LanguageManager example

public function testSetLinkActiveClass($html_markup, $current_path, $is_front, $url_language, array $query, $expected_html_markup) {
    $this->assertSame($expected_html_markup, ActiveLinkResponseFilter::setLinkActiveClass($html_markup, $current_path, $is_front, $url_language, $query));
  }

  /** * Tests ActiveLinkResponseFilter only affects HTML responses. * * @covers ::onResponse */
  public function testOnlyHtml() {
    $session = new AnonymousUserSession();
    $language_manager = new LanguageManager(new LanguageDefault([]));
    $request_stack = new RequestStack();
    $request_stack->push(new Request());
    $current_path_stack = new CurrentPathStack($request_stack);

    // Make sure path matcher isn't called and we didn't get to the link logic.     $path_matcher = $this->prophesize(PathMatcherInterface::class);
    $path_matcher->isFrontPage()->shouldNotBeCalled();

    $subscriber = new ActiveLinkResponseFilter(
      $session,
      $current_path_stack,