CacheTagTest.php in Zircon Profile 8

Contains \Drupal\views\Tests\Plugin\CacheTagTest.

Namespace

Drupal\views\Tests\Plugin

File

core/modules/views/src/Tests/Plugin/CacheTagTest.php

<?php

/**
 * @file
 * Contains \Drupal\views\Tests\Plugin\CacheTagTest.
 */
namespace Drupal\views\Tests\Plugin;

use Drupal\Core\Cache\Cache;
use Drupal\views\ViewExecutable;
use Drupal\views\Views;

/**
 * Tests tag cache plugin.
 *
 * @group views
 * @see \Drupal\views\Plugin\views\cache\Tag
 */
class CacheTagTest extends PluginTestBase {

  /**
   * Views used by this test.
   *
   * @var array
   */
  public static $testViews = array(
    'test_tag_cache',
  );

  /**
   * Views used by this test.
   *
   * @var array
   */
  public static $modules = array(
    'node',
  );

  /**
   * The node storage.
   *
   * @var \Drupal\node\NodeStorage
   */
  protected $nodeStorage;

  /**
   * The node view builder.
   *
   * @var \Drupal\node\NodeViewBuilder
   */
  protected $nodeViewBuilder;

  /**
   * The user view builder.
   *
   * @var \Drupal\Core\Entity\EntityViewBuilder
   */
  protected $userViewBuilder;

  /**
   * An array of page nodes.
   *
   * @var \Drupal\node\NodeInterface[]
   */
  protected $pages;

  /**
   * An article node.
   *
   * @var \Drupal\node\NodeInterface
   */
  protected $article;

  /**
   * A test user.
   *
   * @var \Drupal\user\UserInterface
   */
  protected $user;
  protected function setUp() {
    parent::setUp();
    $this
      ->drupalCreateContentType(array(
      'type' => 'page',
      'name' => 'Basic page',
    ));
    $this
      ->drupalCreateContentType(array(
      'type' => 'article',
      'name' => 'Article',
    ));
    $this->nodeStorage = $this->container
      ->get('entity.manager')
      ->getStorage('node');
    $this->nodeViewBuilder = $this->container
      ->get('entity.manager')
      ->getViewBuilder('node');
    $this->userViewBuilder = $this->container
      ->get('entity.manager')
      ->getViewBuilder('user');
    for ($i = 1; $i <= 5; $i++) {
      $this->pages[] = $this
        ->drupalCreateNode(array(
        'title' => "Test {$i}",
        'type' => 'page',
      ));
    }
    $this->article = $this
      ->drupalCreateNode(array(
      'title' => "Test article",
      'type' => 'article',
    ));
    $this->user = $this
      ->drupalCreateUser();

    // Mark the current request safe, in order to make render cache working, see
    // \Drupal\Core\Render\RenderCache::get.
    \Drupal::request()
      ->setMethod('GET');
  }

  /**
   * Gets the render cache for a given view.
   *
   * @param \Drupal\views\ViewExecutable $view
   *   The view.
   *
   * @return array|FALSE
   *   The render cache result or FALSE if not existent.
   */
  protected function getRenderCache(ViewExecutable $view) {

    /** @var \Drupal\Core\Render\RenderCacheInterface $render_cache */
    $render_cache = \Drupal::service('render_cache');
    $view->element = [
      '#cache' => [],
    ];
    $build = $view
      ->buildRenderable();
    $build['#cache']['contexts'] = Cache::mergeContexts($build['#cache']['contexts'], $this->container
      ->getParameter('renderer.config')['required_cache_contexts']);
    return $render_cache
      ->get($build);
  }

  /**
   * Tests the tag cache plugin.
   */
  public function testTagCaching() {

    /** @var \Drupal\Core\Render\RendererInterface $renderer */
    $renderer = \Drupal::service('renderer');
    $view = Views::getView('test_tag_cache');
    $build = $view
      ->buildRenderable();
    $renderer
      ->renderPlain($build);

    // Saving the view should invalidate the tags.
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found.');
    $view->storage
      ->save();
    $this
      ->assertFalse($cache_plugin
      ->cacheGet('results'), 'Results cache empty after the view is saved.');
    $this
      ->assertFalse($this
      ->getRenderCache($view), 'Output cache empty after the view is saved.');
    $view
      ->destroy();
    $build = $view
      ->buildRenderable();
    $renderer
      ->renderPlain($build);

    // Test invalidating the nodes in this view invalidates the cache.
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found.');
    $this->nodeViewBuilder
      ->resetCache($this->pages);
    $this
      ->assertFalse($cache_plugin
      ->cacheGet('results'), 'Results cache empty after resetCache is called with pages.');
    $this
      ->assertFalse($this
      ->getRenderCache($view), 'Output cache empty after resetCache is called with pages.');
    $view
      ->destroy();
    $build = $view
      ->buildRenderable();
    $renderer
      ->renderPlain($build);

    // Test saving a node in this view invalidates the cache.
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found.');
    $node = reset($this->pages);
    $node
      ->save();
    $this
      ->assertFalse($cache_plugin
      ->cacheGet('results'), 'Results cache empty after a page node is saved.');
    $this
      ->assertFalse($this
      ->getRenderCache($view), 'Output cache empty after a page node is saved.');
    $view
      ->destroy();
    $build = $view
      ->buildRenderable();
    $renderer
      ->renderPlain($build);

    // Test saving a node not in this view invalidates the cache too.
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found.');
    $this->article
      ->save();
    $this
      ->assertFalse($cache_plugin
      ->cacheGet('results'), 'Results cache empty after an article node is saved.');
    $this
      ->assertFalse($this
      ->getRenderCache($view), 'Output cache empty after an article node is saved.');
    $view
      ->destroy();
    $build = $view
      ->buildRenderable();
    $renderer
      ->renderPlain($build);

    // Test that invalidating a tag for a user, does not invalidate the cache,
    // as the user entity type will not be contained in the views cache tags.
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found.');
    $this->userViewBuilder
      ->resetCache(array(
      $this->user,
    ));
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found after a user is invalidated.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found after a user is invalidated.');
    $view
      ->destroy();

    // Invalidate the views cache tags in order to invalidate the render
    // caching.
    \Drupal::service('cache_tags.invalidator')
      ->invalidateTags($view->storage
      ->getCacheTagsToInvalidate());
    $build = $view
      ->buildRenderable();
    $renderer
      ->renderPlain($build);

    // Test the cacheFlush method invalidates the cache.
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertTrue($cache_plugin
      ->cacheGet('results'), 'Results cache found.');
    $this
      ->assertTrue($this
      ->getRenderCache($view), 'Output cache found.');
    $cache_plugin
      ->cacheFlush();
    $cache_plugin = $view->display_handler
      ->getPlugin('cache');
    $this
      ->assertFalse($cache_plugin
      ->cacheGet('results'), 'Results cache empty after the cacheFlush() method is called.');
    $this
      ->assertFalse($this
      ->getRenderCache($view), 'Output cache empty after the cacheFlush() method is called.');
  }

}

Classes

Name	Description
CacheTagTest	Tests tag cache plugin.