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<?php
declare(strict_types=1);
namespace Drupal\KernelTests;
use Drupal\Core\Form\FormState;
use Drupal\Core\StringTranslation\StringTranslationTrait;
/**
* Full generic test suite for any form that data with the configuration system.
*
* @see UserAdminSettingsFormTest
* For a full working implementation.
*/
abstract class ConfigFormTestBase extends KernelTestBase {
use StringTranslationTrait;
/**
* Form ID to use for testing.
*
* @var \Drupal\Core\Form\FormInterface
*/
protected $form;
/**
* Values to use for testing.
*
* @var array
* Contains details for form key, configuration object name, and config key.
* Example:
* @code
* [
* 'user_mail_cancel_confirm_body' => [
* '#value' => $this->randomString(),
* '#config_name' => 'user.mail',
* '#config_key' => 'cancel_confirm.body',
* ],
* ];
* @endcode
*/
protected $values;
/**
* Submit the system_config_form ensure the configuration has expected values.
*/
public function testConfigForm(): void {
// Programmatically submit the given values.
$values = [];
foreach ($this->values as $form_key => $data) {
$values[$form_key] = $data['#value'];
}
$form_state = (new FormState())->setValues($values);
\Drupal::formBuilder()->submitForm($this->form, $form_state);
// Check that the form returns an error when expected, and vice versa.
$errors = $form_state->getErrors();
$valid_form = empty($errors);
$values = print_r($values, TRUE);
$errors = $valid_form ? $this->t('None') : implode(' ', $errors);
$this->assertTrue($valid_form, sprintf('Input values: %s<br/>Validation handler errors: %s', $values, $errors));
foreach ($this->values as $data) {
$this->assertEquals($this->config($data['#config_name'])->get($data['#config_key']), $data['#value']);
}
}
}
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