[Summary view]

Differences Between: [Versions 310 and 403] [Versions 311 and 403] [Versions 39 and 403] [Versions 400 and 403]

   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  /**
  18   * licenselib tests.
  19   *
  20   * @package    core
  21   * @copyright  2020 Tom Dickman <tom.dickman@catalyst-au.net>
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  require_once (__DIR__.'/../licenselib.php');
  28  
  29  /**
  30   * licenselib tests.
  31   *
  32   * @package    core
  33   * @copyright  2020 Tom Dickman <tom.dickman@catalyst-au.net>
  34   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  class licenselib_test extends advanced_testcase {
  37  
  38      /**
  39       * Test getting licenses from database or cache.
  40       */
  41      public function test_get_licenses() {
  42          $this->resetAfterTest();
  43  
  44          // Reset the cache, to make sure we are not getting cached licenses.
  45          $cache = \cache::make('core', 'license');
  46          $cache->delete('licenses');
  47  
  48          $licenses = license_manager::get_licenses();
  49  
  50          $this->assertArrayHasKey('unknown', $licenses);
  51          $this->assertArrayHasKey('allrightsreserved', $licenses);
  52          $this->assertArrayHasKey('public', $licenses);
  53          $this->assertArrayHasKey('cc-4.0', $licenses);
  54          $this->assertArrayHasKey('cc-nd-4.0', $licenses);
  55          $this->assertArrayHasKey('cc-nc-nd-4.0', $licenses);
  56          $this->assertArrayHasKey('cc-nc-4.0', $licenses);
  57          $this->assertArrayHasKey('cc-nc-sa-4.0', $licenses);
  58          $this->assertArrayHasKey('cc-sa-4.0', $licenses);
  59  
  60          // Get the licenses from cache and check again.
  61          $licenses = license_manager::get_licenses();
  62  
  63          $this->assertArrayHasKey('unknown', $licenses);
  64          $this->assertArrayHasKey('allrightsreserved', $licenses);
  65          $this->assertArrayHasKey('public', $licenses);
  66          $this->assertArrayHasKey('cc-4.0', $licenses);
  67          $this->assertArrayHasKey('cc-nd-4.0', $licenses);
  68          $this->assertArrayHasKey('cc-nc-nd-4.0', $licenses);
  69          $this->assertArrayHasKey('cc-nc-4.0', $licenses);
  70          $this->assertArrayHasKey('cc-nc-sa-4.0', $licenses);
  71          $this->assertArrayHasKey('cc-sa-4.0', $licenses);
  72      }
  73  
  74      /**
  75       * Test saving a license.
  76       */
  77      public function test_save() {
  78          global $DB;
  79  
  80          $this->resetAfterTest();
  81  
  82          $license = new stdClass();
  83          $license->shortname = 'mit';
  84          $license->fullname = 'MIT';
  85          $license->source = 'https://opensource.org/licenses/MIT';
  86          $license->version = '2020020200';
  87          $license->custom = license_manager::CUSTOM_LICENSE;
  88  
  89          license_manager::save($license);
  90  
  91          $license = $DB->get_record('license', ['shortname' => 'mit']);
  92          $this->assertNotEmpty($license);
  93          $this->assertEquals('mit', $license->shortname);
  94  
  95          // Attempting to update a core license should only update sortorder.
  96          $license->shortname = 'cc-4.0';
  97          $license->sortorder = 33;
  98          license_manager::save($license);
  99  
 100          $record = $DB->get_record('license', ['id' => $license->id]);
 101          $this->assertNotEquals('cc', $record->shortname);
 102          $record = $DB->get_record('license', ['shortname' => 'cc-4.0']);
 103          $this->assertEquals(33, $record->sortorder);
 104  
 105          // Adding a license with existing custom license shortname should update existing license.
 106          $updatelicense = new stdClass();
 107          $updatelicense->shortname = 'mit';
 108          $updatelicense->fullname = 'MIT updated';
 109          $updatelicense->source = 'https://en.wikipedia.org/wiki/MIT_License';
 110  
 111          license_manager::save($updatelicense);
 112          $actual = $DB->get_record('license', ['shortname' => 'mit']);
 113  
 114          $this->assertEquals($updatelicense->fullname, $actual->fullname);
 115          $this->assertEquals($updatelicense->source, $actual->source);
 116          // Fields not updated should remain the same.
