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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace qbank_statistics;
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defined('MOODLE_INTERNAL') || die();
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use core_question\statistics\questions\all_calculated_for_qubaid_condition;
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use quiz_statistics\tests\statistics_helper;
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use mod_quiz\quiz_attempt;
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use mod_quiz\quiz_settings;
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use question_engine;
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global $CFG;
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require_once($CFG->dirroot . '/mod/quiz/tests/quiz_question_helper_test_trait.php');
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/**
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* Tests for question statistics.
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*
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* @package qbank_statistics
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* @copyright 2021 Catalyst IT Australia Pty Ltd
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* @author Nathan Nguyen <nathannguyen@catalyst-au.net>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class helper_test extends \advanced_testcase {
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use \quiz_question_helper_test_trait;
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/**
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* Test quizzes that contain a specified question.
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*
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* @covers ::get_all_places_where_questions_were_attempted
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* @deprecated since Moodle 4.3 please use the method from statistics_bulk_loader.
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* @todo MDL-78090 Final deprecation in Moodle 4.7
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*/
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public function test_get_all_places_where_questions_were_attempted(): void {
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$this->resetAfterTest();
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$this->setAdminUser();
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$rcm = new \ReflectionMethod(helper::class, 'get_all_places_where_questions_were_attempted');
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// Create a course.
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$course = $this->getDataGenerator()->create_course();
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// Create three quizzes.
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$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
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$quiz1 = $quizgenerator->create_instance([
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'course' => $course->id,
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'grade' => 100.0, 'sumgrades' => 2,
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'layout' => '1,2,0'
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]);
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$quiz1context = \context_module::instance($quiz1->cmid);
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$quiz2 = $quizgenerator->create_instance([
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'course' => $course->id,
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'grade' => 100.0, 'sumgrades' => 2,
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'layout' => '1,2,0'
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]);
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$quiz2context = \context_module::instance($quiz2->cmid);
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$quiz3 = $quizgenerator->create_instance([
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'course' => $course->id,
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'grade' => 100.0, 'sumgrades' => 2,
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'layout' => '1,2,0'
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]);
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$quiz3context = \context_module::instance($quiz3->cmid);
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// Create questions.
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/** @var \core_question_generator $questiongenerator */
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$cat = $questiongenerator->create_question_category();
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$question1 = $questiongenerator->create_question('shortanswer', null, array('category' => $cat->id));
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$question2 = $questiongenerator->create_question('numerical', null, array('category' => $cat->id));
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// Add question 1 to quiz 1 and make an attempt.
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quiz_add_quiz_question($question1->id, $quiz1);
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// Quiz 1 attempt.
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$this->submit_quiz($quiz1, [1 => ['answer' => 'frog']]);
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// Add questions 1 and 2 to quiz 2.
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quiz_add_quiz_question($question1->id, $quiz2);
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quiz_add_quiz_question($question2->id, $quiz2);
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$this->submit_quiz($quiz2, [1 => ['answer' => 'frog'], 2 => ['answer' => 10]]);
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// Checking quizzes that use question 1.
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$q1places = $rcm->invoke(null, [$question1->id]);
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$this->assertCount(2, $q1places);
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$this->assertEquals((object) ['component' => 'mod_quiz', 'contextid' => $quiz1context->id], $q1places[0]);
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$this->assertEquals((object) ['component' => 'mod_quiz', 'contextid' => $quiz2context->id], $q1places[1]);
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// Checking quizzes that contain question 2.
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$q2places = $rcm->invoke(null, [$question2->id]);
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$this->assertCount(1, $q2places);
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$this->assertEquals((object) ['component' => 'mod_quiz', 'contextid' => $quiz2context->id], $q2places[0]);
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// Add a random question to quiz3.
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$this->add_random_questions($quiz3->id, 0, $cat->id, 1);
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$this->submit_quiz($quiz3, [1 => ['answer' => 'willbewrong']]);
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// Quiz 3 will now be in one of these arrays.
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$q1places = $rcm->invoke(null, [$question1->id]);
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$q2places = $rcm->invoke(null, [$question2->id]);
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if (count($q1places) == 3) {
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$newplace = end($q1places);
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} else {
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$newplace = end($q2places);
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}
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$this->assertEquals((object) ['component' => 'mod_quiz', 'contextid' => $quiz3context->id], $newplace);
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}
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/**
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* Create 2 quizzes.
