name : test_properties.py #!/usr/bin/env python # # Author: Mike McKerns (mmckerns @caltech and @uqfoundation) # Copyright (c) 2008-2016 California Institute of Technology. # Copyright (c) 2016-2023 The Uncertainty Quantification Foundation. # License: 3-clause BSD. The full license text is available at: # - https://github.com/uqfoundation/dill/blob/master/LICENSE import sys import dill dill.settings['recurse'] = True class Foo(object): def __init__(self): self._data = 1 def _get_data(self): return self._data def _set_data(self, x): self._data = x data = property(_get_data, _set_data) def test_data_not_none(): FooS = dill.copy(Foo) assert FooS.data.fget is not None assert FooS.data.fset is not None assert FooS.data.fdel is None def test_data_unchanged(): FooS = dill.copy(Foo) try: res = FooS().data except Exception: e = sys.exc_info()[1] raise AssertionError(str(e)) else: assert res == 1 def test_data_changed(): FooS = dill.copy(Foo) try: f = FooS() f.data = 1024 res = f.data except Exception: e = sys.exc_info()[1] raise AssertionError(str(e)) else: assert res == 1024 if __name__ == '__main__': test_data_not_none() test_data_unchanged() test_data_changed()