1#! /usr/bin/python 2# -*- coding: utf-8 -*- 3# 4# Protocol Buffers - Google's data interchange format 5# Copyright 2008 Google Inc. All rights reserved. 6# http://code.google.com/p/protobuf/ 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions are 10# met: 11# 12# * Redistributions of source code must retain the above copyright 13# notice, this list of conditions and the following disclaimer. 14# * Redistributions in binary form must reproduce the above 15# copyright notice, this list of conditions and the following disclaimer 16# in the documentation and/or other materials provided with the 17# distribution. 18# * Neither the name of Google Inc. nor the names of its 19# contributors may be used to endorse or promote products derived from 20# this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 25# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 26# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 28# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 32# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 34"""Unittest for reflection.py, which tests the generated C++ implementation.""" 35 36__author__ = 'jasonh@google.com (Jason Hsueh)' 37 38import os 39os.environ['PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION'] = 'cpp' 40 41import unittest 42from google.protobuf.internal import api_implementation 43from google.protobuf.internal import more_extensions_dynamic_pb2 44from google.protobuf.internal import more_extensions_pb2 45from google.protobuf.internal.reflection_test import * 46 47 48class ReflectionCppTest(unittest.TestCase): 49 def testImplementationSetting(self): 50 self.assertEqual('cpp', api_implementation.Type()) 51 52 def testExtensionOfGeneratedTypeInDynamicFile(self): 53 """Tests that a file built dynamically can extend a generated C++ type. 54 55 The C++ implementation uses a DescriptorPool that has the generated 56 DescriptorPool as an underlay. Typically, a type can only find 57 extensions in its own pool. With the python C-extension, the generated C++ 58 extendee may be available, but not the extension. This tests that the 59 C-extension implements the correct special handling to make such extensions 60 available. 61 """ 62 pb1 = more_extensions_pb2.ExtendedMessage() 63 # Test that basic accessors work. 64 self.assertFalse( 65 pb1.HasExtension(more_extensions_dynamic_pb2.dynamic_int32_extension)) 66 self.assertFalse( 67 pb1.HasExtension(more_extensions_dynamic_pb2.dynamic_message_extension)) 68 pb1.Extensions[more_extensions_dynamic_pb2.dynamic_int32_extension] = 17 69 pb1.Extensions[more_extensions_dynamic_pb2.dynamic_message_extension].a = 24 70 self.assertTrue( 71 pb1.HasExtension(more_extensions_dynamic_pb2.dynamic_int32_extension)) 72 self.assertTrue( 73 pb1.HasExtension(more_extensions_dynamic_pb2.dynamic_message_extension)) 74 75 # Now serialize the data and parse to a new message. 76 pb2 = more_extensions_pb2.ExtendedMessage() 77 pb2.MergeFromString(pb1.SerializeToString()) 78 79 self.assertTrue( 80 pb2.HasExtension(more_extensions_dynamic_pb2.dynamic_int32_extension)) 81 self.assertTrue( 82 pb2.HasExtension(more_extensions_dynamic_pb2.dynamic_message_extension)) 83 self.assertEqual( 84 17, pb2.Extensions[more_extensions_dynamic_pb2.dynamic_int32_extension]) 85 self.assertEqual( 86 24, 87 pb2.Extensions[more_extensions_dynamic_pb2.dynamic_message_extension].a) 88 89 90if __name__ == '__main__': 91 unittest.main() 92