lib/simpletest/testmoodlelib.php

   1 <?php
   2
   3 ///////////////////////////////////////////////////////////////////////////
   4 //                                                                       //
   5 // NOTICE OF COPYRIGHT                                                   //
   6 //                                                                       //
   7 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   8 //          http://moodle.org                                            //
   9 //                                                                       //
  10 // Copyright (C) 1999 onwards Martin Dougiamas  http://dougiamas.com     //
  11 //                                                                       //
  12 // This program is free software; you can redistribute it and/or modify  //
  13 // it under the terms of the GNU General Public License as published by  //
  14 // the Free Software Foundation; either version 2 of the License, or     //
  15 // (at your option) any later version.                                   //
  16 //                                                                       //
  17 // This program is distributed in the hope that it will be useful,       //
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of        //
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         //
  20 // GNU General Public License for more details:                          //
  21 //                                                                       //
  22 //          http://www.gnu.org/copyleft/gpl.html                         //
  23 //                                                                       //
  24 ///////////////////////////////////////////////////////////////////////////
  25
  26 /**
  27  * Unit tests for (some of) ../moodlelib.php.
  28  *
  29  * Note, tests for get_string are in the separate file testgetstring.php.
  30  *
  31  * @copyright &copy; 2006 The Open University
  32  * @author T.J.Hunt@open.ac.uk
  33  * @author nicolas@moodle.com
  34  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  35  * @package moodlecore
  36  */
  37
  38 if (!defined('MOODLE_INTERNAL')) {
  39     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
  40 }
  41
  42 require_once($CFG->libdir . '/moodlelib.php');
  43
  44 class moodlelib_test extends UnitTestCase {
  45
  46     public static $includecoverage = array('lib/moodlelib.php');
  47
  48     var $user_agents = array(
  49             'MSIE' => array(
  50                 '5.5' => array('Windows 2000' => 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)'),
  51                 '6.0' => array('Windows XP SP2' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)'),
  52                 '7.0' => array('Windows XP SP2' => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; YPC 3.0.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)'),
  53                 '8.0' => array('Windows Vista' => 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648)'),
  54
  55             ),
  56             'Firefox' => array(
  57                 '1.0.6'   => array('Windows XP' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.10) Gecko/20050716 Firefox/1.0.6'),
  58                 '1.5'     => array('Windows XP' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; nl; rv:1.8) Gecko/20051107 Firefox/1.5'),
  59                 '1.5.0.1' => array('Windows XP' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.0.1) Gecko/20060111 Firefox/1.5.0.1'),
  60                 '2.0'     => array('Windows XP' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1',
  61                                    'Ubuntu Linux AMD64' => 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.8.1) Gecko/20060601 Firefox/2.0 (Ubuntu-edgy)'),
  62                 '3.0.6' => array('SUSE' => 'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.6) Gecko/2009012700 SUSE/3.0.6-1.4 Firefox/3.0.6'),
