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      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
     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 # Verify that prebuild and checkedin version of descriptor_pb2.py is up to date.
     34 
     35 from google3.pyglib import resources
     36 import unittest
     37 
     38 _DESC = 'google3/net/proto2/proto/descriptor_pb2.'
     39 _OLD = _DESC + 'py-prebuilt'
     40 _NEW = _DESC + 'compiled'
     41 
     42 
     43 class 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 
     53 if __name__ == '__main__':
     54   unittest.main()
     55