Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

core/tests/Drupal/KernelTests/Config/DefaultConfigTest.php

@@ -0,0 +1,119 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\KernelTests\Config\DefaultConfigTest.
+ */
+
+namespace Drupal\KernelTests\Config;
+
+use Drupal\Component\FileCache\FileCacheFactory;
+use Drupal\Core\Config\FileStorage;
+use Drupal\Core\Config\InstallStorage;
+use Drupal\Core\Config\StorageInterface;
+use Drupal\Core\Site\Settings;
+use Drupal\KernelTests\AssertConfigTrait;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests that the installed config matches the default config.
+ *
+ * @group Config
+ */
+class DefaultConfigTest extends KernelTestBase {
+
+  use AssertConfigTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $timeLimit = 500;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['system', 'user'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    // @todo ModuleInstaller calls system_rebuild_module_data which is part of
+    //   system.module, see https://www.drupal.org/node/2208429.
+    include_once $this->root . '/core/modules/system/system.module';
+
+    // Set up the state values so we know where to find the files when running
+    // drupal_get_filename().
+    // @todo Remove as part of https://www.drupal.org/node/2186491
+    system_rebuild_module_data();
+
+    $this->installSchema('system', 'router');
+  }
+
+  /**
+   * Tests if installed config is equal to the exported config.
+   *
+   * @dataProvider providerTestModuleConfig
+   */
+  public function testModuleConfig($module) {
+    /** @var \Drupal\Core\Extension\ModuleInstallerInterface $module_installer */
+    $module_installer = $this->container->get('module_installer');
+    /** @var \Drupal\Core\Config\StorageInterface $active_config_storage */
+    $active_config_storage = $this->container->get('config.storage');
+    /** @var \Drupal\Core\Config\ConfigManagerInterface $config_manager */
+    $config_manager = $this->container->get('config.manager');
+
+    $module_installer->install([$module]);
+
+    // System and user are required in order to be able to install some of the
+    // other modules. Therefore they are put into static::$modules, which though
+    // doesn't install config files, so import those config files explicitly.
+    switch ($module) {
+      case 'system':
+      case 'user':
+        $this->installConfig([$module]);
+        break;
+    }
+
+    $default_install_path = drupal_get_path('module', $module) . '/' . InstallStorage::CONFIG_INSTALL_DIRECTORY;
+    $module_config_storage = new FileStorage($default_install_path, StorageInterface::DEFAULT_COLLECTION);
+
+    // The following config entries are changed on module install, so compare
+    // them doesn't make sense.
+    $skipped_config = [];
+    $skipped_config['locale.settings'][] = 'path: ';
+    $skipped_config['syslog.settings'][] = 'facility: ';
+    // @todo Figure out why simpletest.settings is not installed.
+    $skipped_config['simpletest.settings'] = TRUE;
+
+    // Compare the installed config with the one in the module directory.
+    foreach ($module_config_storage->listAll() as $config_name) {
+      $result = $config_manager->diff($module_config_storage, $active_config_storage, $config_name);
+      $this->assertConfigDiff($result, $config_name, $skipped_config);
+    }
+  }
+
+  /**
+   * Test data provider for ::testModuleConfig().
+   *
+   * @return array
+   *   An array of module names to test.
+   */
+  public function providerTestModuleConfig() {
+    $module_dirs = array_keys(iterator_to_array(new \FilesystemIterator(__DIR__ . '/../../../../modules/')));
+    $module_names = array_map(function($path) {
+      return str_replace(__DIR__ . '/../../../../modules/', '', $path);
+    }, $module_dirs);
+    $modules_keyed = array_combine($module_names, $module_names);
+
+    $data = array_map(function ($module) {
+      return [$module];
+    }, $modules_keyed);
+
+    return $data;
+  }
+
+}
+