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Changes to /trunk/python/google/protobuf/internal/message_factory_test.py
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/trunk/python/google/protobuf/internal/message_factory_test.py /trunk/python/google/protobuf/internal/message_factory_test.py   r425
  1 #! /usr/bin/python
  2 #
  3 # Protocol Buffers - Google's data interchange format
  4 # Copyright 2008 Google Inc. All rights reserved.
  5 # http://code.google.com/p/protobuf/
  6 #
  7 # Redistribution and use in source and binary forms, with or without
  8 # modification, are permitted provided that the following conditions are
  9 # met:
  10 #
  11 # * Redistributions of source code must retain the above copyright
  12 # notice, this list of conditions and the following disclaimer.
  13 # * Redistributions in binary form must reproduce the above
  14 # copyright notice, this list of conditions and the following disclaimer
  15 # in the documentation and/or other materials provided with the
  16 # distribution.
  17 # * Neither the name of Google Inc. nor the names of its
  18 # contributors may be used to endorse or promote products derived from
  19 # this software without specific prior written permission.
  20 #
  21 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32
  33 """Tests for google.protobuf.message_factory."""
  34
  35 __author__ = 'matthewtoia@google.com (Matt Toia)'
  36
  37 import unittest
  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
  44
  45
  46 class MessageFactoryTest(unittest.TestCase):
  47
  48 def setUp(self):
  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)
  53
  54 def _ExerciseDynamicClass(self, cls):
  55 msg = cls()
  56 msg.mandatory = 42
  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(['one', 'two', 'three'])
  65 msg.factory_1_message.list_value.append('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(['four', 'three', 'two'])
  74 msg.list_value.append('one')
  75 msg.grouped.add()
  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)
  87
  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 'net.proto2.python.internal.Factory2Message'))
  96 self.assertIsNot(cls, factory_test2_pb2.Factory2Message)
  97 self._ExerciseDynamicClass(cls)
  98 cls2 = factory.GetPrototype(pool.FindMessageTypeByName(
  99 'net.proto2.python.internal.Factory2Message'))
  100 self.assertIs(cls, cls2)
  101
  102 def testGetMessages(self):
  103 messages = message_factory.GetMessages([self.factory_test2_fd,
  104 self.factory_test1_fd])
  105 self.assertContainsSubset(
  106 ['net.proto2.python.internal.Factory2Message',
  107 'net.proto2.python.internal.Factory1Message'],
  108 messages.keys())
  109 self._ExerciseDynamicClass(
  110 messages['net.proto2.python.internal.Factory2Message'])
  111
  112 if __name__ == '__main__':
  113 unittest.main()
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