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  <?php
namespace Drupal\config\Tests;
use Drupal\Core\Config\Entity\ConfigEntityStorage;
use Drupal\simpletest\WebTestBase;
class ConfigDependencyWebTest extends WebTestBase {
  
  const MAX_ID_LENGTH = ConfigEntityStorage::MAX_ID_LENGTH;
  
  public static $modules = array(
    'config_test',
  );
  
  function testConfigDependencyDeleteFormTrait() {
    $this
      ->drupalLogin($this
      ->drupalCreateUser([
      'administer site configuration',
    ]));
    
    $storage = $this->container
      ->get('entity.manager')
      ->getStorage('config_test');
    
    $entity1 = $storage
      ->create(array(
      'id' => 'entity1',
      'label' => 'Entity One',
    ));
    $entity1
      ->save();
    
    $entity2 = $storage
      ->create(array(
      'id' => 'entity2',
      'dependencies' => array(
        'enforced' => array(
          'config' => array(
            $entity1
              ->getConfigDependencyName(),
          ),
        ),
      ),
    ));
    $entity2
      ->save();
    $this
      ->drupalGet($entity2
      ->urlInfo('delete-form'));
    $this
      ->assertNoText(t('Configuration updates'), 'No configuration updates found.');
    $this
      ->assertNoText(t('Configuration deletions'), 'No configuration deletes found.');
    $this
      ->drupalGet($entity1
      ->urlInfo('delete-form'));
    $this
      ->assertNoText(t('Configuration updates'), 'No configuration updates found.');
    $this
      ->assertText(t('Configuration deletions'), 'Configuration deletions found.');
    $this
      ->assertText($entity2
      ->id(), 'Entity2 id found');
    $this
      ->drupalPostForm($entity1
      ->urlInfo('delete-form'), array(), 'Delete');
    $storage
      ->resetCache();
    $this
      ->assertFalse($storage
      ->loadMultiple([
      $entity1
        ->id(),
      $entity2
        ->id(),
    ]), 'Test entities deleted');
    
    $entity1 = $storage
      ->create(array(
      'id' => 'entity1',
    ));
    $entity1
      ->save();
    \Drupal::state()
      ->set('config_test.fix_dependencies', array(
      $entity1
        ->getConfigDependencyName(),
    ));
    
    $entity2 = $storage
      ->create(array(
      'id' => 'entity2',
      'label' => 'Entity Two',
      'dependencies' => array(
        'enforced' => array(
          'config' => array(
            $entity1
              ->getConfigDependencyName(),
          ),
        ),
      ),
    ));
    $entity2
      ->save();
    
    $entity3 = $storage
      ->create(array(
      'id' => 'entity3',
      'dependencies' => array(
        'enforced' => array(
          'config' => array(
            $entity2
              ->getConfigDependencyName(),
          ),
        ),
      ),
    ));
    $entity3
      ->save();
    $this
      ->drupalGet($entity1
      ->urlInfo('delete-form'));
    $this
      ->assertText(t('Configuration updates'), 'Configuration updates found.');
    $this
      ->assertNoText(t('Configuration deletions'), 'No configuration deletions found.');
    $this
      ->assertNoText($entity2
      ->id(), 'Entity2 id not found');
    $this
      ->assertText($entity2
      ->label(), 'Entity2 label not found');
    $this
      ->assertNoText($entity3
      ->id(), 'Entity3 id not found');
    $this
      ->drupalPostForm($entity1
      ->urlInfo('delete-form'), array(), 'Delete');
    $storage
      ->resetCache();
    $this
      ->assertFalse($storage
      ->load('entity1'), 'Test entity 1 deleted');
    $entity2 = $storage
      ->load('entity2');
    $this
      ->assertTrue($entity2, 'Entity 2 not deleted');
    $this
      ->assertEqual($entity2
      ->calculateDependencies()
      ->getDependencies()['config'], array(), 'Entity 2 dependencies updated to remove dependency on Entity1.');
    $entity3 = $storage
      ->load('entity3');
    $this
      ->assertTrue($entity3, 'Entity 3 not deleted');
    $this
      ->assertEqual($entity3
      ->calculateDependencies()
      ->getDependencies()['config'], [
      $entity2
        ->getConfigDependencyName(),
    ], 'Entity 3 still depends on Entity 2.');
  }
}