assertFalse($workshop3->check_group_membership($student3->id));
$this->setUser($tutor2);
$this->assertFalse($workshop3->check_group_membership($student1->id));
$this->assertTrue($workshop3->check_group_membership($student2->id));
$this->assertFalse($workshop3->check_group_membership($student3->id));
}
public function test_remove_competency_from_template()
{
$syscontext = context_system::instance();
$this->setUser($this->creator);
$lpg = $this->getDataGenerator()->get_plugin_generator('core_competency');
// Create a template.
$template = $this->create_template(1, true);
// Create a competency.
$framework = $lpg->create_framework();
$competency = $lpg->create_competency(array('competencyframeworkid' => $framework->get_id()));
// Add the competency.
external::add_competency_to_template($template->id, $competency->get_id());
// Check that it was added.
$this->assertEquals(1, external::count_competencies_in_template($template->id));
// Check that we can remove the competency.
external::remove_competency_from_template($template->id, $competency->get_id());
// Check that it was removed.
$this->assertEquals(0, external::count_competencies_in_template($template->id));
// Unassign capability.
unassign_capability('moodle/competency:templatemanage', $this->creatorrole, $syscontext->id);
accesslib_clear_all_caches_for_unit_testing();
// Check we can not remove the competency now.
try {
external::add_competency_to_template($template->id, $competency->get_id());
$this->fail('Exception expected due to not permissions to manage template competencies');
} catch (moodle_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
}
/**
* Setup function- we will create a course and add an assign instance to it.
*/
protected function setUp()
{
global $DB;
$this->resetAfterTest(true);
// Create some users.
$creator = $this->getDataGenerator()->create_user();
$user = $this->getDataGenerator()->create_user();
$catuser = $this->getDataGenerator()->create_user();
$catcreator = $this->getDataGenerator()->create_user();
$category = $this->getDataGenerator()->create_category();
$othercategory = $this->getDataGenerator()->create_category();
$syscontext = context_system::instance();
$catcontext = context_coursecat::instance($category->id);
// Fetching default authenticated user role.
$userroles = get_archetype_roles('user');
$this->assertCount(1, $userroles);
$authrole = array_pop($userroles);
// Reset all default authenticated users permissions.
unassign_capability('moodle/competency:competencygrade', $authrole->id);
unassign_capability('moodle/competency:competencymanage', $authrole->id);
unassign_capability('moodle/competency:competencyview', $authrole->id);
unassign_capability('moodle/competency:planmanage', $authrole->id);
unassign_capability('moodle/competency:planmanagedraft', $authrole->id);
unassign_capability('moodle/competency:planmanageown', $authrole->id);
unassign_capability('moodle/competency:planview', $authrole->id);
unassign_capability('moodle/competency:planviewdraft', $authrole->id);
unassign_capability('moodle/competency:planviewown', $authrole->id);
unassign_capability('moodle/competency:planviewowndraft', $authrole->id);
unassign_capability('moodle/competency:templatemanage', $authrole->id);
unassign_capability('moodle/competency:templateview', $authrole->id);
unassign_capability('moodle/cohort:manage', $authrole->id);
unassign_capability('moodle/competency:coursecompetencyconfigure', $authrole->id);
// Creating specific roles.
$this->creatorrole = create_role('Creator role', 'lpcreatorrole', 'learning plan creator role description');
$this->userrole = create_role('User role', 'lpuserrole', 'learning plan user role description');
assign_capability('moodle/competency:competencymanage', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:competencycompetencyconfigure', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:planmanage', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:planmanagedraft', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:planmanageown', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:planview', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:planviewdraft', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:templatemanage', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:competencygrade', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/cohort:manage', CAP_ALLOW, $this->creatorrole, $syscontext->id);
assign_capability('moodle/competency:competencyview', CAP_ALLOW, $this->userrole, $syscontext->id);
assign_capability('moodle/competency:templateview', CAP_ALLOW, $this->userrole, $syscontext->id);
assign_capability('moodle/competency:planviewown', CAP_ALLOW, $this->userrole, $syscontext->id);
assign_capability('moodle/competency:planviewowndraft', CAP_ALLOW, $this->userrole, $syscontext->id);
role_assign($this->creatorrole, $creator->id, $syscontext->id);
role_assign($this->creatorrole, $catcreator->id, $catcontext->id);
role_assign($this->userrole, $user->id, $syscontext->id);
role_assign($this->userrole, $catuser->id, $catcontext->id);
$this->creator = $creator;
$this->catcreator = $catcreator;
$this->user = $user;
$this->catuser = $catuser;
$this->category = $category;
$this->othercategory = $othercategory;
accesslib_clear_all_caches_for_unit_testing();
}
/**
* Test get_item_ratings
*/
public function test_get_item_ratings()
{
global $DB, $USER;
$this->resetAfterTest(true);
$course = self::getDataGenerator()->create_course();
$student = $this->getDataGenerator()->create_user();
$teacher1 = $this->getDataGenerator()->create_user();
$teacher2 = $this->getDataGenerator()->create_user();
$teacher3 = $this->getDataGenerator()->create_user();
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$teacherrole = $DB->get_record('role', array('shortname' => 'teacher'));
unassign_capability('moodle/site:accessallgroups', $teacherrole->id);
$this->getDataGenerator()->enrol_user($student->id, $course->id, $studentrole->id);
$this->getDataGenerator()->enrol_user($teacher1->id, $course->id, $teacherrole->id);
$this->getDataGenerator()->enrol_user($teacher2->id, $course->id, $teacherrole->id);
$this->getDataGenerator()->enrol_user($teacher3->id, $course->id, $teacherrole->id);
// Create the forum.
$record = new stdClass();
$record->introformat = FORMAT_HTML;
$record->course = $course->id;
// Set Aggregate type = Average of ratings.
$record->assessed = RATING_AGGREGATE_AVERAGE;
$forum = self::getDataGenerator()->create_module('forum', $record);
$contextid = context_module::instance($forum->cmid)->id;
// Add discussion to the forums.
$record = new stdClass();
$record->course = $course->id;
$record->userid = $student->id;
$record->forum = $forum->id;
$discussion = self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);
// Retrieve the first post.
$post = $DB->get_record('forum_posts', array('discussion' => $discussion->id));
// Rete the discussion as teacher1.
$rating1 = new stdClass();
$rating1->contextid = $contextid;
$rating1->component = 'mod_forum';
$rating1->ratingarea = 'post';
$rating1->itemid = $post->id;
$rating1->rating = 90;
$rating1->scaleid = 100;
$rating1->userid = $teacher1->id;
$rating1->timecreated = time();
$rating1->timemodified = time();
$rating1->id = $DB->insert_record('rating', $rating1);
// Rete the discussion as teacher2.
$rating2 = new stdClass();
$rating2->contextid = $contextid;
$rating2->component = 'mod_forum';
$rating2->ratingarea = 'post';
$rating2->itemid = $post->id;
$rating2->rating = 95;
$rating2->scaleid = 100;
$rating2->userid = $teacher2->id;
$rating2->timecreated = time() + 1;
$rating2->timemodified = time() + 1;
$rating2->id = $DB->insert_record('rating', $rating2);
// Delete teacher2, we must still receive the ratings.
delete_user($teacher2);
// Teachers can see all the ratings.
$this->setUser($teacher1);
$ratings = core_rating_external::get_item_ratings('module', $forum->cmid, 'mod_forum', 'post', $post->id, 100, '');
// We need to execute the return values cleaning process to simulate the web service server.
$ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);
$this->assertCount(2, $ratings['ratings']);
$indexedratings = array();
foreach ($ratings['ratings'] as $rating) {
$indexedratings[$rating['id']] = $rating;
}
$this->assertEquals($rating1->rating . ' / ' . $rating1->scaleid, $indexedratings[$rating1->id]['rating']);
$this->assertEquals($rating2->rating . ' / ' . $rating2->scaleid, $indexedratings[$rating2->id]['rating']);
$this->assertEquals($rating1->userid, $indexedratings[$rating1->id]['userid']);
$this->assertEquals($rating2->userid, $indexedratings[$rating2->id]['userid']);
// Student can see ratings.
$this->setUser($student);
$ratings = core_rating_external::get_item_ratings('module', $forum->cmid, 'mod_forum', 'post', $post->id, 100, '');
// We need to execute the return values cleaning process to simulate the web service server.
$ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);
$this->assertCount(2, $ratings['ratings']);
// Invalid item.
try {
$ratings = core_rating_external::get_item_ratings('module', $forum->cmid, 'mod_forum', 'post', 0, 100, '');
$this->fail('Exception expected due invalid itemid.');
} catch (moodle_exception $e) {
$this->assertEquals('invalidrecord', $e->errorcode);
}
// Invalid area.
try {
$ratings = core_rating_external::get_item_ratings('module', $forum->cmid, 'mod_forum', 'xyz', $post->id, 100, '');
$this->fail('Exception expected due invalid rating area.');
} catch (moodle_exception $e) {
$this->assertEquals('invalidratingarea', $e->errorcode);
}
// Invalid context. invalid_parameter_exception.
try {
$ratings = core_rating_external::get_item_ratings('module', 0, 'mod_forum', 'post', $post->id, 100, '');
$this->fail('Exception expected due invalid context.');
} catch (invalid_parameter_exception $e) {
$this->assertEquals('invalidparameter', $e->errorcode);
}
// Test for groupmode.
set_coursemodule_groupmode($forum->cmid, SEPARATEGROUPS);
$group = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
groups_add_member($group, $teacher1);
$discussion->groupid = $group->id;
$DB->update_record('forum_discussions', $discussion);
// Error for teacher3 and 2 ratings for teacher1 should be returned.
