class NodeAccessCacheabilityWithNodeGrants

class NodeAccessCacheabilityWithNodeGrants extends BrowserTestBase {
    use EntityReferenceTestTrait;
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'node_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests node view access cacheability with node grants.
     */
    public function testAccessCacheabilityWithNodeGrants() {
        NodeType::create([
            'type' => 'page',
        ])->save();
        $this->createEntityReferenceField('node', 'page', 'ref', 'Ref', 'node');
        EntityViewDisplay::create([
            'targetEntityType' => 'node',
            'bundle' => 'page',
            'mode' => 'default',
            'status' => TRUE,
        ])->setComponent('ref', [
            'type' => 'entity_reference_label',
        ])
            ->save();
        // Check that at least one module implements hook_node_grants() as this test
        // only tests this case.
        // @see \node_test_node_grants()
        $this->assertTrue(\Drupal::moduleHandler()->hasImplementations('node_grants'));
        // Create an unpublished node.
        $referenced = $this->createNode([
            'status' => FALSE,
        ]);
        // Create a node referencing $referenced.
        $node = $this->createNode([
            'ref' => $referenced,
        ]);
        // Check that the referenced entity link doesn't show on the host entity.
        $this->drupalGet($node->toUrl());
        $this->assertSession()
            ->linkNotExists($referenced->label());
        // Publish the referenced node.
        $referenced->setPublished()
            ->save();
        // Check that the referenced entity link shows on the host entity.
        $this->getSession()
            ->reload();
        $this->assertSession()
            ->linkExists($referenced->label());
    }

}