BlockContentCacheTagsTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\block_content\Functional;

use Drupal\block_content\Entity\BlockContent;
use Drupal\block_content\Entity\BlockContentType;
use Drupal\Core\Cache\Cache;
use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Tests\system\Functional\Entity\EntityCacheTagsTestBase;

/**
 * Tests the Content Block entity's cache tags.
 *
 * @group block_content
 */
class BlockContentCacheTagsTest extends EntityCacheTagsTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'block_content',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function createEntity() {
        $block_content_type = BlockContentType::create([
            'id' => 'basic',
            'label' => 'basic',
            'revision' => FALSE,
        ]);
        $block_content_type->save();
        block_content_add_body_field($block_content_type->id());
        // Create a "Llama" content block.
        $block_content = BlockContent::create([
            'info' => 'Llama',
            'type' => 'basic',
            'body' => [
                'value' => 'The name "llama" was adopted by European settlers from native Peruvians.',
                'format' => 'plain_text',
            ],
        ]);
        $block_content->save();
        return $block_content;
    }
    
    /**
     * {@inheritdoc}
     *
     * @see \Drupal\block_content\BlockContentAccessControlHandler::checkAccess()
     */
    protected function getAccessCacheContextsForEntity(EntityInterface $entity) : array {
        return [];
    }
    
    /**
     * {@inheritdoc}
     *
     * Each comment must have a comment body, which always has a text format.
     */
    protected function getAdditionalCacheTagsForEntity(EntityInterface $entity) : array {
        return [
            'config:filter.format.plain_text',
        ];
    }
    
    /**
     * Tests that the block is cached with the correct contexts and tags.
     */
    public function testBlock() : void {
        $block = $this->drupalPlaceBlock('block_content:' . $this->entity
            ->uuid());
        $build = $this->container
            ->get('entity_type.manager')
            ->getViewBuilder('block')
            ->view($block, 'block');
        // Render the block.
        $this->container
            ->get('renderer')
            ->renderRoot($build);
        // Expected keys, contexts, and tags for the block.
        // @see \Drupal\block\BlockViewBuilder::viewMultiple()
        $expected_block_cache_keys = [
            'entity_view',
            'block',
            $block->id(),
        ];
        $expected_block_cache_tags = Cache::mergeTags([
            'block_view',
            'rendered',
        ], $block->getCacheTags());
        $expected_block_cache_tags = Cache::mergeTags($expected_block_cache_tags, $block->getPlugin()
            ->getCacheTags());
        // Expected contexts and tags for the BlockContent entity.
        // @see \Drupal\Core\Entity\EntityViewBuilder::getBuildDefaults().
        $expected_entity_cache_tags = Cache::mergeTags([
            'block_content_view',
        ], $this->entity
            ->getCacheTags());
        $expected_entity_cache_tags = Cache::mergeTags($expected_entity_cache_tags, $this->getAdditionalCacheTagsForEntity($this->entity));
        // Verify that what was render cached matches the above expectations.
        $this->verifyRenderCache($expected_block_cache_keys, Cache::mergeTags($expected_block_cache_tags, $expected_entity_cache_tags), CacheableMetadata::createFromRenderArray($build));
    }

}