Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\book\Kernel;
Chris@0: 
Chris@0: use Drupal\node\Entity\Node;
Chris@0: use Drupal\node\Entity\NodeType;
Chris@0: use Drupal\KernelTests\KernelTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests that the Book module cannot be uninstalled if books exist.
Chris@0:  *
Chris@0:  * @group book
Chris@0:  */
Chris@0: class BookUninstallTest extends KernelTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Modules to enable.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   public static $modules = ['system', 'user', 'field', 'filter', 'text', 'node', 'book'];
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0:     $this->installEntitySchema('user');
Chris@0:     $this->installEntitySchema('node');
Chris@0:     $this->installSchema('book', ['book']);
Chris@0:     $this->installSchema('node', ['node_access']);
Chris@0:     $this->installConfig(['node', 'book', 'field']);
Chris@0:     // For uninstall to work.
Chris@0:     $this->installSchema('user', ['users_data']);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Tests the book_system_info_alter() method.
Chris@0:    */
Chris@0:   public function testBookUninstall() {
Chris@0:     // No nodes exist.
Chris@0:     $validation_reasons = \Drupal::service('module_installer')->validateUninstall(['book']);
Chris@0:     $this->assertEqual([], $validation_reasons, 'The book module is not required.');
Chris@0: 
Chris@0:     $content_type = NodeType::create([
Chris@0:       'type' => $this->randomMachineName(),
Chris@0:       'name' => $this->randomString(),
Chris@0:     ]);
Chris@0:     $content_type->save();
Chris@0:     $book_config = $this->config('book.settings');
Chris@0:     $allowed_types = $book_config->get('allowed_types');
Chris@0:     $allowed_types[] = $content_type->id();
Chris@0:     $book_config->set('allowed_types', $allowed_types)->save();
Chris@0: 
Chris@0:     $node = Node::create(['title' => $this->randomString(), 'type' => $content_type->id()]);
Chris@0:     $node->book['bid'] = 'new';
Chris@0:     $node->save();
Chris@0: 
Chris@0:     // One node in a book but not of type book.
Chris@0:     $validation_reasons = \Drupal::service('module_installer')->validateUninstall(['book']);
Chris@0:     $this->assertEqual(['To uninstall Book, delete all content that is part of a book'], $validation_reasons['book']);
Chris@0: 
Chris@0:     $book_node = Node::create(['title' => $this->randomString(), 'type' => 'book']);
Chris@0:     $book_node->book['bid'] = FALSE;
Chris@0:     $book_node->save();
Chris@0: 
Chris@0:     // Two nodes, one in a book but not of type book and one book node (which is
Chris@0:     // not in a book).
Chris@0:     $validation_reasons = \Drupal::service('module_installer')->validateUninstall(['book']);
Chris@0:     $this->assertEqual(['To uninstall Book, delete all content that is part of a book'], $validation_reasons['book']);
Chris@0: 
Chris@0:     $node->delete();
Chris@0:     // One node of type book but not actually part of a book.
Chris@0:     $validation_reasons = \Drupal::service('module_installer')->validateUninstall(['book']);
Chris@0:     $this->assertEqual(['To uninstall Book, delete all content that has the Book content type'], $validation_reasons['book']);
Chris@0: 
Chris@0:     $book_node->delete();
Chris@0:     // No nodes exist therefore the book module is not required.
Chris@17:     $module_data = \Drupal::service('extension.list.module')->reset()->getList();
Chris@0:     $this->assertFalse(isset($module_data['book']->info['required']), 'The book module is not required.');
Chris@0: 
Chris@0:     $node = Node::create(['title' => $this->randomString(), 'type' => $content_type->id()]);
Chris@0:     $node->save();
Chris@0:     // One node exists but is not part of a book therefore the book module is
Chris@0:     // not required.
Chris@0:     $validation_reasons = \Drupal::service('module_installer')->validateUninstall(['book']);
Chris@0:     $this->assertEqual([], $validation_reasons, 'The book module is not required.');
Chris@0: 
Chris@0:     // Uninstall the Book module and check the node type is deleted.
Chris@0:     \Drupal::service('module_installer')->uninstall(['book']);
Chris@0:     $this->assertNull(NodeType::load('book'), "The book node type does not exist.");
Chris@0:   }
Chris@0: 
Chris@0: }