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);
    }
}