PartKeepr\UploadedFileBundle\Tests\FileControllerTest::testMimeType PHP Method

    public function testMimeType()
    {
        $client = static::makeClient(true);
        $file = __DIR__ . '/Fixtures/files/uploadtest.png';
        $originalFilename = 'uploadtest.png';
        $mimeType = 'image/png';
        $image = new UploadedFile($file, $originalFilename, $mimeType, filesize($file));
        $client->request('POST', '/api/temp_uploaded_files/upload', [], ['userfile' => $image]);
        $response = json_decode($client->getResponse()->getContent());
        $this->assertObjectHasAttribute('image', $response);
        $property = '@id';
        $uri = $response->image->{$property};
        $uri .= '/getMimeTypeIcon';
        $client->request('GET', $uri);
        $this->assertEquals('image/svg+xml', $client->getResponse()->headers->get('Content-Type'));
    }