class CheckpointStorageTest

class CheckpointStorageTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'config_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig([
      'system',
      'config_test',
    ]);
  }
  public function testConfigSaveAndRead() : void {
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $this->config('system.site')
      ->set('name', 'Test1')
      ->save();
    $check1 = $checkpoint_storage->checkpoint('A');
    $this->config('system.site')
      ->set('name', 'Test2')
      ->save();
    $check2 = $checkpoint_storage->checkpoint('B');
    $this->config('system.site')
      ->set('name', 'Test3')
      ->save();
    $this->assertSame('Test3', $this->config('system.site')
      ->get('name'));
    $this->assertSame('Test1', $checkpoint_storage->read('system.site')['name']);
    // The config listings should be exactly the same.
    $this->assertSame($checkpoint_storage->listAll(), $this->container
      ->get('config.storage')
      ->listAll());
    $checkpoint_storage->setCheckpointToReadFrom($check2);
    $this->assertSame('Test2', $checkpoint_storage->read('system.site')['name']);
    $this->assertSame($checkpoint_storage->listAll(), $this->container
      ->get('config.storage')
      ->listAll());
    $checkpoint_storage->setCheckpointToReadFrom($check1);
    $this->assertSame('Test1', $checkpoint_storage->read('system.site')['name']);
    $this->assertSame($checkpoint_storage->listAll(), $this->container
      ->get('config.storage')
      ->listAll());
  }
  public function testConfigDelete() : void {
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $check1 = $checkpoint_storage->checkpoint('A');
    $this->config('config_test.system')
      ->delete();
    $this->assertFalse($this->container
      ->get('config.storage')
      ->exists('config_test.system'));
    $this->assertTrue($checkpoint_storage->exists('config_test.system'));
    $this->assertSame('bar', $checkpoint_storage->read('config_test.system')['foo']);
    $this->assertContains('config_test.system', $checkpoint_storage->listAll());
    $this->assertContains('config_test.system', $checkpoint_storage->listAll('config_test.'));
    $this->assertNotContains('config_test.system', $checkpoint_storage->listAll('system.'));
    // Should not be part of the active storage anymore.
    $this->assertNotContains('config_test.system', $this->container
      ->get('config.storage')
      ->listAll());
    $check2 = $checkpoint_storage->checkpoint('B');
    $this->config('config_test.system')
      ->set('foo', 'foobar')
      ->save();
    $this->assertTrue($this->container
      ->get('config.storage')
      ->exists('config_test.system'));
    $this->assertTrue($checkpoint_storage->exists('config_test.system'));
    $this->assertSame('bar', $checkpoint_storage->read('config_test.system')['foo']);
    $checkpoint_storage->setCheckpointToReadFrom($check2);
    $this->assertFalse($checkpoint_storage->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->read('config_test.system'));
    $this->assertNotContains('config_test.system', $checkpoint_storage->listAll());
    $checkpoint_storage->setCheckpointToReadFrom($check1);
    $this->assertTrue($checkpoint_storage->exists('config_test.system'));
    $this->assertSame('bar', $checkpoint_storage->read('config_test.system')['foo']);
    $this->assertContains('config_test.system', $checkpoint_storage->listAll());
  }
  public function testConfigCreate() : void {
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $this->config('config_test.system')
      ->delete();
    $check1 = $checkpoint_storage->checkpoint('A');
    $this->config('config_test.system')
      ->set('foo', 'foobar')
      ->save();
    $this->assertTrue($this->container
      ->get('config.storage')
      ->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->read('config_test.system'));
    $this->assertNotContains('config_test.system', $checkpoint_storage->listAll());
    $this->assertNotContains('config_test.system', $checkpoint_storage->listAll('config_test.'));
    $this->assertContains('system.site', $checkpoint_storage->listAll('system.'));
    $this->assertContains('config_test.system', $this->container
      ->get('config.storage')
      ->listAll());
    $check2 = $checkpoint_storage->checkpoint('B');
    $this->config('config_test.system')
      ->delete();
    $this->assertFalse($this->container
      ->get('config.storage')
      ->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->read('config_test.system'));
    $this->config('config_test.system')
      ->set('foo', 'foobar')
      ->save();
    $this->assertTrue($this->container
      ->get('config.storage')
      ->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->read('config_test.system'));
    $checkpoint_storage->setCheckpointToReadFrom($check2);
