[Summary view]

Differences Between: [Versions 310 and 311] [Versions 311 and 401] [Versions 311 and 402] [Versions 311 and 403] [Versions 39 and 311]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core;
  18  
  19  /**
  20   * Unit tests for setuplib.php
  21   *
  22   * @package   core
  23   * @category  test
  24   * @copyright 2012 The Open University
  25   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   */
  27  class setuplib_test extends \advanced_testcase {
  28  
  29      /**
  30       * Test get_docs_url_standard in the normal case when we should link to Moodle docs.
  31       */
  32      public function test_get_docs_url_standard() {
  33          global $CFG;
  34          if (empty($CFG->docroot)) {
  35              $docroot = 'http://docs.moodle.org/';
  36          } else {
  37              $docroot = $CFG->docroot;
  38          }
  39          $this->assertMatchesRegularExpression(
  40              '~^' . preg_quote($docroot, '') . '/\d{2,3}/' . current_language() . '/course/editing$~',
  41              get_docs_url('course/editing')
  42          );
  43      }
  44  
  45      /**
  46       * Test get_docs_url_standard in the special case of an absolute HTTP URL.
  47       */
  48      public function test_get_docs_url_http() {
  49          $url = 'http://moodle.org/';
  50          $this->assertEquals($url, get_docs_url($url));
  51      }
  52  
  53      /**
  54       * Test get_docs_url_standard in the special case of an absolute HTTPS URL.
  55       */
  56      public function test_get_docs_url_https() {
  57          $url = 'https://moodle.org/';
  58          $this->assertEquals($url, get_docs_url($url));
  59      }
  60  
  61      /**
  62       * Test get_docs_url_standard in the special case of a link relative to wwwroot.
  63       */
  64      public function test_get_docs_url_wwwroot() {
  65          global $CFG;
  66          $this->assertSame($CFG->wwwroot . '/lib/tests/setuplib_test.php',
  67                  get_docs_url('%%WWWROOT%%/lib/tests/setuplib_test.php'));
  68      }
  69  
  70      /**
  71       * Test if get_exception_info() removes file system paths.
  72       */
  73      public function test_exception_info_removes_serverpaths() {
  74          global $CFG;
  75  
  76          // This doesn't test them all possible ones, but these are set for unit tests.
  77          $cfgnames = array('dataroot', 'dirroot', 'tempdir', 'backuptempdir', 'cachedir', 'localcachedir');
  78  
  79          $fixture  = '';
  80          $expected = '';
  81          foreach ($cfgnames as $cfgname) {
  82              if (!empty($CFG->$cfgname)) {
  83                  $fixture  .= $CFG->$cfgname.' ';
  84                  $expected .= "[$cfgname] ";
  85              }
  86          }
  87          $exception     = new \moodle_exception('generalexceptionmessage', 'error', '', $fixture, $fixture);
  88          $exceptioninfo = get_exception_info($exception);
  89  
  90          $this->assertStringContainsString($expected, $exceptioninfo->message,
  91              'Exception message does not contain system paths');
  92          $this->assertStringContainsString($expected, $exceptioninfo->debuginfo,
  93              'Exception debug info does not contain system paths');
  94      }
  95  
  96      public function test_localcachedir() {
  97          global $CFG;
  98  
  99          $this->resetAfterTest(true);
 100  
 101          // Test default location - can not be modified in phpunit tests because we override everything in config.php.
 102          $this->assertSame("$CFG->dataroot/localcache", $CFG->localcachedir);
 103  
 104          $this->setCurrentTimeStart();
 105          $timestampfile = "$CFG->localcachedir/.lastpurged";
 106  
 107          // Delete existing localcache directory, as this is testing first call
 108          // to make_localcache_directory.
 109          remove_dir($CFG->localcachedir, true);
 110          $dir = make_localcache_directory('', false);
 111          $this->assertSame($CFG->localcachedir, $dir);
 112          $this->assertFileDoesNotExist("$CFG->localcachedir/.htaccess");
 113          $this->assertFileExists($timestampfile);
 114          $this->assertTimeCurrent(filemtime($timestampfile));
 115  
 116          $dir = make_localcache_directory('test/test', false);
 117          $this->assertSame("$CFG->localcachedir/test/test", $dir);
 118  
 119          // Test custom location.
