mod/quiz/tests/lib_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 (some of) mod/quiz/locallib.php.
  19  *
  20  * @package    mod_quiz
  21  * @category   phpunit
  22  * @copyright  2008 The Open University
  23  * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License
  24  */
  25
  26
  27 defined('MOODLE_INTERNAL') || die();
  28
  29 global $CFG;
  30 require_once($CFG->dirroot . '/mod/quiz/editlib.php');
  31
  32
  33 /**
  34  * @copyright  2008 The Open University
  35  * @license    http://www.gnu.org/copyleft/gpl.html GNU Public License
  36  */
  37 class mod_quiz_lib_testcase extends advanced_testcase {
  38     public function test_quiz_has_grades() {
  39         $quiz = new stdClass();
  40         $quiz->grade = '100.0000';
  41         $quiz->sumgrades = '100.0000';
  42         $this->assertTrue(quiz_has_grades($quiz));
  43         $quiz->sumgrades = '0.0000';
  44         $this->assertFalse(quiz_has_grades($quiz));
  45         $quiz->grade = '0.0000';
  46         $this->assertFalse(quiz_has_grades($quiz));
  47         $quiz->sumgrades = '100.0000';
  48         $this->assertFalse(quiz_has_grades($quiz));
  49     }
  50
  51     public function test_quiz_format_grade() {
  52         $quiz = new stdClass();
  53         $quiz->decimalpoints = 2;
  54         $this->assertEquals(quiz_format_grade($quiz, 0.12345678), format_float(0.12, 2));
  55         $this->assertEquals(quiz_format_grade($quiz, 0), format_float(0, 2));
  56         $this->assertEquals(quiz_format_grade($quiz, 1.000000000000), format_float(1, 2));
  57         $quiz->decimalpoints = 0;
  58         $this->assertEquals(quiz_format_grade($quiz, 0.12345678), '0');
  59     }
  60
  61     public function test_quiz_format_question_grade() {
  62         $quiz = new stdClass();
  63         $quiz->decimalpoints = 2;
  64         $quiz->questiondecimalpoints = 2;
  65         $this->assertEquals(quiz_format_question_grade($quiz, 0.12345678), format_float(0.12, 2));
  66         $this->assertEquals(quiz_format_question_grade($quiz, 0), format_float(0, 2));
  67         $this->assertEquals(quiz_format_question_grade($quiz, 1.000000000000), format_float(1, 2));
  68         $quiz->decimalpoints = 3;
  69         $quiz->questiondecimalpoints = -1;
  70         $this->assertEquals(quiz_format_question_grade($quiz, 0.12345678), format_float(0.123, 3));
  71         $this->assertEquals(quiz_format_question_grade($quiz, 0), format_float(0, 3));
  72         $this->assertEquals(quiz_format_question_grade($quiz, 1.000000000000), format_float(1, 3));
  73         $quiz->questiondecimalpoints = 4;
  74         $this->assertEquals(quiz_format_question_grade($quiz, 0.12345678), format_float(0.1235, 4));
  75         $this->assertEquals(quiz_format_question_grade($quiz, 0), format_float(0, 4));
  76         $this->assertEquals(quiz_format_question_grade($quiz, 1.000000000000), format_float(1, 4));
  77     }
  78
  79     /**
  80      * Test deleting a quiz instance.
  81      */
  82     public function test_quiz_delete_instance() {
  83         global $SITE, $DB;
  84         $this->resetAfterTest(true);
  85         $this->setAdminUser();
  86
  87         // Setup a quiz with 1 standard and 1 random question.
  88         $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
  89         $quiz = $quizgenerator->create_instance(array('course' => $SITE->id, 'questionsperpage' => 3, 'grade' => 100.0));
  90
  91         $questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
  92         $cat = $questiongenerator->create_question_category();
  93         $standardq = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
  94
  95         quiz_add_quiz_question($standardq->id, $quiz);
  96         quiz_add_random_questions($quiz, 0, $cat->id, 1, false);
  97
  98         // Get the random question.
  99         $randomq = $DB->get_record('question', array('qtype' => 'random'));
 100
 101         quiz_delete_instance($quiz->id);
 102
 103         // Check that the random question was deleted.
 104         $count = $DB->count_records('question', array('id' => $randomq->id));
 105         $this->assertEquals(0, $count);
 106         // Check that the standard question was not deleted.
 107         $count = $DB->count_records('question', array('id' => $standardq->id));
 108         $this->assertEquals(1, $count);
 109
 110         // Check that all the slots were removed.
 111         $count = $DB->count_records('quiz_slots', array('quizid' => $quiz->id));
 112         $this->assertEquals(0, $count);
 113
 114         // Check that the quiz was removed.
 115         $count = $DB->count_records('quiz', array('id' => $quiz->id));
 116         $this->assertEquals(0, $count);
 117     }
 118 }