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Bug 622586 - dev-perl/PDL-Graphics-Gnuplot fails tests ( plot() died with 'PDL::Graphics::Gnuplot: Your gnuplot has terminal 'unknown' but it is not supported )
Summary: dev-perl/PDL-Graphics-Gnuplot fails tests ( plot() died with 'PDL::Graphics:...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Perl team
URL:
Whiteboard:
Keywords: TESTFAILURE
Depends on:
Blocks:
 
Reported: 2017-06-24 08:09 UTC by Kent Fredric (IRC: kent\n) (RETIRED)
Modified: 2024-04-20 10:04 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Kent Fredric (IRC: kent\n) (RETIRED) gentoo-dev 2017-06-24 08:09:50 UTC
>>> Test phase: dev-perl/PDL-Graphics-Gnuplot-2.11.0
 * Test::Harness Jobs=3
make -j3 test TEST_VERBOSE=0
PERL_DL_NONLAZY=1 "/usr/bin/perl" "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/manifest.t .. skipped: Author tests not required for installation
t/plot.t ...... 1/185
#   Failed test 'Constructor created a plotting object'
#   at t/plot.t line 23.
#
# P::G::G v2.011, gnuplot v5.0, Perl v5.026000, /usr/bin/perl on linux #

#   Failed test 'basic plotting succeeded without error'
#   at t/plot.t line 41.
# plot() died with 'PDL::Graphics::Gnuplot: Your gnuplot has terminal 'unknown' but it is not supported.
#         unknown: Unknown term (gnuplot final default)   [NS: not a terminal]
#
# You can use the 'terminfo' method for a list of available terminals.
#
#  at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 2312.
#       PDL::Graphics::Gnuplot::output(undef) called at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 2165
#       PDL::Graphics::Gnuplot::new("PDL::Graphics::Gnuplot") called at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 7934
#       PDL::Graphics::Gnuplot::_obj_or_global(ARRAY(0x32f6e50)) called at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 2600
#       PDL::Graphics::Gnuplot::plot(HASH(0x3414fc0), PDL=SCALAR(0x3508a80)) called at t/plot.t line 38
#       eval {...} called at t/plot.t line 38
# '

#   Failed test 'basic plotting created a reasonably-sized file'
#   at t/plot.t line 49.
# resulting output file should be ascii 79x24, but only contains 0 bytes
PDL::Graphics::Gnuplot: Your gnuplot has terminal 'unknown' but it is not supported.
        unknown: Unknown term (gnuplot final default)   [NS: not a terminal]

You can use the 'terminfo' method for a list of available terminals.

 at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 2312.
        PDL::Graphics::Gnuplot::output(undef) called at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 2165
        PDL::Graphics::Gnuplot::new("PDL::Graphics::Gnuplot") called at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 7934
        PDL::Graphics::Gnuplot::_obj_or_global(ARRAY(0x329c308)) called at /var/tmp/portage/dev-perl/PDL-Graphics-Gnuplot-2.11.0/work/PDL-Graphics-Gnuplot-2.011/blib/lib/PDL/Graphics/Gnuplot.pm line 2433
        PDL::Graphics::Gnuplot::restart() called at t/plot.t line 52
# Looks like you planned 185 tests but ran 7.
# Looks like you failed 3 tests of 7 run.
t/plot.t ...... Dubious, test returned 3 (wstat 768, 0x300)
Failed 181/185 subtests

Test Summary Report
-------------------
t/plot.t    (Wstat: 768 Tests: 7 Failed: 3)
  Failed tests:  3, 5, 7
  Non-zero exit status: 3
  Parse errors: Bad plan.  You planned 185 tests but ran 7.
Comment 1 Andreas K. Hüttel archtester gentoo-dev 2017-06-24 20:40:07 UTC
1)
What's your useflags for gnuplot?

2) 
Directly after starting gnuplot, what's the output of the command "show terminal" ?

3)
Then, what's the output of "set terminal" ?
Comment 2 Kent Fredric (IRC: kent\n) (RETIRED) gentoo-dev 2017-06-25 08:55:26 UTC
(In reply to Andreas K. Hüttel from comment #1)
> 1)
> What's your useflags for gnuplot?

The vanilla ones you get with a clean install, so: 

[ebuild  N     ]   sci-visualization/gnuplot-5.0.1-r1  USE="gd readline -X (-aqua) -bitmap -cairo -compat -doc -examples -ggi -latex -libcaca -libcerf -lua -qt4 (-svga) -wxwidgets"

> 
> 2) 
> Directly after starting gnuplot, what's the output of the command "show
> terminal" ?

show terminal

   terminal type is unknown

> 3)
> Then, what's the output of "set terminal" ?

