EntityBundleListCacheTest.php

<?php

namespace Drupal\FunctionalTests\Entity;

use Drupal\Core\Url;
use Drupal\entity_test\Entity\EntityTestBundle;
use Drupal\entity_test\Entity\EntityTestWithBundle;
use Drupal\Tests\BrowserTestBase;
use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;

/**
 * Tests that bundle tags are invalidated when entities change.
 *
 * @group Entity
 */
class EntityBundleListCacheTest extends BrowserTestBase {
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'cache_test',
        'entity_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'classy';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        EntityTestBundle::create([
            'id' => 'bundle_a',
            'label' => 'Bundle A',
        ])->save();
        EntityTestBundle::create([
            'id' => 'bundle_b',
            'label' => 'Bundle B',
        ])->save();
    }
    
    /**
     * Tests that tags are invalidated when an entity with that bundle changes.
     */
    public function testBundleListingCache() {
        // Access to lists of test entities with each bundle.
        $bundle_a_url = Url::fromRoute('cache_test_list.bundle_tags', [
            'entity_type_id' => 'entity_test_with_bundle',
            'bundle' => 'bundle_a',
        ]);
        $bundle_b_url = Url::fromRoute('cache_test_list.bundle_tags', [
            'entity_type_id' => 'entity_test_with_bundle',
            'bundle' => 'bundle_b',
        ]);
        $this->drupalGet($bundle_a_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'MISS');
        $this->assertCacheTags([
            'rendered',
            'entity_test_with_bundle_list:bundle_a',
        ]);
        $this->drupalGet($bundle_a_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
        $this->assertCacheTags([
            'rendered',
            'entity_test_with_bundle_list:bundle_a',
        ]);
        $this->drupalGet($bundle_b_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'MISS');
        $this->assertCacheTags([
            'rendered',
            'entity_test_with_bundle_list:bundle_b',
        ]);
        $this->drupalGet($bundle_b_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
        $entity1 = EntityTestWithBundle::create([
            'type' => 'bundle_a',
            'name' => 'entity1',
        ]);
        $entity1->save();
        // Check that tags are invalidated after creating an entity of the current
        // bundle.
        $this->drupalGet($bundle_a_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'MISS');
        $this->drupalGet($bundle_a_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
        // Check that tags are not invalidated after creating an entity of a
        // different bundle than the current in the request.
        $this->drupalGet($bundle_b_url);
        $this->assertSession()
            ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
    }

}