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#! /usr/bin/python
# -*- coding: utf-8 -*-
#
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc. All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Test for preservation of unknown fields in the pure Python implementation."""
__author__ = 'bohdank@google.com (Bohdan Koval)'
from google.apputils import basetest
from google.protobuf import unittest_mset_pb2
from google.protobuf import unittest_pb2
from google.protobuf.internal import encoder
from google.protobuf.internal import missing_enum_values_pb2
from google.protobuf.internal import test_util
from google.protobuf.internal import type_checkers
class UnknownFieldsTest(basetest.TestCase):
def setUp(self):
self.descriptor = unittest_pb2.TestAllTypes.DESCRIPTOR
self.all_fields = unittest_pb2.TestAllTypes()
test_util.SetAllFields(self.all_fields)
self.all_fields_data = self.all_fields.SerializeToString()
self.empty_message = unittest_pb2.TestEmptyMessage()
self.empty_message.ParseFromString(self.all_fields_data)
self.unknown_fields = self.empty_message._unknown_fields
def GetField(self, name):
field_descriptor = self.descriptor.fields_by_name[name]
wire_type = type_checkers.FIELD_TYPE_TO_WIRE_TYPE[field_descriptor.type]
field_tag = encoder.TagBytes(field_descriptor.number, wire_type)
result_dict = {}
for tag_bytes, value in self.unknown_fields:
if tag_bytes == field_tag:
decoder = unittest_pb2.TestAllTypes._decoders_by_tag[tag_bytes][0]
decoder(value, 0, len(value), self.all_fields, result_dict)
return result_dict[field_descriptor]
def testEnum(self):
value = self.GetField('optional_nested_enum')
self.assertEqual(self.all_fields.optional_nested_enum, value)
def testRepeatedEnum(self):
value = self.GetField('repeated_nested_enum')
self.assertEqual(self.all_fields.repeated_nested_enum, value)
def testVarint(self):
value = self.GetField('optional_int32')
self.assertEqual(self.all_fields.optional_int32, value)
def testFixed32(self):
value = self.GetField('optional_fixed32')
self.assertEqual(self.all_fields.optional_fixed32, value)
def testFixed64(self):
value = self.GetField('optional_fixed64')
self.assertEqual(self.all_fields.optional_fixed64, value)
def testLengthDelimited(self):
value = self.GetField('optional_string')
self.assertEqual(self.all_fields.optional_string, value)
def testGroup(self):
value = self.GetField('optionalgroup')
self.assertEqual(self.all_fields.optionalgroup, value)
def testSerialize(self):
data = self.empty_message.SerializeToString()
# Don't use assertEqual because we don't want to dump raw binary data to
# stdout.
self.assertTrue(data == self.all_fields_data)
def testCopyFrom(self):
message = unittest_pb2.TestEmptyMessage()
message.CopyFrom(self.empty_message)
self.assertEqual(self.unknown_fields, message._unknown_fields)
def testMergeFrom(self):
message = unittest_pb2.TestAllTypes()
message.optional_int32 = 1
message.optional_uint32 = 2
source = unittest_pb2.TestEmptyMessage()
source.ParseFromString(message.SerializeToString())
message.ClearField('optional_int32')
message.optional_int64 = 3
message.optional_uint32 = 4
destination = unittest_pb2.TestEmptyMessage()
destination.ParseFromString(message.SerializeToString())
unknown_fields = destination._unknown_fields[:]
destination.MergeFrom(source)
self.assertEqual(unknown_fields + source._unknown_fields,
destination._unknown_fields)
def testClear(self):
self.empty_message.Clear()
self.assertEqual(0, len(self.empty_message._unknown_fields))
def testByteSize(self):
self.assertEqual(self.all_fields.ByteSize(), self.empty_message.ByteSize())
def testUnknownExtensions(self):
message = unittest_pb2.TestEmptyMessageWithExtensions()
message.ParseFromString(self.all_fields_data)
self.assertEqual(self.empty_message._unknown_fields,
message._unknown_fields)
def testListFields(self):
# Make sure ListFields doesn't return unknown fields.
self.assertEqual(0, len(self.empty_message.ListFields()))
def testSerializeMessageSetWireFormatUnknownExtension(self):
# Create a message using the message set wire format with an unknown
# message.
raw = unittest_mset_pb2.RawMessageSet()
# Add an unknown extension.
item = raw.item.add()
item.type_id = 1545009
message1 = unittest_mset_pb2.TestMessageSetExtension1()
message1.i = 12345
item.message = message1.SerializeToString()
serialized = raw.SerializeToString()
# Parse message using the message set wire format.
proto = unittest_mset_pb2.TestMessageSet()
proto.MergeFromString(serialized)
# Verify that the unknown extension is serialized unchanged
reserialized = proto.SerializeToString()
new_raw = unittest_mset_pb2.RawMessageSet()
new_raw.MergeFromString(reserialized)
self.assertEqual(raw, new_raw)
def testEquals(self):
message = unittest_pb2.TestEmptyMessage()
message.ParseFromString(self.all_fields_data)
self.assertEqual(self.empty_message, message)
self.all_fields.ClearField('optional_string')
message.ParseFromString(self.all_fields.SerializeToString())
self.assertNotEqual(self.empty_message, message)
class UnknownFieldsTest(basetest.TestCase):
def setUp(self):
self.descriptor = missing_enum_values_pb2.TestEnumValues.DESCRIPTOR
self.message = missing_enum_values_pb2.TestEnumValues()
self.message.optional_nested_enum = (
missing_enum_values_pb2.TestEnumValues.ZERO)
self.message.repeated_nested_enum.extend([
missing_enum_values_pb2.TestEnumValues.ZERO,
missing_enum_values_pb2.TestEnumValues.ONE,
])
self.message.packed_nested_enum.extend([
missing_enum_values_pb2.TestEnumValues.ZERO,
missing_enum_values_pb2.TestEnumValues.ONE,
])
self.message_data = self.message.SerializeToString()
self.missing_message = missing_enum_values_pb2.TestMissingEnumValues()
self.missing_message.ParseFromString(self.message_data)
self.unknown_fields = self.missing_message._unknown_fields
def GetField(self, name):
field_descriptor = self.descriptor.fields_by_name[name]
wire_type = type_checkers.FIELD_TYPE_TO_WIRE_TYPE[field_descriptor.type]
field_tag = encoder.TagBytes(field_descriptor.number, wire_type)
result_dict = {}
for tag_bytes, value in self.unknown_fields:
if tag_bytes == field_tag:
decoder = missing_enum_values_pb2.TestEnumValues._decoders_by_tag[
tag_bytes][0]
decoder(value, 0, len(value), self.message, result_dict)
return result_dict[field_descriptor]
def testUnknownEnumValue(self):
self.assertFalse(self.missing_message.HasField('optional_nested_enum'))
value = self.GetField('optional_nested_enum')
self.assertEqual(self.message.optional_nested_enum, value)
def testUnknownRepeatedEnumValue(self):
value = self.GetField('repeated_nested_enum')
self.assertEqual(self.message.repeated_nested_enum, value)
def testUnknownPackedEnumValue(self):
value = self.GetField('packed_nested_enum')
self.assertEqual(self.message.packed_nested_enum, value)
def testRoundTrip(self):
new_message = missing_enum_values_pb2.TestEnumValues()
new_message.ParseFromString(self.missing_message.SerializeToString())
self.assertEqual(self.message, new_message)
if __name__ == '__main__':
basetest.main()
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