Since 3.00 I have the following test output in my Image::Magick test

  t/wmf/read..........
  1..2
  ok 1
  ok 2
  ok
  You already have a parser for (t/wmf/read.t) at 
/home/src/perl/repoperls/installed-perls/perl/pe1S7WD/[EMAIL 
PROTECTED]/lib/5.10.0/TAP/Harness.pm line 412


On IRC AndyA and I already had a short exchange about this and Andy
cannot reproduce it. I can confirm that I see the other broken test
output from I:M in t/setattribute.t. But when I fix this in their
test, the problem with T:H output remains for me.

  % for f in ImageMagick-6.3.5-2.tar.bz2; do ls -l $f;md5sum $f;done
  -rw-rw-r-- 1 k k 6088930 2007-07-17 20:15:23 ImageMagick-6.3.5-2.tar.bz2      
  20b2867f6c34de7034cbe5f56fc5a671  ImageMagick-6.3.5-2.tar.bz2

Tested with [EMAIL PROTECTED] and @32235, stock 5.8.8, 5.8.7.

Then I tested with 32235 and Test-Harness 2.99_01 with the same
result, only differing line:

  [...]
  t/setattribute......ok     
  t/tiff/read.........ok     
  t/tiff/write........ok     
  t/wmf/read..........ok   
  t/wmf/read..........ok   
  You already have a parser for (t/wmf/read.t) at 
/home/src/perl/repoperls/installed-perls/perl/pe1S7WD/[EMAIL 
PROTECTED]/lib/site_perl/5.10.0/TAP/Harness.pm line 377


Now I see the bug in the call to the Harness itself. It indeed calls that test 
twice:

% make test
/bin/sh ../magick.sh PERL_DL_NONLAZY=1 
/home/src/perl/repoperls/installed-perls/perl/pe1S7WD/[EMAIL 
PROTECTED]/bin/perl "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 
'blib/arch')" t/*.t t/bzlib/*.t t/jpeg/*.t t/jp2/*.t t/png/*.t t/tiff/*.t 
t/wmf/*.t t/wmf/*.t t/zlib/*.t


Because in the Makefile.PL it says:

  foreach $delegate (qw/bzlib fontconfig freetype jpeg jp2 lcms png tiff wmf 
x11 xml wmf zlib/) {
    if( -d "t/$delegate" ) {
      $delegate_tests .= " t/$delegate/*.t";
    }
  }

I see the "wmf" twice there. Everything beyond this point is not of
interest for Test::Harness. I'll take that bug over to Image-Magick.
Maybe an upgrade has this fixed already.

So this is a new (to me) incompatibility: with old T:H it was OK to
run a test twice, with the new one it isn't. Maybe this restriction
could be lifted, I have no strong opinion. In any case the error
message could be improved, something like. "Did you call this test
twice?" might really help to nail such a bug quicker.



-- 
andreas

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