Bug#1017278: libnet-sip-perl: FTBFS: dh_auto_test: error: make -j8 test TEST_VERBOSE=1 returned exit code 2

[gregor herrmann]

Control: tag -1 + confirmed

On Sun, 14 Aug 2022 09:46:19 +0200, Lucas Nussbaum wrote:

> Source: libnet-sip-perl
> Version: 0.833-1
> Severity: serious
> Justification: FTBFS
> Tags: bookworm sid ftbfs
> User: lucas at debian.org
> Usertags: ftbfs-20220813 ftbfs-bookworm


> > #   Failed test 'DTMF audio generator and extractor for codec pcmu works'
> > #   at t/24_dtmf_audio.t line 24.
> > #     Structures begin differing at:
> > #          $got->[12] = 'B'
> > #     $expected->[12] = 'A'
> > # Looks like you failed 1 test of 2.
> > t/24_dtmf_audio.t ....................... 
> > not ok 1 - DTMF audio generator and extractor for codec pcmu works
> > ok 2 - DTMF audio generator and extractor for codec pcma works
> > 1..2
> > Dubious, test returned 1 (wstat 256, 0x100)
> > Failed 1/2 subtests 
> > t/25_register_tcp_timeout.t ............. 
> > 1..4
> > ok 1
> > ok 2
> > ok 3
> > ok 4
> > ok
> > 
> > Test Summary Report
> > -------------------
> > t/24_dtmf_audio.t                     (Wstat: 256 Tests: 2 Failed: 1)
> >   Failed test:  1
> >   Non-zero exit status: 1

The test still passes for me (cowbuilder amd64):

t/24_dtmf_audio.t ....................... 
ok 1 - DTMF audio generator and extractor for codec pcmu works
ok 2 - DTMF audio generator and extractor for codec pcma works
1..2
ok


Or not …


My suspicion about "get B expected A" is that this might be a timing
issue; when I run t/24_dtmf_audio.t in a loop and create some load on
my laptop, I indeed get failures after some iterations:

t/24_dtmf_audio.t .. 
not ok 1 - DTMF audio generator and extractor for codec pcmu works

#   Failed test 'DTMF audio generator and extractor for codec pcmu works'
#   at t/24_dtmf_audio.t line 24.
#     Structures begin differing at:
#          $got->[6] = '7'
#     $expected->[6] = '6'
not ok 2 - DTMF audio generator and extractor for codec pcma works

#   Failed test 'DTMF audio generator and extractor for codec pcma works'
#   at t/24_dtmf_audio.t line 24.
#     Structures begin differing at:
#          $got->[9] = '*'
#     $expected->[9] = '9'
1..2
# Looks like you failed 2 tests of 2.
Dubious, test returned 2 (wstat 512, 0x200)
Failed 2/2 subtests 


Looking at the cpan testers at http://matrix.cpantesters.org/?dist=Net-SIP+0.833
we also see failures in t/24_dtmf_audio.t


So this looks a bit fragile; I guess we can disable the test or mark
it TODO, or someone has a better idea on how to fix it.

As a workaround, bumping $duration from 10 too 100 at the top of
t/24_dtmf_audio.t seems to make the test pass for me.


Cheers,
gregor

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