201 lines
7 KiB
Python
201 lines
7 KiB
Python
# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the 'License'). You
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# may not use this file except in compliance with the License. A copy of
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# the License is located at
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#
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# https://aws.amazon.com/apache2.0/
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#
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# or in the 'license' file accompanying this file. This file is
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# distributed on an 'AS IS' BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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# ANY KIND, either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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from decimal import Decimal
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import pytest
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from tests import unittest
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from boto3.dynamodb.types import Binary, TypeSerializer, TypeDeserializer
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class TestBinary(unittest.TestCase):
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def test_bytes_input(self):
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data = Binary(b'\x01')
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assert b'\x01' == data
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assert b'\x01' == data.value
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def test_non_ascii_bytes_input(self):
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# Binary data that is out of ASCII range
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data = Binary(b'\x88')
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assert b'\x88' == data
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assert b'\x88' == data.value
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def test_bytearray_input(self):
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data = Binary(bytearray([1]))
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assert b'\x01' == data
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assert b'\x01' == data.value
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def test_unicode_throws_error(self):
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with pytest.raises(TypeError):
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Binary(u'\u00e9')
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def test_integer_throws_error(self):
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with pytest.raises(TypeError):
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Binary(1)
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def test_not_equal(self):
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assert Binary(b'\x01') != b'\x02'
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def test_str(self):
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assert Binary(b'\x01').__str__() == b'\x01'
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def test_bytes(self):
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self.assertEqual(bytes(Binary(b'\x01')), b'\x01')
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def test_repr(self):
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assert 'Binary' in repr(Binary(b'1'))
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class TestSerializer(unittest.TestCase):
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def setUp(self):
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self.serializer = TypeSerializer()
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def test_serialize_unsupported_type(self):
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with pytest.raises(TypeError, match=r'Unsupported type'):
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self.serializer.serialize(object())
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def test_serialize_null(self):
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assert self.serializer.serialize(None) == {'NULL': True}
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def test_serialize_boolean(self):
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assert self.serializer.serialize(False) == {'BOOL': False}
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def test_serialize_integer(self):
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assert self.serializer.serialize(1) == {'N': '1'}
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def test_serialize_decimal(self):
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assert self.serializer.serialize(Decimal('1.25')) == {'N': '1.25'}
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def test_serialize_float_error(self):
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error_msg = r'Float types are not supported. Use Decimal types instead'
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with pytest.raises(TypeError, match=error_msg):
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self.serializer.serialize(1.25)
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def test_serialize_NaN_error(self):
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with pytest.raises(TypeError, match=r'Infinity and NaN not supported'):
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self.serializer.serialize(Decimal('NaN'))
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def test_serialize_string(self):
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assert self.serializer.serialize('foo') == {'S': 'foo'}
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def test_serialize_binary(self):
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assert self.serializer.serialize(Binary(b'\x01')) == {'B': b'\x01'}
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def test_serialize_bytearray(self):
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assert self.serializer.serialize(bytearray([1])) == {'B': b'\x01'}
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def test_serialize_bytes(self):
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assert self.serializer.serialize(b'\x01') == {'B': b'\x01'}
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def test_serialize_number_set(self):
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serialized_value = self.serializer.serialize(set([1, 2, 3]))
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assert len(serialized_value) == 1
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assert 'NS' in serialized_value
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self.assertCountEqual(serialized_value['NS'], ['1', '2', '3'])
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def test_serialize_string_set(self):
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serialized_value = self.serializer.serialize(set(['foo', 'bar']))
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assert len(serialized_value) == 1
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assert 'SS' in serialized_value
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self.assertCountEqual(serialized_value['SS'], ['foo', 'bar'])
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def test_serialize_binary_set(self):
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serialized_value = self.serializer.serialize(
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set([Binary(b'\x01'), Binary(b'\x02')]))
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assert len(serialized_value) == 1
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assert 'BS' in serialized_value
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self.assertCountEqual(serialized_value['BS'], [b'\x01', b'\x02'])
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def test_serialize_list(self):
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serialized_value = self.serializer.serialize(['foo', 1, [1]])
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assert len(serialized_value) == 1
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assert 'L' in serialized_value
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self.assertCountEqual(
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serialized_value['L'],
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[{'S': 'foo'}, {'N': '1'}, {'L': [{'N': '1'}]}]
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)
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def test_serialize_tuple(self):
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serialized_value = self.serializer.serialize(('foo', 1, (1,)))
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self.assertEqual(len(serialized_value), 1)
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self.assertIn('L', serialized_value)
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self.assertCountEqual(
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serialized_value['L'],
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[{'S': 'foo'}, {'N': '1'}, {'L': [{'N': '1'}]}]
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)
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def test_serialize_map(self):
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serialized_value = self.serializer.serialize(
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{'foo': 'bar', 'baz': {'biz': 1}}
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)
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assert serialized_value == {
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'M': {
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'foo': {'S': 'bar'},
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'baz': {'M': {'biz': {'N': '1'}}}
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}
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}
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class TestDeserializer(unittest.TestCase):
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def setUp(self):
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self.deserializer = TypeDeserializer()
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def test_deserialize_invalid_type(self):
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with pytest.raises(TypeError, match=r'FOO is not supported'):
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self.deserializer.deserialize({'FOO': 'bar'})
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def test_deserialize_empty_structure(self):
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with pytest.raises(TypeError, match=r'Value must be a nonempty'):
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self.assertEqual(self.deserializer.deserialize({}), {})
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def test_deserialize_null(self):
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assert self.deserializer.deserialize({"NULL": True}) is None
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def test_deserialize_boolean(self):
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assert self.deserializer.deserialize({"BOOL": False}) is False
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def test_deserialize_integer(self):
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assert self.deserializer.deserialize({'N': '1'}) == Decimal('1')
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def test_deserialize_decimal(self):
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assert self.deserializer.deserialize({'N': '1.25'}) == Decimal('1.25')
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def test_deserialize_string(self):
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assert self.deserializer.deserialize({'S': 'foo'}) == 'foo'
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def test_deserialize_binary(self):
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assert self.deserializer.deserialize({'B': b'\x00'}) == Binary(b'\x00')
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def test_deserialize_number_set(self):
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assert self.deserializer.deserialize(
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{'NS': ['1', '1.25']}) == set([Decimal('1'), Decimal('1.25')])
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def test_deserialize_string_set(self):
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assert self.deserializer.deserialize(
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{'SS': ['foo', 'bar']}) == set(['foo', 'bar'])
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def test_deserialize_binary_set(self):
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assert self.deserializer.deserialize(
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{'BS': [b'\x00', b'\x01']}) == set([Binary(b'\x00'), Binary(b'\x01')])
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def test_deserialize_list(self):
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assert self.deserializer.deserialize(
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{'L': [{'N': '1'}, {'S': 'foo'}, {'L': [{'N': '1.25'}]}]}
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) == [Decimal('1'), 'foo', [Decimal('1.25')]]
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def test_deserialize_map(self):
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assert self.deserializer.deserialize(
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{'M': {'foo': {'S': 'mystring'}, 'bar': {'M': {'baz': {'N': '1'}}}}}
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) == {'foo': 'mystring', 'bar': {'baz': Decimal('1')}}
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