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from cPickle import dumps, loads
import unittest
from enthought.traits.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)
# Here is a hack to work around a testoob+traits error:
#
# Traceback (most recent call last):
# File "/src/enthought/src/lib/enthought/traits/tests/regression/pickle_validated_dict_test_case.py", line 21, in test
# x = dumps(C())
# PicklingError: Can't pickle <class 'pickle_validated_dict_test_case.C'>: import of module pickle_validated_dict_test_case failed
#
# We simply force the two classes to be the same.
import pickle_validated_dict_test_case
pickle_validated_dict_test_case.C = C
if __name__ == '__main__':
import sys
unittest.main(argv=sys.argv)
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