GeneratedLink example

  public function providerTestMarkupInterfaceEmpty() {
    return [
      // The first argument to \Drupal\Core\StringTranslation\TranslatableMarkup       // is not supposed to be an empty string.       // phpcs:ignore Drupal.Semantics.FunctionT.EmptyString       'empty TranslatableMarkup' => ['', new TranslatableMarkup('')],
      'non-empty TranslatableMarkup' => ['<span>test</span>', new TranslatableMarkup('test')],
      'empty FormattableMarkup' => ['', new FormattableMarkup('', ['@foo' => 'bar'])],
      'non-empty FormattableMarkup' => ['<span>bar</span>', new FormattableMarkup('@foo', ['@foo' => 'bar'])],
      'non-empty Markup' => ['<span>test</span>', Markup::create('test')],
      'empty GeneratedLink' => ['', new GeneratedLink()],
      'non-empty GeneratedLink' => ['<span><a hef="http://www.example.com">test</a></span>', (new GeneratedLink())->setGeneratedLink('<a hef="http://www.example.com">test</a>')],
      // Test objects that do not implement \Countable.       'empty SafeMarkupTestMarkup' => ['', SafeMarkupTestMarkup::create('')],
      'non-empty SafeMarkupTestMarkup' => ['<span>test</span>', SafeMarkupTestMarkup::create('test')],
    ];
  }

  /** * Tests behavior if a string is translated to become an empty string. */
  public function testEmptyTranslation() {
    

  public function testThemeEscapeAndRenderNotPrintable() {
    $this->expectException(\Exception::class);
    theme_render_and_autoescape(new NonPrintable());
  }

  /** * Ensure cache metadata is bubbled when using theme_render_and_autoescape(). */
  public function testBubblingMetadata() {
    $link = new GeneratedLink();
    $link->setGeneratedLink('<a href="http://example.com"></a>');
    $link->addCacheTags(['foo']);
    $link->addAttachments(['library' => ['system/base']]);

    $context = new RenderContext();
    // Use a closure here since we need to render with a render context.     $theme_render_and_autoescape = function D) use ($link) {
      return theme_render_and_autoescape($link);
    };
    /** @var \Drupal\Core\Render\RendererInterface $renderer */
    $renderer = \Drupal::service('renderer');
    

    $this->moduleHandler->alter('link', $variables);
    $url = $variables['url'];

    // Move attributes out of options since generateFromRoute() doesn't need     // them. Make sure the "href" comes first for testing purposes.     $attributes = ['href' => ''] + $variables['options']['attributes'];
    unset($variables['options']['attributes']);
    $url->setOptions($variables['options']);

    // External URLs can not have cacheable metadata.     if ($url->isExternal()) {
      $generated_link = new GeneratedLink();
      $attributes['href'] = $url->toString(FALSE);
      return $this->doGenerate($generated_link, $attributes, $variables);
    }
    if ($url->isRouted() && $url->getRouteName() === '<nolink>') {
      $generated_link = new GeneratedNoLink();
      unset($attributes['href'], $attributes['hreflang']);
      return $this->doGenerate($generated_link, $attributes, $variables);
    }
    if ($url->isRouted() && $url->getRouteName() === '<button>') {
      $generated_link = new GeneratedButton();
      $attributes['type'] = 'button';
      

  public function testEscapeWithGeneratedLink() {
    $loader = new FilesystemLoader();
    $twig = new Environment($loader, [
      'debug' => TRUE,
      'cache' => FALSE,
      'autoescape' => 'html',
      'optimizations' => 0,
    ]);

    $twig->addExtension($this->systemUnderTest);
    $link = new GeneratedLink();
    $link->setGeneratedLink('<a href="http://example.com"></a>');
    $link->addCacheTags(['foo']);
    $link->addAttachments(['library' => ['system/base']]);

    $this->renderer->expects($this->atLeastOnce())
      ->method('render')
      ->with([
        "#cache" => [
          "contexts" => [],
          "tags" => ["foo"],
          "max-age" => -1,
        ],