scheduler-8.x-1.x-dev/tests/modules/scheduler_access_test/scheduler_access_test.module

<?php

/**
 * @file
 * Scheduler Access Test module.
 *
 * This module is used in SchedulerEntityAccessTest and removes access to all
 * published nodes. The Media module does not provide any corresponding hooks to
 * restrict Media access. This module, and the tests, can be expanded when a
 * suitable access restriction method becomes available for Media entities.
 */

use Drupal\Core\Session\AccountInterface;
use Drupal\node\NodeInterface;

/**
 * Implements hook_node_access_records().
 */
function scheduler_access_test_node_access_records(NodeInterface $node) {
  // For the purpose of this test we deny access to every node regardless of
  // its published status. However, users with 'View own unpublished {type}'
  // permission will still be able to view their unpublished nodes.
  $grants = [[
    'realm' => 'scheduler',
    'gid' => 1,
    'grant_view' => 0,
    'grant_update' => 0,
    'grant_delete' => 0,
  ],
  ];
  return $grants;
}

/**
 * Implements hook_node_grants().
 */
function scheduler_access_test_node_grants(AccountInterface $account, $op) {
  // This hook needs to exist, but we do not return any grants.
  return [];
}