  63             ),
  64             'Safari' => array(
  65                 '312' => array('Mac OS X' => 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-us) AppleWebKit/312.1 (KHTML, like Gecko) Safari/312'),
  66                 '2.0' => array('Mac OS X' => 'Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/412 (KHTML, like Gecko) Safari/412')
  67             ),
  68             'Opera' => array(
  69                 '8.51' => array('Windows XP' => 'Opera/8.51 (Windows NT 5.1; U; en)'),
  70                 '9.0'  => array('Windows XP' => 'Opera/9.0 (Windows NT 5.1; U; en)',
  71                                 'Debian Linux' => 'Opera/9.01 (X11; Linux i686; U; en)')
  72             )
  73         );
  74
  75     function test_cleanremoteaddr() {
  76         //IPv4
  77         $this->assertEqual(cleanremoteaddr('1023.121.234.1'), null);
  78         $this->assertEqual(cleanremoteaddr('123.121.234.01 '), '123.121.234.1');
  79
  80         //IPv6
  81         $this->assertEqual(cleanremoteaddr('0:0:0:0:0:0:0:0:0'), null);
  82         $this->assertEqual(cleanremoteaddr('0:0:0:0:0:0:0:abh'), null);
  83         $this->assertEqual(cleanremoteaddr('0:0:0:::0:0:1'), null);
  84         $this->assertEqual(cleanremoteaddr('0:0:0:0:0:0:0:0', true), '::');
  85         $this->assertEqual(cleanremoteaddr('0:0:0:0:0:0:1:1', true), '::1:1');
  86         $this->assertEqual(cleanremoteaddr('abcd:00ef:0:0:0:0:0:0', true), 'abcd:ef::');
  87         $this->assertEqual(cleanremoteaddr('1:0:0:0:0:0:0:1', true), '1::1');
  88         $this->assertEqual(cleanremoteaddr('::10:1', false), '0:0:0:0:0:0:10:1');
  89         $this->assertEqual(cleanremoteaddr('01:1::', false), '1:1:0:0:0:0:0:0');
  90         $this->assertEqual(cleanremoteaddr('10::10', false), '10:0:0:0:0:0:0:10');
  91         $this->assertEqual(cleanremoteaddr('::ffff:192.168.1.1', true), '::ffff:c0a8:11');
  92     }
  93
  94     function test_address_in_subnet() {
  95     /// 1: xxx.xxx.xxx.xxx/nn or xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx/nnn          (number of bits in net mask)
  96         $this->assertTrue(address_in_subnet('123.121.234.1', '123.121.234.1/32'));
  97         $this->assertFalse(address_in_subnet('123.121.23.1', '123.121.23.0/32'));
  98         $this->assertTrue(address_in_subnet('10.10.10.100',  '123.121.23.45/0'));
  99         $this->assertTrue(address_in_subnet('123.121.234.1', '123.121.234.0/24'));
 100         $this->assertFalse(address_in_subnet('123.121.34.1', '123.121.234.0/24'));
 101         $this->assertTrue(address_in_subnet('123.121.234.1', '123.121.234.0/30'));
 102         $this->assertFalse(address_in_subnet('123.121.23.8', '123.121.23.0/30'));
 103         $this->assertTrue(address_in_subnet('baba:baba::baba', 'baba:baba::baba/128'));
 104         $this->assertFalse(address_in_subnet('bab:baba::baba', 'bab:baba::cece/128'));
 105         $this->assertTrue(address_in_subnet('baba:baba::baba', 'cece:cece::cece/0'));
 106         $this->assertTrue(address_in_subnet('baba:baba::baba', 'baba:baba::baba/128'));
 107         $this->assertTrue(address_in_subnet('baba:baba::00ba', 'baba:baba::/120'));
 108         $this->assertFalse(address_in_subnet('baba:baba::aba', 'baba:baba::/120'));
 109         $this->assertTrue(address_in_subnet('baba::baba:00ba', 'baba::baba:0/112'));
 110         $this->assertFalse(address_in_subnet('baba::aba:00ba', 'baba::baba:0/112'));
 111         $this->assertFalse(address_in_subnet('aba::baba:0000', 'baba::baba:0/112'));
 112
 113         // fixed input
 114         $this->assertTrue(address_in_subnet('123.121.23.1   ', ' 123.121.23.0 / 24'));
 115         $this->assertTrue(address_in_subnet('::ffff:10.1.1.1', ' 0:0:0:000:0:ffff:a1:10 / 126'));
 116
 117         // incorrect input
 118         $this->assertFalse(address_in_subnet('123.121.234.1', '123.121.234.1/-2'));
