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from __future__ import unicode_literals
import pytest
from rlp import SerializationError
from rlp import infer_sedes, Serializable, encode, decode, make_immutable, make_mutable
from rlp.sedes import big_endian_int, binary, List
class Test1(Serializable):
fields = [
('field1', big_endian_int),
('field2', binary),
('field3', List((big_endian_int, binary)))
]
class Test2(Serializable):
fields = [
('field1', Test1),
('field2', List((Test1, Test1))),
]
def test_serializable():
t1a_data = (5, 'a', (0, ''))
t1b_data = (9, 'b', (2, ''))
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
# equality
assert test1a == test1a
assert test1b == test1b
assert test2 == test2
assert test1a != test1b
assert test1b != test2
assert test2 != test1a
# mutability
test1a.field1 += 1
test1a.field2 = 'x'
assert test1a.field1 == 6
assert test1a.field2 == 'x'
test1a.field1 -= 1
test1a.field2 = 'a'
assert test1a.field1 == 5
assert test1a.field2 == 'a'
# inference
assert infer_sedes(test1a) == Test1
assert infer_sedes(test1b) == Test1
assert infer_sedes(test2) == Test2
# serialization
with pytest.raises(SerializationError):
Test1.serialize(test2)
with pytest.raises(SerializationError):
Test2.serialize(test1a)
with pytest.raises(SerializationError):
Test2.serialize(test1b)
serial_1a = Test1.serialize(test1a)
serial_1b = Test1.serialize(test1b)
serial_2 = Test2.serialize(test2)
assert serial_1a == [b'\x05', b'a', [b'', b'']]
assert serial_1b == [b'\x09', b'b', [b'\x02', b'']]
assert serial_2 == [serial_1a, [serial_1a, serial_1b]]
# deserialization
test1a_d = Test1.deserialize(serial_1a)
test1b_d = Test1.deserialize(serial_1b)
test2_d = Test2.deserialize(serial_2, mutable=True)
assert not test1a_d.is_mutable()
assert not test1b_d.is_mutable()
assert test2_d.is_mutable()
for obj in (test1a_d, test1b_d):
before1 = obj.field1
before2 = obj.field2
with pytest.raises(ValueError):
obj.field1 += 1
with pytest.raises(ValueError):
obj.field2 = 'x'
assert obj.field1 == before1
assert obj.field2 == before2
assert test1a_d == test1a
assert test1b_d == test1b
assert test2_d == test2
# encoding and decoding
for obj in (test1a, test1b, test2):
rlp_code = encode(obj)
assert obj._cached_rlp is None
assert obj.is_mutable()
assert encode(obj, cache=True) == rlp_code
assert obj._cached_rlp == rlp_code
assert not obj.is_mutable()
assert encode(obj, cache=True) == rlp_code
assert obj._cached_rlp == rlp_code
assert not obj.is_mutable()
assert encode(obj) == rlp_code
assert obj._cached_rlp == rlp_code
assert not obj.is_mutable()
obj_decoded = decode(rlp_code, obj.__class__)
assert obj_decoded == obj
assert not obj_decoded.is_mutable()
assert obj_decoded._cached_rlp == rlp_code
def test_make_immutable():
assert make_immutable(1) == 1
assert make_immutable('a') == 'a'
assert make_immutable((1, 2, 3)) == (1, 2, 3)
assert make_immutable([1, 2, 'a']) == (1, 2, 'a')
assert make_immutable([[1], [2, [3], 4], 5, 6]) == ((1,), (2, (3,), 4), 5, 6)
t1a_data = (5, 'a', (0, ''))
t1b_data = (9, 'b', (2, ''))
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
assert test2.is_mutable()
assert test2.field1.is_mutable()
assert test2.field2[0].is_mutable()
assert test2.field2[1].is_mutable()
test2.make_immutable()
assert not test2.is_mutable()
assert not test1a.is_mutable()
assert not test1b.is_mutable()
assert test2.field1 == test1a
assert test2.field2 == (test1a, test1b)
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
assert test2.is_mutable()
assert test2.field1.is_mutable()
assert test2.field2[0].is_mutable()
assert test2.field2[1].is_mutable()
assert make_immutable([test1a, [test2, test1b]]) == (test1a, (test2, test1b))
assert not test2.is_mutable()
assert not test1a.is_mutable()
assert not test1b.is_mutable()
def test_make_mutable():
assert make_mutable(1) == 1
assert make_mutable('a') == 'a'
assert make_mutable((1, 2, 3)) == [1, 2, 3]
assert make_mutable([1, 2, 'a']) == [1, 2, 'a']
assert make_mutable([[1], [2, [3], 4], 5, 6]) == [[1,], [2, [3,], 4], 5, 6]
t1a_data = (5, 'a', (0, ''))
t1b_data = (9, 'b', (2, ''))
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
test1a.make_immutable()
test1b.make_immutable()
test2.make_immutable()
assert not test2.is_mutable()
assert not test2.field1.is_mutable()
assert not test2.field2[0].is_mutable()
assert not test2.field2[1].is_mutable()
test2.make_mutable()
assert test2.is_mutable()
assert test2.field2[0].is_mutable()
assert test2.field2[1].is_mutable()
assert test1a.is_mutable()
assert test1b.is_mutable()
assert test2.field1 == test1a
assert test2.field2 == [test1a, test1b]
test1a = Test1(*t1a_data)
test1b = Test1(*t1b_data)
test2 = Test2(test1a, [test1a, test1b])
test1a.make_immutable()
test1b.make_immutable()
test2.make_immutable()
assert not test2.is_mutable()
assert not test2.field1.is_mutable()
assert not test2.field2[0].is_mutable()
assert not test2.field2[1].is_mutable()
assert make_mutable([test1a, [test2, test1b]]) == [test1a, [test2, test1b]]
assert test2.is_mutable()
assert test1a.is_mutable()
assert test1b.is_mutable()
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