$this->setUser($teacher1);
$ratings = core_rating_external::get_item_ratings('module', $forum->cmid, 'mod_forum', 'post', $post->id, 100, '');
// We need to execute the return values cleaning process to simulate the web service server.
$ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);
$this->assertCount(2, $ratings['ratings']);
$this->setUser($teacher3);
try {
$ratings = core_rating_external::get_item_ratings('module', $forum->cmid, 'mod_forum', 'post', $post->id, 100, '');
$this->fail('Exception expected due invalid group permissions.');
} catch (moodle_exception $e) {
$this->assertEquals('noviewrate', $e->errorcode);
}
}
/**
* Revokes the capability assignment.
*/
public function revoke()
{
foreach ($this->capability as $capability) {
unassign_capability($capability, $this->roleid, $this->contextid);
}
accesslib_clear_all_caches_for_unit_testing();
}
/**
* Deletes cached capabilities that are no longer needed by the component.
* Also unassigns these capabilities from any roles that have them.
* @param $component - examples: 'moodle', 'mod/forum', 'block/quiz_results'
* @param $newcapdef - array of the new capability definitions that will be
* compared with the cached capabilities
* @return int - number of deprecated capabilities that have been removed
*/
function capabilities_cleanup($component, $newcapdef = NULL)
{
$removedcount = 0;
if ($cachedcaps = get_cached_capabilities($component)) {
foreach ($cachedcaps as $cachedcap) {
if (empty($newcapdef) || array_key_exists($cachedcap->name, $newcapdef) === false) {
// Remove from capabilities cache.
if (!delete_records('capabilities', 'name', $cachedcap->name)) {
error('Could not delete deprecated capability ' . $cachedcap->name);
} else {
$removedcount++;
}
// Delete from roles.
if ($roles = get_roles_with_capability($cachedcap->name)) {
foreach ($roles as $role) {
if (!unassign_capability($cachedcap->name, $role->id)) {
error('Could not unassign deprecated capability ' . $cachedcap->name . ' from role ' . $role->name);
}
}
}
}
// End if.
}
}
return $removedcount;
}
public function test_reorder_template_competencies_permissions()
{
$this->resetAfterTest(true);
$dg = $this->getDataGenerator();
$lpg = $this->getDataGenerator()->get_plugin_generator('core_competency');
$cat = $dg->create_category();
$catcontext = context_coursecat::instance($cat->id);
$syscontext = context_system::instance();
$user = $dg->create_user();
$role = $dg->create_role();
assign_capability('moodle/competency:templatemanage', CAP_ALLOW, $role, $syscontext->id, true);
$dg->role_assign($role, $user->id, $syscontext->id);
// Create a template.
$template = $lpg->create_template(array('contextid' => $catcontext->id));
// Create a competency framework.
$framework = $lpg->create_framework(array('contextid' => $catcontext->id));
// Create competencies.
$competency1 = $lpg->create_competency(array('competencyframeworkid' => $framework->get_id()));
$competency2 = $lpg->create_competency(array('competencyframeworkid' => $framework->get_id()));
// Add the competencies.
$lpg->create_template_competency(array('templateid' => $template->get_id(), 'competencyid' => $competency1->get_id()));
$lpg->create_template_competency(array('templateid' => $template->get_id(), 'competencyid' => $competency2->get_id()));
$this->setUser($user);
// Can reorder competencies with system context permissions in category context.
$result = api::reorder_template_competency($template->get_id(), $competency2->get_id(), $competency1->get_id());
$this->assertTrue($result);
unassign_capability('moodle/competency:templatemanage', $role, $syscontext->id);
accesslib_clear_all_caches_for_unit_testing();
try {
api::reorder_template_competency($template->get_id(), $competency2->get_id(), $competency1->get_id());
$this->fail('Exception expected due to not permissions to manage template competencies');
} catch (required_capability_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
// Giving permissions in category context.
assign_capability('moodle/competency:templatemanage', CAP_ALLOW, $role, $catcontext->id, true);
$dg->role_assign($role, $user->id, $catcontext->id);
// User with templatemanage capability in category context can reorder competencies in temple.
$result = api::reorder_template_competency($template->get_id(), $competency1->get_id(), $competency2->get_id());
$this->assertTrue($result);
// Removing templatemanage capability in category context.
unassign_capability('moodle/competency:templatemanage', $role, $catcontext->id);
accesslib_clear_all_caches_for_unit_testing();
try {
api::reorder_template_competency($template->get_id(), $competency2->get_id(), $competency1->get_id());
$this->fail('Exception expected due to not permissions to manage template competencies');
} catch (required_capability_exception $e) {
$this->assertEquals('nopermissions', $e->errorcode);
}
}
/**
* When called resets all custom roles as per definition set down in /local/roles.php
*
* Note that this uses the non-core role.custom field to isolate roles to remove.
*
* Utilise the $path parameter to allow for localisation (i.e. different roles defintion than core).
*
* Sort order is reset based on the order listed in the defintion.
*
* WARNING: as long as you retain the same shortname existing user role assigments will
* be retained. if you change the shortname they will be lost.
*
* KNOWN ISSUE: we rely on shortname being unique, but this is not enforced by the db.
* this is more a problem with moodle.
*
* @param text $path
*
*/
function tao_reset_custom_roles($path = 'local')
{
global $CFG;
if (!get_site()) {
// not finished installing, skip
return true;
}
// get latest role definition from roles file
$rolespath = $CFG->dirroot . '/' . $path . '/roles.php';
if (!file_exists($rolespath)) {
debugging("Local caps reassignment called with invalid path {$path}");
return false;
}
require_once $rolespath;
if (!isset($customroles)) {
return true;
// nothing to do.
}
$undeletableroles = array();
$undeletableroles[$CFG->notloggedinroleid] = 1;
$undeletableroles[$CFG->guestroleid] = 1;
$undeletableroles[$CFG->defaultuserroleid] = 1;
$undeletableroles[$CFG->defaultcourseroleid] = 1;
// If there is only one admin role, add that to $undeletableroles too.
$adminroles = get_admin_roles();
if (count($adminroles) == 1) {
$undeletableroles[reset($adminroles)->id] = 1;
}
// get recordset of existing custom roles
$sql = "SELECT id, name, shortname, description, sortorder, custom\n FROM {$CFG->prefix}role\n WHERE custom IS NOT NULL";
$roles = get_records_sql($sql);
// remove custom roles that are not in the latest definition
foreach ($roles as $role) {
// check whether this role is in the latest definition
if (array_key_exists($role->shortname, $customroles)) {
continue;
}
// extra safety: check undeletable roles
if (isset($undeletableroles[$role->id])) {
continue;
}
delete_role($role->id);
}
// hack to avoid sortorder unique constraint
execute_sql("UPDATE {$CFG->prefix}role SET sortorder = (sortorder+1000) WHERE custom IS NOT NULL");
// set sortorder to current highest value
$sortorder = get_field_sql("SELECT " . sql_max('sortorder') . " FROM {$CFG->prefix}role WHERE custom IS NULL");
// now loop through the new settings
foreach ($customroles as $shortname => $role) {
$sortorder++;
// get the roleid
$roleid = get_field('role', 'id', 'shortname', $shortname);
// if exists then make updates
if (!empty($roleid)) {
// only update fields that have been set
if (isset($role['name'])) {
set_field('role', 'name', $role['name'], 'shortname', $shortname);
}
if (isset($role['description'])) {
set_field('role', 'description', $role['description'], 'shortname', $shortname);
}
// reset sortorder
set_field('role', 'sortorder', $sortorder, 'shortname', $shortname);
// else create record
} else {
$newrole = new stdclass();
$newrole->name = $role['name'];
$newrole->shortname = $shortname;
$newrole->description = $role['description'];
$newrole->sortorder = $sortorder;
$newrole->custom = 1;
$roleid = insert_record('role', $newrole);
}
// remove any previously set legacy roles
$legacyroles = get_legacy_roles();
foreach ($legacyroles as $ltype => $lcap) {
unassign_capability($lcap, $roleid);
}
// reset legacy role
if (isset($role['legacy'])) {
$legacycap = $legacyroles[$role['legacy']];
$context = get_context_instance(CONTEXT_SYSTEM);
assign_capability($legacycap, CAP_ALLOW, $roleid, $context->id);
}
// update the context settings
set_role_contextlevels($roleid, $role['context']);
// e.g. array(CONTEXT_SYSTEM, CONTEXT_COURSECAT)
// set allow assigns
if (is_array($role['canassign'])) {
// delete existing
delete_records('role_allow_assign', 'allowassign', $roleid);
foreach ($role['canassign'] as $canassign) {
$canassignid = get_field('role', 'id', 'shortname', $canassign);
allow_assign($canassignid, $roleid);
}
}
}
// reset custom capabilities to keep up with changes
return tao_reset_capabilities();
}
public function test_get_notified_users()
{
global $CFG, $DB;
$capability = 'mod/assign:receivegradernotifications';
$coursecontext = context_course::instance($this->course->id);
$role = $DB->get_record('role', array('shortname' => 'teacher'));
$this->create_extra_users();
$this->setUser($this->editingteachers[0]);
// Create an assignment with no groups.