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*
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* @return array return 2 quizzes
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* @throws \coding_exception
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*/
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private function prepare_quizzes(): array {
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// Create a course.
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$course = $this->getDataGenerator()->create_course();
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// Make 2 quizzes.
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$quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz');
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$layout = '1,2,0,3,4,0';
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$quiz1 = $quizgenerator->create_instance([
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'course' => $course->id,
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'grade' => 100.0, 'sumgrades' => 2,
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'layout' => $layout
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]);
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$quiz2 = $quizgenerator->create_instance([
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'course' => $course->id,
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'grade' => 100.0, 'sumgrades' => 2,
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'layout' => $layout
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]);
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/** @var \core_question_generator $questiongenerator */
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$questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question');
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$cat = $questiongenerator->create_question_category();
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$page = 1;
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$questions = [];
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foreach (explode(',', $layout) as $slot) {
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if ($slot == 0) {
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$page += 1;
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continue;
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}
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$question = $questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]);
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$questions[$slot] = $question;
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quiz_add_quiz_question($question->id, $quiz1, $page);
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quiz_add_quiz_question($question->id, $quiz2, $page);
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}
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return [$quiz1, $quiz2, $questions];
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}
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/**
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* Submit quiz answers
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*
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* @param object $quiz
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* @param array $answers
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* @throws \moodle_exception
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*/
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private function submit_quiz(object $quiz, array $answers): void {
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// Create user.
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$user = $this->getDataGenerator()->create_user();
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// Create attempt.
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$quizobj = quiz_settings::create($quiz->id, $user->id);
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$quba = question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context());
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$quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour);
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$timenow = time();
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$attempt = quiz_create_attempt($quizobj, 1, null, $timenow, false, $user->id);
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quiz_start_new_attempt($quizobj, $quba, $attempt, 1, $timenow);
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quiz_attempt_save_started($quizobj, $quba, $attempt);
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// Submit attempt.
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$attemptobj = quiz_attempt::create($attempt->id);
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$attemptobj->process_submitted_actions($timenow, false, $answers);
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$attemptobj->process_finish($timenow, false);
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}
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/**
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* Generate attempt answers.
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*
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* @param array $correctanswerflags array of 1 or 0
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* 1 : generate correct answer
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* 0 : generate wrong answer
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*
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* @return array
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*/
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private function generate_attempt_answers(array $correctanswerflags): array {
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$attempt = [];
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for ($i = 1; $i <= 4; $i++) {
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if (isset($correctanswerflags) && $correctanswerflags[$i - 1] == 1) {
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// Correct answer.
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$attempt[$i] = ['answer' => 'frog'];
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} else {
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$attempt[$i] = ['answer' => 'false'];
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}
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}
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return $attempt;
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}
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/**
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*
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* Generate quizzes and submit answers.
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*
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* @param array $quiz1attempts quiz 1 attempts
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* @param array $quiz2attempts quiz 2 attempts
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*
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* @return array
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*/
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private function prepare_and_submit_quizzes(array $quiz1attempts, array $quiz2attempts): array {
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list($quiz1, $quiz2, $questions) = $this->prepare_quizzes();
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// Submit attempts of quiz1.
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foreach ($quiz1attempts as $attempt) {
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$this->submit_quiz($quiz1, $attempt);
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}
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// Submit attempts of quiz2.
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foreach ($quiz2attempts as $attempt) {
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$this->submit_quiz($quiz2, $attempt);
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}
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// Calculate the statistics.
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$this->expectOutputRegex('~.*Calculations completed.*~');
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statistics_helper::run_pending_recalculation_tasks();
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return [$quiz1, $quiz2, $questions];
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}
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/**
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* To use private helper::extract_item_value function.
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*
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* @param all_calculated_for_qubaid_condition $statistics the batch of statistics.
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* @param int $questionid a question id.
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* @param string $item one of the field names in all_calculated_for_qubaid_condition, e.g. 'facility'.
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* @return float|null the required value.
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*/
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private function extract_item_value(all_calculated_for_qubaid_condition $statistics,
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int $questionid, string $item): ?float {
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$rcm = new \ReflectionMethod(helper::class, 'extract_item_value');
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return $rcm->invoke(null, $statistics, $questionid, $item);
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}
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/**
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* To use private helper::load_statistics_for_place function (with mod_quiz component).
