JavascriptGetDrupalSettingsTest.php in Drupal 9

Namespace

Drupal\FunctionalJavascriptTests

File

core/tests/Drupal/FunctionalJavascriptTests/JavascriptGetDrupalSettingsTest.php

<?php

namespace Drupal\FunctionalJavascriptTests;


/**
 * Tests Drupal settings retrieval in WebDriverTestBase tests.
 *
 * @group javascript
 */
class JavascriptGetDrupalSettingsTest extends WebDriverTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'test_page_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Tests retrieval of Drupal settings.
   *
   * @see \Drupal\FunctionalJavascriptTests\WebDriverTestBase::getDrupalSettings()
   */
  public function testGetDrupalSettings() {
    $this
      ->drupalLogin($this
      ->drupalCreateUser());
    $this
      ->drupalGet('test-page');

    // Check that we can read the JS settings.
    $js_settings = $this
      ->getDrupalSettings();
    $this
      ->assertSame('azAZ09();.,\\\\/-_{}', $js_settings['test-setting']);

    // Dynamically change the setting using JavaScript.
    $script = <<<EndOfScript
(function () {
  drupalSettings['test-setting'] = 'foo';
})();
EndOfScript;
    $this
      ->getSession()
      ->evaluateScript($script);

    // Check that the setting has been changed.
    $js_settings = $this
      ->getDrupalSettings();
    $this
      ->assertSame('foo', $js_settings['test-setting']);
  }

}

Classes

Name	Description
JavascriptGetDrupalSettingsTest	Tests Drupal settings retrieval in WebDriverTestBase tests.