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#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Author: Anirudh Vegesana (avegesan@cs.stanford.edu)
# Copyright (c) 2022-2023 The Uncertainty Quantification Foundation.
# License: 3-clause BSD. The full license text is available at:
# - https://github.com/uqfoundation/dill/blob/master/LICENSE
"""
test pickling a dataclass
"""
import dill
import dataclasses
def test_dataclasses():
# Issue #500
@dataclasses.dataclass
class A:
x: int
y: str
@dataclasses.dataclass
class B:
a: A
a = A(1, "test")
before = B(a)
save = dill.dumps(before)
after = dill.loads(save)
assert before != after # classes don't match
assert before == B(A(**dataclasses.asdict(after.a)))
assert dataclasses.asdict(before) == dataclasses.asdict(after)
if __name__ == '__main__':
test_dataclasses()