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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Unit tests for Accumulative grading strategy logic
 *
 * @package    workshopform_accumulative
 * @category   phpunit
 * @copyright  2009 David Mudrak <david.mudrak@gmail.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

// Include the code to test
global $CFG;
require_once($CFG->dirroot . '/mod/workshop/locallib.php');
require_once($CFG->dirroot . '/mod/workshop/form/accumulative/lib.php');


class workshop_accumulative_strategy_testcase extends advanced_testcase {
    /** workshop instance emulation */
    protected $workshop;

    /** @var testable_workshop_accumulative_strategy instance of the strategy logic class being tested */
    protected $strategy;

    /**
     * Setup testing environment
     */
< protected function setUp() {
> protected function setUp(): void {
parent::setUp(); $this->resetAfterTest(); $this->setAdminUser(); $course = $this->getDataGenerator()->create_course(); $workshop = $this->getDataGenerator()->create_module('workshop', array('strategy' => 'accumulative', 'course' => $course)); $cm = get_fast_modinfo($course)->instances['workshop'][$workshop->id]; $this->workshop = new workshop($workshop, $cm, $course); $this->strategy = new testable_workshop_accumulative_strategy($this->workshop); }
< protected function tearDown() {
> protected function tearDown(): void {
$this->workshop = null; $this->strategy = null; parent::tearDown(); } public function test_calculate_peer_grade_null_grade() { // fixture set-up $this->strategy->dimensions = array(); $grades = array(); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertNull($suggested); } public function test_calculate_peer_grade_one_numerical() { // fixture set-up $this->strategy->dimensions[1003] = (object)array('grade' => '20', 'weight' => '1'); $grades[] = (object)array('dimensionid' => 1003, 'grade' => '5.00000'); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(grade_floatval(5/20 * 100), $suggested); }
< /** < * @expectedException coding_exception < */
public function test_calculate_peer_grade_negative_weight() { // fixture set-up $this->strategy->dimensions[1003] = (object)array('grade' => '20', 'weight' => '-1'); $grades[] = (object)array('dimensionid' => 1003, 'grade' => '20'); // exercise SUT
> $this->expectException(coding_exception::class);
$suggested = $this->strategy->calculate_peer_grade($grades); } public function test_calculate_peer_grade_one_numerical_weighted() { // fixture set-up $this->strategy->dimensions[1003] = (object)array('grade' => '20', 'weight' => '3'); $grades[] = (object)array('dimensionid' => '1003', 'grade' => '5'); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(grade_floatval(5/20 * 100), $suggested); } public function test_calculate_peer_grade_three_numericals_same_weight() { // fixture set-up $this->strategy->dimensions[1003] = (object)array('grade' => '20', 'weight' => '2'); $this->strategy->dimensions[1004] = (object)array('grade' => '100', 'weight' => '2'); $this->strategy->dimensions[1005] = (object)array('grade' => '10', 'weight' => '2'); $grades[] = (object)array('dimensionid' => 1003, 'grade' => '11.00000'); $grades[] = (object)array('dimensionid' => 1004, 'grade' => '87.00000'); $grades[] = (object)array('dimensionid' => 1005, 'grade' => '10.00000'); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(grade_floatval((11/20 + 87/100 + 10/10)/3 * 100), $suggested); } public function test_calculate_peer_grade_three_numericals_different_weights() { // fixture set-up $this->strategy->dimensions[1003] = (object)array('grade' => '15', 'weight' => 3); $this->strategy->dimensions[1004] = (object)array('grade' => '80', 'weight' => 1); $this->strategy->dimensions[1005] = (object)array('grade' => '5', 'weight' => 2); $grades[] = (object)array('dimensionid' => 1003, 'grade' => '7.00000'); $grades[] = (object)array('dimensionid' => 1004, 'grade' => '66.00000'); $grades[] = (object)array('dimensionid' => 1005, 'grade' => '4.00000'); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(grade_floatval((7/15*3 + 66/80*1 + 4/5*2)/6 * 100), $suggested); } public function test_calculate_peer_grade_one_scale_max() { $this->resetAfterTest(true); // fixture set-up $scale11 = $this->getDataGenerator()->create_scale(array('scale'=>'E,D,C,B,A', 'id'=>11)); $this->strategy->dimensions[1008] = (object)array('grade' => (-$scale11->id), 'weight' => 1); $grades[] = (object)array('dimensionid' => 1008, 'grade' => '5.00000'); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(100.00000, $suggested); } public function test_calculate_peer_grade_one_scale_min_with_scale_caching() { $this->resetAfterTest(true); // fixture set-up $scale11 = $this->getDataGenerator()->create_scale(array('scale'=>'E,D,C,B,A', 'id'=>11)); $this->strategy->dimensions[1008] = (object)array('grade' => (-$scale11->id), 'weight' => 1); $grades[] = (object)array('dimensionid' => 1008, 'grade' => '1.00000'); // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(0.00000, $suggested); } public function test_calculate_peer_grade_two_scales_weighted() { $this->resetAfterTest(true); // fixture set-up $scale13 = $this->getDataGenerator()->create_scale(array('scale'=>'Poor,Good,Excellent', 'id'=>13)); $scale17 = $this->getDataGenerator()->create_scale(array('scale'=>'-,*,**,***,****,*****,******', 'id'=>17)); $this->strategy->dimensions[1012] = (object)array('grade' => (-$scale13->id), 'weight' => 2); $this->strategy->dimensions[1019] = (object)array('grade' => (-$scale17->id), 'weight' => 3); $grades[] = (object)array('dimensionid' => 1012, 'grade' => '2.00000'); // "Good" $grades[] = (object)array('dimensionid' => 1019, 'grade' => '5.00000'); // "****" // exercise SUT $suggested = $this->strategy->calculate_peer_grade($grades); // validate $this->assertEquals(grade_floatval((1/2*2 + 4/6*3)/5 * 100), $suggested); }
< /** < * @expectedException coding_exception < */
public function test_calculate_peer_grade_scale_exception() { $this->resetAfterTest(true); // fixture set-up $scale13 = $this->getDataGenerator()->create_scale(array('scale'=>'Poor,Good,Excellent', 'id'=>13)); $this->strategy->dimensions[1012] = (object)array('grade' => (-$scale13->id), 'weight' => 1); $grades[] = (object)array('dimensionid' => 1012, 'grade' => '4.00000'); // exceeds the number of scale items // Exercise SUT.
> $this->expectException(coding_exception::class);
$suggested = $this->strategy->calculate_peer_grade($grades); } } /** * Test subclass that makes all the protected methods we want to test public */ class testable_workshop_accumulative_strategy extends workshop_accumulative_strategy { /** allows to set dimensions manually */ public $dimensions = array(); /** * This is where the calculation of suggested grade for submission is done */ public function calculate_peer_grade(array $grades) { return parent::calculate_peer_grade($grades); } }