[Bug 1116079] Re: Test bzrlib.tests.test_tuned_gzip.TestToGzip.test_enormous_chunk fails - potential regression in python2.7 2.7.3-15ubuntu1

[Jean-Baptiste Lallement]

** Changed in: bzr (Ubuntu)
   Importance: Undecided => High

** Changed in: python2.7 (Ubuntu)
   Importance: Undecided => High

** Changed in: python2.7 (Ubuntu)
       Status: New => Confirmed

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Title:
  Test bzrlib.tests.test_tuned_gzip.TestToGzip.test_enormous_chunk fails
  - potential regression in python2.7 2.7.3-15ubuntu1

Status in “bzr” package in Ubuntu:
  Confirmed
Status in “python2.7” package in Ubuntu:
  Confirmed

Bug description:
  The following test
  bzrlib.tests.test_tuned_gzip.TestToGzip.test_enormous_chunk fails
  with:

  ======================================================================
  FAIL: bzrlib.tests.test_tuned_gzip.TestToGzip.test_enormous_chunks
  ----------------------------------------------------------------------
  _StringException: Empty attachments:
    log

  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/bzrlib/tests/test_tuned_gzip.py", line 129, in test_enormous_chunks
      self.assertToGzip(['a large string\n'*1024*256])
    File "/usr/lib/python2.7/dist-packages/bzrlib/tests/test_tuned_gzip.py", line 116, in assertToGzip
      self.assertEqual(bytes, decoded)
  AssertionError: not equal:
  a = 'a large string\na large string\na large string\na larg
  [...]

  This is reproducible with:
  $ bzr selftest -s bzrlib.tests.test_tuned_gzip.TestToGzip.test_enormous_chunk

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: bzr 2.6.0~bzr6571-4ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-2.6-generic 3.8.0-rc4
  Uname: Linux 3.8.0-2-generic x86_64
  ApportVersion: 2.8-0ubuntu4
  Architecture: amd64
  Date: Tue Feb  5 10:17:58 2013
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: bzr
  UpgradeStatus: Upgraded to raring on 2012-01-31 (370 days ago)

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