moodle/rating/simpletest/testrating.php
2011-10-19 01:37:30 +02:00

279 lines
14 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/>.
/**
* Unit tests for rating/lib.php
*
* @package moodlecore
* @subpackage rating
* @copyright 2011 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
// Include all the needed stuff
require_once($CFG->dirroot . '/rating/lib.php');
/**
* Unit test case for all the rating/lib.php requiring DB mockup & manipulation
*/
class rating_db_test extends UnitTestCaseUsingDatabase {
public static $includecoverage = array(
'rating/lib.php'
);
protected $testtables = array(
'lib' => array(
'rating', 'scale', 'context', 'capabilities', 'role_assignments', 'role_capabilities', 'course'));
protected $syscontext;
protected $neededcaps = array('view', 'viewall', 'viewany', 'rate');
protected $originaldefaultfrontpageroleid;
public function setUp() {
global $CFG;
parent::setUp();
foreach ($this->testtables as $dir => $tables) {
$this->create_test_tables($tables, $dir); // Create tables
}
$this->switch_to_test_db(); // Switch to test DB for all the execution
// Nasty hack, recreate the system context record (the accesslib API does not allow to create it easily)
$this->create_system_context_record();
// Reset all caches
accesslib_clear_all_caches_for_unit_testing();
$this->syscontext = get_context_instance(CONTEXT_SYSTEM);
$this->fill_records();
// Ignore any frontpageroleid, that would require to crete more contexts
$this->originaldefaultfrontpageroleid = $CFG->defaultfrontpageroleid;
$CFG->defaultfrontpageroleid = null;
}
public function tearDown() {
global $CFG;
// Recover original frontpageroleid
$CFG->defaultfrontpageroleid = $this->originaldefaultfrontpageroleid;
parent::tearDown();
}
private function fill_records() {
global $DB;
// Add the capabilities used by ratings
foreach ($this->neededcaps as $neededcap) {
$this->testdb->insert_record('capabilities', (object)array('name' => 'moodle/rating:' . $neededcap,
'contextlevel' => CONTEXT_COURSE));
}
}
/**
* Test the current get_ratings method main sql
*/
function test_get_ratings_sql() {
// We load 3 items. Each is rated twice. For simplicity itemid == user id of the item owner
$ctxid = $this->syscontext->id;
$this->load_test_data('rating',
array('contextid', 'component', 'ratingarea', 'itemid', 'scaleid', 'rating', 'userid', 'timecreated', 'timemodified'), array(
//user 1's items. Average == 2
array( $ctxid , 'mod_forum', 'post', 1 , 10 , 1 , 2 , 1 , 1),
array( $ctxid , 'mod_forum', 'post', 1 , 10 , 3 , 3 , 1 , 1),
//user 2's items. Average == 3
array( $ctxid , 'mod_forum', 'post', 2 , 10 , 1 , 1 , 1 , 1),
array( $ctxid , 'mod_forum', 'post', 2 , 10 , 5 , 3 , 1 , 1),
//user 3's items. Average == 4
array( $ctxid , 'mod_forum', 'post', 3 , 10 , 3 , 1 , 1 , 1),
array( $ctxid , 'mod_forum', 'post', 3 , 10 , 5 , 2 , 1 , 1)
));
// a post (item) by user 1 (rated above by user 2 and 3 with average = 2)
$user1posts = array(
(object)array('id' => 1, 'userid' => 1, 'message' => 'hello'));
// a post (item) by user 2 (rated above by user 1 and 3 with average = 3)
$user2posts = array(
(object)array('id' => 2, 'userid' => 2, 'message' => 'world'));
// a post (item) by user 3 (rated above by user 1 and 2 with average = 4)
$user3posts = array(
(object)array('id' => 3, 'userid' => 3, 'message' => 'moodle'));
// Prepare the default options
$defaultoptions = array (
'context' => $this->syscontext,
'component' => 'mod_forum',
'ratingarea' => 'post',
'scaleid' => 10,
'aggregate' => RATING_AGGREGATE_AVERAGE);
$rm = new mockup_rating_manager();
// STEP 1: Retreive ratings using the current user
// Get results for user 1's item (expected average 1 + 3 / 2 = 2)
$toptions = (object)array_merge($defaultoptions, array('items' => $user1posts));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($user1posts));
$this->assertEqual($result[0]->id, $user1posts[0]->id);
$this->assertEqual($result[0]->userid, $user1posts[0]->userid);
$this->assertEqual($result[0]->message, $user1posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 2);
// Note that $result[0]->rating->rating is somewhat random
// We didn't supply a user ID so $USER was used which will vary depending on who runs the tests
// Get results for items of user 2 (expected average 1 + 5 / 2 = 3)
$toptions = (object)array_merge($defaultoptions, array('items' => $user2posts));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($user2posts));
$this->assertEqual($result[0]->id, $user2posts[0]->id);
$this->assertEqual($result[0]->userid, $user2posts[0]->userid);
$this->assertEqual($result[0]->message, $user2posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 3);
// Note that $result[0]->rating->rating is somewhat random
// We didn't supply a user ID so $USER was used which will vary depending on who runs the tests
// Get results for items of user 3 (expected average 3 + 5 / 2 = 4)
$toptions = (object)array_merge($defaultoptions, array('items' => $user3posts));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($user3posts));
$this->assertEqual($result[0]->id, $user3posts[0]->id);
$this->assertEqual($result[0]->userid, $user3posts[0]->userid);
$this->assertEqual($result[0]->message, $user3posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 4);
// Note that $result[0]->rating->rating is somewhat random
