function BookTest::testBookNavigationCacheContext

Tests the book navigation cache context.

See also

\Drupal\book\Cache\BookNavigationCacheContext

File

core/modules/book/tests/src/Functional/BookTest.php, line 108

Class

BookTest

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

Namespace

Code

public function testBookNavigationCacheContext() : void {
    // Create a page node.
    $this->drupalCreateContentType([
        'type' => 'page',
    ]);
    $page = $this->drupalCreateNode();
    // Create a book, consisting of book nodes.
    $book_nodes = $this->createBook();
    // Enable the debug output.
    \Drupal::state()->set('book_test.debug_book_navigation_cache_context', TRUE);
    Cache::invalidateTags([
        'book_test.debug_book_navigation_cache_context',
    ]);
    $this->drupalLogin($this->bookAuthor);
    // On non-node route.
    $this->drupalGet($this->adminUser
        ->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=book.none');
    // On non-book node route.
    $this->drupalGet($page->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=book.none');
    // On book node route.
    $this->drupalGet($book_nodes[0]->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=0|2|3');
    $this->drupalGet($book_nodes[1]->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=0|2|3|4');
    $this->drupalGet($book_nodes[2]->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=0|2|3|5');
    $this->drupalGet($book_nodes[3]->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=0|2|6');
    $this->drupalGet($book_nodes[4]->toUrl());
    $this->assertSession()
        ->responseContains('[route.book_navigation]=0|2|7');
}