 119         $this->assertFalse(address_in_subnet('123.121.234.1', '123.121.234.1/64'));
 120         $this->assertFalse(address_in_subnet('123.121.234.x', '123.121.234.1/24'));
 121         $this->assertFalse(address_in_subnet('123.121.234.0', '123.121.234.xx/24'));
 122         $this->assertFalse(address_in_subnet('123.121.234.1', '123.121.234.1/xx0'));
 123         $this->assertFalse(address_in_subnet('::1', '::aa:0/xx0'));
 124         $this->assertFalse(address_in_subnet('::1', '::aa:0/-5'));
 125         $this->assertFalse(address_in_subnet('::1', '::aa:0/130'));
 126         $this->assertFalse(address_in_subnet('x:1', '::aa:0/130'));
 127         $this->assertFalse(address_in_subnet('::1', '::ax:0/130'));
 128
 129
 130     /// 2: xxx.xxx.xxx.xxx-yyy or  xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx::xxxx-yyyy (a range of IP addresses in the last group)
 131         $this->assertTrue(address_in_subnet('123.121.234.12', '123.121.234.12-14'));
 132         $this->assertTrue(address_in_subnet('123.121.234.13', '123.121.234.12-14'));
 133         $this->assertTrue(address_in_subnet('123.121.234.14', '123.121.234.12-14'));
 134         $this->assertFalse(address_in_subnet('123.121.234.1', '123.121.234.12-14'));
 135         $this->assertFalse(address_in_subnet('123.121.234.20', '123.121.234.12-14'));
 136         $this->assertFalse(address_in_subnet('123.121.23.12', '123.121.234.12-14'));
 137         $this->assertFalse(address_in_subnet('123.12.234.12', '123.121.234.12-14'));
 138         $this->assertTrue(address_in_subnet('baba:baba::baba', 'baba:baba::baba-babe'));
 139         $this->assertTrue(address_in_subnet('baba:baba::babc', 'baba:baba::baba-babe'));
 140         $this->assertTrue(address_in_subnet('baba:baba::babe', 'baba:baba::baba-babe'));
 141         $this->assertFalse(address_in_subnet('bab:baba::bab0', 'bab:baba::baba-babe'));
 142         $this->assertFalse(address_in_subnet('bab:baba::babf', 'bab:baba::baba-babe'));
 143         $this->assertFalse(address_in_subnet('bab:baba::bfbe', 'bab:baba::baba-babe'));
 144         $this->assertFalse(address_in_subnet('bfb:baba::babe', 'bab:baba::baba-babe'));
 145
 146         // fixed input
 147         $this->assertTrue(address_in_subnet('123.121.234.12', '123.121.234.12 - 14 '));
 148         $this->assertTrue(address_in_subnet('bab:baba::babe', 'bab:baba::baba - babe  '));
 149
 150         // incorrect input
 151         $this->assertFalse(address_in_subnet('123.121.234.12', '123.121.234.12-234.14'));
 152         $this->assertFalse(address_in_subnet('123.121.234.12', '123.121.234.12-256'));
 153         $this->assertFalse(address_in_subnet('123.121.234.12', '123.121.234.12--256'));
 154
 155
 156     /// 3: xxx.xxx or xxx.xxx. or xxx:xxx:xxxx or xxx:xxx:xxxx.                  (incomplete address, a bit non-technical ;-)
 157         $this->assertTrue(address_in_subnet('123.121.234.12', '123.121.234.12'));
 158         $this->assertFalse(address_in_subnet('123.121.23.12', '123.121.23.13'));
 159         $this->assertTrue(address_in_subnet('123.121.234.12', '123.121.234.'));
 160         $this->assertTrue(address_in_subnet('123.121.234.12', '123.121.234'));
 161         $this->assertTrue(address_in_subnet('123.121.234.12', '123.121'));
 162         $this->assertTrue(address_in_subnet('123.121.234.12', '123'));
 163         $this->assertFalse(address_in_subnet('123.121.234.1', '12.121.234.'));
 164         $this->assertFalse(address_in_subnet('123.121.234.1', '12.121.234'));
 165         $this->assertTrue(address_in_subnet('baba:baba::bab', 'baba:baba::bab'));
 166         $this->assertFalse(address_in_subnet('baba:baba::ba', 'baba:baba::bc'));
 167         $this->assertTrue(address_in_subnet('baba:baba::bab', 'baba:baba'));
 168         $this->assertTrue(address_in_subnet('baba:baba::bab', 'baba:'));
 169         $this->assertFalse(address_in_subnet('bab:baba::bab', 'baba:'));
 170
 171
