Chris@16: <?php
Chris@16: 
Chris@16: namespace Drupal\KernelTests;
Chris@16: 
Chris@16: use Drupal\Core\Form\FormState;
Chris@16: 
Chris@16: /**
Chris@16:  * Full generic test suite for any form that data with the configuration system.
Chris@16:  *
Chris@16:  * @see UserAdminSettingsFormTest
Chris@16:  *   For a full working implementation.
Chris@16:  */
Chris@16: abstract class ConfigFormTestBase extends KernelTestBase {
Chris@16:   /**
Chris@16:    * Form ID to use for testing.
Chris@16:    *
Chris@17:    * @var \Drupal\Core\Form\FormInterface
Chris@16:    */
Chris@16:   protected $form;
Chris@16: 
Chris@16:   /**
Chris@16:    * Values to use for testing.
Chris@16:    *
Chris@16:    * Contains details for form key, configuration object name, and config key.
Chris@16:    * Example:
Chris@16:    * @code
Chris@16:    *   array(
Chris@16:    *     'user_mail_cancel_confirm_body' => array(
Chris@16:    *       '#value' => $this->randomString(),
Chris@16:    *       '#config_name' => 'user.mail',
Chris@16:    *       '#config_key' => 'cancel_confirm.body',
Chris@16:    *     ),
Chris@16:    *   );
Chris@16:    * @endcode
Chris@16:    *
Chris@16:    * @var array
Chris@16:    */
Chris@16:   protected $values;
Chris@16: 
Chris@16:   /**
Chris@16:    * Submit the system_config_form ensure the configuration has expected values.
Chris@16:    */
Chris@16:   public function testConfigForm() {
Chris@16:     // Programmatically submit the given values.
Chris@16:     $values = [];
Chris@16:     foreach ($this->values as $form_key => $data) {
Chris@16:       $values[$form_key] = $data['#value'];
Chris@16:     }
Chris@16:     $form_state = (new FormState())->setValues($values);
Chris@16:     \Drupal::formBuilder()->submitForm($this->form, $form_state);
Chris@16: 
Chris@16:     // Check that the form returns an error when expected, and vice versa.
Chris@16:     $errors = $form_state->getErrors();
Chris@16:     $valid_form = empty($errors);
Chris@16:     $args = [
Chris@16:       '%values' => print_r($values, TRUE),
Chris@16:       '%errors' => $valid_form ? t('None') : implode(' ', $errors),
Chris@16:     ];
Chris@16:     $this->assertTrue($valid_form, format_string('Input values: %values<br/>Validation handler errors: %errors', $args));
Chris@16: 
Chris@16:     foreach ($this->values as $data) {
Chris@16:       $this->assertEqual($data['#value'], $this->config($data['#config_name'])->get($data['#config_key']));
Chris@16:     }
Chris@16:   }
Chris@16: 
Chris@16: }