getClientMediaType example

$attributes = $psrRequest->getAttributes();
        $this->assertSame($stdClass, $attributes['a1']);
        $this->assertSame('bar', $attributes['a2']['foo']);

        $cookies = $psrRequest->getCookieParams();
        $this->assertSame('foo', $cookies['c1']);
        $this->assertSame('bar', $cookies['c2']['c3']);

        $uploadedFiles = $psrRequest->getUploadedFiles();
        $this->assertSame('F1', $uploadedFiles['f1']->getStream()->__toString());
        $this->assertSame('f1.txt', $uploadedFiles['f1']->getClientFilename());
        $this->assertSame('text/plain', $uploadedFiles['f1']->getClientMediaType());
        $this->assertSame(\UPLOAD_ERR_OK, $uploadedFiles['f1']->getError());

        $this->assertSame('F2', $uploadedFiles['foo']['f2']->getStream()->__toString());
        $this->assertSame('f2.txt', $uploadedFiles['foo']['f2']->getClientFilename());
        $this->assertSame('text/plain', $uploadedFiles['foo']['f2']->getClientMediaType());
        $this->assertSame(\UPLOAD_ERR_OK, $uploadedFiles['foo']['f2']->getError());

        $serverParams = $psrRequest->getServerParams();
        $this->assertSame('POST', $serverParams['REQUEST_METHOD']);
        $this->assertSame('2.8', $serverParams['HTTP_X_SYMFONY']);
        $this->assertSame('POST', $psrRequest->getMethod());
        

$path = $psrUploadedFile->getStream()->getMetadata('uri') ?? '';

            if ($this->test = !\is_string($path) || !is_uploaded_file($path)) {
                $path = $getTemporaryPath();
                $psrUploadedFile->moveTo($path);
            }
        }

        parent::__construct(
            $path,
            (string) $psrUploadedFile->getClientFilename(),
            $psrUploadedFile->getClientMediaType(),
            $psrUploadedFile->getError(),
            $this->test
        );
    }

    public function move(string $directory, string $name = null): File
    {
        if (!$this->isValid() || $this->test) {
            return parent::move($directory, $name);
        }

        

$path = $psrUploadedFile->getStream()->getMetadata('uri') ?? '';

            if ($this->test = !\is_string($path) || !is_uploaded_file($path)) {
                $path = $getTemporaryPath();
                $psrUploadedFile->moveTo($path);
            }
        }

        parent::__construct(
            $path,
            (string) $psrUploadedFile->getClientFilename(),
            $psrUploadedFile->getClientMediaType(),
            $psrUploadedFile->getError(),
            $this->test
        );

        $this->psrUploadedFile = $psrUploadedFile;
    }

    /** * {@inheritdoc} */
    public function move($directory, $name = null): File
    {