#
# 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.
#
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"""Tests for google.protobuf.proto_builder."""
try:
from collections import OrderedDict
except ImportError:
from ordereddict import OrderedDict #PY26
try:
import unittest2 as unittest
except ImportError:
import unittest
from google.protobuf import descriptor_pb2
from google.protobuf import descriptor_pool
from google.protobuf import proto_builder
from google.protobuf import text_format
class ProtoBuilderTest(unittest.TestCase):
def setUp(self):
self.ordered_fields = OrderedDict([
('foo', descriptor_pb2.FieldDescriptorProto.TYPE_INT64),
('bar', descriptor_pb2.FieldDescriptorProto.TYPE_STRING),
])
self._fields = dict(self.ordered_fields)
def testMakeSimpleProtoClass(self):
"""Test that we can create a proto class."""
proto_cls = proto_builder.MakeSimpleProtoClass(
self._fields,
full_name='net.proto2.python.public.proto_builder_test.Test')
proto = proto_cls()
proto.foo = 12345
proto.bar = 'asdf'
self.assertMultiLineEqual(
'bar: "asdf"\nfoo: 12345\n', text_format.MessageToString(proto))
def testOrderedFields(self):
"""Test that the field order is maintained when given an OrderedDict."""
proto_cls = proto_builder.MakeSimpleProtoClass(
self.ordered_fields,
full_name='net.proto2.python.public.proto_builder_test.OrderedTest')
proto = proto_cls()
proto.foo = 12345
proto.bar = 'asdf'
self.assertMultiLineEqual(
'foo: 12345\nbar: "asdf"\n', text_format.MessageToString(proto))
def testMakeSameProtoClassTwice(self):
"""Test that the DescriptorPool is used."""
pool = descriptor_pool.DescriptorPool()
proto_cls1 = proto_builder.MakeSimpleProtoClass(
self._fields,
full_name='net.proto2.python.public.proto_builder_test.Test',
pool=pool)
proto_cls2 = proto_builder.MakeSimpleProtoClass(
self._fields,
full_name='net.proto2.python.public.proto_builder_test.Test',
pool=pool)
self.assertIs(proto_cls1.DESCRIPTOR, proto_cls2.DESCRIPTOR)
if __name__ == '__main__':
unittest.main()
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