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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 /** 18 * Unit tests for Rubric grading strategy logic 19 * 20 * @package workshopform_rubric 21 * @category test 22 * @copyright 2009 David Mudrak <david.mudrak@gmail.com> 23 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later 24 */ 25 namespace workshopform_rubric; 26 27 use workshop; 28 use workshop_rubric_strategy; 29 30 defined('MOODLE_INTERNAL') || die(); 31 32 // Include the code to test 33 global $CFG; 34 require_once($CFG->dirroot . '/mod/workshop/locallib.php'); 35 require_once($CFG->dirroot . '/mod/workshop/form/rubric/lib.php'); 36 37 /** 38 * Unit tests for Rubric grading strategy lib.php 39 */ 40 class lib_test extends \advanced_testcase { 41 42 /** workshop instance emulation */ 43 protected $workshop; 44 45 /** instance of the strategy logic class being tested */ 46 protected $strategy; 47 48 /** 49 * Setup testing environment 50 */ 51 protected function setUp(): void { 52 parent::setUp(); 53 $this->resetAfterTest(); 54 $this->setAdminUser(); 55 $course = $this->getDataGenerator()->create_course(); 56 $workshop = $this->getDataGenerator()->create_module('workshop', array('strategy' => 'rubric', 'course' => $course)); 57 $cm = get_fast_modinfo($course)->instances['workshop'][$workshop->id]; 58 $this->workshop = new workshop($workshop, $cm, $course); 59 $this->strategy = new testable_workshop_rubric_strategy($this->workshop); 60 61 // prepare dimensions definition 62 $dim = new \stdClass(); 63 $dim->id = 6; 64 $dim->levels[10] = (object)array('id' => 10, 'grade' => 0); 65 $dim->levels[13] = (object)array('id' => 13, 'grade' => 2); 66 $dim->levels[14] = (object)array('id' => 14, 'grade' => 6); 67 $dim->levels[16] = (object)array('id' => 16, 'grade' => 8); 68 $this->strategy->dimensions[$dim->id] = $dim; 69 70 $dim = new \stdClass(); 71 $dim->id = 8; 72 $dim->levels[17] = (object)array('id' => 17, 'grade' => 0); 73 $dim->levels[18] = (object)array('id' => 18, 'grade' => 1); 74 $dim->levels[19] = (object)array('id' => 19, 'grade' => 2); 75 $dim->levels[20] = (object)array('id' => 20, 'grade' => 3); 76 $this->strategy->dimensions[$dim->id] = $dim; 77 78 $dim = new \stdClass(); 79 $dim->id = 10; 80 $dim->levels[27] = (object)array('id' => 27, 'grade' => 10); 81 $dim->levels[28] = (object)array('id' => 28, 'grade' => 20); 82 $dim->levels[29] = (object)array('id' => 29, 'grade' => 30); 83 $dim->levels[30] = (object)array('id' => 30, 'grade' => 40); 84 $this->strategy->dimensions[$dim->id] = $dim; 85 86 } 87 88 protected function tearDown(): void { 89 $this->strategy = null; 90 $this->workshop = null; 91 parent::tearDown(); 92 } 93 94 public function test_calculate_peer_grade_null_grade() { 95 // fixture set-up 96 $grades = array(); 97 // exercise SUT 98 $suggested = $this->strategy->calculate_peer_grade($grades); 99 // validate 100 $this->assertNull($suggested); 101 } 102 103 public function test_calculate_peer_grade_worst_possible() { 104 // fixture set-up 105 $grades[6] = (object)array('dimensionid' => 6, 'grade' => 0); 106 $grades[8] = (object)array('dimensionid' => 8, 'grade' => 0); 107 $grades[10] = (object)array('dimensionid' => 10, 'grade' => 10); 108 // exercise SUT 109 $suggested = $this->strategy->calculate_peer_grade($grades); 110 // validate 111 $this->assertEquals(grade_floatval($suggested), 0.00000); 112 } 113 114 public function test_calculate_peer_grade_best_possible() { 115 // fixture set-up 116 $grades[6] = (object)array('dimensionid' => 6, 'grade' => 8); 117 $grades[8] = (object)array('dimensionid' => 8, 'grade' => 3); 118 $grades[10] = (object)array('dimensionid' => 10, 'grade' => 40); 119 // exercise SUT 120 $suggested = $this->strategy->calculate_peer_grade($grades); 121 // validate 122 $this->assertEquals(grade_floatval($suggested), 100.00000); 123 } 124 125 public function test_calculate_peer_grade_something() { 126 // fixture set-up 127 $grades[6] = (object)array('dimensionid' => 6, 'grade' => 2); 128 $grades[8] = (object)array('dimensionid' => 8, 'grade' => 2); 129 $grades[10] = (object)array('dimensionid' => 10, 'grade' => 30); 130 // exercise SUT 131 $suggested = $this->strategy->calculate_peer_grade($grades); 132 // validate 133 // minimal rubric score is 10, maximal is 51. We have 34 here 134 $this->assertEquals(grade_floatval($suggested), grade_floatval(100 * 24 / 41)); 135 } 136 } 137 138 139 /** 140 * Test subclass that makes all the protected methods we want to test public 141 */ 142 class testable_workshop_rubric_strategy extends workshop_rubric_strategy { 143 144 /** allows to set dimensions manually */ 145 public $dimensions = array(); 146 147 /** 148 * This is where the calculation of suggested grade for submission is done 149 */ 150 public function calculate_peer_grade(array $grades) { 151 return parent::calculate_peer_grade($grades); 152 } 153 }
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