zipline/tests/test_pickle_serialization.py

54 lines
1.8 KiB
Python

#
# Copyright 2015 Quantopian, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from zipline.utils.serialization_utils import (
loads_with_persistent_ids, dumps_with_persistent_ids
)
from nose_parameterized import parameterized
from unittest import TestCase
from .serialization_cases import (
object_serialization_cases,
assert_dict_equal,
cases_env,
)
class PickleSerializationTestCase(TestCase):
@parameterized.expand(object_serialization_cases())
def test_object_serialization(self,
_,
cls,
initargs,
di_vars,
comparison_method='dict'):
obj = cls(*initargs)
for k, v in di_vars.items():
setattr(obj, k, v)
state = dumps_with_persistent_ids(obj)
obj2 = loads_with_persistent_ids(state, env=cases_env)
for k, v in di_vars.items():
setattr(obj2, k, v)
if comparison_method == 'repr':
self.assertEqual(obj.__repr__(), obj2.__repr__())
elif comparison_method == 'to_dict':
assert_dict_equal(obj.to_dict(), obj2.to_dict())
else:
assert_dict_equal(obj.__dict__, obj2.__dict__)