109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
# Copyright 2017 - Nokia Networks.
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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 mistral import serialization
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from mistral.tests.unit import base
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class MyClass(serialization.MistralSerializable):
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def __init__(self, a, b):
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self.a = a
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self.b = b
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def __eq__(self, other):
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if not isinstance(other, MyClass):
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return False
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return other.a == self.a and other.b == self.b
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class MyClassSerializer(serialization.DictBasedSerializer):
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def serialize_to_dict(self, entity):
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return {'a': entity.a, 'b': entity.b}
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def deserialize_from_dict(self, entity_dict):
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return MyClass(entity_dict['a'], entity_dict['b'])
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class SerializationTest(base.BaseTest):
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def setUp(self):
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super(SerializationTest, self).setUp()
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serialization.register_serializer(MyClass, MyClassSerializer())
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self.addCleanup(serialization.unregister_serializer, MyClass)
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def test_dict_based_serializer(self):
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obj = MyClass('a', 'b')
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serializer = MyClassSerializer()
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s = serializer.serialize(obj)
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self.assertEqual(obj, serializer.deserialize(s))
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self.assertIsNone(serializer.serialize(None))
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self.assertIsNone(serializer.deserialize(None))
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def test_polymorphic_serializer_primitive_types(self):
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serializer = serialization.get_polymorphic_serializer()
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self.assertEqual(17, serializer.deserialize(serializer.serialize(17)))
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self.assertEqual(
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0.34,
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serializer.deserialize(serializer.serialize(0.34))
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)
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self.assertEqual(-5, serializer.deserialize(serializer.serialize(-5)))
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self.assertEqual(
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-6.3,
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serializer.deserialize(serializer.serialize(-6.3))
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)
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self.assertFalse(serializer.deserialize(serializer.serialize(False)))
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self.assertTrue(serializer.deserialize(serializer.serialize(True)))
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self.assertEqual(
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'abc',
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serializer.deserialize(serializer.serialize('abc'))
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)
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self.assertEqual(
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{'a': 'b', 'c': 'd'},
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serializer.deserialize(serializer.serialize({'a': 'b', 'c': 'd'}))
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)
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self.assertEqual(
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['a', 'b', 'c'],
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serializer.deserialize(serializer.serialize(['a', 'b', 'c']))
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)
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def test_polymorphic_serializer_custom_object(self):
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serializer = serialization.get_polymorphic_serializer()
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obj = MyClass('a', 'b')
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s = serializer.serialize(obj)
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self.assertIn('__serial_key', s)
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self.assertIn('__serial_data', s)
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self.assertEqual(obj, serializer.deserialize(s))
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self.assertIsNone(serializer.serialize(None))
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self.assertIsNone(serializer.deserialize(None))
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def test_register_twice(self):
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self.assertRaises(
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RuntimeError,
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serialization.register_serializer,
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MyClass,
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MyClassSerializer()
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)
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