public function BookTest::testGetTableOfContents in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/book/tests/src/Functional/BookTest.php \Drupal\Tests\book\Functional\BookTest::testGetTableOfContents()

Tests BookManager::getTableOfContents().

File

core/modules/book/tests/src/Functional/BookTest.php, line 293

Class

BookTest

Create a book, add pages, and test book interface.

Namespace

Drupal\Tests\book\Functional

Code

public function testGetTableOfContents() {

  // Create new book.
  $nodes = $this
    ->createBook();
  $book = $this->book;
  $this
    ->drupalLogin($this->bookAuthor);

  /*
   * Add Node 5 under Node 2.
   * Add Node 6, 7, 8, 9, 10, 11 under Node 3.
   * Book
   *  |- Node 0
   *   |- Node 1
   *   |- Node 2
   *    |- Node 5
   *  |- Node 3
   *   |- Node 6
   *    |- Node 7
   *     |- Node 8
   *      |- Node 9
   *       |- Node 10
   *        |- Node 11
   *  |- Node 4
   */
  foreach ([
    5 => 2,
    6 => 3,
    7 => 6,
    8 => 7,
    9 => 8,
    10 => 9,
    11 => 10,
  ] as $child => $parent) {
    $nodes[$child] = $this
      ->createBookNode($book
      ->id(), $nodes[$parent]
      ->id());
  }
  $this
    ->drupalGet($nodes[0]
    ->toUrl('edit-form'));

  // Since Node 0 has children 2 levels deep, nodes 10 and 11 should not
  // appear in the selector.
  $this
    ->assertNoOption('edit-book-pid', $nodes[10]
    ->id());
  $this
    ->assertNoOption('edit-book-pid', $nodes[11]
    ->id());

  // Node 9 should be available as an option.
  $this
    ->assertOption('edit-book-pid', $nodes[9]
    ->id());

  // Get a shallow set of options.

  /** @var \Drupal\book\BookManagerInterface $manager */
  $manager = $this->container
    ->get('book.manager');
  $options = $manager
    ->getTableOfContents($book
    ->id(), 3);
  $expected_nids = [
    $book
      ->id(),
    $nodes[0]
      ->id(),
    $nodes[1]
      ->id(),
    $nodes[2]
      ->id(),
    $nodes[3]
      ->id(),
    $nodes[6]
      ->id(),
    $nodes[4]
      ->id(),
  ];
  $this
    ->assertEqual(count($options), count($expected_nids));
  $diff = array_diff($expected_nids, array_keys($options));
  $this
    ->assertTrue(empty($diff), 'Found all expected option keys');

  // Exclude Node 3.
  $options = $manager
    ->getTableOfContents($book
    ->id(), 3, [
    $nodes[3]
      ->id(),
  ]);
  $expected_nids = [
    $book
      ->id(),
    $nodes[0]
      ->id(),
    $nodes[1]
      ->id(),
    $nodes[2]
      ->id(),
    $nodes[4]
      ->id(),
  ];
  $this
    ->assertEqual(count($options), count($expected_nids));
  $diff = array_diff($expected_nids, array_keys($options));
  $this
    ->assertTrue(empty($diff), 'Found all expected option keys after excluding Node 3');
}