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();
}