import pytest

from pybind11_tests import pickling as m

try:

    import cPickle as pickle  # Use cPickle on Python 2.7

except ImportError:

    import pickle

@pytest.mark.parametrize("cls_name", ["Pickleable", "PickleableNew"])

def test_roundtrip(cls_name):

    cls = getattr(m, cls_name)

    p = cls("test_value")

    p.setExtra1(15)

    p.setExtra2(48)

    data = pickle.dumps(p, 2)  # Must use pickle protocol >= 2

    p2 = pickle.loads(data)

    assert p2.value() == p.value()

    assert p2.extra1() == p.extra1()

    assert p2.extra2() == p.extra2()

@pytest.unsupported_on_pypy

@pytest.mark.parametrize("cls_name", ["PickleableWithDict", "PickleableWithDictNew"])

def test_roundtrip_with_dict(cls_name):

    cls = getattr(m, cls_name)

    p = cls("test_value")

    p.extra = 15

    p.dynamic = "Attribute"

    data = pickle.dumps(p, pickle.HIGHEST_PROTOCOL)

    p2 = pickle.loads(data)

    assert p2.value == p.value

    assert p2.extra == p.extra

    assert p2.dynamic == p.dynamic

def test_enum_pickle():

    from pybind11_tests import enums as e

    data = pickle.dumps(e.EOne, 2)

    assert e.EOne == pickle.loads(data)