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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/>.< /** < * This file contains tests for the question_attempt_step_iterator class. < * < * @package moodlecore < * @subpackage questionengine < * @copyright 2009 The Open University < * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later < */> namespace core_question;> use question_attempt_step; > use testable_question_attempt;defined('MOODLE_INTERNAL') || die(); global $CFG; require_once(__DIR__ . '/../lib.php'); require_once(__DIR__ . '/helpers.php');</** * Unit tests for the {@link question_attempt_step_iterator} class. *> * @package core_question * @copyright 2009 The Open University > * @category test* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */< class question_attempt_step_iterator_test extends advanced_testcase {> class questionattemptstepiterator_test extends \advanced_testcase {private $qa; private $iterator; protected function setUp(): void {< $question = test_question_maker::make_question('description');> $question = \test_question_maker::make_question('description');$this->qa = new testable_question_attempt($question, 0); for ($i = 0; $i < 3; $i++) { $step = new question_attempt_step(array('i' => $i)); $this->qa->add_step($step); } $this->iterator = $this->qa->get_step_iterator(); } protected function tearDown(): void { $this->qa = null; $this->iterator = null; } public function test_foreach_loop() { $i = 0; foreach ($this->iterator as $key => $step) { $this->assertEquals($i, $key); $this->assertEquals($i, $step->get_qt_var('i')); $i++; } } public function test_foreach_loop_add_step_during() { $i = 0; foreach ($this->iterator as $key => $step) { $this->assertEquals($i, $key); $this->assertEquals($i, $step->get_qt_var('i')); $i++; if ($i == 2) { $step = new question_attempt_step(array('i' => 3)); $this->qa->add_step($step); } } $this->assertEquals(4, $i); } public function test_reverse_foreach_loop() { $i = 2; foreach ($this->qa->get_reverse_step_iterator() as $key => $step) { $this->assertEquals($i, $key); $this->assertEquals($i, $step->get_qt_var('i')); $i--; } } public function test_offsetExists_before_start() { $this->assertFalse(isset($this->iterator[-1])); } public function test_offsetExists_at_start() { $this->assertTrue(isset($this->iterator[0])); } 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);> $this->expectException(\moodle_exception::class);$step = $this->iterator[-1]; } public function test_offsetGet_at_start() { $step = $this->iterator[0]; $this->assertEquals(0, $step->get_qt_var('i')); } public function test_offsetGet_at_end() { $step = $this->iterator[2]; $this->assertEquals(2, $step->get_qt_var('i')); } public function test_offsetGet_past_end() {< $this->expectException(moodle_exception::class);> $this->expectException(\moodle_exception::class);$step = $this->iterator[3]; } public function test_cannot_set() {< $this->expectException(moodle_exception::class);> $this->expectException(\moodle_exception::class);$this->iterator[0] = null; } public function test_cannot_unset() {< $this->expectException(moodle_exception::class);> $this->expectException(\moodle_exception::class);unset($this->iterator[2]); } }