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  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?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/>.

/**
< * Collator unit tests.
> * Unit tests for our utf-8 aware collator which is used for sorting.
* * @package core
< * @category phpunit
> * @category test
* @copyright 2011 Sam Hemelryk * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */
> namespace core; defined('MOODLE_INTERNAL') || die(); > > use core_collator; /** >
* Unit tests for our utf-8 aware collator which is used for sorting. * * @package core
< * @category phpunit
> * @category test
* @copyright 2011 Sam Hemelryk * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */
< class core_collator_testcase extends advanced_testcase {
> class collator_test extends \advanced_testcase {
/** * @var string The initial lang, stored because we change it during testing */ protected $initiallang = null; /** * @var string The last error that has occurred */ protected $error = null; /** * Prepares things for this test case. */ protected function setUp(): void { global $SESSION; if (isset($SESSION->lang)) { $this->initiallang = $SESSION->lang; } $SESSION->lang = 'en'; // Make sure we test en language to get consistent results, hopefully all systems have this locale. if (extension_loaded('intl')) { $this->error = 'Collation aware sorting not supported'; } else { $this->error = 'Collation aware sorting not supported, PHP extension "intl" is not available.'; } parent::setUp(); } /** * Cleans things up after this test case has run. */ protected function tearDown(): void { global $SESSION; parent::tearDown(); if ($this->initiallang !== null) { $SESSION->lang = $this->initiallang; $this->initiallang = null; } else { unset($SESSION->lang); } } /** * Tests the static asort method. */ public function test_asort() { $arr = array('b' => 'ab', 1 => 'aa', 0 => 'cc'); $result = core_collator::asort($arr); $this->assertSame(array('aa', 'ab', 'cc'), array_values($arr)); $this->assertSame(array(1, 'b', 0), array_keys($arr)); $this->assertTrue($result); $arr = array('b' => 'ab', 1 => 'aa', 0 => 'cc'); $result = core_collator::asort($arr, core_collator::SORT_STRING); $this->assertSame(array('aa', 'ab', 'cc'), array_values($arr)); $this->assertSame(array(1, 'b', 0), array_keys($arr)); $this->assertTrue($result); $arr = array('b' => 'aac', 1 => 'Aac', 0 => 'cc'); $result = core_collator::asort($arr, (core_collator::SORT_STRING | core_collator::CASE_SENSITIVE)); $this->assertSame(array('Aac', 'aac', 'cc'), array_values($arr)); $this->assertSame(array(1, 'b', 0), array_keys($arr)); $this->assertTrue($result); $arr = array('b' => 'a1', 1 => 'a10', 0 => 'a3b'); $result = core_collator::asort($arr); $this->assertSame(array('a1', 'a10', 'a3b'), array_values($arr)); $this->assertSame(array('b', 1, 0), array_keys($arr)); $this->assertTrue($result); $arr = array('b' => 'a1', 1 => 'a10', 0 => 'a3b'); $result = core_collator::asort($arr, core_collator::SORT_NATURAL); $this->assertSame(array('a1', 'a3b', 'a10'), array_values($arr)); $this->assertSame(array('b', 0, 1), array_keys($arr)); $this->assertTrue($result); $arr = array('b' => '1.1.1', 1 => '1.2', 0 => '1.20.2'); $result = core_collator::asort($arr, core_collator::SORT_NATURAL); $this->assertSame(array_values($arr), array('1.1.1', '1.2', '1.20.2')); $this->assertSame(array_keys($arr), array('b', 1, 0)); $this->assertTrue($result); $arr = array('b' => '-1', 1 => 1000, 0 => -1.2, 3 => 1, 4 => false); $result = core_collator::asort($arr, core_collator::SORT_NUMERIC); $this->assertSame(array(-1.2, '-1', false, 1, 1000), array_values($arr)); $this->assertSame(array(0, 'b', 4, 3, 1), array_keys($arr)); $this->assertTrue($result); $arr = array('b' => array(1), 1 => array(2, 3), 0 => 1); $result = core_collator::asort($arr, core_collator::SORT_REGULAR); $this->assertSame(array(1, array(1), array(2, 3)), array_values($arr)); $this->assertSame(array(0, 'b', 1), array_keys($arr)); $this->assertTrue($result); // Test sorting of array of arrays - first element should be used for actual comparison. $arr = array(0=>array('bb', 'z'), 1=>array('ab', 'a'), 2=>array('zz', 'x')); $result = core_collator::asort($arr, core_collator::SORT_REGULAR); $this->assertSame(array(1, 0, 2), array_keys($arr)); $this->assertTrue($result); $arr = array('a' => 'áb', 'b' => 'ab', 1 => 'aa', 0=>'cc', 'x' => 'Áb'); $result = core_collator::asort($arr); $this->assertSame(array('aa', 'ab', 'áb', 'Áb', 'cc'), array_values($arr), $this->error); $this->assertSame(array(1, 'b', 'a', 'x', 0), array_keys($arr), $this->error); $this->assertTrue($result); $a = array(2=>'b', 1=>'c'); $c =& $a; $b =& $a; core_collator::asort($b); $this->assertSame($a, $b); $this->assertSame($c, $b); } /** * Tests the static asort_objects_by_method method. */ public function test_asort_objects_by_method() { $objects = array( 'b' => new string_test_class('ab'), 1 => new string_test_class('aa'), 0 => new string_test_class('cc') ); $result = core_collator::asort_objects_by_method($objects, 'get_protected_name'); $this->assertSame(array(1, 'b', 0), array_keys($objects)); $this->assertSame(array('aa', 'ab', 'cc'), $this->get_ordered_names($objects, 'get_protected_name')); $this->assertTrue($result); $objects = array( 'b' => new string_test_class('a20'), 1 => new string_test_class('a1'), 0 => new string_test_class('a100') ); $result = core_collator::asort_objects_by_method($objects, 'get_protected_name', core_collator::SORT_NATURAL); $this->assertSame(array(1, 'b', 0), array_keys($objects)); $this->assertSame(array('a1', 'a20', 'a100'), $this->get_ordered_names($objects, 'get_protected_name')); $this->assertTrue($result); } /** * Tests the static asort_objects_by_method method. */ public function test_asort_objects_by_property() { $objects = array( 'b' => new string_test_class('ab'), 1 => new string_test_class('aa'), 0 => new string_test_class('cc') ); $result = core_collator::asort_objects_by_property($objects, 'publicname'); $this->assertSame(array(1, 'b', 0), array_keys($objects)); $this->assertSame(array('aa', 'ab', 'cc'), $this->get_ordered_names($objects, 'publicname')); $this->assertTrue($result); $objects = array( 'b' => new string_test_class('a20'), 1 => new string_test_class('a1'), 0 => new string_test_class('a100') ); $result = core_collator::asort_objects_by_property($objects, 'publicname', core_collator::SORT_NATURAL); $this->assertSame(array(1, 'b', 0), array_keys($objects)); $this->assertSame(array('a1', 'a20', 'a100'), $this->get_ordered_names($objects, 'publicname')); $this->assertTrue($result); } /** * Tests the sorting of an array of arrays by key. */ public function test_asort_array_of_arrays_by_key() { $array = array( 'a' => array('name' => 'bravo'), 'b' => array('name' => 'charlie'), 'c' => array('name' => 'alpha') ); $this->assertSame(array('a', 'b', 'c'), array_keys($array)); $this->assertTrue(core_collator::asort_array_of_arrays_by_key($array, 'name')); $this->assertSame(array('c', 'a', 'b'), array_keys($array)); $array = array( 'a' => array('name' => 'b'), 'b' => array('name' => 1), 'c' => array('name' => 0) ); $this->assertSame(array('a', 'b', 'c'), array_keys($array)); $this->assertTrue(core_collator::asort_array_of_arrays_by_key($array, 'name')); $this->assertSame(array('c', 'b', 'a'), array_keys($array)); $array = array( 'a' => array('name' => 'áb'), 'b' => array('name' => 'ab'), 1 => array('name' => 'aa'), 'd' => array('name' => 'cc'), 0 => array('name' => 'Áb') ); $this->assertSame(array('a', 'b', 1, 'd', 0), array_keys($array)); $this->assertTrue(core_collator::asort_array_of_arrays_by_key($array, 'name')); $this->assertSame(array(1, 'b', 'a', 0, 'd'), array_keys($array)); $this->assertSame(array( 1 => array('name' => 'aa'), 'b' => array('name' => 'ab'), 'a' => array('name' => 'áb'), 0 => array('name' => 'Áb'), 'd' => array('name' => 'cc') ), $array); } /** * Returns an array of sorted names. * @param array $objects * @param string $methodproperty * @return array */ protected function get_ordered_names($objects, $methodproperty = 'get_protected_name') { $return = array(); foreach ($objects as $object) { if ($methodproperty == 'publicname') { $return[] = $object->publicname; } else { $return[] = $object->$methodproperty(); } } return $return; } /** * Tests the static ksort method. */ public function test_ksort() { $arr = array('b' => 'ab', 1 => 'aa', 0 => 'cc'); $result = core_collator::ksort($arr); $this->assertSame(array(0, 1, 'b'), array_keys($arr)); $this->assertSame(array('cc', 'aa', 'ab'), array_values($arr)); $this->assertTrue($result);
< $obj = new stdClass();
> $obj = new \stdClass();
$arr = array('1.1.1'=>array(), '1.2'=>$obj, '1.20.2'=>null); $result = core_collator::ksort($arr, core_collator::SORT_NATURAL); $this->assertSame(array('1.1.1', '1.2', '1.20.2'), array_keys($arr)); $this->assertSame(array(array(), $obj, null), array_values($arr)); $this->assertTrue($result); $a = array(2=>'b', 1=>'c'); $c =& $a; $b =& $a; core_collator::ksort($b); $this->assertSame($a, $b); $this->assertSame($c, $b); } } /** * Simple class used to work with the unit test. * * @package core * @category phpunit * @copyright 2011 Sam Hemelryk * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */
< class string_test_class extends stdClass {
> class string_test_class extends \stdClass {
/** * @var string A public property */ public $publicname; /** * @var string A protected property */ protected $protectedname; /** * @var string A private property */ private $privatename; /** * Constructs the test instance. * @param string $name */ public function __construct($name) { $this->publicname = $name; $this->protectedname = $name; $this->privatename = $name; } /** * Returns the protected property. * @return string */ public function get_protected_name() { return $this->protectedname; } /** * Returns the protected property. * @return string */ public function get_private_name() { return $this->publicname; } }