drupalGet('ajax_validation_test'); $page = $this->getSession()->getPage(); $assert = $this->assertSession(); // Partially complete the form with a string. $page->fillField('drivertext', 'some dumb text'); // Move focus away from this field to trigger AJAX. $page->findField('spare_required_field')->focus(); // When the AJAX command updates the DOM a

unsorted list // "message__list" structure will appear on the page echoing back the // "some dumb text" message. $placeholder_text = $assert->waitForElement('css', "ul.messages__list li.messages__item em:contains('some dumb text')"); $this->assertNotNull($placeholder_text, 'A callback successfully echoed back a string.'); $this->drupalGet('ajax_validation_test'); // Partialy complete the form with a number. $page->fillField('drivernumber', '12345'); $page->findField('spare_required_field')->focus(); // The AJAX request/resonse will complete successfully when a InsertCommand // injects a message with a placeholder element into the DOM with the // submitted number. $placeholder_number = $assert->waitForElement('css', "ul.messages__list li.messages__item em:contains('12345')"); $this->assertNotNull($placeholder_number, 'A callback successfully echoed back a number.'); } }