public function ExposedFilterAJAXTest::testExposedFilteringWithButtonElement in Drupal 9

Tests exposed filtering via AJAX with a button element.

File

core/modules/views/tests/src/FunctionalJavascript/ExposedFilterAJAXTest.php, line 157

Class

ExposedFilterAJAXTest

Tests the basic AJAX functionality of Views exposed forms.

Namespace

Drupal\Tests\views\FunctionalJavascript

Code

public function testExposedFilteringWithButtonElement() {

  // Install theme to test with template system.
  \Drupal::service('theme_installer')
    ->install([
    'views_test_theme',
  ]);

  // Make base theme default then test for hook invocations.
  $this
    ->config('system.theme')
    ->set('default', 'views_test_theme')
    ->save();
  $this
    ->drupalGet('admin/content');
  $session = $this
    ->getSession();

  // Ensure that the Content we're testing for is present.
  $html = $session
    ->getPage()
    ->getHtml();
  $this
    ->assertStringContainsString('Page One', $html);
  $this
    ->assertStringContainsString('Page Two', $html);
  $button_tag = $session
    ->getPage()
    ->findButton('edit-submit-content')
    ->getTagName();

  // Make sure the submit button has been transformed to a button element.
  $this
    ->assertEquals('button', $button_tag);
  $drupal_settings = $this
    ->getDrupalSettings();
  $ajax_views_before = $drupal_settings['views']['ajaxViews'];

  // Search for "Page One".
  $this
    ->submitForm([
    'title' => 'Page One',
  ], t('Filter'));
  $this
    ->assertSession()
    ->assertWaitOnAjaxRequest();

  // Verify that only the "Page One" Node is present.
  $html = $session
    ->getPage()
    ->getHtml();
  $this
    ->assertStringContainsString('Page One', $html);
  $this
    ->assertStringNotContainsString('Page Two', $html);
  $drupal_settings = $this
    ->getDrupalSettings();
  $ajax_views_after = $drupal_settings['views']['ajaxViews'];

  // Make sure that the views_dom_id didn't change, which would indicate that
  // the page reloaded instead of doing an AJAX update.
  $this
    ->assertSame($ajax_views_before, $ajax_views_after);
}