3 # Protocol Buffers - Google's data interchange format
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5 # https://developers.google.com/protocol-buffers/
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33 """Tests for google.protobuf.message_factory."""
35 __author__ = 'matthewtoia@google.com (Matt Toia)'
37 from google.apputils import basetest
38 from google.protobuf import descriptor_pb2
39 from google.protobuf.internal import factory_test1_pb2
40 from google.protobuf.internal import factory_test2_pb2
41 from google.protobuf import descriptor_database
42 from google.protobuf import descriptor_pool
43 from google.protobuf import message_factory
46 class MessageFactoryTest(basetest.TestCase):
49 self.factory_test1_fd = descriptor_pb2.FileDescriptorProto.FromString(
50 factory_test1_pb2.DESCRIPTOR.serialized_pb)
51 self.factory_test2_fd = descriptor_pb2.FileDescriptorProto.FromString(
52 factory_test2_pb2.DESCRIPTOR.serialized_pb)
54 def _ExerciseDynamicClass(self, cls):
57 msg.nested_factory_2_enum = 0
58 msg.nested_factory_2_message.value = 'nested message value'
59 msg.factory_1_message.factory_1_enum = 1
60 msg.factory_1_message.nested_factory_1_enum = 0
61 msg.factory_1_message.nested_factory_1_message.value = (
62 'nested message value')
63 msg.factory_1_message.scalar_value = 22
64 msg.factory_1_message.list_value.extend([u'one', u'two', u'three'])
65 msg.factory_1_message.list_value.append(u'four')
66 msg.factory_1_enum = 1
67 msg.nested_factory_1_enum = 0
68 msg.nested_factory_1_message.value = 'nested message value'
69 msg.circular_message.mandatory = 1
70 msg.circular_message.circular_message.mandatory = 2
71 msg.circular_message.scalar_value = 'one deep'
72 msg.scalar_value = 'zero deep'
73 msg.list_value.extend([u'four', u'three', u'two'])
74 msg.list_value.append(u'one')
76 msg.grouped[0].part_1 = 'hello'
77 msg.grouped[0].part_2 = 'world'
78 msg.grouped.add(part_1='testing', part_2='123')
79 msg.loop.loop.mandatory = 2
80 msg.loop.loop.loop.loop.mandatory = 4
81 serialized = msg.SerializeToString()
82 converted = factory_test2_pb2.Factory2Message.FromString(serialized)
83 reserialized = converted.SerializeToString()
84 self.assertEquals(serialized, reserialized)
85 result = cls.FromString(reserialized)
86 self.assertEquals(msg, result)
88 def testGetPrototype(self):
89 db = descriptor_database.DescriptorDatabase()
90 pool = descriptor_pool.DescriptorPool(db)
91 db.Add(self.factory_test1_fd)
92 db.Add(self.factory_test2_fd)
93 factory = message_factory.MessageFactory()
94 cls = factory.GetPrototype(pool.FindMessageTypeByName(
95 'google.protobuf.python.internal.Factory2Message'))
96 self.assertIsNot(cls, factory_test2_pb2.Factory2Message)
97 self._ExerciseDynamicClass(cls)
98 cls2 = factory.GetPrototype(pool.FindMessageTypeByName(
99 'google.protobuf.python.internal.Factory2Message'))
100 self.assertIs(cls, cls2)
102 def testGetMessages(self):
103 # performed twice because multiple calls with the same input must be allowed
105 messages = message_factory.GetMessages([self.factory_test2_fd,
106 self.factory_test1_fd])
107 self.assertContainsSubset(
108 ['google.protobuf.python.internal.Factory2Message',
109 'google.protobuf.python.internal.Factory1Message'],
111 self._ExerciseDynamicClass(
112 messages['google.protobuf.python.internal.Factory2Message'])
113 self.assertContainsSubset(
114 ['google.protobuf.python.internal.Factory2Message.one_more_field',
115 'google.protobuf.python.internal.another_field'],
116 (messages['google.protobuf.python.internal.Factory1Message']
117 ._extensions_by_name.keys()))
118 factory_msg1 = messages['google.protobuf.python.internal.Factory1Message']
119 msg1 = messages['google.protobuf.python.internal.Factory1Message']()
120 ext1 = factory_msg1._extensions_by_name[
121 'google.protobuf.python.internal.Factory2Message.one_more_field']
122 ext2 = factory_msg1._extensions_by_name[
123 'google.protobuf.python.internal.another_field']
124 msg1.Extensions[ext1] = 'test1'
125 msg1.Extensions[ext2] = 'test2'
126 self.assertEquals('test1', msg1.Extensions[ext1])
127 self.assertEquals('test2', msg1.Extensions[ext2])
130 if __name__ == '__main__':