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*
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* @param \context $context the context to load the statistics for.
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* @return all_calculated_for_qubaid_condition|null question statistics.
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*/
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private function load_quiz_statistics_for_place(\context $context): ?all_calculated_for_qubaid_condition {
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$rcm = new \ReflectionMethod(helper::class, 'load_statistics_for_place');
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return $rcm->invoke(null, 'mod_quiz', $context);
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}
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/**
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* Data provider for {@see test_load_question_facility()}.
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*
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* @return \Generator
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*/
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public function load_question_facility_provider(): \Generator {
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yield 'Facility case 1' => [
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'Quiz 1 attempts' => [
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$this->generate_attempt_answers([1, 0, 0, 0]),
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],
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'Expected quiz 1 facilities' => ['100.00%', '0.00%', '0.00%', '0.00%'],
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'Quiz 2 attempts' => [
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$this->generate_attempt_answers([1, 0, 0, 0]),
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$this->generate_attempt_answers([1, 1, 0, 0]),
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],
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'Expected quiz 2 facilities' => ['100.00%', '50.00%', '0.00%', '0.00%'],
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'Expected average facilities' => ['100.00%', '25.00%', '0.00%', '0.00%'],
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];
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yield 'Facility case 2' => [
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'Quiz 1 attempts' => [
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$this->generate_attempt_answers([1, 0, 0, 0]),
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$this->generate_attempt_answers([1, 1, 0, 0]),
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$this->generate_attempt_answers([1, 1, 1, 0]),
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],
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'Expected quiz 1 facilities' => ['100.00%', '66.67%', '33.33%', '0.00%'],
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'Quiz 2 attempts' => [
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$this->generate_attempt_answers([1, 0, 0, 0]),
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$this->generate_attempt_answers([1, 1, 0, 0]),
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$this->generate_attempt_answers([1, 1, 1, 0]),
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$this->generate_attempt_answers([1, 1, 1, 1]),
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],
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'Expected quiz 2 facilities' => ['100.00%', '75.00%', '50.00%', '25.00%'],
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'Expected average facilities' => ['100.00%', '70.83%', '41.67%', '12.50%'],
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];
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}
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/**
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* Test question facility
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*
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* @dataProvider load_question_facility_provider
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*
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* @param array $quiz1attempts quiz 1 attempts
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* @param array $expectedquiz1facilities expected quiz 1 facilities
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* @param array $quiz2attempts quiz 2 attempts
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* @param array $expectedquiz2facilities expected quiz 2 facilities
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* @param array $expectedaveragefacilities expected average facilities
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* @deprecated since Moodle 4.3 please use the method from statistics_bulk_loader.
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* @todo MDL-78090 Final deprecation in Moodle 4.7
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*/
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public function test_load_question_facility(
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array $quiz1attempts,
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array $expectedquiz1facilities,
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array $quiz2attempts,
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array $expectedquiz2facilities,
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array $expectedaveragefacilities
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): void {
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$this->resetAfterTest();
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326 |
list($quiz1, $quiz2, $questions) = $this->prepare_and_submit_quizzes($quiz1attempts, $quiz2attempts);
|
|
|
327 |
|
|
|
328 |
// Quiz 1 facilities.
|
|
|
329 |
$stats = $this->load_quiz_statistics_for_place(\context_module::instance($quiz1->cmid));
|
|
|
330 |
$quiz1facility1 = $this->extract_item_value($stats, $questions[1]->id, 'facility');
|
|
|
331 |
$quiz1facility2 = $this->extract_item_value($stats, $questions[2]->id, 'facility');
|
|
|
332 |
$quiz1facility3 = $this->extract_item_value($stats, $questions[3]->id, 'facility');
|
|
|
333 |
$quiz1facility4 = $this->extract_item_value($stats, $questions[4]->id, 'facility');
|
|
|
334 |
|
|
|
335 |
$this->assertEquals($expectedquiz1facilities[0], helper::format_percentage($quiz1facility1));
|
|
|
336 |
$this->assertEquals($expectedquiz1facilities[1], helper::format_percentage($quiz1facility2));
|
|
|
337 |
$this->assertEquals($expectedquiz1facilities[2], helper::format_percentage($quiz1facility3));
|
|
|
338 |
$this->assertEquals($expectedquiz1facilities[3], helper::format_percentage($quiz1facility4));
|
|
|
339 |
|
|
|
340 |
// Quiz 2 facilities.
