(tests guix-download) fails when DNS is bogus

DoneSubmitted by Leo Famulari.
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4 participants
  • Leo Famulari
  • Ludovic Courtès
  • Maxim Cournoyer
  • ng0
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unassigned
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L
L
Leo Famulari wrote on 23 May 2017 18:24
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(address . bug-guix@gnu.org)
20170523162431.GB15379@jasmine
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The guix-download test includes this snippet:

------
# Make sure it fails here.
if guix download http://does.not/exist
then false; else true; fi
------

Unfortunately, many ISPs (such as T-Mobile) return bogus results for
otherwise unclaimed domain names, causing this test to fail.

Does anyone know if there is some domain that is designed to fail as a
"standard", as http://example.com is intended to be used for examples
of good domains?
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M
M
Maxim Cournoyer wrote on 23 May 2017 18:47
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BC77E34E-40B0-402A-9C85-4223FAB5A8CB@gmail.com
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On May 23, 2017 9:24:31 AM PDT, Leo Famulari <leo@famulari.name> wrote:
Toggle quote (15 lines)
>The guix-download test includes this snippet:
>
>------
># Make sure it fails here.
>if guix download http://does.not/exist
>then false; else true; fi
>------
>
>Unfortunately, many ISPs (such as T-Mobile) return bogus results for
>otherwise unclaimed domain names, causing this test to fail.
>
>Does anyone know if there is some domain that is designed to fail as a
>"standard", as <http://example.com> is intended to be used for examples
>of good domains?

Could we simply mock the expected response?

Maxim
N
N
ng0 wrote on 23 May 2017 19:07
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(name . 27039)(address . 27039@debbugs.gnu.org)
E1dDDHH-0002gK-UV@rmmprod05.runbox
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On Tue, 23 May 2017 12:24:31 -0400, Leo Famulari <leo@famulari.name> wrote:

Toggle quote (15 lines)
> The guix-download test includes this snippet:
>
> ------
> # Make sure it fails here.
> if guix download http://does.not/exist
> then false; else true; fi
> ------
>
> Unfortunately, many ISPs (such as T-Mobile) return bogus results for
> otherwise unclaimed domain names, causing this test to fail.
>
> Does anyone know if there is some domain that is designed to fail as a
> "standard", as <http://example.com> is intended to be used for examples
> of good domains?

http://fail.0

fails to resolve with "ping: bad address 'fail.0'. This was run on an OpenNIC connected computer.
L
L
Ludovic Courtès wrote on 23 May 2017 23:03
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(name . Leo Famulari)(address . leo@famulari.name)(address . 27039@debbugs.gnu.org)
87shjv70by.fsf@gnu.org
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Leo Famulari <leo@famulari.name> skribis:

Toggle quote (11 lines)
> The guix-download test includes this snippet:
>
> ------
> # Make sure it fails here.
> if guix download http://does.not/exist
> then false; else true; fi
> ------
>
> Unfortunately, many ISPs (such as T-Mobile) return bogus results for
> otherwise unclaimed domain names, causing this test to fail.

Yes, this has been reported several times in the past and marked as
“wontfix”. :-)

Toggle quote (4 lines)
> Does anyone know if there is some domain that is designed to fail as a
> "standard", as <http://example.com> is intended to be used for examples
> of good domains?

There’s an RFC defining example.org et al. These domain names are
guaranteed to exist, so we’d be testing something different; also, I
don’t know if the RFC defines pages guaranteed to be 404, for instance.

Ludo’.
L
L
Ludovic Courtès wrote on 4 Jun 2017 23:04
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control message for bug #27039
(address . control@debbugs.gnu.org)
87vaobh3bt.fsf@gnu.org
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tags 27039 wontfix
close 27039
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