Exemplo de teste com stub, dummy, mock builtin function, mock de final class

example.php

//------------------ DownloadAssetsProcess.php
<?php
/**
 * This file is part of Whirlpool Middleware project.
 *
 * PHP version 7
 *
 * @category  PHP
 * @package   ArizonaTecnologia\WhirlppolMiddleware\Services\Consumers\Process
 * @author    William Espindola <oi@williamespindola.com.br>
 * @copyright 2016 Arizona Tecnologia - All Rights Reserved
 * @license   http://gitlab.arizona.com.br/pim/whirlpool-middleware/licence.txt Proprietary
 * @link      http://gitlab.arizona.com.br/pim/whirlpool-middleware
 */
declare(strict_types=1);

namespace ArizonaTecnologia\WhirlppolMiddleware\Services\Consumers\Process;

use Pimple\Container;
use SRIO\ChainOfResponsibility\ChainContext;
use SRIO\ChainOfResponsibility\ChainProcessInterface;
use ArizonaTecnologia\WhirlppolMiddleware\Services\FoldersCreator;
use ArizonaTecnologia\VistoIntegrator\Asset\Visto\GetAssets as RequestVistoAssets;
use ArizonaTecnologia\VistoIntegrator\Asset\Nuxeo\Download as RequestNuxelDownloadAsset;

/**
 * Walk on assets and download
 *
 * @category  PHP
 * @package   ArizonaTecnologia\WhirlppolMiddleware\Services\Consumers\Process
 * @author    William Espindola <oi@williamespindola.com.br>
 * @copyright 2016 Arizona Tecnologia - All Rights Reserved
 * @license   http://gitlab.arizona.com.br/pim/whirlpool-middleware/licence.txt Proprietary
 * @version   Release: 1.0.0
 * @link      http://gitlab.arizona.com.br/pim/whirlpool-middleware
 */
class DownloadAssetsProcess implements ChainProcessInterface
{
    /**
     * @var FoldersCreator $vistoFolders
     */
    private $vistoFolders;

    /**
     * @var RequestVistoAssets $requestVistoAssets
     */
    private $requestVistoAssets;

    /**
     * @var RequestNuxelDownloadAsset requestNuxelDownloadAsset
     */
    private $requestNuxelDownloadAsset;

    /**
     * Initializes DownloadAssets
     *
     * @param Container $container
     */
    public function __construct(
        FoldersCreator $vistoFolders,
        RequestVistoAssets $requestVistoAssets,
        RequestNuxelDownloadAsset $requestNuxelDownloadAsset
    )
    {
        $this->vistoFolders = $vistoFolders;
        $this->requestVistoAssets = $requestVistoAssets;
        $this->requestNuxelDownloadAsset = $requestNuxelDownloadAsset;
    }

    /**
     * Execute donwload for each asset
     *
     * @param ChainContext $context
     */
    public function execute(ChainContext $context)
    {
        foreach ($context['sanitizedAssets'] as $asset) {
            $directory = $this->vistoFolders
                ->createFolderInPath(
                    $this->vistoFolders->getNodePath('/print'),
                    $asset['work-asset-data']['asset-type']
                );

            $assetOnVisto = $this->requestVistoAssets
                ->getAssets([$asset['product-version-assets']['asset_id']]);

            if ($assetOnVisto->assets->fileRepositoryObjectId != NULL) {

                $fildPath = $this->requestNuxelDownloadAsset
                    ->download(
                        $assetOnVisto->assets->fileRepositoryObjectId,
                        $asset['work-asset-data']['striped-name']
                    );

                $destiniFile = $directory . '/' . $asset['work-asset-data']['striped-name'];

                rename($fildPath, $destiniFile);
            }
        }
    }
}

//-------------------------------- DownloadAssetsProcessTest.php
<?php
/**
 * This file is part of PIM API project.
 *
 * PHP version 7
 *
 * @category  PHP
 * @package   ArizonaTecnologia\WhirlppolMiddleware\Test\Services\Consumers\Process
 * @author    William Espindola <oi@williamespindola.com.br>
 * @copyright 2016 Arizona Tecnologia - All Rights Reserved
 * @license   Proprietary
 * @link      http://gitlab.arizona.com.br/pim/pim-api
 */

namespace ArizonaTecnologia\WhirlppolMiddleware\Services\Consumers\Process;

use PHPUnit\Framework\TestCase;
use Psr\Http\Message\ResponseInterface;
use SRIO\ChainOfResponsibility\ArrayChainContext;
use ArizonaTecnologia\WhirlppolMiddleware\Services\FoldersCreator;
use ArizonaTecnologia\VistoIntegrator\Asset\Visto\GetAssets;
use ArizonaTecnologia\WhirlppolMiddleware\Services\Consumers\Process\DownloadAssetsProcess;
use ArizonaTecnologia\VistoIntegrator\Asset\Nuxeo\Download;