|
|
|
341 |
$stats = $this->load_quiz_statistics_for_place(\context_module::instance($quiz2->cmid));
|
|
|
342 |
$quiz2facility1 = $this->extract_item_value($stats, $questions[1]->id, 'facility');
|
|
|
343 |
$quiz2facility2 = $this->extract_item_value($stats, $questions[2]->id, 'facility');
|
|
|
344 |
$quiz2facility3 = $this->extract_item_value($stats, $questions[3]->id, 'facility');
|
|
|
345 |
$quiz2facility4 = $this->extract_item_value($stats, $questions[4]->id, 'facility');
|
|
|
346 |
|
|
|
347 |
$this->assertEquals($expectedquiz2facilities[0], helper::format_percentage($quiz2facility1));
|
|
|
348 |
$this->assertEquals($expectedquiz2facilities[1], helper::format_percentage($quiz2facility2));
|
|
|
349 |
$this->assertEquals($expectedquiz2facilities[2], helper::format_percentage($quiz2facility3));
|
|
|
350 |
$this->assertEquals($expectedquiz2facilities[3], helper::format_percentage($quiz2facility4));
|
|
|
351 |
|
|
|
352 |
// Average question facilities.
|
|
|
353 |
$averagefacility1 = helper::calculate_average_question_facility($questions[1]->id);
|
|
|
354 |
$averagefacility2 = helper::calculate_average_question_facility($questions[2]->id);
|
|
|
355 |
$averagefacility3 = helper::calculate_average_question_facility($questions[3]->id);
|
|
|
356 |
$averagefacility4 = helper::calculate_average_question_facility($questions[4]->id);
|
|
|
357 |
|
|
|
358 |
$this->assertEquals($expectedaveragefacilities[0], helper::format_percentage($averagefacility1));
|
|
|
359 |
$this->assertEquals($expectedaveragefacilities[1], helper::format_percentage($averagefacility2));
|
|
|
360 |
$this->assertEquals($expectedaveragefacilities[2], helper::format_percentage($averagefacility3));
|
|
|
361 |
$this->assertEquals($expectedaveragefacilities[3], helper::format_percentage($averagefacility4));
|
|
|
362 |
|
|
|
363 |
$this->assertDebuggingCalledCount(4,
|
|
|
364 |
[
|
|
|
365 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
366 |
'in your question bank column class.',
|
|
|
367 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
368 |
'in your question bank column class.',
|
|
|
369 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
370 |
'in your question bank column class.',
|
|
|
371 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
372 |
'in your question bank column class.',
|
|
|
373 |
],
|
|
|
374 |
[DEBUG_DEVELOPER, DEBUG_DEVELOPER, DEBUG_DEVELOPER, DEBUG_DEVELOPER]);
|
|
|
375 |
}
|
|
|
376 |
|
|
|
377 |
/**
|
|
|
378 |
* Data provider for {@see test_load_question_discriminative_efficiency()}.
|
|
|
379 |
* @return \Generator
|
|
|
380 |
*/
|
|
|
381 |
public function load_question_discriminative_efficiency_provider(): \Generator {
|
|
|
382 |
yield 'Discriminative efficiency' => [
|
|
|
383 |
'Quiz 1 attempts' => [
|
|
|
384 |
$this->generate_attempt_answers([1, 0, 0, 0]),
|
|
|
385 |
$this->generate_attempt_answers([1, 1, 0, 0]),
|
|
|
386 |
$this->generate_attempt_answers([1, 0, 1, 0]),
|
|
|
387 |
$this->generate_attempt_answers([1, 1, 1, 1]),
|
|
|
388 |
],
|
|
|
389 |
'Expected quiz 1 discriminative efficiency' => ['N/A', '33.33%', '33.33%', '100.00%'],
|
|
|
390 |
'Quiz 2 attempts' => [
|
|
|
391 |
$this->generate_attempt_answers([1, 1, 1, 1]),
|
|
|
392 |
$this->generate_attempt_answers([0, 0, 0, 0]),
|
|
|
393 |
$this->generate_attempt_answers([1, 0, 0, 1]),
|
|
|
394 |
$this->generate_attempt_answers([0, 1, 1, 0]),
|
|
|
395 |
],
|
|
|
396 |
'Expected quiz 2 discriminative efficiency' => ['50.00%', '50.00%', '50.00%', '50.00%'],
|
|
|
397 |
'Expected average discriminative efficiency' => ['50.00%', '41.67%', '41.67%', '75.00%'],
|
|
|
398 |
];
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
/**
|
|
|
402 |
* Test discriminative efficiency
|
|
|
403 |
*
|
|
|
404 |
* @dataProvider load_question_discriminative_efficiency_provider
|
|
|
405 |
*
|
|
|
406 |
* @param array $quiz1attempts quiz 1 attempts
|
|
|
407 |
* @param array $expectedquiz1discriminativeefficiency expected quiz 1 discriminative efficiency
|
|
|
408 |
* @param array $quiz2attempts quiz 2 attempts
|
|
|
409 |
* @param array $expectedquiz2discriminativeefficiency expected quiz 2 discriminative efficiency
|
|
|
410 |
* @param array $expectedaveragediscriminativeefficiency expected average discriminative efficiency
|
|
|
411 |
* @deprecated since Moodle 4.3 please use the method from statistics_bulk_loader.
