CompatibilityFixTest.php

<?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}
     */
    public static $modules = [
        'system',
    ];
    protected function setUp() {
        parent::setUp();
        require_once $this->root . '/core/includes/update.inc';
    }
    
    /**
     * @expectedDeprecation update_fix_compatibility() is deprecated in Drupal 8.8.5 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.');
    }

}