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   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 enrol_lti\local\ltiadvantage\lib;
  18  
  19  /**
  20   * Tests for the launch_cache_session class.
  21   *
  22   * @package enrol_lti
  23   * @copyright 2021 Jake Dallimore <jrhdallimore@gmail.com>
  24   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   * @coversDefaultClass \enrol_lti\local\ltiadvantage\lib\launch_cache_session
  26   */
  27  class launch_cache_session_test extends \advanced_testcase {
  28  
  29      /**
  30       * Test that the session cache, and in particular distinct object instances, can cache and retrieve launch data.
  31       *
  32       * Using different objects simulates the kind of usage we expect: uses across different requests.
  33       *
  34       * @covers ::cacheLaunchData
  35       */
  36      public function test_cache_launch_data() {
  37          $lcs = new launch_cache_session();
  38          $lcs->cacheLaunchData('TestKey', ['JWT body' => 'xxx']);
  39  
  40          $lcs2 = new launch_cache_session();
  41          $this->assertEquals(['JWT body' => 'xxx'], $lcs2->getLaunchData('TestKey'));
  42          $this->assertNull($lcs2->getLaunchData('TestKey123'));
  43      }
  44  
  45      /**
  46       * Test that the session cache, and in particular distinct object instances, can cache and check the nonce data.
  47       *
  48       * Using different objects simulates the kind of usage we expect: uses across different requests.
  49       *
  50       * @covers ::cacheNonce
  51       */
  52      public function test_cache_and_check_nonce() {
  53          $lcs = new launch_cache_session();
  54          $lcs->cacheNonce('my_nonce_123', 'my_state_234');
  55  
  56          $lcs2 = new launch_cache_session();
  57          $this->assertTrue($lcs2->checkNonceIsValid('my_nonce_123', 'my_state_234'));
  58          $this->assertFalse($lcs2->checkNonceIsValid('different_nonce', 'my_state_234'));
  59          $this->assertFalse($lcs2->checkNonceIsValid('my_nonce_123', 'different_state'));
  60      }
  61  
  62      /**
  63       * Test that the session cache, and in particular distinct object instances, can purge cached launch data.
  64       *
  65       * Using different objects simulates the kind of usage we expect: uses across different requests.
  66       *
  67       * @covers ::purge
  68       */
  69      public function test_purge() {
  70          $lcs = new launch_cache_session();
  71          $lcs->cacheLaunchData('TestKey', ['JWT body' => 'xxx']);
  72  
  73          $lcs2 = new launch_cache_session();
  74          $this->assertEquals(['JWT body' => 'xxx'], $lcs2->getLaunchData('TestKey'));
  75          $lcs2->purge();
  76          $this->assertNull($lcs2->getLaunchData('TestKey'));
  77      }
  78  }