class MapDataNormalizerTest

class MapDataNormalizerTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'serialization',
  ];
  
  /**
   * The serializer service.
   *
   * @var \Symfony\Component\Serializer\Serializer
   */
  protected $serializer;
  
  /**
   * The typed data manager.
   *
   * @var \Drupal\Core\TypedData\TypedDataManagerInterface
   */
  protected $typedDataManager;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->serializer = \Drupal::service('serializer');
    $this->typedDataManager = \Drupal::typedDataManager();
  }
  
  /**
   * Tests whether map data can be normalized.
   */
  public function testMapNormalize() {
    $typed_data = $this->buildExampleTypedData();
    $data = $this->serializer
      ->normalize($typed_data, 'json');
    $expect_value = [
      'key1' => 'value1',
      'key2' => 'value2',
      'key3' => 3,
      'key4' => [
        0 => TRUE,
        1 => 'value6',
        'key7' => 'value7',
      ],
    ];
    $this->assertSame($expect_value, $data);
  }
  
  /**
   * Tests whether map data with properties can be normalized.
   */
  public function testMapWithPropertiesNormalize() {
    $typed_data = $this->buildExampleTypedDataWithProperties();
    $data = $this->serializer
      ->normalize($typed_data, 'json');
    $expect_value = [
      'key1' => 'value1',
      'key2' => 'value2',
      'key3' => 3,
      'key4' => [
        0 => TRUE,
        1 => 'value6',
        'key7' => 'value7',
      ],
    ];
    $this->assertSame($expect_value, $data);
  }
  
  /**
   * Builds some example typed data object with no properties.
   */
  protected function buildExampleTypedData() {
    $tree = [
      'key1' => 'value1',
      'key2' => 'value2',
      'key3' => 3,
      'key4' => [
        0 => TRUE,
        1 => 'value6',
        'key7' => 'value7',
      ],
    ];
    $map_data_definition = MapDataDefinition::create();
    $typed_data = $this->typedDataManager
      ->create($map_data_definition, $tree, 'test name');
    return $typed_data;
  }
  
  /**
   * Builds some example typed data object with properties.
   */
  protected function buildExampleTypedDataWithProperties() {
    $tree = [
      'key1' => 'value1',
      'key2' => 'value2',
      'key3' => 3,
      'key4' => [
        0 => TRUE,
        1 => 'value6',
        'key7' => 'value7',
      ],
    ];
    $map_data_definition = MapDataDefinition::create()->setPropertyDefinition('key1', DataDefinition::create('string'))
      ->setPropertyDefinition('key2', DataDefinition::create('string'))
      ->setPropertyDefinition('key3', DataDefinition::create('integer'))
      ->setPropertyDefinition('key4', MapDataDefinition::create()->setPropertyDefinition(0, DataDefinition::create('boolean'))
      ->setPropertyDefinition(1, DataDefinition::create('string'))
      ->setPropertyDefinition('key7', DataDefinition::create('string')));
    $typed_data = $this->typedDataManager
      ->create($map_data_definition, $tree, 'test name');
    return $typed_data;
  }

}