使用symfony2测试下载文件 [英] Testing a download file with symfony2

问题描述

能否请您帮助我如何在symfony2中测试下载文件? 有我的源代码:

Can you please help me on how to test a download file in symfony2? There are my source code :

Controller.php

Controller.php

public function downloadAction($picture_id) 
{

    $fichier= $this->uploadDir.$picture_id; 
    if (($fichier != "") && (file_exists($fichier))) {
        $content = file_get_contents($fichier);

        $response = new Response();
        $response->headers->set('Content-Type', 'application/octet-stream');
        $response->headers->set('Content-Disposition', 'attachment;filename="'.$picture_id);

        $response->setContent($content);

        return $response;
    }
    else return new Response(json_encode(array("response_code" => "ko")));  


}

ControllerTest.php

ControllerTest.php

public function testdownload()
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_VERBOSE, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/4.0 (compatible;)");
    curl_setopt($ch, CURLOPT_URL, "path/img.jpg");
    $response = curl_exec($ch);
}

问题在于我如何测试下载是否成功，或者可以使用哪个断言进行功能测试?

The issue is that how can I test that the download has been successful,or which assertion could I use to do my functionnal test?

推荐答案

5年前提出，但是也许有人会发现这个有用(功能测试):

Asked 5 years ago, but maybe someone will find this useful (functional test):

$client = static::createClient();
$client->request('GET', '/path/img.jpg');

$this->assertEquals(true, $client->getResponse()->isOk());
$binaryData = $client->getInternalResponse()->getContent()

问题在于，当有二进制数据时，$client->getResponse()->getContent()返回空字符串.

The problem is that $client->getResponse()->getContent() returns empty string when there's binary data.

经过Symfony 4.2测试.

Tested with Symfony 4.2.

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