config_test.module

<?php

/**
 * @file
 * Provides Config module hook implementations for testing purposes.
 */
require_once dirname(__FILE__) . '/config_test.hooks.inc';
use Drupal\Core\Entity\Query\QueryInterface;

/**
 * Implements hook_cache_flush().
 */
function config_test_cache_flush() {

  // Set a global value we can check in test code.
  $GLOBALS['hook_cache_flush'] = __FUNCTION__;
}

/**
 * Implements hook_entity_type_alter().
 */
function config_test_entity_type_alter(array &$entity_types) {

  /** @var \Drupal\Core\Entity\EntityTypeInterface[] $entity_types */

  // The 'translatable' entity key is not supposed to change over time. In this
  // case we can safely do it because we set it once and we do not change it for
  // all the duration of the test session.
  $entity_types['config_test']
    ->set('translatable', \Drupal::service('state')
    ->get('config_test.translatable'));

  // Create a clone of config_test that does not have a status.
  $entity_types['config_test_no_status'] = clone $entity_types['config_test'];
  $config_test_no_status =& $entity_types['config_test_no_status'];
  $config_test_no_status
    ->setLinkTemplate('edit-form', '/admin/structure/config_test/manage/{config_test_no_status}');
  $config_test_no_status
    ->setLinkTemplate('delete-form', '/admin/structure/config_test/manage/{config_test_no_status}/delete');
  $keys = $config_test_no_status
    ->getKeys();
  unset($keys['status']);
  $config_test_no_status
    ->set('id', 'config_test_no_status');
  $config_test_no_status
    ->set('entity_keys', $keys);
  $config_test_no_status
    ->set('config_prefix', 'no_status');
  $config_test_no_status
    ->set('mergedConfigExport', [
    'id' => 'id',
    'label' => 'label',
    'uuid' => 'uuid',
    'langcode' => 'langcode',
  ]);
  if (\Drupal::service('state')
    ->get('config_test.lookup_keys', FALSE)) {
    $entity_types['config_test']
      ->set('lookup_keys', [
      'uuid',
      'style',
    ]);
  }
}

/**
 * Implements hook_entity_query_tag__ENTITY_TYPE__TAG_alter().
 *
 * Entity type is 'config_query_test' and tag is
 * 'config_entity_query_alter_hook_test'.
 *
 * @see Drupal\KernelTests\Core\Entity\ConfigEntityQueryTest::testAlterHook
 */
function config_test_entity_query_tag__config_query_test__config_entity_query_alter_hook_test_alter(QueryInterface $query) : void {
  $query
    ->condition('id', '7', '<>');
}