function JavascriptErrorsTest::testJavascriptErrors

Tests that JavaScript console errors will result in a test failure.

File

core/tests/Drupal/FunctionalJavascriptTests/JavascriptErrorsTest.php, line 29

Class

JavascriptErrorsTest

Tests that Drupal.throwError will cause a test failure.

Namespace

Code

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();
}