[Pkg-perl-maintainers] [Bug 1953344] Re: Autopkgtest failure with HTTP proxy

[gregor herrmann]

On Mon, 06 Dec 2021 15:45:36 -0000, Olivier Gayot wrote:

> ** Patch added: "2-0.59-1ubuntu1.debdiff"
>    https://bugs.launchpad.net/ubuntu/+source/libwww-mechanize-shell-perl/+bug/1953344/+attachment/5545722/+files/2-0.59-1ubuntu1.debdiff

Thanks, applied in Debian and forwarded upstream.

Cheers,
gregor 

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https://bugs.launchpad.net/bugs/1953344

Title:
  Autopkgtest failure with HTTP proxy

Status in libwww-mechanize-shell-perl package in Ubuntu:
  In Progress

Bug description:
  Hello,

  Autopktest is failing for libwww-machanize-shell-perl.
  Since it is a reverse dependency of libwww-perl, the latter is blocked on proposed migration (jammy).
  https://autopkgtest.ubuntu.com/results/autopkgtest-jammy/jammy/amd64/libw/libwww-mechanize-shell-perl/20211206_012815_4c3bd@/log.gz

  The tests that fail are meant to execute HTTP queries to the loopback
  interface, for instance:

  # get http://[::1]:49619/basic_auth/foo/bar
  [...]
  not ok 1 - Request without credentials gives 401

  #   Failed test 'Request without credentials gives 401'
  #   at t/13-command-au.t line 39.
  #          got: '503'
  #     expected: '401'
  # Page location : http://[::1]:49619/basic_auth/foo/bar
  # get http://[::1]:49619/basic_auth/foo/bar
  not ok 2 - Wrong password still results in a 401

  The issue seems to be caused by the HTTP proxy that is passed in the
  environment when running autopkgtest. Although we define a no_proxy
  variable that includes some of the addresses/hostnames of the loopback
  interface, it does not contain the IPv6 loopback address i.e., ::1
  being used here.

  no_proxy=127.0.0.1,127.0.1.1,localhost,localdomain[...]

  Debian does not have the issue. They seem to run autopkgtest without a
  proxy.

  Some of the tests from the upstream include the following directive,
  which unsets the HTTP proxy variables when running the tests:

  delete @ENV{qw(HTTP_PROXY http_proxy CGI_HTTP_PROXY)};

  The tests that fail don't have this directive. I suggest to add the
  directive for all tests that query a local HTTP server.

  Thanks,
  Olivier

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