How to use the ariadne.constants.DATA_TYPE_JSON function in ariadne

def test_custom_context_value_function_is_called_with_request_value(schema):
    get_context_value = Mock(return_value=True)
    app = GraphQL(schema, context_value=get_context_value)
    request = {"CONTENT_TYPE": DATA_TYPE_JSON}
    app.execute_query(request, {"query": "{ status }"})
    get_context_value.assert_called_once_with(request)

async def extract_data_from_request(self, request: Request):
        content_type = request.headers.get("Content-Type", "")
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return await self.extract_data_from_json_request(request)
        if content_type == DATA_TYPE_MULTIPART:
            return await self.extract_data_from_multipart_request(request)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

def get_request_data(self, environ: dict) -> dict:
        content_type = environ.get("CONTENT_TYPE", "")
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return self.extract_data_from_json_request(environ)
        if content_type == DATA_TYPE_MULTIPART:
            return self.extract_data_from_multipart_request(environ)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

def get_request_data(self, environ: dict) -> dict:
        content_type = environ.get("CONTENT_TYPE", "")
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return self.extract_data_from_json_request(environ)
        if content_type == DATA_TYPE_MULTIPART:
            return self.extract_data_from_multipart_request(environ)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

def get_request_data(self, environ: dict) -> dict:
        content_type = environ.get("CONTENT_TYPE", "")
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return self.extract_data_from_json_request(environ)
        if content_type == DATA_TYPE_MULTIPART:
            return self.extract_data_from_multipart_request(environ)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

async def extract_data_from_request(self, request: Request):
        content_type = request.headers.get("Content-Type", "")
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return await self.extract_data_from_json_request(request)
        if content_type == DATA_TYPE_MULTIPART:
            return await self.extract_data_from_multipart_request(request)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

def extract_data_from_request(self, request: HttpRequest):
        content_type = request.content_type or ""
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return self.extract_data_from_json_request(request)
        if content_type == DATA_TYPE_MULTIPART:
            return self.extract_data_from_multipart_request(request)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

def get_request_data(self, environ: dict) -> dict:
        content_type = environ.get("CONTENT_TYPE", "")
        content_type = content_type.split(";")[0]

        if content_type == DATA_TYPE_JSON:
            return self.extract_data_from_json_request(environ)
        if content_type == DATA_TYPE_MULTIPART:
            return self.extract_data_from_multipart_request(environ)

        raise HttpBadRequestError(
            "Posted content must be of type {} or {}".format(
                DATA_TYPE_JSON, DATA_TYPE_MULTIPART
            )

def get_request_data(self, body: bytes) -> dict:
        for header, value in self.scope["headers"]:
            if header == b"content-type" and value == DATA_TYPE_JSON.encode("utf-8"):
                break
        else:
            raise HttpBadRequestError(
                "Posted content must be of type {}".format(DATA_TYPE_JSON)
            )

        data = self.parse_request_body(body)
        if not isinstance(data, dict):
            raise GraphQLError("Valid request body should be a JSON object")

        return data

def get_request_data(self, body: bytes) -> dict:
        for header, value in self.scope["headers"]:
            if header == b"content-type" and value == DATA_TYPE_JSON.encode("utf-8"):
                break
        else:
            raise HttpBadRequestError(
                "Posted content must be of type {}".format(DATA_TYPE_JSON)
            )

        data = self.parse_request_body(body)
        if not isinstance(data, dict):
            raise GraphQLError("Valid request body should be a JSON object")

        return data