$renamed = null;

class MockFolders implements FoldersCreator
{
    public function createFolders($domainPath)
    {
    
    }

    public function getFolder()
    {
    
    }

    public function getFullPath()
    {
    }

    public function getNodePath($name)
    {
        return 'root-folder/' . $name;
    }

    public function createFolderInPath($destinyPath, $newFolder)
    {
        return $destinyPath . '/' . $newFolder;
    }
}

function rename($first, $secound)
{
    global $renamed;

    $renamed = $first . $secound;
}

class DownloadAssetsProcessTest extends TestCase
{
    public function setUp()
    {
        global $renamed;
        $renamed = null;

        $this->mockGetAsset = $this->getMockBuilder(GetAssets::class)
            ->disableOriginalConstructor()
            ->setMethods(['getAssets'])
            ->getMock();

        $this->mockDownloadAsset = $this->getMockBuilder(Download::class)
            ->disableOriginalConstructor()
            ->setMethods(['download'])
            ->getMock();
    }

    public function testDownloadAssetsProcessWhenObjectNofFoundShouldKeepRenamedNULL()
    {
        global $renamed;

        $dummyObject = new \stdClass;
        $dummyObject->fileRepositoryObjectId = null;
        $dummyAsset = new \stdClass;
        $dummyAsset->assets = $dummyObject;

        $this->mockGetAsset
            ->expects($this->any())
            ->method('getAssets')
            ->willReturn($dummyAsset);

        $instance = new DownloadAssetsProcess(
            new MockFolders(),
            $this->mockGetAsset,
            $this->mockDownloadAsset
        );

        $context = new ArrayChainContext([
            'sanitizedAssets' => [
                [
                    'work-asset-data' => [
                        'asset-type' => 'foo',
                        'striped-name' => 'bar'
                    ],
                    'product-version-assets' => [
                        'asset_id' => 'foo'
                    ]
                ]
            ]
        ]);

        $instance->execute($context);

        $this->assertEquals(null, $renamed);
    }

    public function testDownloadAssetsProcessWhenObjectFoundShouldRenamedConcatPaths()
    {
        global $renamed;

        $dummyObject = new \stdClass;
        $dummyObject->fileRepositoryObjectId = 'foo-bar';
        $dummyAsset = new \stdClass;
        $dummyAsset->assets = $dummyObject;

        $this->mockGetAsset
            ->expects($this->any())
            ->method('getAssets')
            ->willReturn($dummyAsset);

        $this->mockDownloadAsset
            ->expects($this->any())
            ->method('download')
            ->willReturn('foo');

        $instance = new DownloadAssetsProcess(
            new MockFolders(),
            $this->mockGetAsset,
            $this->mockDownloadAsset
        );

        $context = new ArrayChainContext([
            'sanitizedAssets' => [
                [
                    'work-asset-data' => [
                        'asset-type' => 'foo',
                        'striped-name' => 'bar'
                    ],
                    'product-version-assets' => [
                        'asset_id' => 'foo'
                    ]
                ]
            ]
        ]);

        $instance->execute($context);

        $this->assertEquals('fooroot-folder//print/foo/bar', $renamed);
    }
}

//--------------------------
➜  whirlpool-middleware git:(BP-699) ✗ ./vendor/bin/phpunit tests/unit/Services/Consumers/Process/DownloadAssetsProcessTest.php
PHPUnit 6.1.1 by Sebastian Bergmann and contributors.

Runtime:       PHP 7.0.10 with Xdebug 2.4.1
Configuration: /Users/william.espindola/Desktop/whirlpool-middleware/phpunit.xml.dist

..                                                                  2 / 2 (100%)

Time: 595 ms, Memory: 6.00MB

OK (2 tests, 2 assertions)