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sub test_one_get_properties {
   my ($e, $pstr, $hexp) = @_;
   build_file($tmpf, $pstr);
   my $h = Acme::EyeDrops::_get_properties($tmpf);
   ref($h) eq 'HASH' or print "not ";
   ++$itest; print "ok $itest - _get_properties 1 $e\n";
   my @a = sort keys %$h; my @aexp = sort keys %$hexp;
   scalar(@a) == scalar(@aexp) or print "not ";
   ++$itest; print "ok $itest - _get_properties 2 $e\n";
   return unless @aexp;
   my $min = @a; $min = @aexp if @aexp < $min;
   for my $i (0 .. $min-1) {
      $a[$i] eq $aexp[$i] or print "not ";
      ++$itest; print "ok $itest - _get_properties 3 $e\n";
      $h->{$a[$i]} eq $hexp->{$aexp[$i]} or print "not ";
      ++$itest; print "ok $itest - _get_properties 4 $e\n";
   }
}

sub test_one_find_eye_shapes {
   my ($e, $s, $sexp) = @_;
   my @shapes = find_eye_shapes(@$s);
   scalar(@shapes) == scalar(@$sexp) or print "not ";
   ++$itest; print "ok $itest - find_eye_shapes 1 $e\n";
   return unless @$sexp;
   my $min = @shapes; $min = @$sexp if @$sexp < $min;
   for my $i (0 .. $min-1) {
      $shapes[$i] eq $sexp->[$i] or print "not ";
      ++$itest; print "ok $itest - find_eye_shapes 2 $e\n";
   }
}

sub test_one__find_eye_shapes {
   my ($e, $s, $sexp) = @_;
   my @shapes = Acme::EyeDrops::_find_eye_shapes('.', @$s);
   scalar(@shapes) == scalar(@$sexp) or print "not ";
   ++$itest; print "ok $itest - _find_eye_shapes 1 $e\n";
   return unless @$sexp;
   my $min = @shapes; $min = @$sexp if @$sexp < $min;
   for my $i (0 .. $min-1) {
      $shapes[$i] eq $sexp->[$i] or print "not ";
      ++$itest; print "ok $itest - _find_eye_shapes 2 $e\n";
   }
}

sub get_prop_names {
   my %h;
   for my $s (get_eye_shapes()) {
      my $p = get_eye_properties($s) or next;  # no properties
      my @k = keys(%{$p}) or next;
      for my $k (@k) { push(@{$h{$k}}, $s) }
   }
   return \%h;
}

# Hacked from _get_eye_shapes().
sub _get_eyp_shapes {
   my $d = shift; local *D;
   opendir(D, $d) or die "opendir '$d': $!";
   my @e = sort map(/(.+)\.eyp$/, readdir(D)); closedir(D); @e;
}

# -----------------------------------------------------------------------
# slurp_yerself() tests (primitive)

my $eyedrops_pm = Acme::EyeDrops::slurp_yerself();
my $elen = length($eyedrops_pm);
$elen > 50000 or print "not ";
++$itest; print "ok $itest - slurp_yerself length is $elen\n";
my $nlines = $eyedrops_pm =~ tr/\n//;
$nlines > 1000 or print "not ";
++$itest; print "ok $itest - slurp_yerself line count is $nlines\n";

# XXX: could add MD5 checksum test here.
# XXX: beware above test is fragile when testing auto-generated EyeDrops.pm
#      (as is done by 19_surrounds.t)

# -----------------------------------------------------------------------
# get_eye_dir() tests.

my $eyedir = get_eye_dir();
$eyedir or print "not ";
++$itest; print "ok $itest - get_eye_dir sane\n";
-d $eyedir or print "not ";
++$itest; print "ok $itest - get_eye_dir dir\n";
-f "$eyedir/camel.eye" or print "not ";
++$itest; print "ok $itest - get_eye_dir camel.eye\n";
# v1.50 added eye property (.eyp) files.
-f "$eyedir/camel.eyp" or print "not ";
++$itest; print "ok $itest - get_eye_dir camel.eyp\n";

# -----------------------------------------------------------------------
# Sanity check on all properties files.

{
   # Check that .eye files and .eyp files match.
   my @eyp_shapes = _get_eyp_shapes($eyedir);
   # print STDERR "# There are: " . scalar(@eyp_shapes) . " property files\n";
   scalar(@eye_shapes) == scalar(@eyp_shapes) or print "not ";
   ++$itest; print "ok $itest - num .eyp matches num .eye\n";
   for my $i (0 .. $#eye_shapes) {
      $eye_shapes[$i] eq $eyp_shapes[$i] or print "not ";
      ++$itest; print "ok $itest - '$eye_shapes[$i]' .eye matches .eyp\n";
   }
}

for my $e (@eye_shapes) {
   test_one_propchars($e,
      Acme::EyeDrops::_slurp_tfile($eyedir . '/' . $e . '.eyp'));
}

