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See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?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
 */


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.
 *
 * @copyright  2009 The Open University
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class question_attempt_step_iterator_test extends advanced_testcase {
    private $qa;
    private $iterator;

< protected function setUp() {
> protected function setUp(): void {
$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() {
> 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])); }
< /** < * @expectedException moodle_exception < */
public function test_offsetGet_before_start() {
> $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')); }
< /** < * @expectedException moodle_exception < */
public function test_offsetGet_past_end() {
> $this->expectException(moodle_exception::class);
$step = $this->iterator[3]; }
< /** < * @expectedException moodle_exception < */
public function test_cannot_set() {
> $this->expectException(moodle_exception::class);
$this->iterator[0] = null; }
< /** < * @expectedException moodle_exception < */
public function test_cannot_unset() {
> $this->expectException(moodle_exception::class);
unset($this->iterator[2]); } }