Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\comment\Functional;
Chris@0: 
Chris@0: use Drupal\comment\Tests\CommentTestTrait;
Chris@0: use Drupal\field\Entity\FieldStorageConfig;
Chris@0: use Drupal\Core\Extension\ModuleUninstallValidatorException;
Chris@0: use Drupal\Tests\BrowserTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests comment module uninstallation.
Chris@0:  *
Chris@0:  * @group comment
Chris@0:  */
Chris@0: class CommentUninstallTest extends BrowserTestBase {
Chris@0: 
Chris@0:   use CommentTestTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to install.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['comment', 'node'];
Chris@0: 
Chris@0:   protected function setUp() {
Chris@0:     parent::setup();
Chris@0: 
Chris@0:     // Create an article content type.
Chris@0:     $this->drupalCreateContentType(['type' => 'article', 'name' => t('Article')]);
Chris@0:     // Create comment field on article so that adds 'comment_body' field.
Chris@0:     $this->addDefaultCommentField('node', 'article');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests if comment module uninstallation fails if the field exists.
Chris@0:    *
Chris@0:    * @throws \Drupal\Core\Extension\ModuleUninstallValidatorException
Chris@0:    */
Chris@0:   public function testCommentUninstallWithField() {
Chris@0:     // Ensure that the field exists before uninstallation.
Chris@0:     $field_storage = FieldStorageConfig::loadByName('comment', 'comment_body');
Chris@0:     $this->assertNotNull($field_storage, 'The comment_body field exists.');
Chris@0: 
Chris@0:     // Uninstall the comment module which should trigger an exception.
Chris@0:     try {
Chris@0:       $this->container->get('module_installer')->uninstall(['comment']);
Chris@0:       $this->fail("Expected an exception when uninstall was attempted.");
Chris@0:     }
Chris@0:     catch (ModuleUninstallValidatorException $e) {
Chris@0:       $this->pass("Caught an exception when uninstall was attempted.");
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests if uninstallation succeeds if the field has been deleted beforehand.
Chris@0:    */
Chris@0:   public function testCommentUninstallWithoutField() {
Chris@0:     // Manually delete the comment_body field before module uninstallation.
Chris@0:     $field_storage = FieldStorageConfig::loadByName('comment', 'comment_body');
Chris@0:     $this->assertNotNull($field_storage, 'The comment_body field exists.');
Chris@0:     $field_storage->delete();
Chris@0: 
Chris@0:     // Check that the field is now deleted.
Chris@0:     $field_storage = FieldStorageConfig::loadByName('comment', 'comment_body');
Chris@0:     $this->assertNull($field_storage, 'The comment_body field has been deleted.');
Chris@0: 
Chris@0:     // Manually delete the comment field on the node before module uninstallation.
Chris@0:     $field_storage = FieldStorageConfig::loadByName('node', 'comment');
Chris@0:     $this->assertNotNull($field_storage, 'The comment field exists.');
Chris@0:     $field_storage->delete();
Chris@0: 
Chris@0:     // Check that the field is now deleted.
Chris@0:     $field_storage = FieldStorageConfig::loadByName('node', 'comment');
Chris@0:     $this->assertNull($field_storage, 'The comment field has been deleted.');
Chris@0: 
Chris@0:     field_purge_batch(10);
Chris@0:     // Ensure that uninstallation succeeds even if the field has already been
Chris@0:     // deleted manually beforehand.
Chris@0:     $this->container->get('module_installer')->uninstall(['comment']);
Chris@0:   }
Chris@0: 
Chris@0: }