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See Release Notes

  • Bug fixes for general core bugs in 4.2.x will end 22 April 2024 (12 months).
  • Bug fixes for security issues in 4.2.x will end 7 October 2024 (18 months).
  • PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.1.x is supported too.

Differences Between: [Versions 310 and 402] [Versions 311 and 402] [Versions 39 and 402] [Versions 400 and 402] [Versions 401 and 402]

   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  defined('MOODLE_INTERNAL') || die();
  20  
  21  global $CFG;
  22  require_once($CFG->libdir . '/outputrequirementslib.php');
  23  
  24  
  25  /**
  26   * Unit tests for lib/outputrequirementslibphp.
  27   *
  28   * @package   core
  29   * @category  test
  30   * @copyright 2012 Petr Škoda
  31   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  32   */
  33  class outputrequirementslib_test extends \advanced_testcase {
  34      public function test_string_for_js() {
  35          $this->resetAfterTest();
  36  
  37          $page = new \moodle_page();
  38          $page->requires->string_for_js('course', 'moodle', 1);
  39          $page->requires->string_for_js('course', 'moodle', 1);
  40          $this->expectException('coding_exception');
  41          $page->requires->string_for_js('course', 'moodle', 2);
  42  
  43          // Note: we can not switch languages in phpunit yet,
  44          //       it would be nice to test that the strings are actually fetched in the footer.
  45      }
  46  
  47      public function test_one_time_output_normal_case() {
  48          $page = new \moodle_page();
  49          $this->assertTrue($page->requires->should_create_one_time_item_now('test_item'));
  50          $this->assertFalse($page->requires->should_create_one_time_item_now('test_item'));
  51      }
  52  
  53      public function test_one_time_output_repeat_output_throws() {
  54          $page = new \moodle_page();
  55          $page->requires->set_one_time_item_created('test_item');
  56          $this->expectException('coding_exception');
  57          $page->requires->set_one_time_item_created('test_item');
  58      }
  59  
  60      public function test_one_time_output_different_pages_independent() {
  61          $firstpage = new \moodle_page();
  62          $secondpage = new \moodle_page();
  63          $this->assertTrue($firstpage->requires->should_create_one_time_item_now('test_item'));
  64          $this->assertTrue($secondpage->requires->should_create_one_time_item_now('test_item'));
  65      }
  66  
  67      /**
  68       * Test for the jquery_plugin method.
  69       *
  70       * Test to make sure that backslashes are not generated with either slasharguments set to on or off.
  71       */
  72      public function test_jquery_plugin() {
  73          global $CFG, $PAGE;
  74  
  75          $this->resetAfterTest();
  76  
  77          // With slasharguments on.
  78          $CFG->slasharguments = 1;
  79  
  80          $page = new \moodle_page();
  81          $requirements = $page->requires;
  82          // Assert successful method call.
  83          $this->assertTrue($requirements->jquery_plugin('jquery'));
  84          $this->assertTrue($requirements->jquery_plugin('ui'));
  85  
  86          // Get the code containing the required jquery plugins.
  87          $renderer = $PAGE->get_renderer('core', null, RENDERER_TARGET_MAINTENANCE);
  88          $requirecode = $requirements->get_top_of_body_code($renderer);
  89          // Make sure that the generated code does not contain backslashes.
  90          $this->assertFalse(strpos($requirecode, '\\'), "Output contains backslashes: " . $requirecode);
  91  
  92          // With slasharguments off.
  93          $CFG->slasharguments = 0;
  94  
  95          $page = new \moodle_page();
  96          $requirements = $page->requires;
  97          // Assert successful method call.
  98          $this->assertTrue($requirements->jquery_plugin('jquery'));
  99          $this->assertTrue($requirements->jquery_plugin('ui'));
 100  
 101          // Get the code containing the required jquery plugins.
 102          $requirecode = $requirements->get_top_of_body_code($renderer);
 103          // Make sure that the generated code does not contain backslashes.
 104          $this->assertFalse(strpos($requirecode, '\\'), "Output contains backslashes: " . $requirecode);
 105      }
 106  
 107      /**
 108       * Test AMD modules loading.
 109       */
 110      public function test_js_call_amd() {
 111  
 112          $page = new \moodle_page();
 113  
 114          // Load an AMD module without a function call.
 115          $page->requires->js_call_amd('theme_foobar/lightbox');
 116  
 117          // Load an AMD module and call its function without parameters.
