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   1  <?php
   2  // This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.
  16  
  17  namespace core;
  18  
  19  /**
  20   * Unit tests for base context class.
  21   *
  22   * NOTE: more tests are in lib/tests/accesslib_test.php
  23   *
  24   * @package   core
  25   * @copyright Petr Skoda
  26   * @license   https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27   * @coversDefaultClass  \core\context
  28   */
  29  class context_test extends \advanced_testcase {
  30      /**
  31       * Tests legacy class name.
  32       * @coversNothing
  33       */
  34      public function test_legacy_classname() {
  35          $this->assertSame('core\context', context::class);
  36  
  37          $context = \context_system::instance();
  38          $this->assertInstanceOf(context::class, $context);
  39          $this->assertInstanceOf('context', $context);
  40      }
  41  
  42      /**
  43       * Tests covered method.
  44       * @covers ::instance_by_id
  45       */
  46      public function test_factory_methods() {
  47          $context = context::instance_by_id(SYSCONTEXTID);
  48          $this->assertSame('core\\context\\system', get_class($context));
  49      }
  50  
  51      /**
  52       * Tests covered methods.
  53       * @covers ::__set
  54       * @covers ::__unset
  55       */
  56      public function test_propery_change_protection() {
  57          $context = context\system::instance();
  58  
  59          $context->contextlevel = -10;
  60          $this->assertEquals($context::LEVEL, $context->contextlevel);
  61          $this->assertDebuggingCalled('Can not change context instance properties!');
  62  
  63          $context->instanceid = -10;
  64          $this->assertEquals(0, $context->instanceid);
  65          $this->assertDebuggingCalled('Can not change context instance properties!');
  66  
  67          $context->id = -10;
  68          $this->assertDebuggingCalled('Can not change context instance properties!');
  69  
  70          $context->locked = -10;
  71          $this->assertDebuggingCalled('Can not change context instance properties!');
  72  
  73          unset($context->contextlevel);
  74          $this->assertEquals($context::LEVEL, $context->contextlevel);
  75          $this->assertDebuggingCalled('Can not unset context instance properties!');
  76      }
  77  
  78      /**
  79       * Tests covered method.
  80       * @covers ::__get
  81       */
  82      public function test_incorrect_property() {
  83          $context = context\system::instance();
  84  
  85          $a = $context->whatever;
  86          $this->assertDebuggingCalled('Invalid context property accessed! whatever');
  87      }
  88  
  89      /**
  90       * Tests covered method.
  91       * @covers ::getIterator
  92       */
  93      public function test_iterator() {
  94          $context = context\system::instance();
  95          $array = iterator_to_array($context->getIterator());
  96          $expected = [
  97              'id' => $context->id,
  98              'contextlevel' => $context->contextlevel,
  99              'instanceid' => $context->instanceid,
 100              'path' => $context->path,
 101              'depth' => $context->depth,
 102              'locked' => false,
 103          ];
 104          $this->assertSame($expected, $array);
 105      }
 106  }