ThumbnailControllerTest.php

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<?php
namespace TYPO3\CMS\Backend\Tests\Unit\Controller\File;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use PHPUnit\Framework\MockObject\MockObject;
use TYPO3\CMS\Backend\Controller\File\ThumbnailController;
use TYPO3\CMS\Core\Http\Response;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class ThumbnailControllerTest extends \TYPO3\TestingFramework\Core\Unit\UnitTestCase
{
    protected $subject;

    protected static $parameters = [
        'fileId' => 123,
        'configuration' => [
            'width' => 64,
            'heigth' => 64,
        ],
    ];

    protected function setUp()
    {
        $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey']
            = '4408d27a916d51e624b69af3554f516dbab61037a9f7b9fd6f81b4d3bedeccb6';
        $this->subject = $this->createPartialMock(
            ThumbnailController::class,
            ['generateThumbnail']
        );
    }

    public function exceptionIsThrownOnInvalidHMAC(string $hmac = null)
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionCode(1534484203);

        $queryParameters = [
            'parameters' => json_encode(static::$parameters),
            'hmac' => $hmac,
        ];

        $request = (new \TYPO3\CMS\Core\Http\ServerRequest())
            ->withQueryParams($queryParameters);
        $this->subject->render($request);
    }

    public function exceptionIsThrownOnInvalidHMACDataProvider(): array
    {
        return [
            'null' => [null],
            'empty' => [''],
            'invalid' => ['invalid'],
        ];
    }

    public function generateThumbnailIsInvoked(array $parameters = null)
    {
        $this->subject->expects(static::once())
            ->method('generateThumbnail')
            ->willReturn(new Response());

        $queryParameters = [
            'parameters' => json_encode($parameters),
            'hmac' => GeneralUtility::hmac(
                json_encode($parameters),
                ThumbnailController::class
            ),
        ];

        $request = (new \TYPO3\CMS\Core\Http\ServerRequest())
            ->withQueryParams($queryParameters);
        static::assertInstanceOf(
            Response::class,
            $this->subject->render($request)
        );
    }

    public function generateThumbnailIsInvokedDataProvider(): array
    {
        return [
            'null' => [null],
            'empty array' => [[]],
            'parameters' => [static::$parameters],
        ];
    }
}