$assign = $this->create_instance();
$this->assertCount(self::DEFAULT_TEACHER_COUNT + self::DEFAULT_EDITING_TEACHER_COUNT + self::EXTRA_TEACHER_COUNT + self::EXTRA_EDITING_TEACHER_COUNT, $assign->testable_get_notifiable_users($this->students[0]->id));
// Change nonediting teachers role to not receive grader notifications.
assign_capability($capability, CAP_PROHIBIT, $role->id, $coursecontext);
$this->assertCount(self::DEFAULT_EDITING_TEACHER_COUNT + self::EXTRA_EDITING_TEACHER_COUNT, $assign->testable_get_notifiable_users($this->students[0]->id));
// Reset nonediting teachers role to default.
unassign_capability($capability, $role->id, $coursecontext);
// Force create an assignment with SEPARATEGROUPS.
$data = new stdClass();
$data->courseid = $this->course->id;
$data->name = 'Grouping';
$groupingid = groups_create_grouping($data);
groups_assign_grouping($groupingid, $this->groups[0]->id);
$assign = $this->create_instance(array('groupingid' => $groupingid, 'groupmode' => SEPARATEGROUPS));
$this->setUser($this->students[1]);
$this->assertCount(4, $assign->testable_get_notifiable_users($this->students[0]->id));
// Note the second student is in a group that is not in the grouping.
// This means that we get all graders that are not in a group in the grouping.
$this->assertCount(10, $assign->testable_get_notifiable_users($this->students[1]->id));
// Change nonediting teachers role to not receive grader notifications.
assign_capability($capability, CAP_PROHIBIT, $role->id, $coursecontext);
$this->assertCount(2, $assign->testable_get_notifiable_users($this->students[0]->id));
// Note the second student is in a group that is not in the grouping.
// This means that we get all graders that are not in a group in the grouping.
$this->assertCount(5, $assign->testable_get_notifiable_users($this->students[1]->id));
}
/**
* Tests the user can't post a message without proper capability.
*/
public function test_can_post_message_without_cap()
{
global $DB;
// Create some users.
$user1 = self::getDataGenerator()->create_user();
$user2 = self::getDataGenerator()->create_user();
// Set as the user 1.
$this->setUser($user1);
// Remove the capability to send a message.
$roleids = $DB->get_records_menu('role', null, '', 'shortname, id');
unassign_capability('moodle/site:sendmessage', $roleids['user'], context_system::instance());
// Check that we can not post a message without the capability.
$this->assertFalse(\core_message\api::can_post_message($user2));
}
/**
* Tests for mod_forum_rating_can_see_item_ratings().
*
* @throws coding_exception
* @throws rating_exception
*/
public function test_mod_forum_rating_can_see_item_ratings()
{
global $DB;
$this->resetAfterTest();
// Setup test data.
$course = new stdClass();
$course->groupmode = SEPARATEGROUPS;
$course->groupmodeforce = true;
$course = $this->getDataGenerator()->create_course($course);
$forum = $this->getDataGenerator()->create_module('forum', array('course' => $course->id));
$generator = self::getDataGenerator()->get_plugin_generator('mod_forum');
$cm = get_coursemodule_from_instance('forum', $forum->id);
$context = context_module::instance($cm->id);
// Create users.
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$user3 = $this->getDataGenerator()->create_user();
$user4 = $this->getDataGenerator()->create_user();
// Groups and stuff.
$role = $DB->get_record('role', array('shortname' => 'teacher'), '*', MUST_EXIST);
$this->getDataGenerator()->enrol_user($user1->id, $course->id, $role->id);
$this->getDataGenerator()->enrol_user($user2->id, $course->id, $role->id);
$this->getDataGenerator()->enrol_user($user3->id, $course->id, $role->id);
$this->getDataGenerator()->enrol_user($user4->id, $course->id, $role->id);
$group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
$group2 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
groups_add_member($group1, $user1);
groups_add_member($group1, $user2);
groups_add_member($group2, $user3);
groups_add_member($group2, $user4);
$record = new stdClass();
$record->course = $forum->course;
$record->forum = $forum->id;
$record->userid = $user1->id;
$record->groupid = $group1->id;
$discussion = $generator->create_discussion($record);
// Retrieve the first post.
$post = $DB->get_record('forum_posts', array('discussion' => $discussion->id));
$ratingoptions = new stdClass();
$ratingoptions->context = $context;
$ratingoptions->ratingarea = 'post';
$ratingoptions->component = 'mod_forum';
$ratingoptions->itemid = $post->id;
$ratingoptions->scaleid = 2;
$ratingoptions->userid = $user2->id;
$rating = new rating($ratingoptions);
$rating->update_rating(2);
// Now try to access it as various users.
unassign_capability('moodle/site:accessallgroups', $role->id);
$params = array('contextid' => 2, 'component' => 'mod_forum', 'ratingarea' => 'post', 'itemid' => $post->id, 'scaleid' => 2);
$this->setUser($user1);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user2);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user3);
$this->assertFalse(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user4);
$this->assertFalse(mod_forum_rating_can_see_item_ratings($params));
// Now try with accessallgroups cap and make sure everything is visible.
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $role->id, $context->id);
$this->setUser($user1);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user2);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user3);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user4);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
// Change group mode and verify visibility.
$course->groupmode = VISIBLEGROUPS;
$DB->update_record('course', $course);
unassign_capability('moodle/site:accessallgroups', $role->id);
$this->setUser($user1);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user2);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user3);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
$this->setUser($user4);
$this->assertTrue(mod_forum_rating_can_see_item_ratings($params));
}
/**
* A small functional test of accesslib functions and classes.
*/
public function test_everything_in_accesslib()
{
global $USER, $SITE, $CFG, $DB, $ACCESSLIB_PRIVATE;
// First of all finalize the session, we must not carry over any of this mess to the next page via SESSION!!!
session_get_instance()->write_close();
// hack - this is going to take very long time
set_time_limit(3600);
// Get rid of current user that would not work anyway,
// do NOT even think about using $this->switch_global_user_id()!
if (!isset($this->accesslibprevuser)) {
$this->accesslibprevuser = clone $USER;
$USER = new stdClass();
$USER->id = 0;
}
// Backup $SITE global
if (!isset($this->accesslibprevsite)) {
$this->accesslibprevsite = $SITE;
}
// Switch DB, if it somehow fails or you specified wrong unittest prefix it will nuke real data, you have been warned!
$this->switch_to_test_db();
// Let's switch the CFG
$prevcfg = clone $CFG;
$this->switch_to_test_cfg();
$CFG->config_php_settings = $prevcfg->config_php_settings;
$CFG->noemailever = true;
$CFG->admin = $prevcfg->admin;
$CFG->lang = 'en';
$CFG->tempdir = $prevcfg->tempdir;
$CFG->cachedir = $prevcfg->cachedir;
$CFG->directorypermissions = $prevcfg->directorypermissions;
$CFG->filepermissions = $prevcfg->filepermissions;
// Reset all caches
accesslib_clear_all_caches_for_unit_testing();
// Add some core tables - this is known to break constantly because we keep adding dependencies...
