BytesViewHelperTest.php

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<?php
namespace TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\Format;

/*                                                                        *
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU General Public License, either version 3 of the   *
 * License, or (at your option) any later version.                        *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;
use TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\ViewHelperBaseTestcase;

class BytesViewHelperTest extends ViewHelperBaseTestcase
{
    protected $viewHelper;

    protected function setUp()
    {
        parent::setUp();

        // XXX: This is bad from a testing POV but the only option right now
        $reflectionClass = new \ReflectionClass(\TYPO3\CMS\Extbase\Utility\LocalizationUtility::class);
        $property = $reflectionClass->getProperty('configurationManager');
        $property->setAccessible(true);
        $property->setValue($this->getMock(ConfigurationManagerInterface::class));

        $this->viewHelper = $this->getMock(\TYPO3\CMS\Fluid\ViewHelpers\Format\BytesViewHelper::class, ['renderChildren']);
        $this->injectDependenciesIntoViewHelper($this->viewHelper);
        $this->viewHelper->initializeArguments();
    }

    public function valueDataProvider()
    {
        return [

                // invalid values
            [
                'value' => 'invalid',
                'decimals' => null,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '0 B'
            ],
            [
                'value' => '',
                'decimals' => 2,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '0.00 B'
            ],
            [
                'value' => [],
                'decimals' => 2,
                'decimalSeparator' => ',',
                'thousandsSeparator' => null,
                'expected' => '0,00 B'
            ],
                // valid values
            [
                'value' => 123,
                'decimals' => null,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '123 B'
            ],
            [
                'value' => '43008',
                'decimals' => 1,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '42.0 KB'
            ],
            [
                'value' => 1024,
                'decimals' => 1,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '1.0 KB'
            ],
            [
                'value' => 1023,
                'decimals' => 2,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '1,023.00 B'
            ],
            [
                'value' => 1073741823,
                'decimals' => 1,
                'decimalSeparator' => null,
                'thousandsSeparator' => '.',
                'expected' => '1.024.0 MB'
            ],
            [
                'value' => pow(1024, 5),
                'decimals' => 1,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '1.0 PB'
            ],
            [
                'value' => pow(1024, 8),
                'decimals' => 1,
                'decimalSeparator' => null,
                'thousandsSeparator' => null,
                'expected' => '1.0 YB'
            ]
        ];
    }

    public function renderCorrectlyConvertsAValue($value, $decimals, $decimalSeparator, $thousandsSeparator, $expected)
    {
        $actualResult = $this->viewHelper->render($value, $decimals, $decimalSeparator, $thousandsSeparator);
        $this->assertEquals($expected, $actualResult);
    }

    public function renderUsesChildNodesIfValueArgumentIsOmitted()
    {
        $this->viewHelper->expects($this->once())->method('renderChildren')->will($this->returnValue(12345));
        $actualResult = $this->viewHelper->render();
        $this->assertEquals('12 KB', $actualResult);
    }
}