{
   # XXX: need to update test when update shape properties.
   my $h = get_prop_names();
   # for my $k (sort keys %{$h}) { print "k='$k' v='@{$h->{$k}}'\n" }
   ref($h) eq 'HASH' or print "not ";
   ++$itest; print "ok $itest - valid props, hash ref\n";
   my @skey = sort keys %{$h};
   my $nskey = @skey;
   print STDERR "# properties: @skey\n";

t/13_to.t  view on Meta::CPAN

   build_file($tmpeyp6, <<'FLAMING_OSTRICHES');
# Test no keywords
FLAMING_OSTRICHES
   my @catdog = Acme::EyeDrops::_find_eye_shapes('.', 'cat', 'dog');
   @catdog == 0 or print "not ";
   ++$itest; print "ok $itest - _find_eye_shapes, no cats or dogs\n";

   test_one__find_eye_shapes(
      'OR',
      [ 'pink OR big' ],
      [ 'tmpeye',
        'tmpeye4' ]
   );
   test_one__find_eye_shapes(
      'AND OR',
      [ 'dog', 'apple OR orange' ],
      [ 'tmpeye2',
        'tmpeye3' ]
   );

   # Test some _get_eye_keywords...
   {
      my $h = Acme::EyeDrops::_get_eye_keywords('.');
      # for my $k (sort keys %{$h}) { print "k='$k' v='@{$h->{$k}}'\n" }
      ref($h) eq 'HASH' or print "not ";
      ++$itest; print "ok $itest - get_eye_keywords, hash ref\n";
      my @skey = sort keys %{$h};
      @skey == 6 or print "not ";
      ++$itest; print "ok $itest - get_eye_keywords, number\n";
      for my $k ('apple',
                 'big',
                 'cat',
                 'dog',
                 'orange',
                 'pink') {
         shift(@skey) eq $k or print "not ";
         ++$itest; print "ok $itest - get_eye_keywords, '$k'\n";
      }
   }

   unlink($tmpeye, $tmpeyp, $tmpeye2, $tmpeyp2, $tmpeye3, $tmpeyp3,
          $tmpeye4, $tmpeyp4, $tmpeye5, $tmpeyp5, $tmpeye6, $tmpeyp6,
          $tmpeye7);
}

{
   # XXX: need to update test when update shape properties.
   my $h = get_eye_keywords();
   # for my $k (sort keys %{$h}) { print "k='$k' v='@{$h->{$k}}'\n" }
   ref($h) eq 'HASH' or print "not ";
   ++$itest; print "ok $itest - get_eye_keywords, hash ref\n";
   my @skey = sort keys %{$h};
   @skey == 15 or print "not ";
   ++$itest; print "ok $itest - get_eye_keywords, number\n";
   for my $k ('animal',
              'debian',
              'face',
              'flag',
              'hbanner',
              'logo',
              'map',
              'object',
              'opera',
              'perlhacker',
              'person',
              'planet',
              'sport',
              'underwear',
              'vbanner') {
      shift(@skey) eq $k or print "not ";
      ++$itest; print "ok $itest - get_eye_keywords, '$k'\n";
   }
}

# -----------------------------------------------------------------------
# Old tests -- function set_eye_dir() has been removed.

# my $mypwd =  Cwd::cwd();
# my $mytesteyedir  =  "$mypwd/eyedir.tmp";
# my $mytesteyefile =  "$mytesteyedir/tmp.eye";
# -d $mytesteyedir or (mkdir($mytesteyedir, 0777) or die "error: mkdir '$mytesteyedir': $!");
# build_file($mytesteyefile, $mytestshapestr);

# set_eye_dir($mytesteyedir);
# get_eye_dir() eq $mytesteyedir or print "not ";
# ++$itest; print "ok $itest - set_eye_dir sane\n";
# my @eyes = get_eye_shapes();
# @eyes==1 or print "not ";
# ++$itest; print "ok $itest - set_eye_dir number\n";
# $eyes[0] eq 'tmp' or print "not ";
# ++$itest; print "ok $itest - set_eye_dir filename\n";
# test_one_shape('tmp', get_eye_string('tmp'));

# This is just a simple example of testing die inside EyeDrops.pm.
# eval { set_eye_dir($mytesteyefile) };
# $@ or print "not ";
# ++$itest; print "ok $itest - set_eye_dir eval die\n";
# $@ eq "error set_eye_dir '" . $mytesteyefile . "': no such directory\n"
#    or print "not ";
# ++$itest; print "ok $itest - set_eye_dir eval die string\n";

# -----------------------------------------------------------------------

# unlink($mytesteyefile) or die "error: unlink '$mytesteyefile': $!";
# rmdir($mytesteyedir) or die "error: rmdir '$mytesteyedir': $!";

# --------------------------------------------------

unlink($tmpf) or die "error: unlink '$tmpf': $!";

# ----------------------------------------------------------------
# Test for file that does not exist.

eval { Acme::EyeDrops::_get_properties($tmpf) };
$@ =~ /'\Q$tmpf\E':/ or print "not ";
++$itest; print "ok $itest - _get_properties, file not found\n";

eval { Acme::EyeDrops::_get_eye_shapes($tmpf) };
$@ =~ /'\Q$tmpf\E':/ or print "not ";
++$itest; print "ok $itest - _get_eye_shapes, dir not found\n";