import graphene class GeoInput(graphene.InputObjectType): lat = graphene.Float(required=True) lng = graphene.Float(required=True) @property def latlng(self): return "({},{})".format(self.lat, self.lng) class Address(graphene.ObjectType): latlng = graphene.String() class Query(graphene.ObjectType): address = graphene.Field(Address, geo=GeoInput(required=True)) def resolve_address(self, info, geo): return Address(latlng=geo.latlng) class CreateAddress(graphene.Mutation): class Arguments: geo = GeoInput(required=True) Output = Address def mutate(self, info, geo): return Address(latlng=geo.latlng) class Mutation(graphene.ObjectType): create_address = CreateAddress.Field() schema = graphene.Schema(query=Query, mutation=Mutation) query = """ query something{ address(geo: {lat:32.2, lng:12}) { latlng } } """ mutation = """ mutation addAddress{ createAddress(geo: {lat:32.2, lng:12}) { latlng } } """ def test_query(): result = schema.execute(query) assert not result.errors assert result.data == {"address": {"latlng": "(32.2,12.0)"}} def test_mutation(): result = schema.execute(mutation) assert not result.errors assert result.data == {"createAddress": {"latlng": "(32.2,12.0)"}} if __name__ == "__main__": result = schema.execute(query) print(result.data["address"]["latlng"])