[Bug 1167745] Re: autopkgtest failure: testStdin failed if stdin is redirected

[Jean-Baptiste Lallement]

I don't think it is an error with the testcase. At best it could be
skipped if stdin is dev/null but that's a corner case and, I agree, kind
of specific to what adt does.

I attached a patch that runs the testsuites under debian/script.py to fix this problem when running the testsuite with autopkgtest. This patch also modifies debian/script.py to return with the exit code of the child otherwise, test runs are always succeful.
Finally it fixes the path to the regression testsuite for python2.7-dbg.

** Patch added: "python2.7_2.7.4-1ubuntu5.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/python2.7/+bug/1167745/+attachment/3640696/+files/python2.7_2.7.4-1ubuntu5.debdiff

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Title:
  autopkgtest failure: testStdin failed if stdin is redirected

Status in “autopkgtest” package in Ubuntu:
  New
Status in “python2.7” package in Ubuntu:
  Incomplete

Bug description:
  testStdin from the python2.7 regression testsuite failed when run with
  autopkgtest [1] with the error below because adt-run redirects stdin
  to /dev/null

  ======================================================================
  FAIL: testStdin (test.test_file2k.OtherFileTests)
  ----------------------------------------------------------------------
  Traceback (most recent call last):
    File "/usr/lib/python2.7/test/test_file2k.py", line 232, in testStdin
      self.assertRaises(IOError, sys.stdin.seek, -1)
  AssertionError: IOError not raised

  ----------------------------------------------------------------------

  This is reproducible from the command line with:
   $ python2.7 -E -Wd -3 -E -tt /usr/lib/python2.7/test/regrtest.py -w test_file2k </dev/null

  
  [1] https://jenkins.qa.ubuntu.com/job/raring-adt-python2.7/ARCH=amd64,label=adt/1/

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: python2.7 2.7.4-1ubuntu4
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  Uname: Linux 3.8.0-17-generic x86_64
  ApportVersion: 2.9.2-0ubuntu5
  Architecture: amd64
  Date: Thu Apr 11 09:14:12 2013
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: python2.7
  UpgradeStatus: Upgraded to raring on 2012-01-31 (435 days ago)

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