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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/>. namespace qbank_usage; defined('MOODLE_INTERNAL') \|\| die(); use mod_quiz\quiz_attempt; global $CFG; require_once($CFG->dirroot . '/mod/quiz/tests/quiz_question_helper_test_trait.php'); /** * Helper test. * * @package qbank_usage * @copyright 2021 Catalyst IT Australia Pty Ltd * @author Safat Shahin <safatshahin@catalyst-au.net> * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * @coversDefaultClass \qbank_usage\helper / class helper_test extends \advanced_testcase { use \quiz_question_helper_test_trait; /* * @var \stdClass $quiz / protected $quiz; /* * @var \stdClass $user / protected $user; /* * @var \core_question_generator $questiongenerator / protected $questiongenerator; /* * @var array $questions / protected $questions = []; /* * Test setup. / public function setup(): void { $this->resetAfterTest(); $layout = '1,2,0'; // Make a user to do the quiz. $this->user = $this->getDataGenerator()->create_user(); $course = $this->getDataGenerator()->create_course(); // Make a quiz. $quizgenerator = $this->getDataGenerator()->get_plugin_generator('mod_quiz'); $this->quiz = $quizgenerator->create_instance(['course' => $course->id, 'grade' => 100.0, 'sumgrades' => 2, 'layout' => $layout]); $this->questiongenerator = $this->getDataGenerator()->get_plugin_generator('core_question'); $cat = $this->questiongenerator->create_question_category(); $page = 1; foreach (explode(',', $layout) as $slot) { if ($slot == 0) { $page += 1; continue; } $question = $this->questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]); quiz_add_quiz_question($question->id, $this->quiz, $page); $this->questions [] = $question; } } /* * Record a quiz attempt. * * @return void / protected function attempt_quiz(): void { $quizobj = \mod_quiz\quiz_settings::create($this->quiz->id, $this->user->id); $quba = \question_engine::make_questions_usage_by_activity('mod_quiz', $quizobj->get_context()); $quba->set_preferred_behaviour($quizobj->get_quiz()->preferredbehaviour); $timenow = time(); $attempt = quiz_create_attempt($quizobj, 1, false, $timenow, false, $this->user->id); quiz_start_new_attempt($quizobj, $quba, $attempt, 1, $timenow); quiz_attempt_save_started($quizobj, $quba, $attempt); quiz_attempt::create($attempt->id); } /* * Test question attempt count. * * @covers ::get_question_attempts_count_in_quiz / public function test_get_question_attempts_count_in_quiz() { $this->attempt_quiz(); foreach ($this->questions as $question) { $questionattemptcount = helper::get_question_attempts_count_in_quiz($question->id, $this->quiz->id); // Test the attempt count matches the usage count, each question should have one count. $this->assertEquals(1, $questionattemptcount); } } /* * Test test usage data. * * @covers ::get_question_entry_usage_count / public function test_get_question_entry_usage_count() { foreach ($this->questions as $question) { $count = helper::get_question_entry_usage_count(\question_bank::load_question($question->id)); // Test that the attempt data matches the usage data for the count. $this->assertEquals(1, $count); } } /* * If a question has been included via a random question attempt, this should be counted as a usage. * * @covers ::get_question_entry_usage_count * @return void / public function test_get_random_question_attempts_usage_count(): void { $this->setAdminUser(); $cat = $this->questiongenerator->create_question_category(); $question = $this->questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]); $this->add_random_questions($this->quiz->id, 1, $cat->id, 1); $qdef = \question_bank::load_question($question->id); $count = helper::get_question_entry_usage_count($qdef); $this->assertEquals(0, $count); $this->attempt_quiz(); $count = helper::get_question_entry_usage_count($qdef); $this->assertEquals(1, $count); } /* * When a question referenced directly is edited, the usage count of all versions remains the same. * * When checking usage of separate versions, the new version should show usages but the original version should not. * * @covers ::get_question_entry_usage_count * @return void / public function test_edited_question_usage_counts(): void { foreach ($this->questions as $question) { $qdef = \question_bank::load_question($question->id); $count1 = helper::get_question_entry_usage_count($qdef); // Each question should have 1 usage. $this->assertEquals(1, $count1); $newversion = $this->questiongenerator->update_question($question); $newqdef = \question_bank::load_question($newversion->id); // Either version should return the same count if not checking a specific version. $count2 = helper::get_question_entry_usage_count($qdef); $this->assertEquals(1, $count2); $count3 = helper::get_question_entry_usage_count($newqdef); $this->assertEquals(1, $count3); // Checking the specific version count should return the counts for each version. // The original version is no longer included in the quiz, so has 0 usages. $count4 = helper::get_question_entry_usage_count($qdef, true); $this->assertEquals(0, $count4); // The new version is now included in the quiz, so has 1 usage. $count5 = helper::get_question_entry_usage_count($newqdef, true); $this->assertEquals(1, $count5); } } /* * When a question referenced directly with attempts is edited, the usage count of all versions remains the same. * * When checking usage of separate versions, both versions should show usage. * * @covers ::get_question_entry_usage_count * @return void / public function test_edited_attempted_question_usage_counts(): void { $this->attempt_quiz(); foreach ($this->questions as $question) { $qdef = \question_bank::load_question($question->id); $count1 = helper::get_question_entry_usage_count($qdef); // Each question should have 1 usage. $this->assertEquals(1, $count1); $newversion = $this->questiongenerator->update_question($question); $newqdef = \question_bank::load_question($newversion->id); // Either version should return the same count if not checking a specific version. $count2 = helper::get_question_entry_usage_count($qdef); $this->assertEquals(1, $count2); $count3 = helper::get_question_entry_usage_count($newqdef); $this->assertEquals(1, $count3); // Checking the specific version count should return the counts for each version. // The original version is no longer included in the quiz. However, the is still an attempt using this question version, // so it has 1 usage. $count4 = helper::get_question_entry_usage_count($qdef, true); $this->assertEquals(1, $count4); // The new version is now included in the quiz, so has 1 usage. $count5 = helper::get_question_entry_usage_count($newqdef, true); $this->assertEquals(1, $count5); } } /* * When a random question with attempts is edited, it should still have the same usage count. * * When checking usage of separate versions, the original version should still show usage but the new version should not. * * @covers ::get_question_entry_usage_count * @return void */ public function test_edited_attempted_random_question_usage_count(): void { $this->setAdminUser(); $cat = $this->questiongenerator->create_question_category(); $question = $this->questiongenerator->create_question('shortanswer', null, ['category' => $cat->id]); $this->add_random_questions($this->quiz->id, 1, $cat->id, 1); $this->attempt_quiz(); $qdef = \question_bank::load_question($question->id); $count1 = helper::get_question_entry_usage_count($qdef); $this->assertEquals(1, $count1); $newversion = $this->questiongenerator->update_question($question); $newqdef = \question_bank::load_question($newversion->id); // Either version should return the same count if not checking a specific version. $count2 = helper::get_question_entry_usage_count($qdef); $this->assertEquals(1, $count2); $count3 = helper::get_question_entry_usage_count($newqdef); $this->assertEquals(1, $count3); // Checking the specific version count should return the counts for each version. // There is still an attempt of the original version has part of the random question attempt, so it has 1 usage. $count4 = helper::get_question_entry_usage_count($qdef, true); $this->assertEquals(1, $count4); // There is no attempt of the new version, so it has 0 usages. $count5 = helper::get_question_entry_usage_count($newqdef, true); $this->assertEquals(0, $count5); } }

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