djangorest.py

class TestSerializer(serializers.Serializer):
    some_char_field = serializers.CharField()
    some_int_field = serializers.IntegerField()
    some_bool_field = serializers.NullBooleanField()


class TestSet(viewsets.GenericViewSet):
    serializer_class = TestSerializer

    """
    Simple update test
    """
    def create(self, request):
        serializer = TestSerializer(request.data)
        return Response(serializer.data)

    def list(self, request):
        return Response([1, 2, 3])