Available terminal types:
           canvas  HTML Canvas object
              cgm  Computer Graphics Metafile
          context  ConTeXt with MetaFun (for PDF documents)
            corel  EPS format for CorelDRAW
             dumb  ascii art for anything that prints text
              dxf  dxf-file for AutoCad (default size 120x80)
            eepic  EEPIC -- extended LaTeX picture environment
              emf  Enhanced Metafile format
            emtex  LaTeX picture environment with emTeX specials
         epslatex  LaTeX picture environment using graphicx package
              fig  FIG graphics language for XFIG graphics editor
              gif  GIF images using libgd and TrueType fonts
             hpgl  HP7475 and relatives [number of pens] [eject]
            latex  LaTeX picture environment
               mf  Metafont plotting standard
               mp  MetaPost plotting standard
             pcl5  HP Designjet 750C, HP Laserjet III/IV, etc. (many options)
              png  PNG images using libgd and TrueType fonts
       postscript  PostScript graphics, including EPSF embedded files (*.eps)
          pslatex  LaTeX picture environment with PostScript \specials
            pstex  plain TeX with PostScript \specials
         pstricks  LaTeX picture environment with PSTricks macros
              qms  QMS/QUIC Laser printer (also Talaris 1200 and others)
              svg  W3C Scalable Vector Graphics
          tek40xx  Tektronix 4010 and others; most TEK emulators
          tek410x  Tektronix 4106, 4107, 4109 and 420X terminals
          texdraw  LaTeX texdraw environment
             tgif  TGIF X11 [mode] [x,y] [dashed] ["font" [fontsize]]
         tkcanvas  Tk/Tcl canvas widget [perltk] [interactive]
             tpic  TPIC -- LaTeX picture environment with tpic \specials
          unknown  Unknown terminal type - not a plotting device
            vttek  VT-like tek40xx terminal emulator
            xterm  Xterm Tektronix 4014 Mode
Comment 3 Andreas K. Hüttel archtester gentoo-dev 2017-06-26 12:49:12 UTC
commit 9b7379d0edebc7ec06b8a1245ade79c4fbdaa1a1 (HEAD -> master, origin/master, origin/HEAD)
Author: Andreas K. Huettel <dilfridge@gentoo.org>
Date:   Mon Jun 26 14:47:50 2017 +0200

    dev-perl/PDL-Graphics-Gnuplot: Add use requirements for gnuplot, bug 622586
    
    Depending on the Gnuplot compilation options, differents sets of terminals are available. When (on Linux) either X or Qt4 terminals are enabled, one
    of these automatically becomes default terminal after program start. This can be verified with "show terminal", and in this case also
    PDL::Graphics::Gnuplot works fine.
    
    However, if both X and Qt4 terminal are disabled during compilation, the default terminal after gnuplot start is "unknown", meaning it's not
    functional (and a terminal has to be selected first). This makes the PDL::Graphics::Gnuplot tests fail, and probably also its functionality.
    
    See also https://github.com/drzowie/PDL-Graphics-Gnuplot/issues/66
    
    Package-Manager: Portage-2.3.6, Repoman-2.3.2

 dev-perl/PDL-Graphics-Gnuplot/PDL-Graphics-Gnuplot-2.11.0.ebuild | 1 +
 1 file changed, 1 insertion(+)
Comment 4 Larry the Git Cow gentoo-dev 2024-04-20 10:04:58 UTC
The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7b49536b3de28e3bd3af5b757ef16cf23d18987b

commit 7b49536b3de28e3bd3af5b757ef16cf23d18987b
Author:     Sam James <sam@gentoo.org>
AuthorDate: 2024-04-20 09:43:54 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2024-04-20 10:03:00 +0000

    dev-perl/PDL-Graphics-Gnuplot: add 2.25.0
    
    Before 9b7379d0edebc7ec06b8a1245ade79c4fbdaa1a1, there doesn't seem
    to have been a dep on gnuplot at all. I think we may need a generic one, but
    we can drop the USE requirements as the upstream bug is now fixed.
    
    (dev-perl/Alien-Gnuplot does depend on it anyway which is prob. why
    nobody noticed.)
    
    Bug: https://bugs.gentoo.org/622586
    Closes: https://bugs.gentoo.org/834512
    Signed-off-by: Sam James <sam@gentoo.org>

 dev-perl/PDL-Graphics-Gnuplot/Manifest             |  1 +
 .../PDL-Graphics-Gnuplot-2.25.0.ebuild             | 31 ++++++++++++++++++++++
 2 files changed, 32 insertions(+)