 120          $CFG->localcachedir = "$CFG->dataroot/testlocalcache";
 121          $this->setCurrentTimeStart();
 122          $timestampfile = "$CFG->localcachedir/.lastpurged";
 123          $this->assertFileDoesNotExist($timestampfile);
 124  
 125          $dir = make_localcache_directory('', false);
 126          $this->assertSame($CFG->localcachedir, $dir);
 127          $this->assertFileExists("$CFG->localcachedir/.htaccess");
 128          $this->assertFileExists($timestampfile);
 129          $this->assertTimeCurrent(filemtime($timestampfile));
 130  
 131          $dir = make_localcache_directory('test', false);
 132          $this->assertSame("$CFG->localcachedir/test", $dir);
 133  
 134          $prevtime = filemtime($timestampfile);
 135          $dir = make_localcache_directory('pokus', false);
 136          $this->assertSame("$CFG->localcachedir/pokus", $dir);
 137          $this->assertSame($prevtime, filemtime($timestampfile));
 138  
 139          // Test purging.
 140          $testfile = "$CFG->localcachedir/test/test.txt";
 141          $this->assertTrue(touch($testfile));
 142  
 143          $now = $this->setCurrentTimeStart();
 144          set_config('localcachedirpurged', $now - 2);
 145          purge_all_caches();
 146          $this->assertFileDoesNotExist($testfile);
 147          $this->assertFileDoesNotExist(dirname($testfile));
 148          $this->assertFileExists($timestampfile);
 149          $this->assertTimeCurrent(filemtime($timestampfile));
 150          $this->assertTimeCurrent($CFG->localcachedirpurged);
 151  
 152          // Simulates purge_all_caches() on another server node.
 153          make_localcache_directory('test', false);
 154          $this->assertTrue(touch($testfile));
 155          set_config('localcachedirpurged', $now - 1);
 156          $this->assertTrue(touch($timestampfile, $now - 2));
 157          clearstatcache();
 158          $this->assertSame($now - 2, filemtime($timestampfile));
 159  
 160          $this->setCurrentTimeStart();
 161          $dir = make_localcache_directory('', false);
 162          $this->assertSame("$CFG->localcachedir", $dir);
 163          $this->assertFileDoesNotExist($testfile);
 164          $this->assertFileDoesNotExist(dirname($testfile));
 165          $this->assertFileExists($timestampfile);
 166          $this->assertTimeCurrent(filemtime($timestampfile));
 167      }
 168  
 169      public function test_make_unique_directory_basedir_is_file() {
 170          global $CFG;
 171  
 172          // Start with a file instead of a directory.
 173          $base = $CFG->tempdir . DIRECTORY_SEPARATOR . md5(microtime(true) + rand());
 174          touch($base);
 175  
 176          // First the false test.
 177          $this->assertFalse(make_unique_writable_directory($base, false));
 178  
 179          // Now check for exception.
 180          $this->expectException('invalid_dataroot_permissions');
 181          $this->expectExceptionMessage($base . ' is not writable. Unable to create a unique directory within it.');
 182          make_unique_writable_directory($base);
 183  
 184          unlink($base);
 185      }
 186  
 187      public function test_make_unique_directory() {
 188          global $CFG;
 189  
 190          // Create directories should be both directories, and writable.
 191          $firstdir = make_unique_writable_directory($CFG->tempdir);
 192          $this->assertTrue(is_dir($firstdir));
 193          $this->assertTrue(is_writable($firstdir));
 194  
 195          $seconddir = make_unique_writable_directory($CFG->tempdir);
 196          $this->assertTrue(is_dir($seconddir));
 197          $this->assertTrue(is_writable($seconddir));
 198  
 199          // Directories should be different each iteration.
 200          $this->assertNotEquals($firstdir, $seconddir);
 201      }
 202  
 203      public function test_get_request_storage_directory() {
 204          $this->resetAfterTest(true);
 205  
 206          // Making a call to get_request_storage_directory should always give the same result.
 207          $firstdir = get_request_storage_directory();
 208          $seconddir = get_request_storage_directory();
 209          $this->assertTrue(is_dir($firstdir));
 210          $this->assertEquals($firstdir, $seconddir);
 211  
 212          // Removing the directory and calling get_request_storage_directory() again should cause a new directory to be created.