$tablenames = array('config', 'config_plugins', 'modules', 'course', 'course_modules', 'course_sections', 'course_categories', 'mnet_host', 'mnet_application', 'capabilities', 'context', 'context_temp', 'role', 'role_capabilities', 'role_allow_switch', 'license', 'my_pages', 'block', 'block_instances', 'block_positions', 'role_allow_assign', 'role_allow_override', 'role_assignments', 'role_context_levels', 'enrol', 'user_enrolments', 'filter_active', 'filter_config', 'comments', 'user', 'groups_members', 'cache_flags', 'events_handlers', 'user_lastaccess', 'rating', 'files', 'role_names', 'user_preferences');
$this->create_test_tables($tablenames, 'lib');
// Create all core default records and default settings
require_once "{$CFG->libdir}/db/install.php";
xmldb_main_install();
// installs the capabilities too
// Fake mod_page install
$tablenames = array('page');
$this->create_test_tables($tablenames, 'mod/page');
$module = new stdClass();
require $CFG->dirroot . '/mod/page/version.php';
$module->name = 'page';
$pagemoduleid = $DB->insert_record('modules', $module);
update_capabilities('mod_page');
// Fake block_online_users install
$plugin = new stdClass();
$plugin->version = NULL;
$plugin->cron = 0;
include $CFG->dirroot . '/blocks/online_users/version.php';
$plugin->name = 'online_users';
$onlineusersblockid = $DB->insert_record('block', $plugin);
update_capabilities('block_online_users');
// Finish roles setup
set_config('defaultfrontpageroleid', $DB->get_field('role', 'id', array('archetype' => 'frontpage')));
set_config('defaultuserroleid', $DB->get_field('role', 'id', array('archetype' => 'user')));
set_config('notloggedinroleid', $DB->get_field('role', 'id', array('archetype' => 'guest')));
set_config('rolesactive', 1);
// Init manual enrol
set_config('status', ENROL_INSTANCE_ENABLED, 'enrol_manual');
set_config('defaultperiod', 0, 'enrol_manual');
$manualenrol = enrol_get_plugin('manual');
// Fill the site with some real data
$testcategories = array();
$testcourses = array();
$testpages = array();
$testblocks = array();
$allroles = $DB->get_records_menu('role', array(), 'id', 'archetype, id');
$systemcontext = context_system::instance();
$frontpagecontext = context_course::instance(SITEID);
// Add block to system context
$bi = new stdClass();
$bi->blockname = 'online_users';
$bi->parentcontextid = $systemcontext->id;
$bi->showinsubcontexts = 1;
$bi->pagetypepattern = '';
$bi->subpagepattern = '';
$bi->defaultregion = '';
$bi->defaultweight = 0;
$bi->configdata = '';
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
// Some users
$testusers = array();
for ($i = 0; $i < 20; $i++) {
$user = new stdClass();
$user->auth = 'manual';
$user->firstname = 'user' . $i;
$user->lastname = 'user' . $i;
$user->username = '******' . $i;
$user->password = '******';
$user->email = "user{$i}@example.com";
$user->confirmed = 1;
$user->mnethostid = $CFG->mnet_localhost_id;
$user->lang = $CFG->lang;
$user->maildisplay = 1;
$user->timemodified = time();
$user->deleted = 0;
$user->lastip = '0.0.0.0';
$userid = $DB->insert_record('user', $user);
$testusers[$i] = $userid;
$usercontext = context_user::instance($userid);
// Add block to user profile
$bi->parentcontextid = $usercontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
}
// Deleted user - should be ignored everywhere, can not have context
$user = new stdClass();
$user->auth = 'manual';
$user->firstname = '';
$user->lastname = '';
$user->username = '******';
$user->password = '';
$user->email = '';
$user->confirmed = 1;
$user->mnethostid = $CFG->mnet_localhost_id;
$user->lang = $CFG->lang;
$user->maildisplay = 1;
$user->timemodified = time();
$user->deleted = 1;
$user->lastip = '0.0.0.0';
$DB->insert_record('user', $user);
unset($user);
// Add block to frontpage
$bi->parentcontextid = $frontpagecontext->id;
$biid = $DB->insert_record('block_instances', $bi);
$frontpageblockcontext = context_block::instance($biid);
$testblocks[] = $biid;
// Add a resource to frontpage
$page = new stdClass();
$page->course = $SITE->id;
$page->intro = '...';
$page->introformat = FORMAT_HTML;
$page->content = '...';
$page->contentformat = FORMAT_HTML;
$pageid = $DB->insert_record('page', $page);
$testpages[] = $pageid;
$cm = new stdClass();
$cm->course = $SITE->id;
$cm->module = $pagemoduleid;
$cm->section = 1;
$cm->instance = $pageid;
$cmid = $DB->insert_record('course_modules', $cm);
$frontpagepagecontext = context_module::instance($cmid);
// Add block to frontpage resource
$bi->parentcontextid = $frontpagepagecontext->id;
$biid = $DB->insert_record('block_instances', $bi);
$frontpagepageblockcontext = context_block::instance($biid);
$testblocks[] = $biid;
// Some nested course categories with courses
require_once "{$CFG->dirroot}/course/lib.php";
$path = '';
$parentcat = 0;
for ($i = 0; $i < 5; $i++) {
$cat = new stdClass();
$cat->name = 'category' . $i;
$cat->parent = $parentcat;
$cat->depth = $i + 1;
$cat->sortorder = MAX_COURSES_IN_CATEGORY * ($i + 2);
$cat->timemodified = time();
$catid = $DB->insert_record('course_categories', $cat);
$path = $path . '/' . $catid;
$DB->set_field('course_categories', 'path', $path, array('id' => $catid));
$parentcat = $catid;
$testcategories[] = $catid;
$catcontext = context_coursecat::instance($catid);
if ($i >= 4) {
continue;
}
// Add resource to each category
$bi->parentcontextid = $catcontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
// Add a few courses to each category
for ($j = 0; $j < 6; $j++) {
$course = new stdClass();
$course->fullname = 'course' . $j;
$course->shortname = 'c' . $j;
$course->summary = 'bah bah bah';
$course->newsitems = 0;
$course->numsections = 1;
$course->category = $catid;
$course->format = 'topics';
$course->timecreated = time();
$course->visible = 1;
$course->timemodified = $course->timecreated;
$courseid = $DB->insert_record('course', $course);
$section = new stdClass();
$section->course = $courseid;
$section->section = 0;
$section->summaryformat = FORMAT_HTML;
$DB->insert_record('course_sections', $section);
$section->section = 1;
$DB->insert_record('course_sections', $section);
$testcourses[] = $courseid;
$coursecontext = context_course::instance($courseid);
if ($j >= 5) {
continue;
}
// Add manual enrol instance
$manualenrol->add_default_instance($DB->get_record('course', array('id' => $courseid)));
// Add block to each course
$bi->parentcontextid = $coursecontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
// Add a resource to each course
$page->course = $courseid;
$pageid = $DB->insert_record('page', $page);
$testpages[] = $pageid;
$cm->course = $courseid;
$cm->instance = $pageid;
$cm->id = $DB->insert_record('course_modules', $cm);
$modcontext = context_module::instance($cm->id);
// Add block to each module
$bi->parentcontextid = $modcontext->id;
$biid = $DB->insert_record('block_instances', $bi);
context_block::instance($biid);
$testblocks[] = $biid;
}
}
// Make sure all contexts were created properly
$count = 1;
//system
$count += $DB->count_records('user', array('deleted' => 0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEqual($DB->count_records('context'), $count);
$this->assertEqual($DB->count_records('context', array('depth' => 0)), 0);
$this->assertEqual($DB->count_records('context', array('path' => NULL)), 0);
// ====== context_helper::get_level_name() ================================
$levels = context_helper::get_all_levels();
foreach ($levels as $level => $classname) {
$name = context_helper::get_level_name($level);
$this->assertFalse(empty($name));
}
// ======= context::instance_by_id(), context_xxx::instance();
$context = context::instance_by_id($frontpagecontext->id);
$this->assertidentical($context->contextlevel, CONTEXT_COURSE);
$this->assertFalse(context::instance_by_id(-1, IGNORE_MISSING));
try {
context::instance_by_id(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertTrue(context_system::instance() instanceof context_system);
$this->assertTrue(context_coursecat::instance($testcategories[0]) instanceof context_coursecat);
$this->assertTrue(context_course::instance($testcourses[0]) instanceof context_course);
$this->assertTrue(context_module::instance($testpages[0]) instanceof context_module);
$this->assertTrue(context_block::instance($testblocks[0]) instanceof context_block);
$this->assertFalse(context_coursecat::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_course::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_module::instance(-1, IGNORE_MISSING));
$this->assertFalse(context_block::instance(-1, IGNORE_MISSING));
try {
context_coursecat::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_course::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_module::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
try {
context_block::instance(-1);
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
// ======= $context->get_url(), $context->get_context_name(), $context->get_capabilities() =========
$testcontexts = array();
$testcontexts[CONTEXT_SYSTEM] = context_system::instance();
$testcontexts[CONTEXT_COURSECAT] = context_coursecat::instance($testcategories[0]);
$testcontexts[CONTEXT_COURSE] = context_course::instance($testcourses[0]);
$testcontexts[CONTEXT_MODULE] = context_module::instance($testpages[0]);
$testcontexts[CONTEXT_BLOCK] = context_block::instance($testblocks[0]);
foreach ($testcontexts as $context) {
$name = $context->get_context_name(true, true);
$this->assertFalse(empty($name));
$this->assertTrue($context->get_url() instanceof moodle_url);
$caps = $context->get_capabilities();
$this->assertTrue(is_array($caps));
foreach ($caps as $cap) {
$cap = (array) $cap;
$this->assertIdentical(array_keys($cap), array('id', 'name', 'captype', 'contextlevel', 'component', 'riskbitmask'));
}
}
unset($testcontexts);
// ===== $context->get_course_context() =========================================
$this->assertFalse($systemcontext->get_course_context(false));
try {
$systemcontext->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$context = context_coursecat::instance($testcategories[0]);
$this->assertFalse($context->get_course_context(false));
try {
$context->get_course_context();
$this->fail('exception expected');
} catch (Exception $e) {
$this->assertTrue(true);
}
$this->assertIdentical($frontpagecontext->get_course_context(true), $frontpagecontext);