|
|
|
412 |
* @todo MDL-78090 Final deprecation in Moodle 4.7
|
|
|
413 |
*/
|
|
|
414 |
public function test_load_question_discriminative_efficiency(
|
|
|
415 |
array $quiz1attempts,
|
|
|
416 |
array $expectedquiz1discriminativeefficiency,
|
|
|
417 |
array $quiz2attempts,
|
|
|
418 |
array $expectedquiz2discriminativeefficiency,
|
|
|
419 |
array $expectedaveragediscriminativeefficiency
|
|
|
420 |
): void {
|
|
|
421 |
$this->resetAfterTest();
|
|
|
422 |
|
|
|
423 |
list($quiz1, $quiz2, $questions) = $this->prepare_and_submit_quizzes($quiz1attempts, $quiz2attempts);
|
|
|
424 |
|
|
|
425 |
// Quiz 1 discriminative efficiency.
|
|
|
426 |
$stats = $this->load_quiz_statistics_for_place(\context_module::instance($quiz1->cmid));
|
|
|
427 |
$discriminativeefficiency1 = $this->extract_item_value($stats, $questions[1]->id, 'discriminativeefficiency');
|
|
|
428 |
$discriminativeefficiency2 = $this->extract_item_value($stats, $questions[2]->id, 'discriminativeefficiency');
|
|
|
429 |
$discriminativeefficiency3 = $this->extract_item_value($stats, $questions[3]->id, 'discriminativeefficiency');
|
|
|
430 |
$discriminativeefficiency4 = $this->extract_item_value($stats, $questions[4]->id, 'discriminativeefficiency');
|
|
|
431 |
|
|
|
432 |
$this->assertEquals($expectedquiz1discriminativeefficiency[0],
|
|
|
433 |
helper::format_percentage($discriminativeefficiency1, false),
|
|
|
434 |
"Failure in quiz 1 - question 1 discriminative efficiency");
|
|
|
435 |
$this->assertEquals($expectedquiz1discriminativeefficiency[1],
|
|
|
436 |
helper::format_percentage($discriminativeefficiency2, false),
|
|
|
437 |
"Failure in quiz 1 - question 2 discriminative efficiency");
|
|
|
438 |
$this->assertEquals($expectedquiz1discriminativeefficiency[2],
|
|
|
439 |
helper::format_percentage($discriminativeefficiency3, false),
|
|
|
440 |
"Failure in quiz 1 - question 3 discriminative efficiency");
|
|
|
441 |
$this->assertEquals($expectedquiz1discriminativeefficiency[3],
|
|
|
442 |
helper::format_percentage($discriminativeefficiency4, false),
|
|
|
443 |
"Failure in quiz 1 - question 4 discriminative efficiency");
|
|
|
444 |
|
|
|
445 |
// Quiz 2 discriminative efficiency.