 213          remove_dir($firstdir);
 214          $this->assertFalse(file_exists($firstdir));
 215          $this->assertFalse(is_dir($firstdir));
 216  
 217          $thirddir = get_request_storage_directory();
 218          $this->assertTrue(is_dir($thirddir));
 219          $this->assertNotEquals($firstdir, $thirddir);
 220  
 221          // Removing it and replacing it with a file should cause it to be regenerated again.
 222          remove_dir($thirddir);
 223          $this->assertFalse(file_exists($thirddir));
 224          $this->assertFalse(is_dir($thirddir));
 225          touch($thirddir);
 226          $this->assertTrue(file_exists($thirddir));
 227          $this->assertFalse(is_dir($thirddir));
 228  
 229          $fourthdir = get_request_storage_directory();
 230          $this->assertTrue(is_dir($fourthdir));
 231          $this->assertNotEquals($thirddir, $fourthdir);
 232  
 233          $now = $this->setCurrentTimeStart();
 234          set_config('localcachedirpurged', $now - 2);
 235          purge_all_caches();
 236          $this->assertTrue(is_dir($fourthdir));
 237      }
 238  
 239  
 240      public function test_make_request_directory() {
 241          // Every request directory should be unique.
 242          $firstdir   = make_request_directory();
 243          $seconddir  = make_request_directory();
 244          $thirddir   = make_request_directory();
 245          $fourthdir  = make_request_directory();
 246  
 247          $this->assertNotEquals($firstdir,   $seconddir);
 248          $this->assertNotEquals($firstdir,   $thirddir);
 249          $this->assertNotEquals($firstdir,   $fourthdir);
 250          $this->assertNotEquals($seconddir,  $thirddir);
 251          $this->assertNotEquals($seconddir,  $fourthdir);
 252          $this->assertNotEquals($thirddir,   $fourthdir);
 253  
 254          // They should also all be within the request storage directory.
 255          $requestdir = get_request_storage_directory();
 256          $this->assertEquals(0, strpos($firstdir,    $requestdir));
 257          $this->assertEquals(0, strpos($seconddir,   $requestdir));
 258          $this->assertEquals(0, strpos($thirddir,    $requestdir));
 259          $this->assertEquals(0, strpos($fourthdir,   $requestdir));
 260  
 261          // Removing the requestdir should mean that new request directories are still created successfully.
 262          remove_dir($requestdir);
 263          $this->assertFalse(file_exists($requestdir));
 264          $this->assertFalse(is_dir($requestdir));
 265  
 266          $fifthdir   = make_request_directory();
 267          $this->assertNotEquals($firstdir,   $fifthdir);
 268          $this->assertNotEquals($seconddir,  $fifthdir);
 269          $this->assertNotEquals($thirddir,   $fifthdir);
 270          $this->assertNotEquals($fourthdir,  $fifthdir);
 271          $this->assertTrue(is_dir($fifthdir));
 272          $this->assertFalse(strpos($fifthdir, $requestdir));
 273  
 274          // And it should be within the new request directory.
 275          $newrequestdir = get_request_storage_directory();
 276          $this->assertEquals(0, strpos($fifthdir, $newrequestdir));
 277      }
 278  
 279      public function test_merge_query_params() {
 280          $original = array(
 281              'id' => '1',
 282              'course' => '2',
 283              'action' => 'delete',
 284              'grade' => array(
 285                  0 => 'a',
 286                  1 => 'b',
 287                  2 => 'c',
 288              ),
 289              'items' => array(
 290                  'a' => 'aa',
 291                  'b' => 'bb',
 292              ),
 293              'mix' => array(
 294                  0 => '2',
 295              ),
 296              'numerical' => array(
 297                  '2' => array('a' => 'b'),
 298                  '1' => '2',
 299              ),
 300          );
 301  
 302          $chunk = array(
 303              'numerical' => array(
 304                  '0' => 'z',
 305                  '2' => array('d' => 'e'),
 306              ),
 307              'action' => 'create',
 308              'next' => '2',
 309              'grade' => array(
 310                  0 => 'e',
 311                  1 => 'f',
 312                  2 => 'g',
 313              ),
 314              'mix' => 'mix',
 315          );
 316  
 317          $expected = array(
 318              'id' => '1',
 319              'course' => '2',
 320              'action' => 'create',
 321              'grade' => array(
 322                  0 => 'a',
 323                  1 => 'b',
 324                  2 => 'c',
 325                  3 => 'e',
 326                  4 => 'f',
 327                  5 => 'g',
 328              ),
 329              'items' => array(
 330                  'a' => 'aa',
 331                  'b' => 'bb',
 332              ),
 333              'mix' => 'mix',
 334              'numerical' => array(
 335                  '2' => array('a' => 'b', 'd' => 'e'),
 336                  '1' => '2',
 337                  '0' => 'z',
 338              ),
 339              'next' => '2',
 340          );
 341  
 342          $array = $original;
 343          merge_query_params($array, $chunk);
 344  
 345          $this->assertSame($expected, $array);
 346          $this->assertNotSame($original, $array);
 347  
 348          $query = "id=1&course=2&action=create&grade%5B%5D=a&grade%5B%5D=b&grade%5B%5D=c&grade%5B%5D=e&grade%5B%5D=f&grade%5B%5D=g&items%5Ba%5D=aa&items%5Bb%5D=bb&mix=mix&numerical%5B2%5D%5Ba%5D=b&numerical%5B2%5D%5Bd%5D=e&numerical%5B1%5D=2&numerical%5B0%5D=z&next=2";
 349          $decoded = array();
 350          parse_str($query, $decoded);
 351          $this->assertSame($expected, $decoded);
 352  
 353          // Prove that we cannot use array_merge_recursive() instead.
