FormElementMaxlengthTest.php in Drupal 9
File
core/modules/system/tests/src/Kernel/Form/FormElementMaxlengthTest.php
View source
<?php
namespace Drupal\Tests\system\Kernel\Form;
use Drupal\Core\Form\FormInterface;
use Drupal\Core\Form\FormState;
use Drupal\Core\Form\FormStateInterface;
use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\CssSelector\CssSelectorConverter;
class FormElementMaxlengthTest extends KernelTestBase implements FormInterface {
protected static $modules = [
'system',
];
public function getFormId() {
return 'form_test_maxlength';
}
public function buildForm(array $form, FormStateInterface $form_state) {
$form['title'] = [
'#type' => 'textfield',
'#maxlength' => 255,
];
$form['description'] = [
'#type' => 'textarea',
'#maxlength' => 255,
];
$form['submit'] = [
'#type' => 'submit',
'#value' => 'Submit',
];
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
}
public function validateForm(array &$form, FormStateInterface $form_state) {
}
public function testAttributes() {
$form_builder = $this->container
->get('form_builder');
$form_state = new FormState();
$elements = $form_builder
->buildForm($this, $form_state);
$this
->render($elements);
$css_selector_converter = new CssSelectorConverter();
$elements = $this
->xpath($css_selector_converter
->toXPath('input[name=title][maxlength=255]'));
$this
->assertCount(1, $elements, 'Text field has correct maxlength in form.');
$elements = $this
->xpath($css_selector_converter
->toXPath('textarea[name=description][maxlength=255]'));
$this
->assertCount(1, $elements, 'Textarea field has correct maxlength in form.');
}
}