Issue #3123376 by swatichouhan012, johndevman, longwave, xjm:...

 */

use Drupal\Component\Graph\Graph;

use Drupal\Core\Update\UpdateKernel;

use Drupal\Core\Utility\Error;

/**

 * Disables any extensions that are incompatible with the current core version.

 *

 * @deprecated in Drupal 8.8.4 and is removed from Drupal 9.0.0.

 *

 * @see https://www.drupal.org/node/3026100

 */

function update_fix_compatibility() {

  @trigger_error(__FUNCTION__ . '() is deprecated in Drupal 8.8.4 and will be removed before Drupal 9.0.0. There is no replacement. See https://www.drupal.org/node/3026100', E_USER_DEPRECATED);

  // Fix extension objects if the update is being done via Drush 8. In non-Drush

  // environments this will already be fixed by the UpdateKernel this point.

  UpdateKernel::fixSerializedExtensionObjects(\Drupal::getContainer());

  $extension_config = \Drupal::configFactory()->getEditable('core.extension');

  $save = FALSE;

  foreach (['module', 'theme'] as $type) {

    foreach ($extension_config->get($type) as $name => $weight) {

      if (update_check_incompatibility($name, $type)) {

        $extension_config->clear("$type.$name");

        $save = TRUE;

      }

    }

  }

  if ($save) {

    $extension_config->set('module', module_config_sort($extension_config->get('module')));

    $extension_config->save();

  }

}

/**

 * Tests the compatibility of a module or theme.

 */

<?php

namespace Drupal\KernelTests\Core\Update;

use Drupal\KernelTests\KernelTestBase;

/**

 * Tests that extensions that are incompatible with the current core version are disabled.

 *

 * @group Update

 * @group legacy

 */

class CompatibilityFixTest extends KernelTestBase {

  /**

   * {@inheritdoc}

   */

  protected static $modules = ['system'];

  protected function setUp(): void {

    parent::setUp();

    require_once $this->root . '/core/includes/update.inc';

  }

  /**

   * @expectedDeprecation update_fix_compatibility() is deprecated in Drupal 8.8.4 and will be removed before Drupal 9.0.0. There is no replacement. See https://www.drupal.org/node/3026100

   */

  public function testFixCompatibility() {

    $extension_config = \Drupal::configFactory()->getEditable('core.extension');

    // Add an incompatible/non-existent module to the config.

    $modules = $extension_config->get('module');

    $modules['incompatible_module'] = 0;

    $extension_config->set('module', $modules);

    $modules = $extension_config->get('module');

    $this->assertTrue(in_array('incompatible_module', array_keys($modules)), 'Added incompatible/non-existent module to the config.');

    // Add an incompatible/non-existent theme to the config.

    $themes = $extension_config->get('theme');

    $themes['incompatible_theme'] = 0;

    $extension_config->set('theme', $themes);

    $themes = $extension_config->get('theme');

    $this->assertTrue(in_array('incompatible_theme', array_keys($themes)), 'Added incompatible/non-existent theme to the config.');

    // Fix compatibility.

    update_fix_compatibility();

    $modules = $extension_config->get('module');

    $this->assertFalse(in_array('incompatible_module', array_keys($modules)), 'Fixed modules compatibility.');

    $themes = $extension_config->get('theme');

    $this->assertFalse(in_array('incompatible_theme', array_keys($themes)), 'Fixed themes compatibility.');

  }

}