 354          $this->assertNotSame($expected, array_merge_recursive($original, $chunk));
 355      }
 356  
 357      /**
 358       * Test the link processed by get_exception_info().
 359       */
 360      public function test_get_exception_info_link() {
 361          global $CFG, $SESSION;
 362  
 363          $httpswwwroot = str_replace('http:', 'https:', $CFG->wwwroot);
 364  
 365          // Simple local URL.
 366          $url = $CFG->wwwroot . '/something/here?really=yes';
 367          $exception = new \moodle_exception('none', 'error', $url);
 368          $infos = $this->get_exception_info($exception);
 369          $this->assertSame($url, $infos->link);
 370  
 371          // Relative local URL.
 372          $url = '/something/here?really=yes';
 373          $exception = new \moodle_exception('none', 'error', $url);
 374          $infos = $this->get_exception_info($exception);
 375          $this->assertSame($CFG->wwwroot . '/', $infos->link);
 376  
 377          // HTTPS URL when login HTTPS is not enabled (default) and site is HTTP.
 378          $CFG->wwwroot = str_replace('https:', 'http:', $CFG->wwwroot);
 379          $url = $httpswwwroot . '/something/here?really=yes';
 380          $exception = new \moodle_exception('none', 'error', $url);
 381          $infos = $this->get_exception_info($exception);
 382          $this->assertSame($CFG->wwwroot . '/', $infos->link);
 383  
 384          // HTTPS URL when login HTTPS is not enabled and site is HTTPS.
 385          $CFG->wwwroot = str_replace('http:', 'https:', $CFG->wwwroot);
 386          $url = $httpswwwroot . '/something/here?really=yes';
 387          $exception = new \moodle_exception('none', 'error', $url);
 388          $infos = $this->get_exception_info($exception);
 389          $this->assertSame($url, $infos->link);
 390  
 391          // External HTTP URL.
 392          $url = 'http://moodle.org/something/here?really=yes';
 393          $exception = new \moodle_exception('none', 'error', $url);
 394          $infos = $this->get_exception_info($exception);
 395          $this->assertSame($CFG->wwwroot . '/', $infos->link);
 396  
 397          // External HTTPS URL.
 398          $url = 'https://moodle.org/something/here?really=yes';
 399          $exception = new \moodle_exception('none', 'error', $url);
 400          $infos = $this->get_exception_info($exception);
 401          $this->assertSame($CFG->wwwroot . '/', $infos->link);
 402  
 403          // External URL containing local URL.
 404          $url = 'http://moodle.org/something/here?' . $CFG->wwwroot;
 405          $exception = new \moodle_exception('none', 'error', $url);
 406          $infos = $this->get_exception_info($exception);
 407          $this->assertSame($CFG->wwwroot . '/', $infos->link);
 408      }
 409  
 410      /**
 411       * Wrapper to call {@link get_exception_info()}.
 412       *
 413       * @param  Exception $ex An exception.
 414       * @return stdClass of information.
