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237 lines
7.0 KiB
237 lines
7.0 KiB
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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from unittest.mock import patch
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from types import SimpleNamespace
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import pytest
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from trezorlib import protobuf
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SimpleEnum = SimpleNamespace(FOO=0, BAR=5, QUUX=13)
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SimpleEnumType = protobuf.EnumType("SimpleEnum", (0, 5, 13))
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with_simple_enum = patch("trezorlib.messages.SimpleEnum", SimpleEnum, create=True)
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class SimpleMessage(protobuf.MessageType):
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@classmethod
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def get_fields(cls):
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return {
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1: ("uvarint", protobuf.UVarintType, 0),
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2: ("svarint", protobuf.SVarintType, 0),
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3: ("bool", protobuf.BoolType, 0),
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4: ("bytes", protobuf.BytesType, 0),
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5: ("unicode", protobuf.UnicodeType, 0),
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6: ("enum", SimpleEnumType, 0),
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7: ("rep_int", protobuf.UVarintType, protobuf.FLAG_REPEATED),
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8: ("rep_str", protobuf.UnicodeType, protobuf.FLAG_REPEATED),
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9: ("rep_enum", SimpleEnumType, protobuf.FLAG_REPEATED),
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}
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class NestedMessage(protobuf.MessageType):
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@classmethod
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def get_fields(cls):
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return {
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1: ("scalar", protobuf.UVarintType, 0),
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2: ("nested", SimpleMessage, 0),
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3: ("repeated", SimpleMessage, protobuf.FLAG_REPEATED),
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}
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def test_get_field_type():
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# smoke test
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assert SimpleMessage.get_field_type("bool") is protobuf.BoolType
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# full field list
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for fname, ftype, _ in SimpleMessage.get_fields().values():
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assert SimpleMessage.get_field_type(fname) is ftype
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@with_simple_enum
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def test_enum_to_str():
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# smoke test
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assert SimpleEnumType.to_str(5) == "BAR"
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# full value list
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for name, value in SimpleEnum.__dict__.items():
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assert SimpleEnumType.to_str(value) == name
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assert SimpleEnumType.from_str(name) == value
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with pytest.raises(TypeError):
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SimpleEnumType.from_str("NotAValidValue")
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with pytest.raises(TypeError):
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SimpleEnumType.to_str(999)
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@with_simple_enum
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def test_dict_roundtrip():
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msg = SimpleMessage(
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uvarint=5,
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svarint=-13,
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bool=False,
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bytes=b"\xca\xfe\x00\xfe",
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unicode="žluťoučký kůň",
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enum=5,
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rep_int=[1, 2, 3],
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rep_str=["a", "b", "c"],
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rep_enum=[0, 5, 13],
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)
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converted = protobuf.to_dict(msg)
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recovered = protobuf.dict_to_proto(SimpleMessage, converted)
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assert recovered == msg
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@with_simple_enum
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def test_to_dict():
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msg = SimpleMessage(
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uvarint=5,
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svarint=-13,
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bool=False,
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bytes=b"\xca\xfe\x00\xfe",
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unicode="žluťoučký kůň",
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enum=5,
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rep_int=[1, 2, 3],
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rep_str=["a", "b", "c"],
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rep_enum=[0, 5, 13],
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)
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converted = protobuf.to_dict(msg)
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fields = [fname for fname, _, _ in msg.get_fields().values()]
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assert list(sorted(converted.keys())) == list(sorted(fields))
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assert converted["uvarint"] == 5
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assert converted["svarint"] == -13
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assert converted["bool"] is False
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assert converted["bytes"] == "cafe00fe"
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assert converted["unicode"] == "žluťoučký kůň"
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assert converted["enum"] == "BAR"
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assert converted["rep_int"] == [1, 2, 3]
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assert converted["rep_str"] == ["a", "b", "c"]
