NodeAccessCacheabilityTest.php

<?php

namespace Drupal\Tests\node\Functional;

use Drupal\Core\Url;
use Drupal\Tests\system\Functional\Cache\AssertPageCacheContextsAndTagsTrait;

/**
 * Tests the node access automatic cacheability bubbling logic.
 *
 * @group node
 * @group Cache
 * @group cacheability_safeguards
 */
class NodeAccessCacheabilityTest extends NodeTestBase {
    use AssertPageCacheContextsAndTagsTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'node_access_test',
        'node_access_test_auto_bubbling',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        node_access_rebuild();
        // Create some content.
        $this->drupalCreateNode();
        $this->drupalCreateNode();
        $this->drupalCreateNode();
        $this->drupalCreateNode();
    }
    
    /**
     * Tests that the node grants cache context is auto-added, only when needed.
     *
     * @see node_query_node_access_alter()
     */
    public function testNodeAccessCacheabilitySafeguard() {
        $this->dumpHeaders = TRUE;
        // The node grants cache context should be added automatically.
        $this->drupalGet(new Url('node_access_test_auto_bubbling'));
        $this->assertCacheContext('user.node_grants:view');
        // The root user has the 'bypass node access' permission, which means the
        // node grants cache context is not necessary.
        $this->drupalLogin($this->rootUser);
        $this->drupalGet(new Url('node_access_test_auto_bubbling'));
        $this->assertNoCacheContext('user.node_grants:view');
        $this->drupalLogout();
        // Uninstall the module with the only hook_node_grants() implementation.
        $this->container
            ->get('module_installer')
            ->uninstall([
            'node_access_test',
        ]);
        $this->rebuildContainer();
        // Because there are no node grants defined, there also is no need for the
        // node grants cache context to be bubbled.
        $this->drupalGet(new Url('node_access_test_auto_bubbling'));
        $this->assertNoCacheContext('user.node_grants:view');
    }
    
    /**
     * Tests that the user cache contexts are correctly set.
     */
    public function testNodeAccessCacheContext() {
        // Create a user, with edit/delete own content permission.
        $test_user1 = $this->drupalCreateUser([
            'access content',
            'edit own page content',
            'delete own page content',
        ]);
        $this->drupalLogin($test_user1);
        $node1 = $this->createNode([
            'type' => 'page',
        ]);
        // User should be able to edit/delete their own content.
        // Therefore after the access check in node_node_access the user cache
        // context should be added.
        $this->drupalGet('node/' . $node1->id() . '/edit');
        $this->assertCacheContext('user');
        $this->drupalGet('node/' . $node1->id() . '/delete');
        $this->assertCacheContext('user');
        // Create a user without edit/delete permission.
        $test_user2 = $this->drupalCreateUser([
            'access content',
        ]);
        $this->drupalLogin($test_user2);
        $node2 = $this->createNode([
            'type' => 'page',
        ]);
        // The user shouldn't have access to the node edit/delete pages.
        // Therefore after the access check in node_node_access the user permissions
        // cache context should be added.
        $this->drupalGet('node/' . $node2->id() . '/edit');
        $this->assertCacheContext('user.permissions');
        $this->drupalGet('node/' . $node2->id() . '/delete');
        $this->assertCacheContext('user.permissions');
    }

}