 118          $page->requires->js_call_amd('theme_foobar/demo_one', 'init');
 119  
 120          // Load an AMD module and call its function with some parameters.
 121          $page->requires->js_call_amd('theme_foobar/demo_two', 'init', [
 122              'foo',
 123              'keyWillIgnored' => 'baz',
 124              [42, 'xyz'],
 125          ]);
 126  
 127          $html = $page->requires->get_end_code();
 128  
 129          $modname = 'theme_foobar/lightbox';
 130          $this->assertStringContainsString("M.util.js_pending('{$modname}'); require(['{$modname}'], function(amd) {M.util.js_complete('{$modname}');});", $html);
 131  
 132          $modname = 'theme_foobar/demo_one';
 133          $this->assertStringContainsString("M.util.js_pending('{$modname}'); require(['{$modname}'], function(amd) {amd.init(); M.util.js_complete('{$modname}');});", $html);
 134  
 135          $modname = 'theme_foobar/demo_two';
 136          $this->assertStringContainsString("M.util.js_pending('{$modname}'); require(['{$modname}'], function(amd) {amd.init(\"foo\", \"baz\", [42,\"xyz\"]); M.util.js_complete('{$modname}');});", $html);
 137      }
 138  
 139      /**
 140       * Test the actual URL through which a JavaScript file is served.
 141       *
 142       * @param \moodle_url $moodleurl The <u>moodle_url</u> instance pointing to a web resource.
 143       * @param int $cfgslashargs The value to force $CFG->slasharguments.
 144       * @param string $expected The expected output URL.
 145       * @throws ReflectionException if the class does not exist.
 146       * @see \page_requirements_manager::js_fix_url()
 147       * @see \moodle_url
 148       * @covers \page_requirements_manager::js_fix_url
 149       * @dataProvider js_fix_url_moodle_url_provider
 150       */
 151      public function test_js_fix_url_moodle_url(\moodle_url $moodleurl, int $cfgslashargs, string $expected) {
 152          global $CFG;
 153          $defaultslashargs = $CFG->slasharguments;
 154  
 155          $CFG->slasharguments = $cfgslashargs;
 156          $rc = new \ReflectionClass(\page_requirements_manager::class);
 157          $rcm = $rc->getMethod('js_fix_url');
 158          $rcm->setAccessible(true);
 159          $requires = new \page_requirements_manager();
 160          $actualmoodleurl = $rcm->invokeArgs($requires, [$moodleurl]);
 161          $this->assertEquals($expected, $actualmoodleurl->out(false));
 162  
 163          $CFG->slasharguments = $defaultslashargs;
 164      }
 165  
 166      /**
 167       * Data provider for JavaScript proper Handler using a <u>\moodle_url</url>.
 168       *
 169       * @return array
 170       * @see \page_requirements_manager::js_fix_url()
 171       * @see \moodle_url
 172       */
 173      public function js_fix_url_moodle_url_provider() {
 174          global $CFG;
 175          $wwwroot = rtrim($CFG->wwwroot, '/');
 176          $libdir = rtrim($CFG->libdir, '/');
 177          $admin = "/{$CFG->admin}/"; // Deprecated, just for coverage purposes.
 178  
 179          // Note: $CFG->slasharguments is enabled by default; it will be a forced setting one day (MDL-62640).
 180          return [
 181              'Environment XML file' => [
 182                  new \moodle_url('/admin/environment.xml'),
 183                  0,
 184                  $wwwroot . $admin . 'environment.xml'
 185              ],
 186              'Google Maps CDN (HTTPS)' => [
 187                  new \moodle_url('https://maps.googleapis.com/maps/api/js', ['key' => 'googlemapkey3', 'sensor' => 'false']),
 188                  1,
 189                  'https://maps.googleapis.com/maps/api/js?key=googlemapkey3&sensor=false'
 190              ],
 191              'Google Maps CDN (HTTP)' => [
 192                  new \moodle_url('http://maps.googleapis.com/maps/api/js', ['key' => 'googlemapkey3', 'sensor' => 'false']),
 193                  0,
 194                  'http://maps.googleapis.com/maps/api/js?key=googlemapkey3&sensor=false'
 195              ],
 196              'H5P JS internal resource (slasharguments on)' => [
 197                  new \moodle_url('/h5p/js/embed.js'),
 198                  1,
 199                  $wwwroot . '/lib/javascript.php/1/h5p/js/embed.js'
 200              ],
 201              'H5P JS internal resource (slasharguments off)' => [
 202                  new \moodle_url('/h5p/js/embed.js'),
 203                  0,
 204                  $wwwroot . '/lib/javascript.php?rev=1&jsfile=%2Fh5p%2Fjs%2Fembed.js'
 205              ],
 206              'A custom Moodle CSS Handler' => [
 207                  new \moodle_url('/mod/data/css.php?d=1234567890'),
 208                  1,
 209                  $wwwroot . '/mod/data/css.php?d=1234567890'
 210              ],
 211              'A custom Moodle JS Handler (slasharguments on)' => [
 212                  new \moodle_url('/mod/data/js.php?d=1234567890'),
 213                  1,
 214                  $wwwroot . '/mod/data/js.php?d=1234567890'
 215              ],
 216              'A custom Moodle JS Handler (slasharguments off)' => [
 217                  new \moodle_url('/mod/data/js.php?d=1234567890'),
 218                  0,
 219                  $wwwroot . '/mod/data/js.php?d=1234567890'
 220              ],
 221          ];
 222      }
 223  
 224      /**
 225       * Test the actual url through which a JavaScript file is served.
