def print_type(type_: GraphQLNamedType) -> str:
if is_scalar_type(type_):
type_ = cast(GraphQLScalarType, type_)
return print_scalar(type_)
if is_object_type(type_):
type_ = cast(GraphQLObjectType, type_)
return print_object(type_)
if is_interface_type(type_):
type_ = cast(GraphQLInterfaceType, type_)
return print_interface(type_)
if is_union_type(type_):
type_ = cast(GraphQLUnionType, type_)
return print_union(type_)
if is_enum_type(type_):
type_ = cast(GraphQLEnumType, type_)
return print_enum(type_)
if is_input_object_type(type_):
type_ = cast(GraphQLInputObjectType, type_)
return print_input_object(type_)
# Not reachable. All possible types have been considered.
raise TypeError(f"Unexpected type: '{inspect(type_)}'.") # pragma: no cover
def returns_false_for_non_interface_type():
assert is_interface_type(ObjectType) is False
with raises(TypeError):
assert_interface_type(ObjectType)
def returns_false_for_wrapped_interface_type():
assert is_interface_type(GraphQLList(InterfaceType)) is False
with raises(TypeError):
assert_interface_type(GraphQLList(InterfaceType))
def returns_true_for_interface_type():
assert is_interface_type(InterfaceType) is True
assert_interface_type(InterfaceType)
