moodle/lib/tests/accesslib_test.php
2012-04-19 22:09:32 +02:00

1068 lines
55 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Full functional accesslib test
*
* @package core
* @category phpunit
* @copyright 2011 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Context caching fixture
*/
class context_inspection extends context_helper {
public static function test_context_cache_size() {
return self::$cache_count;
}
}
/**
* Functional test for accesslib.php
*
* Note: execution may take many minutes especially on slower servers.
*/
class accesslib_testcase extends advanced_testcase {
//TODO: add more tests for the remaining accesslib parts that were not touched by the refactoring in 2.2dev
/**
* Verify comparison of context instances in phpunit asserts
* @return void
*/
public function test_context_comparisons() {
$frontpagecontext1 = context_course::instance(SITEID);
context_helper::reset_caches();
$frontpagecontext2 = context_course::instance(SITEID);
$this->assertEquals($frontpagecontext1, $frontpagecontext2);
$user1 = context_user::instance(1);
$user2 = context_user::instance(2);
$this->assertNotEquals($user1, $user2);
}
/**
* 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);
}
public function test_update_capabilities() {
global $DB, $SITE;
$this->resetAfterTest(true);
$froncontext = context_course::instance($SITE->id);
$student = $DB->get_record('role', array('archetype'=>'student'));
$teacher = $DB->get_record('role', array('archetype'=>'teacher'));
$existingcaps = $DB->get_records('capabilities', array(), 'id', 'name, captype, contextlevel, component, riskbitmask');
$this->assertFalse(isset($existingcaps['moodle/site:restore'])); // moved to new 'moodle/restore:restorecourse'
$this->assertTrue(isset($existingcaps['moodle/restore:restorecourse'])); // new cap from 'moodle/site:restore'
$this->assertTrue(isset($existingcaps['moodle/site:sendmessage'])); // new capability
$this->assertTrue(isset($existingcaps['moodle/backup:backupcourse']));
$this->assertTrue(isset($existingcaps['moodle/backup:backupsection'])); // cloned from 'moodle/backup:backupcourse'
$this->assertTrue(isset($existingcaps['moodle/site:approvecourse'])); // updated bitmask
$this->assertTrue(isset($existingcaps['moodle/course:manageactivities']));
$this->assertTrue(isset($existingcaps['mod/page:addinstance'])); // cloned from core 'moodle/course:manageactivities'
// fake state before upgrade
$DB->set_field('capabilities', 'name', 'moodle/site:restore', array('name'=>'moodle/restore:restorecourse'));
$DB->set_field('role_capabilities', 'capability', 'moodle/site:restore', array('capability'=>'moodle/restore:restorecourse'));
assign_capability('moodle/site:restore', CAP_PROHIBIT, $teacher->id, $froncontext->id, true);
$perms1 = array_values($DB->get_records('role_capabilities', array('capability'=>'moodle/site:restore', 'roleid'=>$teacher->id), 'contextid, permission', 'contextid, permission'));
$DB->delete_records('role_capabilities', array('capability'=>'moodle/site:sendmessage'));
$DB->delete_records('capabilities', array('name'=>'moodle/site:sendmessage'));
$DB->delete_records('role_capabilities', array('capability'=>'moodle/backup:backupsection'));
$DB->delete_records('capabilities', array('name'=>'moodle/backup:backupsection'));
assign_capability('moodle/backup:backupcourse', CAP_PROHIBIT, $student->id, $froncontext->id, true);
assign_capability('moodle/backup:backupcourse', CAP_ALLOW, $teacher->id, $froncontext->id, true);
$DB->set_field('capabilities', 'riskbitmask', 0, array('name'=>'moodle/site:approvecourse'));
$DB->delete_records('role_capabilities', array('capability'=>'mod/page:addinstance'));
$DB->delete_records('capabilities', array('name'=>'mod/page:addinstance'));
assign_capability('moodle/course:manageactivities', CAP_PROHIBIT, $student->id, $froncontext->id, true);
assign_capability('moodle/course:manageactivities', CAP_ALLOW, $teacher->id, $froncontext->id, true);
// execute core
update_capabilities('moodle');
// only core should be upgraded
$caps = $DB->get_records('capabilities', array(), 'id', 'name, captype, contextlevel, component, riskbitmask');
$this->assertFalse(isset($existingcaps['moodle/site:restore']));
$this->assertTrue(isset($caps['moodle/restore:restorecourse']));
$this->assertEquals($existingcaps['moodle/restore:restorecourse'], $caps['moodle/restore:restorecourse']);
$perms2 = array_values($DB->get_records('role_capabilities', array('capability'=>'moodle/restore:restorecourse', 'roleid'=>$teacher->id), 'contextid, permission', 'contextid, permission'));
$this->assertEquals($perms1, $perms2);
$this->assertTrue(isset($caps['moodle/site:sendmessage']));
$this->assertEquals($existingcaps['moodle/site:sendmessage'], $caps['moodle/site:sendmessage']);
$this->assertTrue(isset($caps['moodle/backup:backupsection']));
$this->assertEquals($existingcaps['moodle/backup:backupsection'], $caps['moodle/backup:backupsection']);
$roles = $DB->get_records_sql('SELECT DISTINCT roleid AS id FROM {role_capabilities} WHERE capability=? OR capability=?', array('moodle/backup:backupcourse', 'moodle/backup:backupsection'));
foreach ($roles as $role) {
$perms1 = array_values($DB->get_records('role_capabilities', array('capability'=>'moodle/backup:backupcourse', 'roleid'=>$role->id), 'contextid, permission', 'contextid, permission'));
$perms2 = array_values($DB->get_records('role_capabilities', array('capability'=>'moodle/backup:backupsection', 'roleid'=>$role->id), 'contextid, permission', 'contextid, permission'));
$this->assertEquals($perms1, $perms2);
}
$this->assertTrue(isset($caps['moodle/site:approvecourse']));
$this->assertEquals($existingcaps['moodle/site:approvecourse'], $caps['moodle/site:approvecourse']);
$this->assertFalse(isset($caps['mod/page:addinstance']));
// execute plugin
update_capabilities('mod_page');
$caps = $DB->get_records('capabilities', array(), 'id', 'name, captype, contextlevel, component, riskbitmask');
$this->assertTrue(isset($caps['mod/page:addinstance']));
$roles = $DB->get_records_sql('SELECT DISTINCT roleid AS id FROM {role_capabilities} WHERE capability=? OR capability=?', array('moodle/course:manageactivities', 'mod/page:addinstance'));
foreach ($roles as $role) {
$perms1 = array_values($DB->get_records('role_capabilities', array('capability'=>'moodle/course:manageactivities', 'roleid'=>$role->id), 'contextid, permission', 'contextid, permission'));
$perms2 = array_values($DB->get_records('role_capabilities', array('capability'=>'mod/page:addinstance', 'roleid'=>$role->id), 'contextid, permission', 'contextid, permission'));
}
$this->assertEquals($perms1, $perms2);
}
}