    $this->assertTrue($checkpoint_storage->exists('config_test.system'));
    $this->assertSame('foobar', $checkpoint_storage->read('config_test.system')['foo']);
    $this->assertContains('config_test.system', $checkpoint_storage->listAll());
    $checkpoint_storage->setCheckpointToReadFrom($check1);
    $this->assertFalse($checkpoint_storage->exists('config_test.system'));
    $this->assertFalse($checkpoint_storage->read('config_test.system'));
    $this->assertNotContains('config_test.system', $checkpoint_storage->listAll());
  }
  public function testConfigRename() : void {
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $check1 = $checkpoint_storage->checkpoint('A');
    $this->container
      ->get('config.factory')
      ->rename('config_test.dynamic.dotted.default', 'config_test.dynamic.renamed');
    $this->config('config_test.dynamic.renamed')
      ->set('id', 'renamed')
      ->save();
    $this->assertFalse($checkpoint_storage->exists('config_test.dynamic.renamed'));
    $this->assertTrue($checkpoint_storage->exists('config_test.dynamic.dotted.default'));
    $this->assertSame('dotted.default', $checkpoint_storage->read('config_test.dynamic.dotted.default')['id']);
    $this->assertSame($checkpoint_storage->read('config_test.dynamic.dotted.default')['uuid'], $this->config('config_test.dynamic.renamed')
      ->get('uuid'));
    $check2 = $checkpoint_storage->checkpoint('B');
    /** @var \Drupal\Core\Config\Entity\ConfigEntityStorage $storage */
    $storage = $this->container
      ->get('entity_type.manager')
      ->getStorage('config_test');
    // Entity1 will be deleted by the test.
    $entity1 = $storage->create([
      'id' => 'dotted.default',
      'label' => 'Another one',
    ]);
    $entity1->save();
    $check3 = $checkpoint_storage->checkpoint('C');
    $checkpoint_storage->setCheckpointToReadFrom($check2);
    $this->assertFalse($checkpoint_storage->exists('config_test.dynamic.dotted.default'));
    $checkpoint_storage->setCheckpointToReadFrom($check3);
    $this->assertTrue($checkpoint_storage->exists('config_test.dynamic.dotted.default'));
    $this->assertNotEquals($checkpoint_storage->read('config_test.dynamic.dotted.default')['uuid'], $this->config('config_test.dynamic.renamed')
      ->get('uuid'));
    $this->assertSame('Another one', $checkpoint_storage->read('config_test.dynamic.dotted.default')['label']);
    $checkpoint_storage->setCheckpointToReadFrom($check1);
    $this->assertSame('Default', $checkpoint_storage->read('config_test.dynamic.dotted.default')['label']);
  }
  public function testRevert() : void {
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $check1 = $checkpoint_storage->checkpoint('A');
    $this->assertTrue($this->container
      ->get('module_installer')
      ->uninstall([
      'config_test',
    ]));
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $check2 = $checkpoint_storage->checkpoint('B');
    $importer = $this->getConfigImporter($checkpoint_storage);
    $config_changelist = $importer->getStorageComparer()
      ->createChangelist()
      ->getChangelist();
    $this->assertContains('config_test.dynamic.dotted.default', $config_changelist['create']);
    $this->assertSame([
      'core.extension',
    ], $config_changelist['update']);
    $this->assertSame([], $config_changelist['delete']);
    $this->assertSame([], $config_changelist['rename']);
    $importer->import();
    $this->assertSame([], $importer->getErrors());
    $this->assertTrue($this->container
      ->get('module_handler')
      ->moduleExists('config_test'));
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $checkpoint_storage->setCheckpointToReadFrom($check2);
    $importer = $this->getConfigImporter($checkpoint_storage);
    $config_changelist = $importer->getStorageComparer()
      ->createChangelist()
      ->getChangelist();
    $this->assertContains('config_test.dynamic.dotted.default', $config_changelist['delete']);
    $this->assertSame([
      'core.extension',
    ], $config_changelist['update']);
    $this->assertSame([], $config_changelist['create']);
    $this->assertSame([], $config_changelist['rename']);
    $importer->import();
    $this->assertFalse($this->container
      ->get('module_handler')
      ->moduleExists('config_test'));
    $checkpoint_storage->setCheckpointToReadFrom($check1);
    $importer = $this->getConfigImporter($checkpoint_storage);
    $importer->getStorageComparer()
      ->createChangelist();
    $importer->import();
    $this->assertTrue($this->container
      ->get('module_handler')
      ->moduleExists('config_test'));
  }
  public function testRevertWithCollections() : void {
    $collections = [
      'another_collection',
      'collection.test1',
      'collection.test2',
    ];
    // Set the event listener to return three possible collections.