|
|
|
446 |
$stats = $this->load_quiz_statistics_for_place(\context_module::instance($quiz2->cmid));
|
|
|
447 |
$discriminativeefficiency1 = $this->extract_item_value($stats, $questions[1]->id, 'discriminativeefficiency');
|
|
|
448 |
$discriminativeefficiency2 = $this->extract_item_value($stats, $questions[2]->id, 'discriminativeefficiency');
|
|
|
449 |
$discriminativeefficiency3 = $this->extract_item_value($stats, $questions[3]->id, 'discriminativeefficiency');
|
|
|
450 |
$discriminativeefficiency4 = $this->extract_item_value($stats, $questions[4]->id, 'discriminativeefficiency');
|
|
|
451 |
|
|
|
452 |
$this->assertEquals($expectedquiz2discriminativeefficiency[0],
|
|
|
453 |
helper::format_percentage($discriminativeefficiency1, false),
|
|
|
454 |
"Failure in quiz 2 - question 1 discriminative efficiency");
|
|
|
455 |
$this->assertEquals($expectedquiz2discriminativeefficiency[1],
|
|
|
456 |
helper::format_percentage($discriminativeefficiency2, false),
|
|
|
457 |
"Failure in quiz 2 - question 2 discriminative efficiency");
|
|
|
458 |
$this->assertEquals($expectedquiz2discriminativeefficiency[2],
|
|
|
459 |
helper::format_percentage($discriminativeefficiency3, false),
|
|
|
460 |
"Failure in quiz 2 - question 3 discriminative efficiency");
|
|
|
461 |
$this->assertEquals($expectedquiz2discriminativeefficiency[3],
|
|
|
462 |
helper::format_percentage($discriminativeefficiency4, false),
|
|
|
463 |
"Failure in quiz 2 - question 4 discriminative efficiency");
|
|
|
464 |
|
|
|
465 |
// Average question discriminative efficiency.
|
|
|
466 |
$avgdiscriminativeefficiency1 = helper::calculate_average_question_discriminative_efficiency($questions[1]->id);
|
|
|
467 |
$avgdiscriminativeefficiency2 = helper::calculate_average_question_discriminative_efficiency($questions[2]->id);
|
|
|
468 |
$avgdiscriminativeefficiency3 = helper::calculate_average_question_discriminative_efficiency($questions[3]->id);
|
|
|
469 |
$avgdiscriminativeefficiency4 = helper::calculate_average_question_discriminative_efficiency($questions[4]->id);
|
|
|
470 |
|
|
|
471 |
$this->assertEquals($expectedaveragediscriminativeefficiency[0],
|
|
|
472 |
helper::format_percentage($avgdiscriminativeefficiency1, false),
|
|
|
473 |
"Failure in question 1 average discriminative efficiency");
|
|
|
474 |
$this->assertEquals($expectedaveragediscriminativeefficiency[1],
|
|
|
475 |
helper::format_percentage($avgdiscriminativeefficiency2, false),
|
|
|
476 |
"Failure in question 2 average discriminative efficiency");
|
|
|
477 |
$this->assertEquals($expectedaveragediscriminativeefficiency[2],
|
|
|
478 |
helper::format_percentage($avgdiscriminativeefficiency3, false),
|
|
|
479 |
"Failure in question 3 average discriminative efficiency");
|
|
|
480 |
$this->assertEquals($expectedaveragediscriminativeefficiency[3],
|
|
|
481 |
helper::format_percentage($avgdiscriminativeefficiency4, false),
|
|
|
482 |
"Failure in question 4 average discriminative efficiency");
|
|
|
483 |
|
|
|
484 |
$this->assertDebuggingCalledCount(4,
|
|
|
485 |
[
|
|
|
486 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
487 |
'in your question bank column class.',
|
|
|
488 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
489 |
'in your question bank column class.',
|
|
|
490 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
491 |
'in your question bank column class.',
|
|
|
492 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
493 |
'in your question bank column class.',
|
|
|
494 |
],
|
|
|
495 |
[DEBUG_DEVELOPER, DEBUG_DEVELOPER, DEBUG_DEVELOPER, DEBUG_DEVELOPER]);
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
/**
|
|
|
499 |
* Data provider for {@see test_load_question_discrimination_index()}.
