class MapBaseFieldTest

class MapBaseFieldTest extends EntityKernelTestBase {
    
    /**
     * The entity definition update manager.
     *
     * @var \Drupal\Core\Entity\EntityDefinitionUpdateManagerInterface
     */
    protected $entityDefinitionUpdateManager;
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'entity_test_update',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->entityDefinitionUpdateManager = $this->container
            ->get('entity.definition_update_manager');
        // Install every entity type's schema that wasn't installed in the parent
        // method.
        foreach (array_diff_key($this->entityTypeManager
            ->getDefinitions(), array_flip([
            'user',
            'entity_test',
        ])) as $entity_type_id => $entity_type) {
            $this->installEntitySchema($entity_type_id);
        }
    }
    
    /**
     * Tests uninstalling map item base field.
     */
    public function testUninstallMapItemBaseField() {
        $definitions['data_map'] = BaseFieldDefinition::create('map')->setLabel(t('Data'))
            ->setRequired(TRUE);
        $this->state
            ->set('entity_test_update.additional_base_field_definitions', $definitions);
        $this->entityDefinitionUpdateManager
            ->installFieldStorageDefinition('data_map', 'entity_test_update', 'entity_test', $definitions['data_map']);
        $entity = EntityTestUpdate::create([
            'data_map' => [
                'key' => 'value',
            ],
        ]);
        $entity->save();
        $this->entityDefinitionUpdateManager
            ->uninstallFieldStorageDefinition($definitions['data_map']);
    }

}