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# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import pytest
from google.protobuf import empty_pb2
from proto.marshal.marshal import BaseMarshal
def test_registration():
marshal = BaseMarshal()
@marshal.register(empty_pb2.Empty)
class Rule:
def to_proto(self, value):
return value
def to_python(self, value, *, absent=None):
return value
assert isinstance(marshal._rules[empty_pb2.Empty], Rule)
def test_invalid_marshal_class():
marshal = BaseMarshal()
with pytest.raises(TypeError):
@marshal.register(empty_pb2.Empty)
class Marshal:
pass
def test_invalid_marshal_rule():
marshal = BaseMarshal()
with pytest.raises(TypeError):
marshal.register(empty_pb2.Empty, rule=object())
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