 172     /// multiple subnets
 173         $this->assertTrue(address_in_subnet('123.121.234.12', '::1/64, 124., 123.121.234.10-30'));
 174         $this->assertTrue(address_in_subnet('124.121.234.12', '::1/64, 124., 123.121.234.10-30'));
 175         $this->assertTrue(address_in_subnet('::2',            '::1/64, 124., 123.121.234.10-30'));
 176         $this->assertFalse(address_in_subnet('12.121.234.12', '::1/64, 124., 123.121.234.10-30'));
 177
 178
 179     /// other incorrect input
 180         $this->assertFalse(address_in_subnet('123.123.123.123', ''));
 181     }
 182
 183     /**
 184      * Modifies $_SERVER['HTTP_USER_AGENT'] manually to check if check_browser_version
 185      * works as expected.
 186      */
 187     function test_check_browser_version()
 188     {
 189         global $CFG;
 190
 191         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Safari']['2.0']['Mac OS X'];
 192         $this->assertTrue(check_browser_version('Safari', '312'));
 193         $this->assertFalse(check_browser_version('Safari', '500'));
 194
 195         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Opera']['9.0']['Windows XP'];
 196         $this->assertTrue(check_browser_version('Opera', '8.0'));
 197         $this->assertFalse(check_browser_version('Opera', '10.0'));
 198
 199         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['MSIE']['6.0']['Windows XP SP2'];
 200         $this->assertTrue(check_browser_version('MSIE', '5.0'));
 201         $this->assertFalse(check_browser_version('MSIE', '7.0'));
 202
 203         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Firefox']['2.0']['Windows XP'];
 204         $this->assertTrue(check_browser_version('Firefox', '1.5'));
 205         $this->assertFalse(check_browser_version('Firefox', '3.0'));
 206     }
 207
 208     function test_get_browser_version_classes() {
 209         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Safari']['2.0']['Mac OS X'];
 210         $this->assertEqual(array('safari'), get_browser_version_classes());
 211
 212         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Opera']['9.0']['Windows XP'];
 213         $this->assertEqual(array('opera'), get_browser_version_classes());
 214
 215         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['MSIE']['6.0']['Windows XP SP2'];
 216         $this->assertEqual(array('ie', 'ie6'), get_browser_version_classes());
 217
 218         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['MSIE']['7.0']['Windows XP SP2'];
 219         $this->assertEqual(array('ie', 'ie7'), get_browser_version_classes());
 220
 221         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['MSIE']['8.0']['Windows Vista'];
 222         $this->assertEqual(array('ie', 'ie8'), get_browser_version_classes());
 223
 224         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Firefox']['2.0']['Windows XP'];
 225         $this->assertEqual(array('gecko', 'gecko18'), get_browser_version_classes());
 226
 227         $_SERVER['HTTP_USER_AGENT'] = $this->user_agents['Firefox']['3.0.6']['SUSE'];
 228         $this->assertEqual(array('gecko', 'gecko19'), get_browser_version_classes());
 229     }
 230
 231     function test_optional_param() {
 232         $_POST['username'] = 'post_user';
 233         $_GET['username'] = 'get_user';
 234         $this->assertEqual(optional_param('username', 'default_user', PARAM_CLEAN), 'post_user');
 235
 236         unset($_POST['username']);
 237         $this->assertEqual(optional_param('username', 'default_user', PARAM_CLEAN), 'get_user');
 238
 239         unset($_GET['username']);
 240         $this->assertEqual(optional_param('username', 'default_user', PARAM_CLEAN), 'default_user');
 241     }
 242
 243     /**
 244      * Used by {@link optional_param()} and {@link required_param()} to
 245      * clean the variables and/or cast to specific types, based on
 246      * an options field.
