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#! /usr/bin/python
#
# 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.
"""Tests for google.protobuf.message_factory."""
__author__ = 'matthewtoia@google.com (Matt Toia)'
from google.apputils import basetest
from google.protobuf import descriptor_pb2
from google.protobuf.internal import factory_test1_pb2
from google.protobuf.internal import factory_test2_pb2
from google.protobuf import descriptor_database
from google.protobuf import descriptor_pool
from google.protobuf import message_factory
class MessageFactoryTest(basetest.TestCase):
def setUp(self):
self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test1_pb2.DESCRIPTOR.serialized_pb)
self.factory_test2_fd = descriptor_pb2.FileDescriptorProto.FromString(
factory_test2_pb2.DESCRIPTOR.serialized_pb)
def _ExerciseDynamicClass(self, cls):
msg = cls()
msg.mandatory = 42
msg.nested_factory_2_enum = 0
msg.nested_factory_2_message.value = 'nested message value'
msg.factory_1_message.factory_1_enum = 1
msg.factory_1_message.nested_factory_1_enum = 0
msg.factory_1_message.nested_factory_1_message.value = (
'nested message value')
msg.factory_1_message.scalar_value = 22
msg.factory_1_message.list_value.extend([u'one', u'two', u'three'])
msg.factory_1_message.list_value.append(u'four')
msg.factory_1_enum = 1
msg.nested_factory_1_enum = 0
msg.nested_factory_1_message.value = 'nested message value'
msg.circular_message.mandatory = 1
msg.circular_message.circular_message.mandatory = 2
msg.circular_message.scalar_value = 'one deep'
msg.scalar_value = 'zero deep'
msg.list_value.extend([u'four', u'three', u'two'])
msg.list_value.append(u'one')
msg.grouped.add()
msg.grouped[0].part_1 = 'hello'
msg.grouped[0].part_2 = 'world'
msg.grouped.add(part_1='testing', part_2='123')
msg.loop.loop.mandatory = 2
msg.loop.loop.loop.loop.mandatory = 4
serialized = msg.SerializeToString()
converted = factory_test2_pb2.Factory2Message.FromString(serialized)
reserialized = converted.SerializeToString()
self.assertEquals(serialized, reserialized)
result = cls.FromString(reserialized)
self.assertEquals(msg, result)
def testGetPrototype(self):
db = descriptor_database.DescriptorDatabase()
pool = descriptor_pool.DescriptorPool(db)
db.Add(self.factory_test1_fd)
db.Add(self.factory_test2_fd)
factory = message_factory.MessageFactory()
cls = factory.GetPrototype(pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory2Message'))
self.assertIsNot(cls, factory_test2_pb2.Factory2Message)
self._ExerciseDynamicClass(cls)
cls2 = factory.GetPrototype(pool.FindMessageTypeByName(
'google.protobuf.python.internal.Factory2Message'))
self.assertIs(cls, cls2)
def testGetMessages(self):
# performed twice because multiple calls with the same input must be allowed
for _ in range(2):
messages = message_factory.GetMessages([self.factory_test2_fd,
self.factory_test1_fd])
self.assertContainsSubset(
['google.protobuf.python.internal.Factory2Message',
'google.protobuf.python.internal.Factory1Message'],
messages.keys())
self._ExerciseDynamicClass(
messages['google.protobuf.python.internal.Factory2Message'])
self.assertContainsSubset(
['google.protobuf.python.internal.Factory2Message.one_more_field',
'google.protobuf.python.internal.another_field'],
(messages['google.protobuf.python.internal.Factory1Message']
._extensions_by_name.keys()))
factory_msg1 = messages['google.protobuf.python.internal.Factory1Message']
msg1 = messages['google.protobuf.python.internal.Factory1Message']()
ext1 = factory_msg1._extensions_by_name[
'google.protobuf.python.internal.Factory2Message.one_more_field']
ext2 = factory_msg1._extensions_by_name[
'google.protobuf.python.internal.another_field']
msg1.Extensions[ext1] = 'test1'
msg1.Extensions[ext2] = 'test2'
self.assertEquals('test1', msg1.Extensions[ext1])
self.assertEquals('test2', msg1.Extensions[ext2])
if __name__ == '__main__':
basetest.main()
|