$this->assertIdentical($frontpagepagecontext->get_course_context(true), $frontpagecontext);
$this->assertIdentical($frontpagepageblockcontext->get_course_context(true), $frontpagecontext);
// ======= $context->get_parent_context(), $context->get_parent_contexts(), $context->get_parent_context_ids() =======
$userid = reset($testusers);
$usercontext = context_user::instance($userid);
$this->assertIdentical($usercontext->get_parent_context(), $systemcontext);
$this->assertIdentical($usercontext->get_parent_contexts(), array($systemcontext->id => $systemcontext));
$this->assertIdentical($usercontext->get_parent_contexts(true), array($usercontext->id => $usercontext, $systemcontext->id => $systemcontext));
$this->assertIdentical($systemcontext->get_parent_contexts(), array());
$this->assertIdentical($systemcontext->get_parent_contexts(true), array($systemcontext->id => $systemcontext));
$this->assertIdentical($systemcontext->get_parent_context_ids(), array());
$this->assertIdentical($systemcontext->get_parent_context_ids(true), array($systemcontext->id));
$this->assertIdentical($frontpagecontext->get_parent_context(), $systemcontext);
$this->assertIdentical($frontpagecontext->get_parent_contexts(), array($systemcontext->id => $systemcontext));
$this->assertIdentical($frontpagecontext->get_parent_contexts(true), array($frontpagecontext->id => $frontpagecontext, $systemcontext->id => $systemcontext));
$this->assertIdentical($frontpagecontext->get_parent_context_ids(), array($systemcontext->id));
$this->assertEqual($frontpagecontext->get_parent_context_ids(true), array($frontpagecontext->id, $systemcontext->id));
$this->assertIdentical($systemcontext->get_parent_context(), false);
$frontpagecontext = context_course::instance($SITE->id);
$parent = $systemcontext;
foreach ($testcategories as $catid) {
$catcontext = context_coursecat::instance($catid);
$this->assertIdentical($catcontext->get_parent_context(), $parent);
$parent = $catcontext;
}
$this->assertIdentical($frontpagepagecontext->get_parent_context(), $frontpagecontext);
$this->assertIdentical($frontpageblockcontext->get_parent_context(), $frontpagecontext);
$this->assertIdentical($frontpagepageblockcontext->get_parent_context(), $frontpagepagecontext);
// ====== $context->get_child_contexts() ================================
$children = $systemcontext->get_child_contexts();
$this->assertEqual(count($children) + 1, $DB->count_records('context'));
$context = context_coursecat::instance($testcategories[3]);
$children = $context->get_child_contexts();
$countcats = 0;
$countcourses = 0;
$countblocks = 0;
foreach ($children as $child) {
if ($child->contextlevel == CONTEXT_COURSECAT) {
$countcats++;
}
if ($child->contextlevel == CONTEXT_COURSE) {
$countcourses++;
}
if ($child->contextlevel == CONTEXT_BLOCK) {
$countblocks++;
}
}
$this->assertEqual(count($children), 8);
$this->assertEqual($countcats, 1);
$this->assertEqual($countcourses, 6);
$this->assertEqual($countblocks, 1);
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$this->assertEqual(count($children), 3);
$context = context_module::instance($testpages[3]);
$children = $context->get_child_contexts();
$this->assertEqual(count($children), 1);
$context = context_block::instance($testblocks[1]);
$children = $context->get_child_contexts();
$this->assertEqual(count($children), 0);
unset($children);
unset($countcats);
unset($countcourses);
unset($countblocks);
// ======= context_helper::reset_caches() ============================
context_helper::reset_caches();
$this->assertEqual(context_inspection::test_context_cache_size(), 0);
context_course::instance($SITE->id);
$this->assertEqual(context_inspection::test_context_cache_size(), 1);
// ======= context preloading ========================================
context_helper::reset_caches();
$sql = "SELECT " . context_helper::get_preload_record_columns_sql('c') . "\n FROM {context} c\n WHERE c.contextlevel <> " . CONTEXT_SYSTEM;
$records = $DB->get_records_sql($sql);
$firstrecord = reset($records);
$columns = context_helper::get_preload_record_columns('c');
$firstrecord = (array) $firstrecord;
$this->assertIdentical(array_keys($firstrecord), array_values($columns));
context_helper::reset_caches();
foreach ($records as $record) {
context_helper::preload_from_record($record);
$this->assertIdentical($record, new stdClass());
}
$this->assertEqual(context_inspection::test_context_cache_size(), count($records));
unset($records);
unset($columns);
context_helper::reset_caches();
context_helper::preload_course($SITE->id);
$this->assertEqual(context_inspection::test_context_cache_size(), 4);
// ====== assign_capability(), unassign_capability() ====================
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertEqual($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext->id);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertEqual($rc->permission, CAP_ALLOW);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertEqual($rc->permission, CAP_PREVENT);
assign_capability('moodle/site:accessallgroups', CAP_INHERIT, $allroles['teacher'], $frontpagecontext);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertFalse($rc);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $allroles['teacher'], $frontpagecontext);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext, true);
$rc = $DB->get_record('role_capabilities', array('contextid' => $frontpagecontext->id, 'roleid' => $allroles['teacher'], 'capability' => 'moodle/site:accessallgroups'));
$this->assertFalse($rc);
unassign_capability('moodle/site:accessallgroups', $allroles['teacher'], $frontpagecontext->id, true);
unset($rc);
accesslib_clear_all_caches(false);
// must be done after assign_capability()
// ======= role_assign(), role_unassign(), role_unassign_all() ==============
$context = context_course::instance($testcourses[1]);
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 0);
role_assign($allroles['teacher'], $testusers[1], $context->id);
role_assign($allroles['teacher'], $testusers[2], $context->id);
role_assign($allroles['manager'], $testusers[1], $context->id);
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 3);
role_unassign($allroles['teacher'], $testusers[1], $context->id);
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 2);
role_unassign_all(array('contextid' => $context->id));
$this->assertEqual($DB->count_records('role_assignments', array('contextid' => $context->id)), 0);
unset($context);
accesslib_clear_all_caches(false);
// just in case
// ====== has_capability(), get_users_by_capability(), role_switch(), reload_all_capabilities() and friends ========================
$adminid = get_admin()->id;
$guestid = $CFG->siteguest;
// Enrol some users into some courses
$course1 = $DB->get_record('course', array('id' => $testcourses[22]), '*', MUST_EXIST);
$course2 = $DB->get_record('course', array('id' => $testcourses[7]), '*', MUST_EXIST);
$cms = $DB->get_records('course_modules', array('course' => $course1->id), 'id');
$cm1 = reset($cms);
$blocks = $DB->get_records('block_instances', array('parentcontextid' => context_module::instance($cm1->id)->id), 'id');
$block1 = reset($blocks);
$instance1 = $DB->get_record('enrol', array('enrol' => 'manual', 'courseid' => $course1->id));
$instance2 = $DB->get_record('enrol', array('enrol' => 'manual', 'courseid' => $course2->id));
for ($i = 0; $i < 9; $i++) {
$manualenrol->enrol_user($instance1, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance1, $testusers[8], $allroles['teacher']);
$manualenrol->enrol_user($instance1, $testusers[9], $allroles['editingteacher']);
for ($i = 10; $i < 15; $i++) {
$manualenrol->enrol_user($instance2, $testusers[$i], $allroles['student']);
}
$manualenrol->enrol_user($instance2, $testusers[15], $allroles['editingteacher']);
// Add tons of role assignments - the more the better
role_assign($allroles['coursecreator'], $testusers[11], context_coursecat::instance($testcategories[2]));
role_assign($allroles['manager'], $testusers[12], context_coursecat::instance($testcategories[1]));
role_assign($allroles['student'], $testusers[9], context_module::instance($cm1->id));
role_assign($allroles['teacher'], $testusers[8], context_module::instance($cm1->id));
role_assign($allroles['guest'], $testusers[13], context_course::instance($course1->id));
role_assign($allroles['teacher'], $testusers[7], context_block::instance($block1->id));
role_assign($allroles['manager'], $testusers[9], context_block::instance($block1->id));
role_assign($allroles['editingteacher'], $testusers[9], context_course::instance($course1->id));
role_assign($allroles['teacher'], $adminid, context_course::instance($course1->id));
role_assign($allroles['editingteacher'], $adminid, context_block::instance($block1->id));
// Add tons of overrides - the more the better
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpageblockcontext, true);
assign_capability('moodle/block:view', CAP_PROHIBIT, $allroles['guest'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['user'], $frontpageblockcontext, true);
assign_capability('block/online_users:viewlist', CAP_PREVENT, $allroles['student'], $frontpageblockcontext, true);
assign_capability('moodle/site:accessallgroups', CAP_PREVENT, $CFG->defaultuserroleid, $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $frontpagepagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['user'], $frontpagepagecontext, true);
assign_capability('moodle/page:view', CAP_ALLOW, $allroles['student'], $frontpagepagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultuserroleid, $frontpagecontext, true);
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $CFG->defaultfrontpageroleid, $frontpagecontext, true);
assign_capability('mod/page:view', CAP_ALLOW, $allroles['guest'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PROHIBIT, $allroles['user'], $frontpagecontext, true);
assign_capability('mod/page:view', CAP_PREVENT, $allroles['guest'], $systemcontext, true);
accesslib_clear_all_caches(false);
// must be done after assign_capability()
// Extra tests for guests and not-logged-in users because they can not be verified by cross checking
// with get_users_by_capability() where they are ignored
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, $guestid));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, $guestid));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, $guestid));