 117          $this->assertEquals($license->version, $actual->version);
 118      }
 119  
 120      /**
 121       * Test ability to get a license by it's short name.
 122       */
 123      public function test_get_license_by_shortname() {
 124  
 125          $license = license_manager::get_license_by_shortname('cc-nc-4.0');
 126          $actual = $license->fullname;
 127  
 128          $this->assertEquals('Creative Commons - NonCommercial 4.0 International', $actual);
 129          $this->assertNull(license_manager::get_license_by_shortname('somefakelicense'));
 130      }
 131  
 132      /**
 133       * Test disabling a license.
 134       */
 135      public function test_disable_license() {
 136          global $DB;
 137  
 138          $this->resetAfterTest();
 139  
 140          // Manually set license record to enabled for testing.
 141          $DB->set_field('license', 'enabled', license_manager::LICENSE_ENABLED, ['shortname' => 'cc-nc-4.0']);
 142  
 143          $this->assertTrue(license_manager::disable('cc-nc-4.0'));
 144  
 145          $license = license_manager::get_license_by_shortname('cc-nc-4.0');
 146          $actual = $license->enabled;
 147  
 148          $this->assertEquals(license_manager::LICENSE_DISABLED, $actual);
 149      }
 150  
 151      /**
 152       * Test enabling a license.
 153       */
 154      public function test_enable_license() {
 155          global $DB;
 156  
 157          $this->resetAfterTest();
 158  
 159          // Manually set license record to disabled for testing.
 160          $DB->set_field('license', 'enabled', license_manager::LICENSE_DISABLED, ['shortname' => 'cc-nc-4.0']);
 161  
 162          $this->assertTrue(license_manager::enable('cc-nc-4.0'));
 163  
 164          $license = license_manager::get_license_by_shortname('cc-nc-4.0');
 165          $actual = $license->enabled;
 166  
 167          $this->assertEquals(license_manager::LICENSE_ENABLED, $actual);
 168      }
 169  
 170      /**
 171       * Test deleting a custom license.
 172       */
 173      public function test_delete() {
 174          $this->resetAfterTest();
 175  
 176          // Create a custom license.
 177          $license = new stdClass();
 178          $license->shortname = 'mit';
 179          $license->fullname = 'MIT';
 180          $license->source = 'https://opensource.org/licenses/MIT';
 181          $license->version = '2020020200';
 182          $license->custom = license_manager::CUSTOM_LICENSE;
 183  
 184          license_manager::save($license);
 185  
 186          // Should be able to delete a custom license.
 187          license_manager::delete($license->shortname);
 188          $this->assertNull(license_manager::get_license_by_shortname($license->shortname));
 189      }
 190  
 191      /**
 192       * Test trying to delete a license currently in use by a file.
 193       */
 194      public function test_delete_license_in_use_by_file() {
 195          $this->resetAfterTest();
 196  
 197          // Create a custom license.
 198          $license = new stdClass();
 199          $license->shortname = 'mit';
 200          $license->fullname = 'MIT';
 201          $license->source = 'https://opensource.org/licenses/MIT';
 202          $license->version = '2020020200';
 203          $license->custom = license_manager::CUSTOM_LICENSE;
 204  
 205          license_manager::save($license);
 206  
 207          // Create a test file with custom license selected.
 208          $fs = get_file_storage();
 209          $syscontext = context_system::instance();
 210          $filerecord = array(
 211              'contextid' => $syscontext->id,
 212              'component' => 'tool_metadata',
 213              'filearea' => 'unittest',
 214              'itemid' => 0,
 215              'filepath' => '/',
 216              'filename' => 'test.doc',
 217          );
 218          $file = $fs->create_file_from_string($filerecord, 'Test file');
 219          $file->set_license($license->shortname);
 220  
 221          // Should not be able to delete a license when in use by a file.
 222          $this->expectException(moodle_exception::class);
 223          license_manager::delete($license->shortname);
 224      }
 225  
 226      /**
 227       * Test trying to delete a core license.
 228       */
 229      public function test_delete_license_core() {
 230          // Should not be able to delete a standard/core license.
