ConfigConfiguratorTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Recipe;

use Drupal\Component\Serialization\Yaml;
use Drupal\Core\Recipe\Recipe;
use Drupal\KernelTests\KernelTestBase;

/**
 * @covers \Drupal\Core\Recipe\ConfigConfigurator
 * @group Recipe
 */
class ConfigConfiguratorTest extends KernelTestBase {
    public function testExistingConfigWithKeysInDifferentOrder() : void {
        $recipe_dir = uniqid('public://recipe_test_');
        mkdir($recipe_dir . '/config', recursive: TRUE);
        $this->enableModules([
            'system',
        ]);
        $this->installConfig('system');
        
        /** @var mixed[][] $original_data */
        $original_data = $this->config('system.site')
            ->get();
        // Remove keys that are ignored during the comparison.
        unset($original_data['uuid'], $original_data['_core']);
        $recipe_data = $original_data;
        // Reorder an inner array, to ensure keys are sorted recursively.
        $recipe_data['page'] = array_reverse($original_data['page'], TRUE);
        $this->assertNotSame($original_data, $recipe_data);
        file_put_contents($recipe_dir . '/config/system.site.yml', Yaml::encode($recipe_data));
        $recipe = [
            'name' => 'Same config, different order',
            'type' => 'Testing',
        ];
        file_put_contents($recipe_dir . '/recipe.yml', Yaml::encode($recipe));
        // If there was a conflict with the pre-existing config, ConfigConfigurator
        // would throw an exception and the recipe would not be created. So all we
        // need to do here is assert that, in fact, we were able to create a recipe
        // object.
        $this->assertInstanceOf(Recipe::class, Recipe::createFromDirectory($recipe_dir));
    }

}