|
|
|
500 |
* @return \Generator
|
|
|
501 |
*/
|
|
|
502 |
public function load_question_discrimination_index_provider(): \Generator {
|
|
|
503 |
yield 'Discrimination Index' => [
|
|
|
504 |
'Quiz 1 attempts' => [
|
|
|
505 |
$this->generate_attempt_answers([1, 0, 0, 0]),
|
|
|
506 |
$this->generate_attempt_answers([1, 1, 0, 0]),
|
|
|
507 |
$this->generate_attempt_answers([1, 0, 1, 0]),
|
|
|
508 |
$this->generate_attempt_answers([1, 1, 1, 1]),
|
|
|
509 |
],
|
|
|
510 |
'Expected quiz 1 Discrimination Index' => ['N/A', '30.15%', '30.15%', '81.65%'],
|
|
|
511 |
'Quiz 2 attempts' => [
|
|
|
512 |
$this->generate_attempt_answers([1, 1, 1, 1]),
|
|
|
513 |
$this->generate_attempt_answers([0, 0, 0, 0]),
|
|
|
514 |
$this->generate_attempt_answers([1, 0, 0, 1]),
|
|
|
515 |
$this->generate_attempt_answers([0, 1, 1, 0]),
|
|
|
516 |
],
|
|
|
517 |
'Expected quiz 2 discrimination Index' => ['44.72%', '44.72%', '44.72%', '44.72%'],
|
|
|
518 |
'Expected average discrimination Index' => ['44.72%', '37.44%', '37.44%', '63.19%'],
|
|
|
519 |
];
|
|
|
520 |
}
|
|
|
521 |
|
|
|
522 |
/**
|
|
|
523 |
* Test discrimination index
|
|
|
524 |
*
|
|
|
525 |
* @dataProvider load_question_discrimination_index_provider
|
|
|
526 |
*
|
|
|
527 |
* @param array $quiz1attempts quiz 1 attempts
|
|
|
528 |
* @param array $expectedquiz1discriminationindex expected quiz 1 discrimination index
|
|
|
529 |
* @param array $quiz2attempts quiz 2 attempts
|
|
|
530 |
* @param array $expectedquiz2discriminationindex expected quiz 2 discrimination index
|
|
|
531 |
* @param array $expectedaveragediscriminationindex expected average discrimination index
|
|
|
532 |
* @deprecated since Moodle 4.3 please use the method from statistics_bulk_loader.
|
|
|
533 |
* @todo MDL-78090 Final deprecation in Moodle 4.7
|
|
|
534 |
*/
|
|
|
535 |
public function test_load_question_discrimination_index(
|
|
|
536 |
array $quiz1attempts,
|
|
|
537 |
array $expectedquiz1discriminationindex,
|
|
|
538 |
array $quiz2attempts,
|
|
|
539 |
array $expectedquiz2discriminationindex,
|
|
|
540 |
array $expectedaveragediscriminationindex
|
|
|
541 |
): void {
|
|
|
542 |
$this->resetAfterTest();
|
|
|
543 |
|
|
|
544 |
list($quiz1, $quiz2, $questions) = $this->prepare_and_submit_quizzes($quiz1attempts, $quiz2attempts);
|
|
|
545 |
|
|
|
546 |
// Quiz 1 discrimination index.
|
|
|
547 |
$stats = $this->load_quiz_statistics_for_place(\context_module::instance($quiz1->cmid));
|
|
|
548 |
$discriminationindex1 = $this->extract_item_value($stats, $questions[1]->id, 'discriminationindex');
|
|
|
549 |
$discriminationindex2 = $this->extract_item_value($stats, $questions[2]->id, 'discriminationindex');
|
|
|
550 |
$discriminationindex3 = $this->extract_item_value($stats, $questions[3]->id, 'discriminationindex');
|
|
|
551 |
$discriminationindex4 = $this->extract_item_value($stats, $questions[4]->id, 'discriminationindex');
|
|
|
552 |
|
|
|
553 |
$this->assertEquals($expectedquiz1discriminationindex[0],
|
|
|
554 |
helper::format_percentage($discriminationindex1, false),
|
|
|
555 |
"Failure in quiz 1 - question 1 discrimination index");
|
|
|
556 |
$this->assertEquals($expectedquiz1discriminationindex[1],
|
|
|
557 |
helper::format_percentage($discriminationindex2, false),
|
|
|
558 |
"Failure in quiz 1 - question 2 discrimination index");
|
|
|
559 |
$this->assertEquals($expectedquiz1discriminationindex[2],
|
|
|
560 |
helper::format_percentage($discriminationindex3, false),
|
|
|
561 |
"Failure in quiz 1 - question 3 discrimination index");
|
|
|
562 |
$this->assertEquals($expectedquiz1discriminationindex[3],
|
|
|
563 |
helper::format_percentage($discriminationindex4, false),
|
|
|
564 |
"Failure in quiz 1 - question 4 discrimination index");
|
|
|
565 |
|
|
|
566 |
// Quiz 2 discrimination index.
