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teststrategy.php
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teststrategy.php
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<?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 Number of errors grading logic
*
* @package mod-workshop
* @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
require_once($CFG->dirroot . '/mod/workshop/locallib.php');
require_once($CFG->dirroot . '/mod/workshop/form/numerrors/lib.php');
global $DB;
Mock::generate(get_class($DB), 'mockDB');
/**
* Test subclass that makes all the protected methods we want to test public
*/
class testable_workshop_numerrors_strategy extends workshop_numerrors_strategy {
/** allows to set dimensions manually */
public $dimensions = array();
/** allow to set mappings manually */
public $mappings = 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);
}
}
class workshop_numerrors_strategy_test extends UnitTestCase {
/** real database */
protected $realDB;
/** workshop instance emulation */
protected $workshop;
/** instance of the strategy logic class being tested */
protected $strategy;
/**
* Setup testing environment
*/
public function setUp() {
global $DB;
$this->realDB = $DB;
$DB = new mockDB();
$cm = new stdClass();
$course = new stdClass();
$context = new stdClass();
$workshop = (object)array('id' => 42, 'strategy' => 'numerrors');
$this->workshop = new workshop($workshop, $cm, $course, $context);
$this->strategy = new testable_workshop_numerrors_strategy($this->workshop);
}
public function tearDown() {
global $DB;
$DB = $this->realDB;
$this->workshop = null;
$this->strategy = null;
}
public function test_calculate_peer_grade_null_grade() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->mappings = array();
$grades = array();
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertNull($suggested);
}
public function test_calculate_peer_grade_no_error() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1');
$this->strategy->dimensions[109] = (object)array('weight' => '1');
$this->strategy->dimensions[111] = (object)array('weight' => '1');
$this->strategy->mappings = array();
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '1.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '1.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '1.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 100.00000);
}
public function test_calculate_peer_grade_one_error() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1');
$this->strategy->dimensions[109] = (object)array('weight' => '1');
$this->strategy->dimensions[111] = (object)array('weight' => '1');
$this->strategy->mappings = array(
1 => (object)array('grade' => '80.00000'),
2 => (object)array('grade' => '60.00000'),
);
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '1.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '1.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 80.00000);
}
public function test_calculate_peer_grade_three_errors_same_weight_a() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1.00000');
$this->strategy->dimensions[109] = (object)array('weight' => '1.00000');
$this->strategy->dimensions[111] = (object)array('weight' => '1.00000');
$this->strategy->mappings = array(
1 => (object)array('grade' => '80.00000'),
2 => (object)array('grade' => '60.00000'),
3 => (object)array('grade' => '10.00000'),
);
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '0.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 10.00000);
}
public function test_calculate_peer_grade_three_errors_same_weight_b() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1.00000');
$this->strategy->dimensions[109] = (object)array('weight' => '1.00000');
$this->strategy->dimensions[111] = (object)array('weight' => '1.00000');
$this->strategy->mappings = array(
1 => (object)array('grade' => '80.00000'),
2 => (object)array('grade' => '60.00000'),
3 => (object)array('grade' => '0.00000'),
);
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '0.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 0.00000);
}
public function test_calculate_peer_grade_one_error_weighted() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1');
$this->strategy->dimensions[109] = (object)array('weight' => '2');
$this->strategy->dimensions[111] = (object)array('weight' => '0');
$this->strategy->mappings = array(
1 => (object)array('grade' => '66.00000'),
2 => (object)array('grade' => '33.00000'),
3 => (object)array('grade' => '0.00000'),
);
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '1.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '1.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '0.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 33.00000);
}
public function test_calculate_peer_grade_zero_weight() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1');
$this->strategy->dimensions[109] = (object)array('weight' => '2');
$this->strategy->dimensions[111] = (object)array('weight' => '0');
$this->strategy->mappings = array(
1 => (object)array('grade' => '66.00000'),
2 => (object)array('grade' => '33.00000'),
3 => (object)array('grade' => '0.00000'),
);
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '1.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '1.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 100.00000);
}
public function test_calculate_peer_grade_sum_weight() {
// fixture set-up
$this->strategy->dimensions = array();
$this->strategy->dimensions[108] = (object)array('weight' => '1');
$this->strategy->dimensions[109] = (object)array('weight' => '2');
$this->strategy->dimensions[111] = (object)array('weight' => '3');
$this->strategy->mappings = array(
1 => (object)array('grade' => '90.00000'),
2 => (object)array('grade' => '80.00000'),
3 => (object)array('grade' => '70.00000'),
4 => (object)array('grade' => '60.00000'),
5 => (object)array('grade' => '30.00000'),
6 => (object)array('grade' => '5.00000'),
7 => (object)array('grade' => '0.00000'),
);
$grades = array();
$grades[] = (object)array('dimensionid' => 108, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 111, 'grade' => '0.00000');
$grades[] = (object)array('dimensionid' => 109, 'grade' => '0.00000');
// excercise SUT
$suggested = $this->strategy->calculate_peer_grade($grades);
// validate
$this->assertEqual($suggested, 5.00000);
}
}