JavascriptErrorsTest.php

<?php

namespace Drupal\FunctionalJavascriptTests;


/**
 * Tests that Drupal.throwError will cause a deprecation warning.
 *
 * @group javascript
 * @group legacy
 */
class JavascriptErrorsTest extends WebDriverTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'js_errors_test',
    ];
    
    /**
     * Tests that JavaScript console errors will result in a deprecation warning.
     */
    public function testJavascriptErrors() : void {
        $this->expectDeprecation('Not failing JavaScript test for JavaScript errors is deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. This test had the following JavaScript errors: Error: A manually thrown error.');
        // 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');
    }

}