|
|
|
567 |
$stats = $this->load_quiz_statistics_for_place(\context_module::instance($quiz2->cmid));
|
|
|
568 |
$discriminationindex1 = $this->extract_item_value($stats, $questions[1]->id, 'discriminationindex');
|
|
|
569 |
$discriminationindex2 = $this->extract_item_value($stats, $questions[2]->id, 'discriminationindex');
|
|
|
570 |
$discriminationindex3 = $this->extract_item_value($stats, $questions[3]->id, 'discriminationindex');
|
|
|
571 |
$discriminationindex4 = $this->extract_item_value($stats, $questions[4]->id, 'discriminationindex');
|
|
|
572 |
|
|
|
573 |
$this->assertEquals($expectedquiz2discriminationindex[0],
|
|
|
574 |
helper::format_percentage($discriminationindex1, false),
|
|
|
575 |
"Failure in quiz 2 - question 1 discrimination index");
|
|
|
576 |
$this->assertEquals($expectedquiz2discriminationindex[1],
|
|
|
577 |
helper::format_percentage($discriminationindex2, false),
|
|
|
578 |
"Failure in quiz 2 - question 2 discrimination index");
|
|
|
579 |
$this->assertEquals($expectedquiz2discriminationindex[2],
|
|
|
580 |
helper::format_percentage($discriminationindex3, false),
|
|
|
581 |
"Failure in quiz 2 - question 3 discrimination index");
|
|
|
582 |
$this->assertEquals($expectedquiz2discriminationindex[3],
|
|
|
583 |
helper::format_percentage($discriminationindex4, false),
|
|
|
584 |
"Failure in quiz 2 - question 4 discrimination index");
|
|
|
585 |
|
|
|
586 |
// Average question discrimination index.
|
|
|
587 |
$avgdiscriminationindex1 = helper::calculate_average_question_discrimination_index($questions[1]->id);
|
|
|
588 |
$avgdiscriminationindex2 = helper::calculate_average_question_discrimination_index($questions[2]->id);
|
|
|
589 |
$avgdiscriminationindex3 = helper::calculate_average_question_discrimination_index($questions[3]->id);
|
|
|
590 |
$avgdiscriminationindex4 = helper::calculate_average_question_discrimination_index($questions[4]->id);
|
|
|
591 |
|
|
|
592 |
$this->assertEquals($expectedaveragediscriminationindex[0],
|
|
|
593 |
helper::format_percentage($avgdiscriminationindex1, false),
|
|
|
594 |
"Failure in question 1 average discrimination index");
|
|
|
595 |
$this->assertEquals($expectedaveragediscriminationindex[1],
|
|
|
596 |
helper::format_percentage($avgdiscriminationindex2, false),
|
|
|
597 |
"Failure in question 2 average discrimination index");
|
|
|
598 |
$this->assertEquals($expectedaveragediscriminationindex[2],
|
|
|
599 |
helper::format_percentage($avgdiscriminationindex3, false),
|
|
|
600 |
"Failure in question 3 average discrimination index");
|
|
|
601 |
$this->assertEquals($expectedaveragediscriminationindex[3],
|
|
|
602 |
helper::format_percentage($avgdiscriminationindex4, false),
|
|
|
603 |
"Failure in question 4 average discrimination index");
|
|
|
604 |
|
|
|
605 |
$this->assertDebuggingCalledCount(4,
|
|
|
606 |
[
|
|
|
607 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
608 |
'in your question bank column class.',
|
|
|
609 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
610 |
'in your question bank column class.',
|
|
|
611 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
612 |
'in your question bank column class.',
|
|
|
613 |
'Deprecated: please use statistics_bulk_loader instead, or get_required_statistics_fields ' .
|
|
|
614 |
'in your question bank column class.',
|
|
|
615 |
],
|
|
|
616 |
[DEBUG_DEVELOPER, DEBUG_DEVELOPER, DEBUG_DEVELOPER, DEBUG_DEVELOPER]);
|
|
|
617 |
}
|
|
|
618 |
}
|