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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 core_question; use question_engine; defined('MOODLE_INTERNAL') || die(); global $CFG; require_once(__DIR__ . '/../lib.php'); require_once(__DIR__ . '/helpers.php'); /** * This file contains tests for the {@link question_attempt_iterator} class. * * @package core_question * @category test * @copyright 2009 The Open University * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class questionattemptiterator_test extends \advanced_testcase { private $quba; private $qas = array(); private $iterator; protected function setUp(): void { $this->quba = question_engine::make_questions_usage_by_activity('unit_test', \context_system::instance()); $this->quba->set_preferred_behaviour('deferredfeedback'); $slot = $this->quba->add_question(\test_question_maker::make_question('description')); $this->qas[$slot] = $this->quba->get_question_attempt($slot); $slot = $this->quba->add_question(\test_question_maker::make_question('description')); $this->qas[$slot] = $this->quba->get_question_attempt($slot); $this->iterator = $this->quba->get_attempt_iterator(); } protected function tearDown(): void { $this->quba = null; $this->iterator = null; } public function test_foreach_loop() { $i = 1; foreach ($this->iterator as $key => $qa) { $this->assertEquals($i, $key); $this->assertSame($this->qas[$i], $qa); $i++; } $this->assertEquals(3, $i); } public function test_offsetExists_before_start() { $this->assertFalse(isset($this->iterator[0])); } public function test_offsetExists_at_start() { $this->assertTrue(isset($this->iterator[1])); } public function test_offsetExists_at_endt() { $this->assertTrue(isset($this->iterator[2])); } public function test_offsetExists_past_end() { $this->assertFalse(isset($this->iterator[3])); } public function test_offsetGet_before_start() { $this->expectException(\moodle_exception::class); $step = $this->iterator[0]; } public function test_offsetGet_at_start() { $this->assertSame($this->qas[1], $this->iterator[1]); } public function test_offsetGet_at_end() { $this->assertSame($this->qas[2], $this->iterator[2]); } public function test_offsetGet_past_end() { $this->expectException(\moodle_exception::class); $step = $this->iterator[3]; } public function test_cannot_set() { $this->expectException(\moodle_exception::class); $this->iterator[0] = null; } public function test_cannot_unset() { $this->expectException(\moodle_exception::class); unset($this->iterator[2]); } }