public function LinkGenerationTest::testHookLinkAlter in Drupal 9

Same name and namespace in other branches

1. 8 core/tests/Drupal/KernelTests/Core/Url/LinkGenerationTest.php \Drupal\KernelTests\Core\Url\LinkGenerationTest::testHookLinkAlter()

Tests how hook_link_alter() can affect escaping of the link text.

File

core/tests/Drupal/KernelTests/Core/Url/LinkGenerationTest.php, line 22

Class

LinkGenerationTest

Tests link generation with hooks.

Namespace

Drupal\KernelTests\Core\Url

Code

public function testHookLinkAlter() {
  $url = Url::fromUri('http://example.com');
  $renderer = \Drupal::service('renderer');
  $link = $renderer
    ->executeInRenderContext(new RenderContext(), function () use ($url) {
    return \Drupal::service('link_generator')
      ->generate([
      '#markup' => '<em>link with markup</em>',
    ], $url);
  });
  $this
    ->setRawContent($link);
  $this
    ->assertInstanceOf(MarkupInterface::class, $link);

  // Ensure the content of the link is not escaped.
  $this
    ->assertRaw('<em>link with markup</em>');

  // Test just adding text to an already safe string.
  \Drupal::state()
    ->set('link_generation_test_link_alter', TRUE);
  $link = $renderer
    ->executeInRenderContext(new RenderContext(), function () use ($url) {
    return \Drupal::service('link_generator')
      ->generate([
      '#markup' => '<em>link with markup</em>',
    ], $url);
  });
  $this
    ->setRawContent($link);
  $this
    ->assertInstanceOf(MarkupInterface::class, $link);

  // Ensure the content of the link is escaped.
  $this
    ->assertEscaped('<em>link with markup</em> <strong>Test!</strong>');

  // Test passing a safe string to t().
  \Drupal::state()
    ->set('link_generation_test_link_alter_safe', TRUE);
  $link = $renderer
    ->executeInRenderContext(new RenderContext(), function () use ($url) {
    return \Drupal::service('link_generator')
      ->generate([
      '#markup' => '<em>link with markup</em>',
    ], $url);
  });
  $this
    ->setRawContent($link);
  $this
    ->assertInstanceOf(MarkupInterface::class, $link);

  // Ensure the content of the link is escaped.
  $this
    ->assertRaw('<em>link with markup</em> <strong>Test!</strong>');

  // Test passing an unsafe string to t().
  $link = $renderer
    ->executeInRenderContext(new RenderContext(), function () use ($url) {
    return \Drupal::service('link_generator')
      ->generate('<em>link with markup</em>', $url);
  });
  $this
    ->setRawContent($link);
  $this
    ->assertInstanceOf(MarkupInterface::class, $link);

  // Ensure the content of the link is escaped.
  $this
    ->assertEscaped('<em>link with markup</em>');
  $this
    ->assertRaw('<strong>Test!</strong>');
}