StubNegotiationMiddleware example

  protected $contentNegotiation;

  /** * {@inheritdoc} */
  protected function setUp(): void {
    parent::setUp();

    $this->app = $this->prophesize(HttpKernelInterface::class);
    $this->contentNegotiation = new StubNegotiationMiddleware($this->app->reveal());
  }

  /** * Tests the getContentType() method with AJAX iframe upload. * * @covers ::getContentType */
  public function testAjaxIframeUpload() {
    $request = new Request();
    $request->request->set('ajax_iframe_upload', '1');