 415       */
 416      public function get_exception_info($ex) {
 417          try {
 418              throw $ex;
 419          } catch (\moodle_exception $e) {
 420              return get_exception_info($e);
 421          }
 422      }
 423  
 424      /**
 425       * Data provider for test_get_real_size().
 426       *
 427       * @return array An array of arrays contain test data
 428       */
 429      public function data_for_test_get_real_size() {
 430          return array(
 431              array('8KB',    8192),
 432              array('8Kb',    8192),
 433              array('8K',     8192),
 434              array('8k',     8192),
 435              array('50MB',   52428800),
 436              array('50Mb',   52428800),
 437              array('50M',    52428800),
 438              array('50m',    52428800),
 439              array('8GB',    8589934592),
 440              array('8Gb',    8589934592),
 441              array('8G',     8589934592),
 442              array('7T',     7696581394432),
 443              array('7TB',    7696581394432),
 444              array('7Tb',    7696581394432),
 445              array('6P',     6755399441055744),
 446              array('6PB',    6755399441055744),
 447              array('6Pb',    6755399441055744),
 448          );
 449      }
 450  
 451      /**
 452       * Test the get_real_size() function.
 453       *
 454       * @dataProvider data_for_test_get_real_size
 455       *
 456       * @param string $input the input for get_real_size()
 457       * @param int $expectedbytes the expected bytes
 458       */
 459      public function test_get_real_size($input, $expectedbytes) {
 460          $this->assertEquals($expectedbytes, get_real_size($input));
 461      }
 462  
 463      /**
 464       * Validate the given V4 UUID.
 465       *
 466       * @param string $value The candidate V4 UUID
 467       * @return bool True if valid; otherwise, false.
 468       */
 469      protected static function is_valid_uuid_v4($value) {
 470          // Version 4 UUIDs have the form xxxxxxxx-xxxx-4xxx-Yxxx-xxxxxxxxxxxx
 471          // where x is any hexadecimal digit and Y is one of 8, 9, aA, or bB.
 472          // First, the size is 36 (32 + 4 dashes).
 473          if (strlen($value) != 36) {
 474              return false;
 475          }
 476          // Finally, check the format.
 477          $uuidv4pattern = '/^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i';
 478          return (preg_match($uuidv4pattern, $value) === 1);
 479      }
 480  
 481      /**
 482       * Test the \core\uuid::generate_uuid_via_pecl_uuid_extension() function.
 483       */
 484      public function test_core_uuid_generate_uuid_via_pecl_uuid_extension() {
 485          if (!extension_loaded('uuid')) {
 486              $this->markTestSkipped("PHP 'uuid' extension not loaded.");
 487          }
 488          if (!function_exists('uuid_time')) {
 489              $this->markTestSkipped("PHP PECL 'uuid' extension not loaded.");
 490          }
 491  
 492          // The \core\uuid::generate_uuid_via_pecl_uuid_extension static method is protected. Use Reflection to call the method.
 493          $method = new \ReflectionMethod('\core\uuid', 'generate_uuid_via_pecl_uuid_extension');
 494          $method->setAccessible(true);
 495          $uuid = $method->invoke(null);
 496          $this->assertTrue(self::is_valid_uuid_v4($uuid), "Invalid v4 uuid: '$uuid'");
 497      }
 498  
 499      /**
 500       * Test the \core\uuid::generate_uuid_via_random_bytes() function.
 501       */
 502      public function test_core_uuid_generate_uuid_via_random_bytes() {
 503          try {
 504              random_bytes(1);
 505          } catch (\Exception $e) {
 506              $this->markTestSkipped('No source of entropy for random_bytes. ' . $e->getMessage());
 507          }
 508  
 509          // The \core\uuid::generate_uuid_via_random_bytes static method is protected. Use Reflection to call the method.
 510          $method = new \ReflectionMethod('\core\uuid', 'generate_uuid_via_random_bytes');
 511          $method->setAccessible(true);
 512          $uuid = $method->invoke(null);
 513          $this->assertTrue(self::is_valid_uuid_v4($uuid), "Invalid v4 uuid: '$uuid'");
 514      }
 515  
 516      /**
 517       * Test the \core\uuid::generate() function.
 518       */
 519      public function test_core_uuid_generate() {
 520          $uuid = \core\uuid::generate();
 521          $this->assertTrue(self::is_valid_uuid_v4($uuid), "Invalid v4 UUID: '$uuid'");
 522      }
 523  }