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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  defined('MOODLE_INTERNAL') || die();
  18  
  19  /**
  20   * Automated unit testing. This tests the 'make large course' backend,
  21   * using the 'XS' option so that it completes quickly.
  22   *
  23   * @package tool_generator
  24   * @copyright 2013 The Open University
  25   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   */
  27  class tool_generator_maketestcourse_testcase extends advanced_testcase {
  28      /**
  29       * Creates a small test course and checks all the components have been put in place.
  30       */
  31      public function test_make_xs_course() {
  32          global $DB;
  33  
  34          $this->resetAfterTest();
  35          $this->setAdminUser();
  36  
  37          // Create the XS course.
  38          $backend = new tool_generator_course_backend('TOOL_MAKELARGECOURSE_XS', 0, false, false, false);
  39          $courseid = $backend->make();
  40  
  41          // Get course details.
  42          $course = get_course($courseid);
  43          $context = context_course::instance($courseid);
  44          $modinfo = get_fast_modinfo($course);
  45  
  46          // Check sections (just section 0 plus one other).
  47          $this->assertEquals(2, count($modinfo->get_section_info_all()));
  48  
  49          // Check user is enrolled.
  50          $users = get_enrolled_users($context);
  51          $this->assertEquals(1, count($users));
  52          $this->assertEquals('tool_generator_000001', reset($users)->username);
  53  
  54          // Check there's a page on the course.
  55          $pages = $modinfo->get_instances_of('page');
  56          $this->assertEquals(1, count($pages));
  57  
  58          // Check there are small files.
  59          $resources = $modinfo->get_instances_of('resource');
  60          $ok = false;
  61          foreach ($resources as $resource) {
  62              if ($resource->sectionnum == 0) {
  63                  // The one in section 0 is the 'small files' resource.
  64                  $ok = true;
  65                  break;
  66              }
  67          }
  68          $this->assertTrue($ok);
  69  
  70          // Check it contains 2 files (the default txt and a dat file).
  71          $fs = get_file_storage();
  72          $resourcecontext = context_module::instance($resource->id);
  73          $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
  74          $files = array_values($files);
  75          $this->assertEquals(2, count($files));
  76          $this->assertEquals('resource1.txt', $files[0]->get_filename());
  77          $this->assertEquals('smallfile0.dat', $files[1]->get_filename());
  78  
  79          // Check there's a single 'big' file (it's actually only 8KB).
  80          $ok = false;
  81          foreach ($resources as $resource) {
  82              if ($resource->sectionnum == 1) {
  83                  $ok = true;
  84                  break;
  85              }
  86          }
  87          $this->assertTrue($ok);
  88  
  89          // Check it contains 2 files.
  90          $resourcecontext = context_module::instance($resource->id);
  91          $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
  92          $files = array_values($files);
  93          $this->assertEquals(2, count($files));
  94          $this->assertEquals('bigfile0.dat', $files[0]->get_filename());
  95          $this->assertEquals('resource2.txt', $files[1]->get_filename());
  96  
  97          // Get forum and count the number of posts on it.
  98          $forums = $modinfo->get_instances_of('forum');
  99          $forum = reset($forums);
 100          $posts = $DB->count_records_sql("
 101                  SELECT
 102                      COUNT(1)
 103                  FROM
 104                      {forum_posts} fp
 105                      JOIN {forum_discussions} fd ON fd.id = fp.discussion
 106                  WHERE
 107                      fd.forum = ?", array($forum->instance));
 108          $this->assertEquals(2, $posts);
 109      }
 110  
 111      /**
 112       * Creates an small test course with fixed data set and checks the used sections and users.
 113       */
 114      public function test_fixed_data_set() {
 115  
 116          $this->resetAfterTest();
 117          $this->setAdminUser();
 118  
 119          // Create the S course (more sections and activities than XS).
 120          $backend = new tool_generator_course_backend('TOOL_S_COURSE_1', 1, true, false, false);
 121          $courseid = $backend->make();
 122  
 123          // Get course details.
 124          $course = get_course($courseid);
 125          $modinfo = get_fast_modinfo($course);
 126  
 127          // Check module instances belongs to section 1.
 128          $instances = $modinfo->get_instances_of('page');
 129          foreach ($instances as $instance) {
 130              $this->assertEquals(1, $instance->sectionnum);
 131          }
 132  
 133          // Users that started discussions are the same.
 134          $forums = $modinfo->get_instances_of('forum');
 135          $discussions = forum_get_discussions(reset($forums), 'd.timemodified ASC');
 136          $lastusernumber = 0;
 137          $discussionstarters = array();
 138          foreach ($discussions as $discussion) {
 139              $usernumber = intval($discussion->lastname);
 140  
 141              // Checks that the users are odd numbers.
 142              $this->assertEquals(1, $usernumber % 2);
 143  
 144              // Checks that the users follows an increasing order.
 145              $this->assertGreaterThan($lastusernumber, $usernumber);
 146              $lastusernumber = $usernumber;
 147              $discussionstarters[$discussion->userid] = $discussion->subject;
 148          }
 149  
 150      }
 151  
 152      /**
 153       * Creates a small test course specifying a maximum size and checks the generated files size is limited.
 154       */
 155      public function test_filesize_limit() {
 156  
 157          $this->resetAfterTest();
 158          $this->setAdminUser();
 159  
 160          // Limit.
 161          $filesizelimit = 100;
 162  
 163          // Create a limited XS course.
 164          $backend = new tool_generator_course_backend('TOOL_XS_LIMITED', 0, false, $filesizelimit, false);
 165          $courseid = $backend->make();
 166  
 167          $course = get_course($courseid);
 168          $modinfo = get_fast_modinfo($course);
 169  
 170          // Check there are small files.
 171          $fs = get_file_storage();
 172          $resources = $modinfo->get_instances_of('resource');
 173          foreach ($resources as $resource) {
 174              $resourcecontext = context_module::instance($resource->id);
 175              $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
 176              foreach ($files as $file) {
 177                  if ($file->get_mimetype() == 'application/octet-stream') {
 178                      $this->assertLessThanOrEqual($filesizelimit, $file->get_filesize());
 179                  }
 180              }
 181          }
 182  
 183          // Create a non-limited XS course.
 184          $backend = new tool_generator_course_backend('TOOL_XS_NOLIMITS', 0, false, false, false);
 185          $courseid = $backend->make();
 186  
 187          $course = get_course($courseid);
 188          $modinfo = get_fast_modinfo($course);
 189  
 190          // Check there are small files.
 191          $fs = get_file_storage();
 192          $resources = $modinfo->get_instances_of('resource');
 193          foreach ($resources as $resource) {
 194              $resourcecontext = context_module::instance($resource->id);
 195              $files = $fs->get_area_files($resourcecontext->id, 'mod_resource', 'content', false, 'filename', false);
 196              foreach ($files as $file) {
 197                  if ($file->get_mimetype() == 'application/octet-stream') {
 198                      $this->assertGreaterThan($filesizelimit, (int)$file->get_filesize());
 199                  }
 200              }
 201          }
 202  
 203      }
 204  }