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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 sys
import proto
def test_composite_forward_ref():
class Spam(proto.Message):
foo = proto.Field(proto.MESSAGE, number=1, message="Foo")
eggs = proto.Field(proto.BOOL, number=2)
class Foo(proto.Message):
bar = proto.Field(proto.STRING, number=1)
baz = proto.Field(proto.INT64, number=2)
spam = Spam(foo=Foo(bar="str", baz=42))
assert spam.foo.bar == "str"
assert spam.foo.baz == 42
assert spam.eggs is False
def test_composite_forward_ref_with_package():
sys.modules[__name__].__protobuf__ = proto.module(package="abc.def")
try:
class Spam(proto.Message):
foo = proto.Field("Foo", number=1)
class Eggs(proto.Message):
foo = proto.Field("abc.def.Foo", number=1)
class Foo(proto.Message):
bar = proto.Field(proto.STRING, number=1)
baz = proto.Field(proto.INT64, number=2)
finally:
del sys.modules[__name__].__protobuf__
spam = Spam(foo=Foo(bar="str", baz=42))
eggs = Eggs(foo=Foo(bar="rts", baz=24))
assert spam.foo.bar == "str"
assert spam.foo.baz == 42
assert eggs.foo.bar == "rts"
assert eggs.foo.baz == 24
def test_composite_backward_ref():
class Foo(proto.Message):
bar = proto.Field(proto.STRING, number=1)
baz = proto.Field(proto.INT64, number=2)
class Spam(proto.Message):
foo = proto.Field(proto.MESSAGE, number=1, message=Foo)
eggs = proto.Field(proto.BOOL, number=2)
spam = Spam(foo=Foo(bar="str", baz=42))
assert spam.foo.bar == "str"
assert spam.foo.baz == 42
assert spam.eggs is False
def test_composite_multi_ref():
class Spam(proto.Message):
foo = proto.Field(proto.MESSAGE, number=1, message="Foo")
eggs = proto.Field(proto.BOOL, number=2)
class Foo(proto.Message):
bar = proto.Field(proto.STRING, number=1)
baz = proto.Field(proto.INT64, number=2)
class Bacon(proto.Message):
foo = proto.Field(proto.MESSAGE, number=1, message=Foo)
spam = Spam(foo=Foo(bar="str", baz=42))
bacon = Bacon(foo=spam.foo)
assert spam.foo.bar == "str"
assert spam.foo.baz == 42
assert spam.eggs is False
assert bacon.foo == spam.foo
def test_composite_self_ref():
class Spam(proto.Message):
spam = proto.Field(proto.MESSAGE, number=1, message="Spam")
eggs = proto.Field(proto.BOOL, number=2)
spam = Spam(spam=Spam(eggs=True))
assert spam.eggs is False
assert spam.spam.eggs is True
assert type(spam) is type(spam.spam) # noqa: E0721
assert not spam.spam.spam
assert spam.spam.spam.eggs is False
assert not spam.spam.spam.spam.spam.spam.spam.spam
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