function FormGroupingElementsTest::testVerticalTabChildVisibility

Tests that vertical tab children become visible.

Makes sure that a child element of a vertical tab that is not visible, becomes visible when the tab is clicked, a fragment link to the child is clicked or when the URI fragment pointing to that child changes.

File

core/tests/Drupal/FunctionalJavascriptTests/Core/Form/FormGroupingElementsTest.php, line 45

Class

FormGroupingElementsTest

Tests for form grouping elements.

Namespace

Code

public function testVerticalTabChildVisibility() : void {
  $session = $this->getSession();
  $web_assert = $this->assertSession();
  // Request the group vertical tabs testing page with a fragment identifier
  // to the second element.
  $this->drupalGet('form-test/group-vertical-tabs', [
    'fragment' => 'edit-element-2',
  ]);
  $page = $session->getPage();
  $tab_link_1 = $page->find('css', '.vertical-tabs__menu-item > a');
  $child_1_selector = '#edit-element';
  $child_1 = $page->find('css', $child_1_selector);
  $child_2_selector = '#edit-element-2';
  $child_2 = $page->find('css', $child_2_selector);
  // Assert that the child in the second vertical tab becomes visible.
  // It should be visible after initial load due to the fragment in the URI.
  $this->assertTrue($child_2->isVisible(), 'Child 2 is visible due to a URI fragment');
  // Click on a fragment link pointing to an invisible child inside an
  // inactive vertical tab.
  $session->executeScript("jQuery('<a href=\"{$child_1_selector}\"></a>').insertAfter('h1')[0].click()");
  // Assert that the child in the first vertical tab becomes visible.
  $web_assert->waitForElementVisible('css', $child_1_selector, 50);
  // Trigger a URI fragment change (hashchange) to show the second vertical
  // tab again.
  $session->executeScript("location.replace('{$child_2_selector}')");
  // Assert that the child in the second vertical tab becomes visible again.
  $web_assert->waitForElementVisible('css', $child_2_selector, 50);
  $tab_link_1->click();
  // Assert that the child in the first vertical tab is visible again after
  // a click on the first tab.
  $this->assertTrue($child_1->isVisible(), 'Child 1 is visible after clicking the parent tab');
}