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assert converted["rep_enum"] == ["FOO", "BAR", "QUUX"]
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@with_simple_enum
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def test_recover_mismatch():
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dictdata = {
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"bool": True,
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"enum": "FOO",
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"another_field": "hello",
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"rep_enum": ["FOO", 5, 5],
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}
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recovered = protobuf.dict_to_proto(SimpleMessage, dictdata)
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assert recovered.bool is True
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assert recovered.enum is SimpleEnum.FOO
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assert not hasattr(recovered, "another_field")
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assert recovered.rep_enum == [SimpleEnum.FOO, SimpleEnum.BAR, SimpleEnum.BAR]
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for name, _, flags in SimpleMessage.get_fields().values():
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if name not in dictdata:
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if flags == protobuf.FLAG_REPEATED:
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assert getattr(recovered, name) == []
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else:
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assert getattr(recovered, name) is None
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@with_simple_enum
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def test_hexlify():
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msg = SimpleMessage(bytes=b"\xca\xfe\x00\x12\x34", unicode="žluťoučký kůň")
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converted_nohex = protobuf.to_dict(msg, hexlify_bytes=False)
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converted_hex = protobuf.to_dict(msg, hexlify_bytes=True)
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assert converted_nohex["bytes"] == b"\xca\xfe\x00\x12\x34"
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assert converted_nohex["unicode"] == "žluťoučký kůň"
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assert converted_hex["bytes"] == "cafe001234"
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assert converted_hex["unicode"] == "žluťoučký kůň"
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recovered_nohex = protobuf.dict_to_proto(SimpleMessage, converted_nohex)
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recovered_hex = protobuf.dict_to_proto(SimpleMessage, converted_hex)
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assert recovered_nohex.bytes == msg.bytes
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assert recovered_hex.bytes == msg.bytes
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@with_simple_enum
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def test_nested_round_trip():
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msg = NestedMessage(
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scalar=9,
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nested=SimpleMessage(uvarint=4, enum=SimpleEnum.FOO),
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repeated=[
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SimpleMessage(),
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SimpleMessage(rep_enum=[SimpleEnum.BAR, SimpleEnum.BAR]),
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SimpleMessage(bytes=b"\xca\xfe"),
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],
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)
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converted = protobuf.to_dict(msg)
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recovered = protobuf.dict_to_proto(NestedMessage, converted)
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assert msg == recovered
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@with_simple_enum
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def test_nested_to_dict():
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msg = NestedMessage(
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scalar=9,
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nested=SimpleMessage(uvarint=4, enum=SimpleEnum.FOO),
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repeated=[
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SimpleMessage(),
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SimpleMessage(rep_enum=[SimpleEnum.BAR, SimpleEnum.BAR]),
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SimpleMessage(bytes=b"\xca\xfe"),
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],
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)
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converted = protobuf.to_dict(msg)
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assert converted["scalar"] == 9
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assert isinstance(converted["nested"], dict)
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assert isinstance(converted["repeated"], list)
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rep = converted["repeated"]
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assert rep[0] == {}
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assert rep[1] == {"rep_enum": ["BAR", "BAR"]}
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assert rep[2] == {"bytes": "cafe"}
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@with_simple_enum
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def test_nested_recover():
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dictdata = {"nested": {}}
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recovered = protobuf.dict_to_proto(NestedMessage, dictdata)
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assert isinstance(recovered.nested, SimpleMessage)
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@with_simple_enum
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def test_unknown_enum_to_str():
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simple = SimpleMessage(enum=SimpleEnum.QUUX)
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string = protobuf.format_message(simple)
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assert "enum: QUUX (13)" in string
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simple = SimpleMessage(enum=6000)
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string = protobuf.format_message(simple)
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assert "enum: 6000" in string
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@with_simple_enum
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def test_unknown_enum_to_dict():
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simple = SimpleMessage(enum=6000)
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converted = protobuf.to_dict(simple)
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assert converted["enum"] == 6000
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