class EntityTranslationNormalizeTest

class EntityTranslationNormalizeTest extends NormalizerTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'node',
    'content_translation',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installSchema('system', [
      'sequences',
    ]);
    $this->installConfig([
      'node',
      'content_translation',
    ]);
  }
  
  /**
   * Tests the normalization of node translations.
   */
  public function testNodeTranslation() {
    $node_type = NodeType::create([
      'type' => 'example_type',
    ]);
    $node_type->save();
    $this->container
      ->get('content_translation.manager')
      ->setEnabled('node', 'example_type', TRUE);
    $user = User::create([
      'name' => $this->randomMachineName(),
    ]);
    $user->save();
    $node = Node::create([
      'title' => $this->randomMachineName(),
      'uid' => (int) $user->id(),
      'type' => $node_type->id(),
      'status' => NodeInterface::PUBLISHED,
      'langcode' => 'en',
      'promote' => 1,
      'sticky' => 0,
      'body' => [
        'value' => $this->randomMachineName(),
        'format' => $this->randomMachineName(),
      ],
      'revision_log' => $this->randomString(),
    ]);
    $node->addTranslation('de', [
      'title' => 'German title',
      'body' => [
        'value' => $this->randomMachineName(),
        'format' => $this->randomMachineName(),
      ],
    ]);
    $node->save();
    $original_values = $node->toArray();
    $translation = $node->getTranslation('de');
    $original_translation_values = $node->getTranslation('en')
      ->toArray();
    $normalized = $this->serializer
      ->normalize($node, $this->format);
    $this->assertContainsEquals([
      'lang' => 'en',
      'value' => $node->getTitle(),
    ], $normalized['title'], 'Original language title has been normalized.');
    $this->assertContainsEquals([
      'lang' => 'de',
      'value' => $translation->getTitle(),
    ], $normalized['title'], 'Translation language title has been normalized.');
    /** @var \Drupal\node\NodeInterface $denormalized_node */
    $denormalized_node = $this->serializer
      ->denormalize($normalized, 'Drupal\\node\\Entity\\Node', $this->format);
    $this->assertSame($denormalized_node->language()
      ->getId(), $denormalized_node->getUntranslated()
      ->language()
      ->getId(), 'Untranslated object is returned from serializer.');
    $this->assertSame('en', $denormalized_node->language()
      ->getId());
    $this->assertTrue($denormalized_node->hasTranslation('de'));
    $this->assertSame($node->getTitle(), $denormalized_node->getTitle());
    $this->assertSame($translation->getTitle(), $denormalized_node->getTranslation('de')
      ->getTitle());
    $original_values['revision_default'] = [];
    $original_translation_values['revision_default'] = [];
    $this->assertEquals($original_values, $denormalized_node->toArray(), 'Node values are restored after normalizing and denormalizing.');
    $this->assertEquals($original_translation_values, $denormalized_node->getTranslation('en')
      ->toArray(), 'Node values are restored after normalizing and denormalizing.');
  }

}