 231          $this->expectException(moodle_exception::class);
 232          license_manager::delete('cc-nc-4.0');
 233      }
 234  
 235      /**
 236       * Test trying to delete a license which doesn't exist.
 237       */
 238      public function test_delete_license_not_exists() {
 239          // Should throw an exception if license with shortname doesn't exist.
 240          $this->expectException(moodle_exception::class);
 241          license_manager::delete('somefakelicense');
 242      }
 243  
 244      /**
 245       * Test setting active licenses.
 246       */
 247      public function test_set_active_licenses() {
 248          $this->resetAfterTest();
 249  
 250          // Private method used internally, test through disable and enable public methods.
 251          license_manager::disable('allrightsreserved');
 252          $this->assertStringNotContainsString('allrightsreserved', get_config('', 'licenses'));
 253  
 254          license_manager::enable('allrightsreserved');
 255          $this->assertStringContainsString('allrightsreserved', get_config('', 'licenses'));
 256      }
 257  
 258      /**
 259       * Test getting active licenses.
 260       */
 261      public function test_get_active_licenses() {
 262          $this->resetAfterTest();
 263  
 264          license_manager::disable('allrightsreserved');
 265          license_manager::reset_license_cache();
 266  
 267          $licenses = license_manager::get_active_licenses();
 268          $this->assertArrayNotHasKey('allrightsreserved', $licenses);
 269  
 270          license_manager::enable('allrightsreserved');
 271          license_manager::reset_license_cache();
 272  
 273          $licenses = license_manager::get_active_licenses();
 274          $this->assertArrayHasKey('allrightsreserved', $licenses);
 275      }
 276  
 277      /**
 278       * Test getting active licenses as array.
 279       */
 280      public function test_get_active_licenses_as_array() {
 281          $this->resetAfterTest();
 282  
 283          license_manager::disable('allrightsreserved');
 284          license_manager::reset_license_cache();
 285  
 286          $licenses = license_manager::get_active_licenses_as_array();
 287          $this->assertIsArray($licenses);
 288          $this->assertNotContains('All rights reserved', $licenses);
 289  
 290          license_manager::enable('allrightsreserved');
 291          license_manager::reset_license_cache();
 292  
 293          $licenses = license_manager::get_active_licenses_as_array();
 294          $this->assertIsArray($licenses);
 295          $this->assertContains('All rights reserved', $licenses);
 296      }
 297  
 298      /**
 299       * Test resetting the license cache.
 300       */
 301      public function test_reset_license_cache() {
 302          global $DB;
 303  
 304          $this->resetAfterTest();
 305  
 306          $licenses = license_manager::get_licenses();
 307  
 308          $cache = \cache::make('core', 'license');
 309          $cachedlicenses = $cache->get('licenses');
 310  
 311          $this->assertNotFalse($cachedlicenses);
 312          $this->assertEquals($licenses, $cachedlicenses);
 313  
 314          // Manually delete a license to see if cache persists.
 315          $DB->delete_records('license', ['shortname' => 'cc-nc-4.0']);
 316          $licenses = license_manager::get_licenses();
 317  
 318          $this->assertArrayHasKey('cc-nc-4.0', $licenses);
 319  
 320          license_manager::reset_license_cache();
 321  
 322          $licenses = license_manager::get_licenses();
 323          $this->assertArrayNotHasKey('cc-nc-4.0', $licenses);
 324      }
 325  
 326      /**
 327       * Test that all licenses are installed correctly.
 328       */
 329      public function test_install_licenses() {
 330          global $DB;
 331  
 332          $this->resetAfterTest();
 333  
 334          $DB->delete_records('license');
 335  
 336          license_manager::install_licenses();
 337  
 338          $expectedshortnames = [
 339              'allrightsreserved', 'public', 'unknown',
 340              'cc-4.0', 'cc-nc-4.0', 'cc-nc-nd-4.0', 'cc-nc-sa-4.0', 'cc-nd-4.0', 'cc-sa-4.0',
 341          ];
 342          $actualshortnames = $DB->get_records_menu('license', null, '', 'id, shortname');
 343  
 344          foreach ($expectedshortnames as $expectedshortname) {
 345              $this->assertContains($expectedshortname, $actualshortnames);
 346          }
 347      }
 348  }