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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 qtype_random;use qtype_random;use question_bank;defined('MOODLE_INTERNAL') || die();global $CFG;require_once($CFG->dirroot . '/question/engine/tests/helpers.php');require_once($CFG->dirroot . '/question/type/random/questiontype.php');/*** Unit tests for the random question type class.** @package qtype_random* @copyright 2010 The Open University* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later*/final class question_type_test extends \advanced_testcase {protected $qtype;protected function setUp(): void {parent::setUp();$this->qtype = new qtype_random();}protected function tearDown(): void {$this->qtype = null;parent::tearDown();}public function test_name(): void {$this->assertEquals($this->qtype->name(), 'random');}public function test_can_analyse_responses(): void {$this->assertFalse($this->qtype->can_analyse_responses());}public function test_get_random_guess_score(): void {$this->assertNull($this->qtype->get_random_guess_score(null));}public function test_load_question(): void {$this->resetAfterTest();$syscontext = \context_system::instance();/** @var core_question_generator $generator */$generator = $this->getDataGenerator()->get_plugin_generator('core_question');$category = $generator->create_question_category(['contextid' => $syscontext->id]);$fromform = \test_question_maker::get_question_form_data('random');$fromform->category = $category->id . ',' . $syscontext->id;$question = new \stdClass();$question->category = $category->id;$question->qtype = 'random';$question->createdby = 0;$this->qtype->save_question($question, $fromform);$questiondata = question_bank::load_question_data($question->id);$this->assertEquals(['id', 'category', 'parent', 'name', 'questiontext', 'questiontextformat','generalfeedback', 'generalfeedbackformat', 'defaultmark', 'penalty', 'qtype','length', 'stamp', 'timecreated', 'timemodified', 'createdby', 'modifiedby', 'idnumber', 'contextid','status', 'versionid', 'version', 'questionbankentryid', 'categoryobject', 'options', 'hints'],array_keys(get_object_vars($questiondata)));$this->assertEquals($category->id, $questiondata->category);// Random questions are not real questions. This is signaled by parent// being non-zero - and in fact equal to question id.$this->assertEquals($questiondata->id, $questiondata->parent);$this->assertEquals('Random (' . $category->name . ')', $questiondata->name);$this->assertEquals(0, $questiondata->questiontext); // Used to store 'Select from subcategories'.$this->assertEquals('random', $questiondata->qtype);$this->assertEquals(1, $questiondata->length);$this->assertEquals(\core_question\local\bank\question_version_status::QUESTION_STATUS_READY, $questiondata->status);$this->assertEquals($category->contextid, $questiondata->contextid);// Options - not used.$this->assertEquals(['answers'], array_keys(get_object_vars($questiondata->options)));$this->assertEquals([], $questiondata->options->answers);// Hints - not used.$this->assertEquals([], $questiondata->hints);}public function test_get_possible_responses(): void {$this->assertEquals(array(), $this->qtype->get_possible_responses(null));}public function test_question_creation(): void {$this->resetAfterTest();question_bank::get_qtype('random')->clear_caches_before_testing();$generator = $this->getDataGenerator()->get_plugin_generator('core_question');$cat = $generator->create_question_category();$question1 = $generator->create_question('shortanswer', null, array('category' => $cat->id));$question2 = $generator->create_question('numerical', null, array('category' => $cat->id));$randomquestion = $generator->create_question('random', null, array('category' => $cat->id));$expectedids = array($question1->id, $question2->id);$actualids = question_bank::get_qtype('random')->get_available_questions_from_category($cat->id, 0);sort($expectedids);sort($actualids);$this->assertEquals($expectedids, $actualids);$q = question_bank::load_question($randomquestion->id);$this->assertContainsEquals($q->id, array($question1->id, $question2->id));}}