    // @see \Drupal\config_collection_install_test\EventSubscriber
    \Drupal::state()->set('config_collection_install_test.collection_names', $collections);
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    $checkpoint_storage->checkpoint('A');
    // Install the test module.
    $this->assertTrue($this->container
      ->get('module_installer')
      ->install([
      'config_collection_install_test',
    ]));
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    /** @var \Drupal\Core\Config\StorageInterface $active_storage */
    $active_storage = \Drupal::service('config.storage');
    $this->assertEquals($collections, $active_storage->getAllCollectionNames());
    foreach ($collections as $collection) {
      $collection_storage = $active_storage->createCollection($collection);
      $data = $collection_storage->read('config_collection_install_test.test');
      $this->assertEquals($collection, $data['collection']);
    }
    $check2 = $checkpoint_storage->checkpoint('B');
    $importer = $this->getConfigImporter($checkpoint_storage);
    $storage_comparer = $importer->getStorageComparer();
    $config_changelist = $storage_comparer->createChangelist()
      ->getChangelist();
    $this->assertSame([], $config_changelist['create']);
    $this->assertSame([
      'core.extension',
    ], $config_changelist['update']);
    $this->assertSame([], $config_changelist['delete']);
    $this->assertSame([], $config_changelist['rename']);
    foreach ($collections as $collection) {
      $config_changelist = $storage_comparer->getChangelist(NULL, $collection);
      $this->assertSame([], $config_changelist['create']);
      $this->assertSame([], $config_changelist['update']);
      $this->assertSame([
        'config_collection_install_test.test',
      ], $config_changelist['delete'], $collection);
      $this->assertSame([], $config_changelist['rename']);
    }
    $importer->import();
    $this->assertSame([], $importer->getErrors());
    $checkpoint_storage = $this->container
      ->get('config.storage.checkpoint');
    /** @var \Drupal\Core\Config\StorageInterface $active_storage */
    $active_storage = \Drupal::service('config.storage');
    $this->assertEmpty($active_storage->getAllCollectionNames());
    foreach ($collections as $collection) {
      $collection_storage = $active_storage->createCollection($collection);
      $this->assertFalse($collection_storage->read('config_collection_install_test.test'));
    }
    $checkpoint_storage->setCheckpointToReadFrom($check2);
    $importer = $this->getConfigImporter($checkpoint_storage);
    $storage_comparer = $importer->getStorageComparer();
    $config_changelist = $storage_comparer->createChangelist()
      ->getChangelist();
    $this->assertSame([], $config_changelist['create']);
    $this->assertSame([
      'core.extension',
    ], $config_changelist['update']);
    $this->assertSame([], $config_changelist['delete']);
    $this->assertSame([], $config_changelist['rename']);
    foreach ($collections as $collection) {
      $config_changelist = $storage_comparer->getChangelist(NULL, $collection);
      $this->assertSame([
        'config_collection_install_test.test',
      ], $config_changelist['create']);
      $this->assertSame([], $config_changelist['update']);
      $this->assertSame([], $config_changelist['delete'], $collection);
      $this->assertSame([], $config_changelist['rename']);
    }
    $importer->import();
    $this->assertSame([], $importer->getErrors());
    $this->assertTrue($this->container
      ->get('module_handler')
      ->moduleExists('config_collection_install_test'));
    /** @var \Drupal\Core\Config\StorageInterface $active_storage */
    $active_storage = \Drupal::service('config.storage');
    $this->assertEquals($collections, $active_storage->getAllCollectionNames());
    foreach ($collections as $collection) {
      $collection_storage = $active_storage->createCollection($collection);
      $data = $collection_storage->read('config_collection_install_test.test');
      $this->assertEquals($collection, $data['collection']);
    }
  }
  private function getConfigImporter(CheckpointStorageInterface $storage) : ConfigImporter {
    $storage_comparer = new StorageComparer($storage, $this->container
      ->get('config.storage'));
    return new ConfigImporter($storage_comparer, $this->container
      ->get('event_dispatcher'), $this->container
      ->get('config.manager'), $this->container
      ->get('lock'), $this->container
      ->get('config.typed'), $this->container
      ->get('module_handler'), $this->container
      ->get('module_installer'), $this->container
      ->get('theme_handler'), $this->container
      ->get('string_translation'), $this->container
      ->get('extension.list.module'), $this->container
      ->get('extension.list.theme'));
  }

}