def test_get_mapping(self):
        field = KeywordField()

        if ES_MAJOR_VERSION == 2:
            self.assertEqual({
                'type': 'string',
                'index': 'not_analyzed',
            }, field.to_dict())
        else:
            self.assertEqual({
                'type': 'keyword',
            }, field.to_dict())
        def test_get_mapping(self):
            field = KeywordField()

            self.assertEqual({
                'type': 'keyword',
            }, field.to_dict())