 226       *
 227       * @param string $url The URL pointing to a web resource.
 228       * @param int $cfgslashargs The value to force $CFG->slasharguments.
 229       * @param string $expected The expected output URL.
 230       * @throws ReflectionException if the class does not exist.
 231       * @see \page_requirements_manager::js_fix_url()
 232       * @covers \page_requirements_manager::js_fix_url
 233       * @dataProvider js_fix_url_plain_string_provider
 234       */
 235      public function test_js_fix_url_plain_string(string $url, int $cfgslashargs, string $expected) {
 236          global $CFG;
 237          $defaultslashargs = $CFG->slasharguments;
 238  
 239          $CFG->slasharguments = $cfgslashargs;
 240          $rc = new \ReflectionClass(\page_requirements_manager::class);
 241          $rcm = $rc->getMethod('js_fix_url');
 242          $rcm->setAccessible(true);
 243          $requires = new \page_requirements_manager();
 244          $actualmoodleurl = $rcm->invokeArgs($requires, [$url]);
 245          $this->assertEquals($expected, $actualmoodleurl->out(false));
 246  
 247          $CFG->slasharguments = $defaultslashargs;
 248      }
 249  
 250      /**
 251       * Data provider for JavaScript proper Handler using a plain relative string.
 252       *
 253       * @return array
 254       * @see \page_requirements_manager::js_fix_url()
 255       */
 256      public function js_fix_url_plain_string_provider() {
 257          global $CFG;
 258          $wwwroot = rtrim($CFG->wwwroot, '/');
 259          $admin = "/{$CFG->admin}/"; // Deprecated, just for coverage purposes.
 260  
 261          // Note: $CFG->slasharguments is enabled by default; it will be a forced setting one day (MDL-62640).
 262          return [
 263              'Environment XML file' => [
 264                  '/admin/environment.xml',
 265                  0,
 266                  $wwwroot . $admin . 'environment.xml'
 267              ],
 268              'Course Format JS (slasharguments on)' => [
 269                  '/course/format/topics/format.js',
 270                  1,
 271                  $wwwroot . '/lib/javascript.php/1/course/format/topics/format.js'
 272              ],
 273              'Course Format JS (slasharguments off)' => [
 274                  '/course/format/topics/format.js',
 275                  0,
 276                  $wwwroot . '/lib/javascript.php?rev=1&jsfile=%2Fcourse%2Fformat%2Ftopics%2Fformat.js'
 277              ],
 278              'Data JS' => [
 279                  '/mod/data/data.js',
 280                  1,
 281                  $wwwroot . '/lib/javascript.php/1/mod/data/data.js'
 282              ],
 283              'SCORM Request JS' => [
 284                  '/mod/scorm/request.js',
 285                  1,
 286                  $wwwroot . '/lib/javascript.php/1/mod/scorm/request.js'
 287              ],
 288              'Wiki Editors Buttons JS' => [
 289                  '/mod/wiki/editors/wiki/buttons.js',
 290                  1,
 291                  $wwwroot . '/lib/javascript.php/1/mod/wiki/editors/wiki/buttons.js'
 292              ],
 293              'A non-JS internal resource' => [
 294                  '/theme/boost/pix/favicon.ico',
 295                  0,
 296                  $wwwroot . '/theme/boost/pix/favicon.ico'
 297              ],
 298              'A custom Moodle CSS Handler' => [
 299                  '/mod/data/css.php?d=1234567890',
 300                  1,
 301                  $wwwroot . '/mod/data/css.php?d=1234567890'
 302              ],
 303              'A custom Moodle JS Handler (slasharguments on)' => [
 304                  '/mod/data/js.php?d=1234567890',
 305                  1,
 306                  $wwwroot . '/mod/data/js.php?d=1234567890'
 307              ],
 308              'A custom Moodle JS Handler (slasharguments off)' => [
 309                  '/mod/data/js.php?d=1234567890',
 310                  0,
 311                  $wwwroot . '/mod/data/js.php?d=1234567890'
 312              ],
 313          ];
 314      }
 315  
 316      /**
 317       * Test the coding exceptions when trying to get the actual URL through which a JavaScript file is served.
