assClozeSelectGapTest.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

class assClozeSelectGapTest extends PHPUnit_Framework_TestCase
{
        protected $backupGlobals = FALSE;

        protected function setUp()
        {
                if (defined('ILIAS_PHPUNIT_CONTEXT'))
                {
                        include_once("./Services/PHPUnit/classes/class.ilUnitUtil.php");
                        ilUnitUtil::performInitialisation();
                }
                else
                {
                        chdir( dirname( __FILE__ ) );
                        chdir('../../../');
                }
        }

        public function test_instantiateObject_shouldReturnInstance()
        {
                // Arrange
                require_once './Modules/TestQuestionPool/classes/class.assClozeSelectGap.php';

                // Act
                $instance = new assClozeSelectGap(1); // 1 - select gap

                $this->assertInstanceOf('assClozeSelectGap', $instance);
        }

        public function test_newlyInstatiatedObject_shouldReturnTrueOnGetShuffle()
        {
                // Arrange
                require_once './Modules/TestQuestionPool/classes/class.assClozeSelectGap.php';
                $instance = new assClozeSelectGap(1); // 1 - select gap
                $expected = true;

                $actual = $instance->getShuffle();

                $this->assertEquals($expected, $actual);
        }

        public function test_arrayShuffle_shouldShuffleArray()
        {
                // Arrange
                require_once './Modules/TestQuestionPool/classes/class.assClozeSelectGap.php';
                $instance = new assClozeSelectGap(1); // 1 - select gap
                $expected = array(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20);
                
                $actual = $instance->getItems(new ilArrayElementShuffler());
                $this->assertNotEquals($expected, $actual);
        }

        public function test_getItemswithShuffle_shouldReturnShuffledItems()
        {
                require_once './Modules/TestQuestionPool/classes/class.assClozeSelectGap.php';
                $instance = new assClozeSelectGap(1); // 1 - select gap

                require_once './Modules/TestQuestionPool/classes/class.assAnswerCloze.php';
                $item1 = new assAnswerCloze('Bert', 1.0, 0);
                $item2 = new assAnswerCloze('Fred', 2.0, 2);
                $item3 = new assAnswerCloze('Karl', 4, 1);
                $item4 = new assAnswerCloze('Esther', 4, 3);
                $item5 = new assAnswerCloze('Herbert', 1.0, 4);
                $item6 = new assAnswerCloze('Karina', 1.0, 5);
                $item7 = new assAnswerCloze('Helmut', 1.0, 6);
                $item8 = new assAnswerCloze('Kerstin', 1.0, 7);

                $instance->addItem($item1);
                $instance->addItem($item2);
                $instance->addItem($item3);
                $instance->addItem($item4);
                $instance->addItem($item5);
                $instance->addItem($item6);
                $instance->addItem($item7);
                $instance->addItem($item8);

                $instance->setType(true);

                $expected = array($item1, $item2, $item3, $item4, $item5, $item6, $item7, $item8);

                $actual = $instance->getItems(new ilArrayElementShuffler());

                $this->assertNotEquals($expected, $actual);
        }

        public function test_getItemswithoutShuffle_shouldReturnItemsInOrder()
        {
                require_once 'Services/Randomization/classes/class.ilArrayElementOrderKeeper.php';
                require_once './Modules/TestQuestionPool/classes/class.assClozeSelectGap.php';
                $instance = new assClozeSelectGap(1); // 1 - select gap

                require_once './Modules/TestQuestionPool/classes/class.assAnswerCloze.php';
                $item1 = new assAnswerCloze('Bert', 1.0, 0);
                $item2 = new assAnswerCloze('Fred', 2.0, 1);
                $item3 = new assAnswerCloze('Karl', 4, 2);
                $item4 = new assAnswerCloze('Esther', 4, 3);

                $instance->addItem($item1);
                $instance->addItem($item2);
                $instance->addItem($item3);
                $instance->addItem($item4);

                $instance->setType(false);

                $expected = array($item1, $item2, $item3, $item4);
                $actual   = $instance->getItems(new ilArrayElementOrderKeeper());

                $this->assertEquals($expected, $actual);
        }
}