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<?php
declare(strict_types=1);
namespace Drupal\FunctionalJavascriptTests\Ajax;
use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
/**
* Various tests of AJAX behavior.
*
* @group Ajax
*/
class ElementValidationTest extends WebDriverTestBase {
/**
* {@inheritdoc}
*/
protected static $modules = ['ajax_test', 'ajax_forms_test'];
/**
* {@inheritdoc}
*/
protected $defaultTheme = 'stark';
/**
* Tries to post an Ajax change to a form that has a validated element.
*
* Drupal AJAX commands update the DOM echoing back the validated values in
* the form of messages that appear on the page.
*/
public function testAjaxElementValidation(): void {
$this->drupalGet('ajax_validation_test');
$page = $this->getSession()->getPage();
$assert = $this->assertSession();
// Partially complete the form with a string.
$page->fillField('driver_text', '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 <ul> unsorted list
// "message__list" structure will appear on the page echoing back the
// "some dumb text" message.
$placeholder_text = $assert->waitForElement('css', "[aria-label='Status message'] > ul > li > em:contains('some dumb text')");
$this->assertNotNull($placeholder_text, 'A callback successfully echoed back a string.');
$this->drupalGet('ajax_validation_test');
// Partially complete the form with a number.
$page->fillField('driver_number', '12345');
$page->findField('spare_required_field')->focus();
// The AJAX request/response will complete successfully when an
// InsertCommand injects a message with a placeholder element into the DOM
// with the submitted number.
$placeholder_number = $assert->waitForElement('css', "[aria-label='Status message'] > ul > li > em:contains('12345')");
$this->assertNotNull($placeholder_number, 'A callback successfully echoed back a number.');
}
}
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