mirror of
https://github.com/wassname/catalyst.git
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Dale Jung
7892a6943f
on the number of per-tick update that occur since they were duplicated per each PerformancePeriod. Also opens up the path to cythonizing the entire object
87 lines
2.6 KiB
Python
87 lines
2.6 KiB
Python
#
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# Copyright 2015 Quantopian, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from nose_parameterized import parameterized
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from unittest import TestCase
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from .serialization_cases import (
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object_serialization_cases,
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assert_dict_equal
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)
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from six import iteritems
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def gather_bad_dicts(state):
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bad = []
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for k, v in iteritems(state):
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if not isinstance(v, dict):
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continue
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if type(v) != dict:
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bad.append((k, v))
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bad.extend(gather_bad_dicts(v))
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return bad
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class SerializationTestCase(TestCase):
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@parameterized.expand(object_serialization_cases())
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def test_object_serialization(self,
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_,
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cls,
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initargs,
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di_vars,
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comparison_method='dict'):
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obj = cls(*initargs)
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for k, v in di_vars.items():
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setattr(obj, k, v)
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state = obj.__getstate__()
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bad_dicts = gather_bad_dicts(state)
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bad_template = "type({0}) == {1}".format
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bad_msgs = [bad_template(k, type(v)) for k, v in bad_dicts]
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msg = "Only support bare dicts. " + ', '.join(bad_msgs)
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self.assertEqual(len(bad_dicts), 0, msg)
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# no state should have a dict subclass. Only regular PyDict
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if hasattr(obj, '__getinitargs__'):
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initargs = obj.__getinitargs__()
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else:
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initargs = None
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if hasattr(obj, '__getnewargs__'):
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newargs = obj.__getnewargs__()
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else:
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newargs = None
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if newargs is not None:
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obj2 = cls.__new__(cls, *newargs)
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else:
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obj2 = cls.__new__(cls)
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if initargs is not None:
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obj2.__init__(*initargs)
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obj2.__setstate__(state)
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for k, v in di_vars.items():
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setattr(obj2, k, v)
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if comparison_method == 'repr':
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self.assertEqual(obj.__repr__(), obj2.__repr__())
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elif comparison_method == 'to_dict':
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assert_dict_equal(obj.to_dict(), obj2.to_dict())
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else:
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assert_dict_equal(obj.__dict__, obj2.__dict__)
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