$this->assertFalse(has_capability('moodle/block:view', $frontpageblockcontext, 0));
$this->assertFalse(has_capability('mod/page:view', $frontpagepagecontext, 0));
$this->assertTrue(has_capability('mod/page:view', $frontpagecontext, 0));
$this->assertFalse(has_capability('mod/page:view', $systemcontext, 0));
$this->assertFalse(has_capability('moodle/course:create', $systemcontext, $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_coursecat::instance($testcategories[2]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:create', context_course::instance($testcourses[1]), $testusers[11]));
$this->assertTrue(has_capability('moodle/course:create', context_course::instance($testcourses[19]), $testusers[11]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[1]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', context_course::instance($testcourses[19]), $testusers[9]));
$this->assertFalse(has_capability('moodle/course:update', $systemcontext, $testusers[9]));
// Test the list of enrolled users
$coursecontext = context_course::instance($course1->id);
$enrolled = get_enrolled_users($coursecontext);
$this->assertEqual(count($enrolled), 10);
for ($i = 0; $i < 10; $i++) {
$this->assertTrue(isset($enrolled[$testusers[$i]]));
}
$enrolled = get_enrolled_users($coursecontext, 'moodle/course:update');
$this->assertEqual(count($enrolled), 1);
$this->assertTrue(isset($enrolled[$testusers[9]]));
unset($enrolled);
// role switching
$userid = $testusers[9];
$USER = $DB->get_record('user', array('id' => $userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(is_role_switched($course1->id));
role_switch($allroles['student'], $coursecontext);
$this->assertTrue(is_role_switched($course1->id));
$this->assertEqual($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
role_switch(0, $coursecontext);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
$userid = $adminid;
$USER = $DB->get_record('user', array('id' => $userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$blockcontext = context_block::instance($block1->id);
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
role_switch($allroles['student'], $coursecontext);
$this->assertEqual($USER->access['rsw'][$coursecontext->path], $allroles['student']);
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $blockcontext));
load_all_capabilities();
$this->assertTrue(has_capability('moodle/course:update', $blockcontext));
// temp course role for enrol
$DB->delete_records('cache_flags', array());
// this prevents problem with dirty contexts immediately resetting the temp role - this is a known problem...
$userid = $testusers[5];
$roleid = $allroles['editingteacher'];
$USER = $DB->get_record('user', array('id' => $userid));
load_all_capabilities();
$coursecontext = context_course::instance($course1->id);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext));
$this->assertFalse(isset($USER->access['ra'][$coursecontext->path][$roleid]));
load_temp_course_role($coursecontext, $roleid);
$this->assertEqual($USER->access['ra'][$coursecontext->path][$roleid], $roleid);
$this->assertTrue(has_capability('moodle/course:update', $coursecontext));
remove_temp_course_roles($coursecontext);
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
load_temp_course_role($coursecontext, $roleid);
reload_all_capabilities();
$this->assertFalse(has_capability('moodle/course:update', $coursecontext, $userid));
$USER = new stdClass();
$USER->id = 0;
// Now cross check has_capability() with get_users_by_capability(), each using different code paths,
// they have to be kept in sync, usually only one of them breaks, so we know when something is wrong,
// at the same time validate extra restrictions (guest read only no risks, admin exception, non existent and deleted users)
$contexts = $DB->get_records('context', array(), 'id');
$contexts = array_values($contexts);
$capabilities = $DB->get_records('capabilities', array(), 'id');
$capabilities = array_values($capabilities);
$roles = array($allroles['guest'], $allroles['user'], $allroles['teacher'], $allroles['editingteacher'], $allroles['coursecreator'], $allroles['manager']);
// Random time!
srand(666);
foreach ($testusers as $userid) {
// no guest or deleted
// each user gets 0-20 random roles
$rcount = rand(0, 10);
for ($j = 0; $j < $rcount; $j++) {
$roleid = $roles[rand(0, count($roles) - 1)];
$contextid = $contexts[rand(0, count($contexts) - 1)]->id;
role_assign($roleid, $userid, $contextid);
}
}
$permissions = array(CAP_ALLOW, CAP_PREVENT, CAP_INHERIT, CAP_PREVENT);
for ($j = 0; $j < 10000; $j++) {
$roleid = $roles[rand(0, count($roles) - 1)];
$contextid = $contexts[rand(0, count($contexts) - 1)]->id;
$permission = $permissions[rand(0, count($permissions) - 1)];
$capname = $capabilities[rand(0, count($capabilities) - 1)]->name;
assign_capability($capname, $permission, $roleid, $contextid, true);
}
unset($permissions);
unset($roles);
unset($contexts);
unset($users);
unset($capabilities);
accesslib_clear_all_caches(false);
// must be done after assign_capability()
// Test time - let's set up some real user, just in case the logic for USER affects the others...
$USER = $DB->get_record('user', array('id' => $testusers[3]));
load_all_capabilities();
$contexts = $DB->get_records('context', array(), 'id');
$users = $DB->get_records('user', array(), 'id', 'id');
$capabilities = $DB->get_records('capabilities', array(), 'id');
$users[0] = null;
// not-logged-in user
$users[-1] = null;
// non-existent user
foreach ($contexts as $crecord) {
$context = context::instance_by_id($crecord->id);
if ($coursecontext = $context->get_course_context(false)) {
$enrolled = get_enrolled_users($context);
} else {
$enrolled = array();
}
foreach ($capabilities as $cap) {
$allowed = get_users_by_capability($context, $cap->name, 'u.id, u.username');
if ($enrolled) {
$enrolledwithcap = get_enrolled_users($context, $cap->name);
} else {
$enrolledwithcap = array();
}
foreach ($users as $userid => $unused) {
if ($userid == 0 or isguestuser($userid)) {
if ($userid == 0) {
$CFG->forcelogin = true;
$this->assertFalse(has_capability($cap->name, $context, $userid));
unset($CFG->forcelogin);
}
if ($cap->captype === 'write' or $cap->riskbitmask & (RISK_XSS | RISK_CONFIG | RISK_DATALOSS)) {
$this->assertFalse(has_capability($cap->name, $context, $userid));
}
$this->assertFalse(isset($allowed[$userid]));
} else {
if (is_siteadmin($userid)) {
$this->assertTrue(has_capability($cap->name, $context, $userid, true));
}
$hascap = has_capability($cap->name, $context, $userid, false);
$this->assertIdentical($hascap, isset($allowed[$userid]), "Capability result mismatch user:{$userid}, context:{$context->id}, {$cap->name}, hascap: " . (int) $hascap . " ");
if (isset($enrolled[$userid])) {
$this->assertIdentical(isset($allowed[$userid]), isset($enrolledwithcap[$userid]), "Enrolment with capability result mismatch user:{$userid}, context:{$context->id}, {$cap->name}, hascap: " . (int) $hascap . " ");
}
}
}
}
}
// Back to nobody
$USER = new stdClass();
$USER->id = 0;
unset($contexts);
unset($users);
unset($capabilities);
// Now let's do all the remaining tests that break our carefully prepared fake site
// ======= $context->mark_dirty() =======================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
$systemcontext->mark_dirty();
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$systemcontext->path]));
// ======= $context->reload_if_dirty(); =================================
$DB->delete_records('cache_flags', array());
accesslib_clear_all_caches(false);
load_all_capabilities();
$context = context_course::instance($testcourses[2]);
$page = $DB->get_record('page', array('course' => $testcourses[2]));
$pagecontext = context_module::instance($page->id);
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$context->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
$context->mark_dirty();
$this->assertTrue(isset($ACCESSLIB_PRIVATE->dirtycontexts[$context->path]));
$USER->access['test'] = true;
$pagecontext->reload_if_dirty();
$this->assertFalse(isset($USER->access['test']));
// ======= context_helper::build_all_paths() ============================
$oldcontexts = $DB->get_records('context', array(), 'id');
$DB->set_field_select('context', 'path', NULL, "contextlevel <> " . CONTEXT_SYSTEM);
$DB->set_field_select('context', 'depth', 0, "contextlevel <> " . CONTEXT_SYSTEM);
context_helper::build_all_paths();
$newcontexts = $DB->get_records('context', array(), 'id');
$this->assertIdentical($oldcontexts, $newcontexts);
unset($oldcontexts);
unset($newcontexts);
// ======= $context->reset_paths() ======================================
$context = context_course::instance($testcourses[2]);
$children = $context->get_child_contexts();
$context->reset_paths(false);
$this->assertIdentical($DB->get_field('context', 'path', array('id' => $context->id)), NULL);
$this->assertEqual($DB->get_field('context', 'depth', array('id' => $context->id)), 0);
foreach ($children as $child) {
$this->assertIdentical($DB->get_field('context', 'path', array('id' => $child->id)), NULL);
$this->assertEqual($DB->get_field('context', 'depth', array('id' => $child->id)), 0);
}
$this->assertEqual(count($children) + 1, $DB->count_records('context', array('depth' => 0)));
$this->assertEqual(count($children) + 1, $DB->count_records('context', array('path' => NULL)));
$context = context_course::instance($testcourses[2]);
$context->reset_paths(true);
$context = context_course::instance($testcourses[2]);
$this->assertEqual($DB->get_field('context', 'path', array('id' => $context->id)), $context->path);
$this->assertEqual($DB->get_field('context', 'depth', array('id' => $context->id)), $context->depth);
$this->assertEqual(0, $DB->count_records('context', array('depth' => 0)));
$this->assertEqual(0, $DB->count_records('context', array('path' => NULL)));
// ====== $context->update_moved(); ======================================
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id' => $testcourses[0]));
$context = context_course::instance($course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
$context->update_moved($categorycontext);
$context = context_course::instance($course->id);
$this->assertIdentical($context->get_parent_context(), $categorycontext);
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$oldpath]));
$this->assertTrue(isset($dirty[$context->path]));
