1#! /usr/bin/python
2#
3# Protocol Buffers - Google's data interchange format
4# Copyright 2008 Google Inc.  All rights reserved.
5# https://developers.google.com/protocol-buffers/
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
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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# Verify that prebuild and checkedin version of descriptor_pb2.py is up to date.
34
35from google3.pyglib import resources
36import unittest
37
38_DESC = 'google3/net/proto2/proto/descriptor_pb2.'
39_OLD = _DESC + 'py-prebuilt'
40_NEW = _DESC + 'compiled'
41
42
43class PregeneratedFileChanged(unittest.TestCase):
44
45  def testSameText(self):
46    generated = resources.GetResource(_NEW)
47    checkedin = resources.GetResource(_OLD)
48    self.assertMultiLineEqual(
49        generated, checkedin, 'It seems that protoc _pb2 generator changed. '
50        'Please run google/protobuf/generate_descriptor_proto.sh to '
51        'regnerate a new version of %s and add it to your CL' % _OLD)
52
53if __name__ == '__main__':
54  unittest.main()
55