 247      * <code>
 248      * $course->format = clean_param($course->format, PARAM_ALPHA);
 249      * $selectedgrade_item = clean_param($selectedgrade_item, PARAM_CLEAN);
 250      * </code>
 251      *
 252      * @uses $CFG
 253      * @uses PARAM_CLEAN
 254      * @uses PARAM_INT
 255      * @uses PARAM_INTEGER
 256      * @uses PARAM_ALPHA
 257      * @uses PARAM_ALPHANUM
 258      * @uses PARAM_NOTAGS
 259      * @uses PARAM_ALPHAEXT
 260      * @uses PARAM_BOOL
 261      * @uses PARAM_SAFEDIR
 262      * @uses PARAM_FILE
 263      * @uses PARAM_PATH
 264      * @uses PARAM_HOST
 265      * @uses PARAM_URL
 266      * @uses PARAM_LOCALURL
 267      * @uses PARAM_CLEANHTML
 268      * @uses PARAM_SEQUENCE
 269      * @uses PARAM_USERNAME
 270      * @param mixed $param the variable we are cleaning
 271      * @param int $type expected format of param after cleaning.
 272      * @return mixed
 273      */
 274     function test_clean_param() {
 275         global $CFG;
 276         // Test unknown parameter type
 277
 278         // Test Raw param
 279         $this->assertEqual(clean_param('#()*#,9789\'".,<42897></?$(*DSFMO#$*)(SDJ)($*)', PARAM_RAW),
 280             '#()*#,9789\'".,<42897></?$(*DSFMO#$*)(SDJ)($*)');
 281
 282         $this->assertEqual(clean_param('#()*#,9789\'".,<42897></?$(*DSFMO#$*)(SDJ)($*)', PARAM_CLEAN),
 283             '#()*#,9789\'".,');
 284
 285         // Test PARAM_URL and PARAM_LOCALURL a bit
 286         $this->assertEqual(clean_param('http://google.com/', PARAM_URL), 'http://google.com/');
 287         $this->assertEqual(clean_param('http://some.very.long.and.silly.domain/with/a/path/', PARAM_URL), 'http://some.very.long.and.silly.domain/with/a/path/');
 288         $this->assertEqual(clean_param('http://localhost/', PARAM_URL), 'http://localhost/');
 289         $this->assertEqual(clean_param('http://0.255.1.1/numericip.php', PARAM_URL), 'http://0.255.1.1/numericip.php');
 290         $this->assertEqual(clean_param('/just/a/path', PARAM_URL), '/just/a/path');
 291         $this->assertEqual(clean_param('funny:thing', PARAM_URL), '');
 292
 293         $this->assertEqual(clean_param('http://google.com/', PARAM_LOCALURL), '');
 294         $this->assertEqual(clean_param('http://some.very.long.and.silly.domain/with/a/path/', PARAM_LOCALURL), '');
 295         $this->assertEqual(clean_param($CFG->wwwroot, PARAM_LOCALURL), $CFG->wwwroot);
 296         $this->assertEqual(clean_param('/just/a/path', PARAM_LOCALURL), '/just/a/path');
 297         $this->assertEqual(clean_param('funny:thing', PARAM_LOCALURL), '');
 298         $this->assertEqual(clean_param('course/view.php?id=3', PARAM_LOCALURL), 'course/view.php?id=3');
 299
 300         $currentstatus =  $CFG->extendedusernamechars;
 301
 302         // Run tests with extended character == FALSE;
 303         $CFG->extendedusernamechars = FALSE;
 304         $this->assertEqual(clean_param('johndoe123', PARAM_USERNAME), 'johndoe123' );
 305         $this->assertEqual(clean_param('john.doe', PARAM_USERNAME), 'john.doe');
 306         $this->assertEqual(clean_param('john-doe', PARAM_USERNAME), 'john-doe');
 307         $this->assertEqual(clean_param('john- doe', PARAM_USERNAME), 'john-doe');
 308         $this->assertEqual(clean_param('john_doe', PARAM_USERNAME), 'john_doe');
 309         $this->assertEqual(clean_param('john@doe', PARAM_USERNAME), 'john@doe');
 310         $this->assertEqual(clean_param('john~doe', PARAM_USERNAME), 'johndoe');