 318       *
 319       * @param moodle_url|string|null $url The URL pointing to a web resource.
 320       * @param string $exmessage The expected output URL.
 321       * @throws ReflectionException if the class does not exist.
 322       * @see \page_requirements_manager::js_fix_url()
 323       * @covers \page_requirements_manager::js_fix_url
 324       * @dataProvider js_fix_url_coding_exception_provider
 325       */
 326      public function test_js_fix_url_coding_exception($url, string $exmessage) {
 327          $rc = new \ReflectionClass(\page_requirements_manager::class);
 328          $rcm = $rc->getMethod('js_fix_url');
 329          $rcm->setAccessible(true);
 330          $requires = new \page_requirements_manager();
 331          $this->expectException(\coding_exception::class);
 332          $this->expectExceptionMessage($exmessage);
 333          $actualmoodleurl = $rcm->invokeArgs($requires, [$url]);
 334      }
 335  
 336      /**
 337       * Data provider for throwing coding exceptions in <u>\page_requirements_manager::js_fix_url()</u>.
 338       *
 339       * @return array
 340       * @see \page_requirements_manager::js_fix_url()
 341       */
 342      public function js_fix_url_coding_exception_provider() {
 343          global $CFG;
 344          $wwwroot = rtrim($CFG->wwwroot, '/');
 345  
 346          return [
 347              'Provide a null argument' => [
 348                  null,
 349                  'Coding error detected, it must be fixed by a programmer: '
 350                      . 'Invalid JS url, it has to be shortened url starting with / or moodle_url instance.'
 351              ],
 352              'Provide an internal absolute URL' => [
 353                  $wwwroot . '/lib/javascript.php/1/h5p/js/embed.js',
 354                  'Coding error detected, it must be fixed by a programmer: '
 355                      . 'Invalid JS url, it has to be shortened url starting with / or moodle_url instance. '
 356                      . '(' . $wwwroot . '/lib/javascript.php/1/h5p/js/embed.js)'
 357              ],
 358              'Provide an external absolute URL' => [
 359                  'https://maps.googleapis.com/maps/api/js?key=googlemapkey3&sensor=false',
 360                  'Coding error detected, it must be fixed by a programmer: '
 361                      . 'Invalid JS url, it has to be shortened url starting with / or moodle_url instance. '
 362                      . '(https://maps.googleapis.com/maps/api/js?key=googlemapkey3&sensor=false)'
 363              ],
 364              'A non-JS internal resource using an absolute URL' => [
 365                  $wwwroot . '/theme/boost/pix/favicon.ico',
 366                  'Coding error detected, it must be fixed by a programmer: '
 367                      . 'Invalid JS url, it has to be shortened url starting with / or moodle_url instance. ('
 368                      . $wwwroot . '/theme/boost/pix/favicon.ico)'
 369              ],
 370              'A non-existant internal resource using an absolute URL' => [
 371                  $wwwroot . '/path/to/file.ext',
 372                  'Coding error detected, it must be fixed by a programmer: '
 373                      . 'Invalid JS url, it has to be shortened url starting with / or moodle_url instance. ('
 374                      . $wwwroot . '/path/to/file.ext)'
 375              ],
 376              'A non-existant internal resource. WARN the developer!' => [
 377                  '/path/to/file1.ext',
 378                  'Coding error detected, it must be fixed by a programmer: '
 379                      . 'Attempt to require a JavaScript file that does not exist. (/path/to/file1.ext)'
 380              ],
 381              'A non-existant internal resource using moodle_url. WARN the developer!' => [
 382                  new \moodle_url('/path/to/file2.ext'),
 383                  'Coding error detected, it must be fixed by a programmer: '
 384                      . 'Attempt to require a JavaScript file that does not exist. (/path/to/file2.ext)'
 385              ],
 386          ];
 387      }
 388  }