JavascriptErrorsTest.php in Drupal 10

Namespace

Drupal\FunctionalJavascriptTests

File

core/tests/Drupal/FunctionalJavascriptTests/JavascriptErrorsTest.php

<?php

namespace Drupal\FunctionalJavascriptTests;

use PHPUnit\Framework\AssertionFailedError;

/**
 * Tests that Drupal.throwError will cause a test failure.
 *
 * @group javascript
 */
class JavascriptErrorsTest extends WebDriverTestBase {

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

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

  /**
   * Tests that JavaScript console errors will result in a test failure.
   */
  public function testJavascriptErrors() : void {

    // Visit page that will throw a JavaScript console error.
    $this
      ->drupalGet('js_errors_test');

    // Ensure that errors from previous page loads will be
    // detected.
    $this
      ->drupalGet('user');
    $this
      ->expectException(AssertionFailedError::class);
    $this
      ->expectExceptionMessageMatches('/^Error: A manually thrown error/');

    // Manually call the method under test, as it cannot be caught by PHPUnit
    // when triggered from assertPostConditions().
    $this
      ->failOnJavaScriptErrors();
  }

  /**
   * Clear the JavaScript error log to prevent this test failing for real.
   *
   * @postCondition
   */
  public function clearErrorLog() {
    $this
      ->getSession()
      ->executeScript("sessionStorage.removeItem('js_testing_log_test.errors')");
  }

}

Classes

Name	Description
JavascriptErrorsTest	Tests that Drupal.throwError will cause a test failure.