python-traits 4.6.0-1 / usr / lib / python2.7 / dist-packages / traits / tests / test_pickle_validated_dict.py

#  Copyright (c) 2007, Enthought, Inc.
#  All rights reserved.
#
#  This software is provided without warranty under the terms of the BSD
#  license included in /LICENSE.txt and may be redistributed only
#  under the conditions described in the aforementioned license.  The license
#  is also available online at http://www.enthought.com/licenses/BSD.txt

from __future__ import absolute_import

from cPickle import dumps, loads
from traits.testing.unittest_tools import unittest

from ..api import Dict, HasTraits, Int, List


class C(HasTraits):
    # A dict trait containing a list trait
    a = Dict(Int, List(Int))

    # And we must initialize it to something non-trivial
    def __init__(self):
        super(C, self).__init__()
        self.a = {1: [2, 3]}


class PickleValidatedDictTestCase(unittest.TestCase):
    def test(self):

        # And we must unpickle one
        x = dumps(C())
        try:
            loads(x)
        except AttributeError, e:
            self.fail('Unpickling raised an AttributeError: %s' % e)