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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.
from unittest import mock
import inspect
import sys
from google.protobuf import wrappers_pb2
import proto
def test_module_package():
sys.modules[__name__].__protobuf__ = proto.module(package="spam.eggs.v1")
try:
class Foo(proto.Message):
bar = proto.Field(proto.INT32, number=1)
marshal = proto.Marshal(name="spam.eggs.v1")
assert Foo.meta.package == "spam.eggs.v1"
assert Foo.pb() in marshal._rules
finally:
del sys.modules[__name__].__protobuf__
def test_module_package_cross_api():
sys.modules[__name__].__protobuf__ = proto.module(package="spam.eggs.v1")
try:
class Baz(proto.Message):
foo = proto.RepeatedField(proto.INT64, number=1)
marshal = proto.Marshal(name="spam.eggs.v1")
assert Baz.meta.package == "spam.eggs.v1"
assert Baz.pb() in marshal._rules
sys.modules[__name__].__protobuf__ = proto.module(package="ham.pancakes.v1")
class AnotherMessage(proto.Message):
qux = proto.Field(proto.MESSAGE, number=1, message=Baz)
marshal = proto.Marshal(name="ham.pancakes.v1")
assert AnotherMessage.meta.package == "ham.pancakes.v1"
assert AnotherMessage.pb() in marshal._rules
# Confirm that Baz.pb() is no longer present in marshal._rules
assert Baz.pb() not in marshal._rules
# Test using multiple packages together
# See https://github.com/googleapis/proto-plus-python/issues/349.
msg = AnotherMessage(qux=Baz())
assert type(msg) == AnotherMessage
finally:
del sys.modules[__name__].__protobuf__
def test_module_package_explicit_marshal():
sys.modules[__name__].__protobuf__ = proto.module(
package="spam.eggs.v1",
marshal="foo",
)
try:
class Foo(proto.Message):
bar = proto.Field(proto.INT32, number=1)
marshal = proto.Marshal(name="foo")
assert Foo.meta.package == "spam.eggs.v1"
assert Foo.pb() in marshal._rules
finally:
del sys.modules[__name__].__protobuf__
def test_module_manifest():
__protobuf__ = proto.module(
manifest={"Foo", "Bar", "Baz"},
package="spam.eggs.v1",
)
# We want to fake a module, but modules have attribute access, and
# `frame.f_locals` is a dictionary. Since we only actually care about
# getattr, this is reasonably easy to shim over.
frame = inspect.currentframe()
with mock.patch.object(inspect, "getmodule") as getmodule:
getmodule.side_effect = lambda *a: View(frame.f_locals)
class Foo(proto.Message):
a = proto.Field(wrappers_pb2.Int32Value, number=1)
class Bar(proto.Message):
b = proto.Field(proto.MESSAGE, number=1, message=Foo)
assert not Foo.pb()
assert not Bar.pb()
class Baz(proto.Message):
c = proto.Field(wrappers_pb2.BoolValue, number=1)
assert Foo.pb()
assert Bar.pb()
assert Baz.pb()
foo = Foo(a=12)
bar = Bar(b=Foo(a=24))
baz = Baz(c=False)
assert foo.a == 12
assert bar.b.a == 24
assert baz.c is False
class View:
"""A view around a mapping, for attribute-like access."""
def __init__(self, mapping):
self._mapping = mapping
def __getattr__(self, name):
if name not in self._mapping:
raise AttributeError
return self._mapping[name]
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