function NavigationMenuBlockTest::testHtmlMarkup

Tests the generated HTML markup.

File

core/modules/navigation/tests/src/Kernel/NavigationMenuBlockTest.php, line 373

Class

NavigationMenuBlockTest

Tests \Drupal\navigation\Plugin\Block\NavigationMenuBlock.

Namespace

Code

public function testHtmlMarkup() : void {
  $block = $this->blockManager
    ->createInstance('navigation_menu:' . $this->menu
    ->id(), [
    'region' => 'content',
    'id' => 'machine_name',
    'label' => 'Menu Name',
    'level' => 1,
    'depth' => NavigationMenuBlock::NAVIGATION_MAX_DEPTH - 1,
  ]);
  $block_build = $block->build();
  $render = \Drupal::service('renderer')->renderRoot($block_build);
  // The error flags need to be added to avoid errors when parsing HTML5 tags,
  // like nav. This trick could be replaced with
  // Dom\HTMLDocument::createFromString(), introduced in PHP 8.4 once PHP 8.3
  // support is dropped.
  $dom = new \DOMDocument();
  // cspell:disable-next-line
  $dom->loadHTML((string) $render, LIBXML_NOWARNING | LIBXML_NOERROR);
  $xpath = new \DOMXPath($dom);
  $items_query = [
    "//li[contains(@class,'toolbar-block__list-item')]/span/span[text()='title 1']",
    "//li[contains(@class,'toolbar-block__list-item')]/button/span[text()='title 2']",
    "//li[contains(@class,'toolbar-menu__item--level-1')]/button/span[text()='title 3']",
    "//li[contains(@class,'toolbar-menu__item--level-2')]/a[text()='title 4']",
    "//li[contains(@class,'toolbar-block__list-item')]/button/span[text()='title 5']",
    "//li[contains(@class,'toolbar-block__list-item')]/a/span[text()='title 6']",
    "//li[contains(@class,'toolbar-block__list-item')]/a[contains(@class, 'external-link')]",
    "//li[contains(@class,'toolbar-block__list-item')]/a[contains(@class, 'external-link')]",
    "//li[contains(@class,'toolbar-block__list-item')]/a[@target='_blank']",
    "//li[contains(@class,'toolbar-menu__item--level-1')]/button/span[text()='title 7']",
    "//li[contains(@class,'toolbar-block__list-item')]/button/span[text()='title 8']",
    "//li[contains(@class,'toolbar-menu__item--level-2')]/span[text()='title 10']",
    "//li[contains(@class,'toolbar-menu__item--level-1')]/button/span[text()='title 11']",
    "//li[contains(@class,'toolbar-menu__item--level-2')]/button[text()='title 12']",
    "//li[contains(@class,'toolbar-block__list-item')]/button/span[text()='title 13']",
    "//li[contains(@class,'toolbar-menu__item--level-1')]/button/span[text()='title 14']",
    "//li[contains(@class,'toolbar-menu__item--level-2')]/a[text()='Overview']",
    "//li[contains(@class,'toolbar-menu__item--level-1')]/button/span[text()='title 17']",
  ];
  foreach ($items_query as $query) {
    $span = $xpath->query($query);
    $this->assertEquals(1, $span->length, $query);
  }
}