test_pickling.py revision 12037:d28054ac6ec9 
1import pytest
2
3try:
4    import cPickle as pickle  # Use cPickle on Python 2.7
5except ImportError:
6    import pickle
7
8
9def test_roundtrip():
10    from pybind11_tests import Pickleable
11
12    p = Pickleable("test_value")
13    p.setExtra1(15)
14    p.setExtra2(48)
15
16    data = pickle.dumps(p, 2)  # Must use pickle protocol >= 2
17    p2 = pickle.loads(data)
18    assert p2.value() == p.value()
19    assert p2.extra1() == p.extra1()
20    assert p2.extra2() == p.extra2()
21
22
23@pytest.unsupported_on_pypy
24def test_roundtrip_with_dict():
25    from pybind11_tests import PickleableWithDict
26
27    p = PickleableWithDict("test_value")
28    p.extra = 15
29    p.dynamic = "Attribute"
30
31    data = pickle.dumps(p, pickle.HIGHEST_PROTOCOL)
32    p2 = pickle.loads(data)
33    assert p2.value == p.value
34    assert p2.extra == p.extra
35    assert p2.dynamic == p.dynamic
36