// ====== $context->delete_content() =====================================
context_helper::reset_caches();
$context = context_module::instance($testpages[3]);
$this->assertTrue($DB->record_exists('context', array('id' => $context->id)));
$this->assertEqual(1, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
$context->delete_content();
$this->assertTrue($DB->record_exists('context', array('id' => $context->id)));
$this->assertEqual(0, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
// ====== $context->delete() =============================
context_helper::reset_caches();
$context = context_module::instance($testpages[4]);
$this->assertTrue($DB->record_exists('context', array('id' => $context->id)));
$this->assertEqual(1, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
$bi = $DB->get_record('block_instances', array('parentcontextid' => $context->id));
$bicontext = context_block::instance($bi->id);
$DB->delete_records('cache_flags', array());
$context->delete();
// should delete also linked blocks
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$context->path]));
$this->assertFalse($DB->record_exists('context', array('id' => $context->id)));
$this->assertFalse($DB->record_exists('context', array('id' => $bicontext->id)));
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_MODULE, 'instanceid' => $testpages[4])));
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_BLOCK, 'instanceid' => $bi->id)));
$this->assertEqual(0, $DB->count_records('block_instances', array('parentcontextid' => $context->id)));
context_module::instance($testpages[4]);
// ====== context_helper::delete_instance() =============================
context_helper::reset_caches();
$lastcourse = array_pop($testcourses);
$this->assertTrue($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $lastcourse)));
$coursecontext = context_course::instance($lastcourse);
$this->assertEqual(context_inspection::test_context_cache_size(), 1);
$this->assertFalse($coursecontext->instanceid == CONTEXT_COURSE);
$DB->delete_records('cache_flags', array());
context_helper::delete_instance(CONTEXT_COURSE, $lastcourse);
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$coursecontext->path]));
$this->assertEqual(context_inspection::test_context_cache_size(), 0);
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $lastcourse)));
context_course::instance($lastcourse);
// ======= context_helper::create_instances() ==========================
$prevcount = $DB->count_records('context');
$DB->delete_records('context', array('contextlevel' => CONTEXT_BLOCK));
context_helper::create_instances(null, true);
$this->assertIdentical($DB->count_records('context'), $prevcount);
$this->assertEqual($DB->count_records('context', array('depth' => 0)), 0);
$this->assertEqual($DB->count_records('context', array('path' => NULL)), 0);
$DB->delete_records('context', array('contextlevel' => CONTEXT_BLOCK));
$DB->delete_records('block_instances', array());
$prevcount = $DB->count_records('context');
$DB->delete_records_select('context', 'contextlevel <> ' . CONTEXT_SYSTEM);
context_helper::create_instances(null, true);
$this->assertIdentical($DB->count_records('context'), $prevcount);
$this->assertEqual($DB->count_records('context', array('depth' => 0)), 0);
$this->assertEqual($DB->count_records('context', array('path' => NULL)), 0);
// ======= context_helper::cleanup_instances() ==========================
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id' => $lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id' => $lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id' => $lastuser));
$DB->delete_records('block_instances', array('parentcontextid' => $frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id' => $frontpagepagecontext->instanceid));
context_helper::cleanup_instances();
$count = 1;
//system
$count += $DB->count_records('user', array('deleted' => 0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEqual($DB->count_records('context'), $count);
// ======= context cache size restrictions ==============================
$testusers = array();
for ($i = 0; $i < CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
$user = new stdClass();
$user->auth = 'manual';
$user->firstname = 'xuser' . $i;
$user->lastname = 'xuser' . $i;
$user->username = '******' . $i;
$user->password = '******';
$user->email = "xuser{$i}@example.com";
$user->confirmed = 1;
$user->mnethostid = $CFG->mnet_localhost_id;
$user->lang = $CFG->lang;
$user->maildisplay = 1;
$user->timemodified = time();
$user->lastip = '0.0.0.0';
$userid = $DB->insert_record('user', $user);
$testusers[$i] = $userid;
}
context_helper::create_instances(null, true);
context_helper::reset_caches();
for ($i = 0; $i < CONTEXT_CACHE_MAX_SIZE + 100; $i++) {
context_user::instance($testusers[$i]);
if ($i == CONTEXT_CACHE_MAX_SIZE - 1) {
$this->assertEqual(context_inspection::test_context_cache_size(), CONTEXT_CACHE_MAX_SIZE);
} else {
if ($i == CONTEXT_CACHE_MAX_SIZE) {
// once the limit is reached roughly 1/3 of records should be removed from cache
$this->assertEqual(context_inspection::test_context_cache_size(), (int) (CONTEXT_CACHE_MAX_SIZE * (2 / 3) + 102));
}
}
}
// We keep the first 100 cached
$prevsize = context_inspection::test_context_cache_size();
for ($i = 0; $i < 100; $i++) {
context_user::instance($testusers[$i]);
$this->assertEqual(context_inspection::test_context_cache_size(), $prevsize);
}
context_user::instance($testusers[102]);
$this->assertEqual(context_inspection::test_context_cache_size(), $prevsize + 1);
unset($testusers);
// =================================================================
// ======= basic test of legacy functions ==========================
// =================================================================
// note: watch out, the fake site might be pretty borked already
$this->assertIdentical(get_system_context(), context_system::instance());
foreach ($DB->get_records('context') as $contextid => $record) {
$context = context::instance_by_id($contextid);
$this->assertIdentical(get_context_instance_by_id($contextid), $context);
$this->assertIdentical(get_context_instance($record->contextlevel, $record->instanceid), $context);
$this->assertIdentical(get_parent_contexts($context), $context->get_parent_context_ids());
if ($context->id == SYSCONTEXTID) {
$this->assertIdentical(get_parent_contextid($context), false);
} else {
$this->assertIdentical(get_parent_contextid($context), $context->get_parent_context()->id);
}
}
$children = get_child_contexts($systemcontext);
$this->assertEqual(count($children), $DB->count_records('context') - 1);
unset($children);
$DB->delete_records('context', array('contextlevel' => CONTEXT_BLOCK));
create_contexts();
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_BLOCK)));
$DB->set_field('context', 'depth', 0, array('contextlevel' => CONTEXT_BLOCK));
build_context_path();
$this->assertFalse($DB->record_exists('context', array('depth' => 0)));
$lastcourse = $DB->get_field_sql("SELECT MAX(id) FROM {course}");
$DB->delete_records('course', array('id' => $lastcourse));
$lastcategory = $DB->get_field_sql("SELECT MAX(id) FROM {course_categories}");
$DB->delete_records('course_categories', array('id' => $lastcategory));
$lastuser = $DB->get_field_sql("SELECT MAX(id) FROM {user} WHERE deleted=0");
$DB->delete_records('user', array('id' => $lastuser));
$DB->delete_records('block_instances', array('parentcontextid' => $frontpagepagecontext->id));
$DB->delete_records('course_modules', array('id' => $frontpagepagecontext->instanceid));
cleanup_contexts();
$count = 1;
//system
$count += $DB->count_records('user', array('deleted' => 0));
$count += $DB->count_records('course_categories');
$count += $DB->count_records('course');
$count += $DB->count_records('course_modules');
$count += $DB->count_records('block_instances');
$this->assertEqual($DB->count_records('context'), $count);
context_helper::reset_caches();
preload_course_contexts($SITE->id);
$this->assertEqual(context_inspection::test_context_cache_size(), 1);
context_helper::reset_caches();
list($select, $join) = context_instance_preload_sql('c.id', CONTEXT_COURSECAT, 'ctx');
$sql = "SELECT c.id {$select} FROM {course_categories} c {$join}";
$records = $DB->get_records_sql($sql);
foreach ($records as $record) {
context_instance_preload($record);
$record = (array) $record;
$this->assertEqual(1, count($record));
// only id left
}
$this->assertEqual(count($records), context_inspection::test_context_cache_size());
accesslib_clear_all_caches(true);
$DB->delete_records('cache_flags', array());
mark_context_dirty($systemcontext->path);
$dirty = get_cache_flags('accesslib/dirtycontexts', time() - 2);
$this->assertTrue(isset($dirty[$systemcontext->path]));
accesslib_clear_all_caches(false);
$DB->delete_records('cache_flags', array());
$course = $DB->get_record('course', array('id' => $testcourses[2]));
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$oldpath = $context->path;
$miscid = $DB->get_field_sql("SELECT MIN(id) FROM {course_categories}");
$categorycontext = context_coursecat::instance($miscid);
$course->category = $miscid;
$DB->update_record('course', $course);
context_moved($context, $categorycontext);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$this->assertIdentical($context->get_parent_context(), $categorycontext);
$this->assertTrue($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $testcourses[2])));
delete_context(CONTEXT_COURSE, $testcourses[2]);
$this->assertFalse($DB->record_exists('context', array('contextlevel' => CONTEXT_COURSE, 'instanceid' => $testcourses[2])));
$name = get_contextlevel_name(CONTEXT_COURSE);
$this->assertFalse(empty($name));
$context = get_context_instance(CONTEXT_COURSE, $testcourses[2]);
$name = print_context_name($context);
$this->assertFalse(empty($name));
$url = get_context_url($coursecontext);
$this->assertFalse($url instanceof modole_url);
$page = $DB->get_record('page', array('id' => $testpages[7]));
$context = get_context_instance(CONTEXT_MODULE, $page->id);
$coursecontext = get_course_context($context);
$this->assertEqual($coursecontext->contextlevel, CONTEXT_COURSE);
$this->assertEqual(get_courseid_from_context($context), $page->course);
$caps = fetch_context_capabilities($systemcontext);
$this->assertTrue(is_array($caps));
unset($caps);
}
/**
* Tests for mod_data_rating_can_see_item_ratings().
