moodle/question/engine/simpletest/testquestionattemptiterator.php

116 lines
3.5 KiB
PHP

<?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_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();
require_once(dirname(__FILE__) . '/../lib.php');
require_once(dirname(__FILE__) . '/helpers.php');
/**
* This file contains tests for the {@link question_attempt_iterator} class.
*
* @copyright 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class question_attempt_iterator_test extends UnitTestCase {
private $quba;
private $qas = array();
private $iterator;
public function setUp() {
$this->quba = question_engine::make_questions_usage_by_activity('unit_test',
get_context_instance(CONTEXT_SYSTEM));
$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();
}
public function tearDown() {
$this->quba = null;
$this->iterator = null;
}
public function test_foreach_loop() {
$i = 1;
foreach ($this->iterator as $key => $qa) {
$this->assertEqual($i, $key);
$this->assertIdentical($this->qas[$i], $qa);
$i++;
}
$this->assertEqual(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();
$step = $this->iterator[0];
}
public function test_offsetGet_at_start() {
$this->assertIdentical($this->qas[1], $this->iterator[1]);
}
public function test_offsetGet_at_end() {
$this->assertIdentical($this->qas[2], $this->iterator[2]);
}
public function test_offsetGet_past_end() {
$this->expectException();
$step = $this->iterator[3];
}
public function test_cannot_set() {
$this->expectException();
$this->iterator[0] = null;
}
public function test_cannot_unset() {
$this->expectException();
unset($this->iterator[2]);
}
}