analytics/tests/course_test.php

   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  * Unit tests for course.
  19  *
  20  * @package   core_analytics
  21  * @copyright 2016 David Monllaó {@link http://www.davidmonllao.com}
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 defined('MOODLE_INTERNAL') || die();
  26
  27 /**
  28  * Unit tests for course.
  29  *
  30  * @package   core_analytics
  31  * @copyright 2016 David Monllaó {@link http://www.davidmonllao.com}
  32  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33  */
  34 class core_analytics_course_testcase extends advanced_testcase {
  35
  36     public function setUp() {
  37         global $DB;
  38
  39         $this->course = $this->getDataGenerator()->create_course(['startdate' => 0]);
  40         $this->stu1 = $this->getDataGenerator()->create_user();
  41         $this->stu2 = $this->getDataGenerator()->create_user();
  42         $this->both = $this->getDataGenerator()->create_user();
  43         $this->editingteacher = $this->getDataGenerator()->create_user();
  44         $this->teacher = $this->getDataGenerator()->create_user();
  45
  46         $this->studentroleid = $DB->get_field('role', 'id', array('shortname' => 'student'));
  47         $this->editingteacherroleid = $DB->get_field('role', 'id', array('shortname' => 'editingteacher'));
  48         $this->teacherroleid = $DB->get_field('role', 'id', array('shortname' => 'teacher'));
  49
  50         $this->getDataGenerator()->enrol_user($this->stu1->id, $this->course->id, $this->studentroleid);
  51         $this->getDataGenerator()->enrol_user($this->stu2->id, $this->course->id, $this->studentroleid);
  52         $this->getDataGenerator()->enrol_user($this->both->id, $this->course->id, $this->studentroleid);
  53         $this->getDataGenerator()->enrol_user($this->both->id, $this->course->id, $this->editingteacherroleid);
  54         $this->getDataGenerator()->enrol_user($this->editingteacher->id, $this->course->id, $this->editingteacherroleid);
  55         $this->getDataGenerator()->enrol_user($this->teacher->id, $this->course->id, $this->teacherroleid);
  56     }
  57
  58     /**
  59      * Users tests.
  60      */
  61     public function test_users() {
  62         global $DB;
  63
  64         $this->resetAfterTest(true);
  65
  66         $courseman = new \core_analytics\course($this->course->id);
  67         $this->assertCount(3, $courseman->get_user_ids(array($this->studentroleid)));
  68         $this->assertCount(2, $courseman->get_user_ids(array($this->editingteacherroleid)));
  69         $this->assertCount(1, $courseman->get_user_ids(array($this->teacherroleid)));
  70
  71         // Distinct is applied.
  72         $this->assertCount(3, $courseman->get_user_ids(array($this->editingteacherroleid, $this->teacherroleid)));
  73         $this->assertCount(4, $courseman->get_user_ids(array($this->editingteacherroleid, $this->studentroleid)));
  74     }
  75
  76     /**
  77      * Course validation tests.
  78      *
  79      * @return void
  80      */
  81     public function test_course_validation() {
  82         global $DB;
  83
  84         $this->resetAfterTest(true);
  85
  86         $courseman = new \core_analytics\course($this->course->id);
  87         $this->assertFalse($courseman->was_started());
  88         $this->assertFalse($courseman->is_finished());
  89
  90         // Nothing should change when assigning as teacher.
  91         for ($i = 0; $i < 10; $i++) {
  92             $user = $this->getDataGenerator()->create_user();
  93             $this->getDataGenerator()->enrol_user($user->id, $this->course->id, $this->teacherroleid);
  94         }
  95         $courseman = new \core_analytics\course($this->course->id);
  96         $this->assertFalse($courseman->was_started());
  97         $this->assertFalse($courseman->is_finished());
  98
  99         // More students now.
 100         for ($i = 0; $i < 10; $i++) {
 101             $user = $this->getDataGenerator()->create_user();
 102             $this->getDataGenerator()->enrol_user($user->id, $this->course->id, $this->studentroleid);
 103         }
 104         $courseman = new \core_analytics\course($this->course->id);
 105         $this->assertFalse($courseman->was_started());
 106         $this->assertFalse($courseman->is_finished());
 107
 108         // Valid start date unknown end date.
 109         $this->course->startdate = gmmktime('0', '0', '0', 10, 24, 2015);
 110         $DB->update_record('course', $this->course);
 111         $courseman = new \core_analytics\course($this->course->id);
 112         $this->assertTrue($courseman->was_started());
 113         $this->assertFalse($courseman->is_finished());
 114
 115         // Valid start and end date.
 116         $this->course->enddate = gmmktime('0', '0', '0', 8, 27, 2016);
 117         $DB->update_record('course', $this->course);
 118         $courseman = new \core_analytics\course($this->course->id);
 119         $this->assertTrue($courseman->was_started());
 120         $this->assertTrue($courseman->is_finished());
 121
 122         // Valid start and ongoing course.
 123         $this->course->enddate = gmmktime('0', '0', '0', 8, 27, 2286);
 124         $DB->update_record('course', $this->course);
 125         $courseman = new \core_analytics\course($this->course->id);
 126         $this->assertTrue($courseman->was_started());
 127         $this->assertFalse($courseman->is_finished());
 128     }
 129
 130     /**
 131      * Get the minimum time that is considered valid according to guess_end logic.
 132      *
 133      * @param int $time
 134      * @return int
 135      */
 136     protected function time_greater_than($time) {
 137         return $time - (WEEKSECS * 2);
 138     }
 139
 140     /**
 141      * Get the maximum time that is considered valid according to guess_end logic.
 142      *
 143      * @param int $time
 144      * @return int
 145      */
 146     protected function time_less_than($time) {
 147         return $time + (WEEKSECS * 2);
 148     }
 149 }