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# Copyright 2020 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
import proto
def test_optional_init():
class Squid(proto.Message):
mass_kg = proto.Field(proto.INT32, number=1, optional=True)
squid_1 = Squid(mass_kg=20)
squid_2 = Squid()
assert Squid.mass_kg in squid_1
assert squid_1.mass_kg == 20
assert not Squid.mass_kg in squid_2
squid_2.mass_kg = 30
assert squid_2.mass_kg == 30
assert Squid.mass_kg in squid_2
del squid_1.mass_kg
assert not Squid.mass_kg in squid_1
with pytest.raises(AttributeError):
Squid.shell
def test_optional_and_oneof():
# This test is a defensive check that synthetic oneofs
# don't interfere with user defined oneofs.
# Oneof defined before an optional
class Squid(proto.Message):
mass_kg = proto.Field(proto.INT32, number=1, oneof="mass")
mass_lbs = proto.Field(proto.INT32, number=2, oneof="mass")
iridiphore_num = proto.Field(proto.INT32, number=3, optional=True)
s = Squid(mass_kg=20)
assert s.mass_kg == 20
assert not s.mass_lbs
assert not Squid.iridiphore_num in s
s.iridiphore_num = 600
assert s.mass_kg == 20
assert not s.mass_lbs
assert Squid.iridiphore_num in s
s = Squid(mass_lbs=40, iridiphore_num=600)
assert not s.mass_kg
assert s.mass_lbs == 40
assert s.iridiphore_num == 600
# Oneof defined after an optional
class Clam(proto.Message):
flute_radius = proto.Field(proto.INT32, number=1, optional=True)
mass_kg = proto.Field(proto.INT32, number=2, oneof="mass")
mass_lbs = proto.Field(proto.INT32, number=3, oneof="mass")
c = Clam(mass_kg=20)
assert c.mass_kg == 20
assert not c.mass_lbs
assert not Clam.flute_radius in c
c.flute_radius = 30
assert c.mass_kg == 20
assert not c.mass_lbs
c = Clam(mass_lbs=40, flute_radius=30)
assert c.mass_lbs == 40
assert not c.mass_kg
assert c.flute_radius == 30
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