from enum import Enum from pyrsistent import field, pvector_field class ExampleEnum(Enum): x = 1 y = 2 def test_enum(): f = field(type=ExampleEnum) assert ExampleEnum in f.type assert len(f.type) == 1 # This is meant to exercise `_seq_field`. def test_pvector_field_enum_type(): f = pvector_field(ExampleEnum) assert len(f.type) == 1 assert ExampleEnum is list(f.type)[0].__type__