*
* @throws coding_exception
* @throws rating_exception
*/
public function test_mod_data_rating_can_see_item_ratings()
{
global $DB;
$this->resetAfterTest();
// Setup test data.
$course = new stdClass();
$course->groupmode = SEPARATEGROUPS;
$course->groupmodeforce = true;
$course = $this->getDataGenerator()->create_course($course);
$data = $this->getDataGenerator()->create_module('data', array('course' => $course->id));
$cm = get_coursemodule_from_instance('data', $data->id);
$context = context_module::instance($cm->id);
// Create users.
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$user3 = $this->getDataGenerator()->create_user();
$user4 = $this->getDataGenerator()->create_user();
// Groups and stuff.
$role = $DB->get_record('role', array('shortname' => 'teacher'), '*', MUST_EXIST);
$this->getDataGenerator()->enrol_user($user1->id, $course->id, $role->id);
$this->getDataGenerator()->enrol_user($user2->id, $course->id, $role->id);
$this->getDataGenerator()->enrol_user($user3->id, $course->id, $role->id);
$this->getDataGenerator()->enrol_user($user4->id, $course->id, $role->id);
$group1 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
$group2 = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
groups_add_member($group1, $user1);
groups_add_member($group1, $user2);
groups_add_member($group2, $user3);
groups_add_member($group2, $user4);
// Add data.
$field = data_get_field_new('text', $data);
$fielddetail = new stdClass();
$fielddetail->name = 'Name';
$fielddetail->description = 'Some name';
$field->define_field($fielddetail);
$field->insert_field();
// Add a record with a group id of zero (all participants).
$recordid1 = data_add_record($data, 0);
$datacontent = array();
$datacontent['fieldid'] = $field->field->id;
$datacontent['recordid'] = $recordid1;
$datacontent['content'] = 'Obelix';
$DB->insert_record('data_content', $datacontent);
$recordid = data_add_record($data, $group1->id);
$datacontent = array();
$datacontent['fieldid'] = $field->field->id;
$datacontent['recordid'] = $recordid;
$datacontent['content'] = 'Asterix';
$DB->insert_record('data_content', $datacontent);
// Now try to access it as various users.
unassign_capability('moodle/site:accessallgroups', $role->id);
// Eveyone should have access to the record with the group id of zero.
$params1 = array('contextid' => 2, 'component' => 'mod_data', 'ratingarea' => 'entry', 'itemid' => $recordid1, 'scaleid' => 2);
$params = array('contextid' => 2, 'component' => 'mod_data', 'ratingarea' => 'entry', 'itemid' => $recordid, 'scaleid' => 2);
$this->setUser($user1);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user2);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user3);
$this->assertFalse(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user4);
$this->assertFalse(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
// Now try with accessallgroups cap and make sure everything is visible.
assign_capability('moodle/site:accessallgroups', CAP_ALLOW, $role->id, $context->id);
$this->setUser($user1);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user2);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user3);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user4);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
// Change group mode and verify visibility.
$course->groupmode = VISIBLEGROUPS;
$DB->update_record('course', $course);
unassign_capability('moodle/site:accessallgroups', $role->id);
$this->setUser($user1);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user2);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user3);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
$this->setUser($user4);
$this->assertTrue(mod_data_rating_can_see_item_ratings($params));
$this->assertTrue(mod_data_rating_can_see_item_ratings($params1));
}
public function save_changes()
{
global $DB;
if (!$this->roleid) {
// Creating role
if (isset($this->legacyroles[$this->role->legacytype])) {
$legacycap = $this->legacyroles[$this->role->legacytype];
} else {
$legacycap = '';
}
$this->role->id = create_role($this->role->name, $this->role->shortname, $this->role->description, $legacycap);
$this->roleid = $this->role->id;
// Needed to make the parent::save_changes(); call work.
} else {
// Updating role
$DB->update_record('role', $this->role);
// Legacy type
foreach ($this->legacyroles as $type => $cap) {
if ($type == $this->role->legacytype) {
assign_capability($cap, CAP_ALLOW, $this->role->id, $this->context->id);
} else {
unassign_capability($cap, $this->role->id);
}
}
}
// Assignable contexts.
set_role_contextlevels($this->role->id, $this->contextlevels);
// Permissions.
parent::save_changes();
}
/**
* More user friendly role permission changing,
* it should produce as few overrides as possible.
* @param int $roleid
* @param object $context
* @param string $capname capability name
* @param int $permission
* @return void
*/
function role_change_permission($roleid, $context, $capname, $permission)
{
global $DB;
if ($permission == CAP_INHERIT) {
unassign_capability($capname, $roleid, $context->id);
$context->mark_dirty();
return;
}
$ctxids = trim($context->path, '/');
// kill leading slash
$ctxids = str_replace('/', ',', $ctxids);
$params = array('roleid' => $roleid, 'cap' => $capname);
$sql = "SELECT ctx.id, rc.permission, ctx.depth\n FROM {role_capabilities} rc\n JOIN {context} ctx ON ctx.id = rc.contextid\n WHERE rc.roleid = :roleid AND rc.capability = :cap AND ctx.id IN ({$ctxids})\n ORDER BY ctx.depth DESC";
if ($existing = $DB->get_records_sql($sql, $params)) {
foreach ($existing as $e) {
if ($e->permission == CAP_PROHIBIT) {
// prohibit can not be overridden, no point in changing anything
return;
}
}
$lowest = array_shift($existing);
if ($lowest->permission == $permission) {
// permission already set in this context or parent - nothing to do
return;
}
if ($existing) {
$parent = array_shift($existing);
if ($parent->permission == $permission) {
// permission already set in parent context or parent - just unset in this context
// we do this because we want as few overrides as possible for performance reasons
unassign_capability($capname, $roleid, $context->id);
$context->mark_dirty();
return;
}
}
} else {
if ($permission == CAP_PREVENT) {
// nothing means role does not have permission
return;
}
}
// assign the needed capability
assign_capability($capname, $permission, $roleid, $context->id, true);
// force cap reloading
$context->mark_dirty();
}
/**
* Clears capabilities from all roles so that they may be reassigned as specified.
*/
public static function clear_capabilities_for_course($courseid)
{
$coursecontext = context_course::instance($courseid);
// Get all roles for current course.
$currentcourseroles = get_all_roles($coursecontext);
// Remove publisher and creator capabilities from all roles.
foreach ($currentcourseroles as $role) {
unassign_capability('block/panopto:provision_aspublisher', $role->id, $coursecontext);
unassign_capability('block/panopto:provision_asteacher', $role->id, $coursecontext);
// Mark dirty (moodle standard for capability changes at context level).
$coursecontext->mark_dirty();
}
}