// We didn't supply a user ID so $USER was used which will vary depending on who runs the tests
// Get results for items of user 1 & 2 together (expected averages are 2 and 3, as tested above)
$posts = array_merge($user1posts, $user2posts);
$toptions = (object)array_merge($defaultoptions, array('items' => $posts));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($posts));
$this->assertEqual($result[0]->id, $posts[0]->id);
$this->assertEqual($result[0]->userid, $posts[0]->userid);
$this->assertEqual($result[0]->message, $posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 2);
// Note that $result[0]->rating->rating is somewhat random
// We didn't supply a user ID so $USER was used which will vary depending on who runs the tests
$this->assertEqual($result[1]->id, $posts[1]->id);
$this->assertEqual($result[1]->userid, $posts[1]->userid);
$this->assertEqual($result[1]->message, $posts[1]->message);
$this->assertEqual($result[1]->rating->count, 2);
$this->assertEqual($result[1]->rating->aggregate, 3);
// Note that $result[0]->rating->rating is somewhat random
// We didn't supply a user ID so $USER was used which will vary depending on who runs the tests
// STEP 2: Retrieve ratings by a specified user
// We still expect complete aggregations and counts
// Get results for items of user 1 rated by user 2 (avg 2, rating 1)
$toptions = (object)array_merge($defaultoptions, array('items' => $user1posts, 'userid' => 2));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($user1posts));
$this->assertEqual($result[0]->id, $user1posts[0]->id);
$this->assertEqual($result[0]->userid, $user1posts[0]->userid);
$this->assertEqual($result[0]->message, $user1posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 2);
$this->assertEqual($result[0]->rating->rating, 1); //user 2 rated user 1 "1"
$this->assertEqual($result[0]->rating->userid, $toptions->userid); // Must be the passed userid
// Get results for items of user 1 rated by user 3
$toptions = (object)array_merge($defaultoptions, array('items' => $user1posts, 'userid' => 3));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($user1posts));
$this->assertEqual($result[0]->id, $user1posts[0]->id);
$this->assertEqual($result[0]->userid, $user1posts[0]->userid);
$this->assertEqual($result[0]->message, $user1posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 2);
$this->assertEqual($result[0]->rating->rating, 3); //user 3 rated user 1 "3"
$this->assertEqual($result[0]->rating->userid, $toptions->userid); // Must be the passed userid
// Get results for items of user 1 & 2 together rated by user 3
$posts = array_merge($user1posts, $user2posts);
$toptions = (object)array_merge($defaultoptions, array('items' => $posts, 'userid' => 3));
$result = $rm->get_ratings($toptions);
$this->assertEqual(count($result), count($posts));
$this->assertEqual($result[0]->id, $posts[0]->id);
$this->assertEqual($result[0]->userid, $posts[0]->userid);
$this->assertEqual($result[0]->message, $posts[0]->message);
$this->assertEqual($result[0]->rating->count, 2);
$this->assertEqual($result[0]->rating->aggregate, 2);
$this->assertEqual($result[0]->rating->rating, 3); //user 3 rated user 1 "3"
$this->assertEqual($result[0]->rating->userid, $toptions->userid); // Must be the passed userid
$this->assertEqual($result[1]->id, $posts[1]->id);
$this->assertEqual($result[1]->userid, $posts[1]->userid);
$this->assertEqual($result[1]->message, $posts[1]->message);
$this->assertEqual($result[1]->rating->count, 2);
$this->assertEqual($result[1]->rating->aggregate, 3);
$this->assertEqual($result[0]->rating->rating, 3); //user 3 rated user 2 "5"
$this->assertEqual($result[1]->rating->userid, $toptions->userid); // Must be the passed userid
// STEP 3: Some special cases
// Get results for user 1's items (expected average 1 + 3 / 2 = 2)
// supplying a non-existent user id so no rating from that user should be found
$toptions = (object)array_merge($defaultoptions, array('items' => $user1posts));
$toptions->userid = 123456; //non-existent user
$result = $rm->get_ratings($toptions);
$this->assertNull($result[0]->rating->userid);
$this->assertNull($result[0]->rating->rating);
$this->assertEqual($result[0]->rating->aggregate, 2);//should still get the aggregate
// Get results for items of user 2 (expected average 1 + 5 / 2 = 3)
// Supplying the user id of the user who owns the items so no rating should be found
$toptions = (object)array_merge($defaultoptions, array('items' => $user2posts));
$toptions->userid = 2; //user 2 viewing the ratings of their own item
$result = $rm->get_ratings($toptions);
//these should be null as the user is viewing their own item and thus cannot rate
$this->assertNull($result[0]->rating->userid);
$this->assertNull($result[0]->rating->rating);
$this->assertEqual($result[0]->rating->aggregate, 3);//should still get the aggregate
}
}
/**
* rating_manager subclass for unit testing without requiring capabilities to be loaded
*/
class mockup_rating_manager extends rating_manager {
/**
* Overwrite get_plugin_permissions_array() so it always return granted perms for unit testing
*/
public function get_plugin_permissions_array($contextid, $component, $ratingarea) {
return array(
'rate' => true,
'view' => true,
'viewany' => true,
'viewall' => true);
}
}