[Summary view]

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

   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_analytics;
  18  
  19  /**
  20   * Unit tests for the analysis class.
  21   *
  22   * @package   core_analytics
  23   * @copyright 2019 David Monllaó {@link http://www.davidmonllao.com}
  24   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25   */
  26  class analysis_test extends \advanced_testcase {
  27  
  28      /**
  29       * Test fill_firstanalyses_cache.
  30       * @return null
  31       */
  32      public function test_fill_firstanalyses_cache() {
  33          require_once (__DIR__ . '/fixtures/test_timesplitting_upcoming_seconds.php');
  34          $this->resetAfterTest();
  35  
  36          $modelid = 1;
  37  
  38          $params = ['startdate' => (new \DateTimeImmutable('-5 seconds'))->getTimestamp()];
  39          $course1 = $this->getDataGenerator()->create_course($params);
  40          $course2 = $this->getDataGenerator()->create_course($params);
  41          $analysable1 = new \core_analytics\course($course1);
  42  
  43          $afewsecsago = time() - 5;
  44          $earliest = $afewsecsago - 1;
  45  
  46          $this->insert_used($modelid, $course1->id, 'training', $afewsecsago);
  47  
  48          // Course2 processed after course1.
  49          $this->insert_used($modelid, $course2->id, 'training', $afewsecsago + 1);
  50  
  51          // After the first process involving course1.
  52          $this->insert_used($modelid, $course1->id, 'prediction', $afewsecsago + 5);
  53  
  54          $firstanalyses = \core_analytics\analysis::fill_firstanalyses_cache($modelid);
  55          $this->assertCount(2, $firstanalyses);
  56          $this->assertEquals($afewsecsago, $firstanalyses[$modelid . '_' . $course1->id]);
  57          $this->assertEquals($afewsecsago + 1, $firstanalyses[$modelid . '_' . $course2->id]);
  58  
  59          // The cached elements get refreshed.
  60          $this->insert_used($modelid, $course1->id, 'prediction', $earliest);
  61          $firstanalyses = \core_analytics\analysis::fill_firstanalyses_cache($modelid, $course1->id);
  62          $this->assertCount(1, $firstanalyses);
  63          $this->assertEquals($earliest, $firstanalyses[$modelid . '_' . $course1->id]);
  64  
  65          // Upcoming periodic time-splitting methods can read and process the cached data.
  66          $seconds = new \test_timesplitting_upcoming_seconds();
  67          $seconds->set_modelid($modelid);
  68          $seconds->set_analysable($analysable1);
  69  
  70          // The generated ranges should start from the cached firstanalysis value, which is $earliest.
  71          $ranges = $seconds->get_all_ranges();
  72          $this->assertGreaterThanOrEqual(7, count($ranges));
  73          $firstrange = reset($ranges);
  74          $this->assertEquals($earliest, $firstrange['time']);
  75      }
  76  
  77      private function insert_used($modelid, $analysableid, $action, $timestamp) {
  78          global $DB;
  79  
  80          $obj = new \stdClass();
  81          $obj->modelid = $modelid;
  82          $obj->action = $action;
  83          $obj->analysableid = $analysableid;
  84          $obj->firstanalysis = $timestamp;
  85          $obj->timeanalysed = $timestamp;
  86          $obj->id = $DB->insert_record('analytics_used_analysables', $obj);
  87      }
  88  }