 311         $this->assertEqual(clean_param('john´doe', PARAM_USERNAME), 'johndoe');
 312         $this->assertEqual(clean_param('john#$%&() ', PARAM_USERNAME), 'john');
 313         $this->assertEqual(clean_param('JOHNdóé ', PARAM_USERNAME), 'johnd');
 314         $this->assertEqual(clean_param('john.,:;-_/|\ñÑ[]A_X-,D {} ~!@#$%^&*()_+ ?><[] ščřžžý ?ýá\9e?\9eý??\9adoe ', PARAM_USERNAME), 'john.-_a_x-d@_doe');
 315
 316
 317         // Test success condition, if extendedusernamechars == ENABLE;
 318         $CFG->extendedusernamechars = TRUE;
 319         $this->assertEqual(clean_param('john_doe', PARAM_USERNAME), 'john_doe');
 320         $this->assertEqual(clean_param('john@doe', PARAM_USERNAME), 'john@doe');
 321         $this->assertEqual(clean_param('john# $%&()+_^', PARAM_USERNAME), 'john#$%&()+_^');
 322         $this->assertEqual(clean_param('john~doe', PARAM_USERNAME), 'john~doe');
 323         $this->assertEqual(clean_param('joHN´doe', PARAM_USERNAME), 'john´doe');
 324         $this->assertEqual(clean_param('johnDOE', PARAM_USERNAME), 'johndoe');
 325         $this->assertEqual(clean_param('johndóé ', PARAM_USERNAME), 'johndóé');
 326
 327         $CFG->extendedusernamechars = $currentstatus;
 328     }
 329
 330     function test_validate_param() {
 331         try {
 332             $param = validate_param('11a', PARAM_INT);
 333             $this->fail('invalid_parameter_exception expected');
 334         } catch (invalid_parameter_exception $ex) {
 335             $this->assertTrue(true);
 336         }
 337         try {
 338             $param = validate_param('11', PARAM_INT);
 339             $this->assertEqual($param, 11);
 340         } catch (invalid_parameter_exception $ex) {
 341             $this->fail('invalid_parameter_exception not expected');
 342         }
 343         try {
 344             $param = validate_param(null, PARAM_INT, false);
 345             $this->fail('invalid_parameter_exception expected');
 346         } catch (invalid_parameter_exception $ex) {
 347             $this->assertTrue(true);
 348         }
 349         try {
 350             $param = validate_param(null, PARAM_INT, true);
 351             $this->assertTrue($param===null);
 352         } catch (invalid_parameter_exception $ex) {
 353             $this->fail('invalid_parameter_exception expected');
 354         }
 355         try {
 356             $param = validate_param(array(), PARAM_INT);
 357             $this->fail('invalid_parameter_exception expected');
 358         } catch (invalid_parameter_exception $ex) {
 359             $this->assertTrue(true);
 360         }
 361         try {
 362             $param = validate_param(new stdClass, PARAM_INT);
 363             $this->fail('invalid_parameter_exception expected');
 364         } catch (invalid_parameter_exception $ex) {
 365             $this->assertTrue(true);
 366         }
 367     }
 368
 369     function test_make_user_directory() {
 370         global $CFG;
 371
 372         // Test success conditions
 373         $this->assertEqual("$CFG->dataroot/user/0/0", make_user_directory(0, true));
 374         $this->assertEqual("$CFG->dataroot/user/0/1", make_user_directory(1, true));
 375         $this->assertEqual("$CFG->dataroot/user/0/999", make_user_directory(999, true));
 376         $this->assertEqual("$CFG->dataroot/user/1000/1000", make_user_directory(1000, true));
 377         $this->assertEqual("$CFG->dataroot/user/2147483000/2147483647", make_user_directory(2147483647, true)); // Largest int possible
