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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 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 < */
> 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() { < $question = test_question_maker::make_question('description');
> 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]); } }