saving dependency work

lib/python3.9/site-packages/dill/tests/test_properties.py

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+#!/usr/bin/env python
+#
+# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
+# Copyright (c) 2008-2016 California Institute of Technology.
+# Copyright (c) 2016-2022 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()