 378
 379         // Test fail conditions
 380         $this->assertFalse(make_user_directory(2147483648, true)); // outside int boundary
 381         $this->assertFalse(make_user_directory(-1, true));
 382         $this->assertFalse(make_user_directory('string', true));
 383         $this->assertFalse(make_user_directory(false, true));
 384         $this->assertFalse(make_user_directory(true, true));
 385
 386     }
 387
 388     function test_shorten_text() {
 389         $text = "short text already no tags";
 390         $this->assertEqual($text, shorten_text($text));
 391
 392         $text = "<p>short <b>text</b> already</p><p>with tags</p>";
 393         $this->assertEqual($text, shorten_text($text));
 394
 395         $text = "long text without any tags blah de blah blah blah what";
 396         $this->assertEqual('long text without any tags ...', shorten_text($text));
 397
 398         $text = "<div class='frog'><p><blockquote>Long text with tags that will ".
 399             "be chopped off but <b>should be added back again</b></blockquote></p></div>";
 400         $this->assertEqual("<div class='frog'><p><blockquote>Long text with " .
 401             "tags that ...</blockquote></p></div>", shorten_text($text));
 402
 403         $text = "some text which shouldn't &nbsp; break there";
 404         $this->assertEqual("some text which shouldn't &nbsp; ...",
 405             shorten_text($text, 31));
 406         $this->assertEqual("some text which shouldn't ...",
 407             shorten_text($text, 30));
 408
 409         // This case caused a bug up to 1.9.5
 410         $text = "<h3>standard 'break-out' sub groups in TGs?</h3>&nbsp;&lt;&lt;There are several";
 411         $this->assertEqual("<h3>standard 'break-out' sub groups in ...</h3>",
 412             shorten_text($text, 43));
 413
 414         $text = "<h1>123456789</h1>";//a string with no convenient breaks
 415         $this->assertEqual("<h1>12345...</h1>",
 416             shorten_text($text, 8));
 417     }
 418
 419     function test_usergetdate() {
 420         $ts = 1261540267; //the time this function was created
 421
 422         $arr = usergetdate($ts,1);
 423         $arr = array_values($arr);
 424
 425         list($seconds,$minutes,$hours,$mday,$wday,$mon,$year,$yday,$weekday,$month) = $arr;
 426         $this->assertEqual($seconds,7);
 427         $this->assertEqual($minutes,51);
 428         $this->assertEqual($hours,4);
 429         $this->assertEqual($mday,23);
 430         $this->assertEqual($wday,3);
 431         $this->assertEqual($mon,12);
 432         $this->assertEqual($year,2009);
 433         $this->assertEqual($yday,357);
 434         $this->assertEqual($weekday,'Wednesday');
 435         $this->assertEqual($month,'December');
 436
 437         $arr = usergetdate($ts);
 438         $arr = array_values($arr);
 439
 440         list($seconds,$minutes,$hours,$mday,$wday,$mon,$year,$yday,$weekday,$month) = $arr;
 441         $this->assertEqual($seconds,7);
 442         $this->assertEqual($minutes,51);
 443         $this->assertEqual($hours,11);
 444         $this->assertEqual($mday,23);
 445         $this->assertEqual($wday,3);
 446         $this->assertEqual($mon,12);
 447         $this->assertEqual($year,2009);
 448         $this->assertEqual($yday,356);
 449         $this->assertEqual($weekday,'Wednesday');
 450         $this->assertEqual($month,'December');
 451     }
 452 }