t/Convert-Color-HUSL.t

   1 #!/usr/bin/perl
   2 use 5.014000;
   3 use warnings;
   4
   5 use Convert::Color::RGB8;
   6 use JSON::PP qw/decode_json/;
   7 use Test::More tests => 5 * 4096;
   8
   9 use constant EPSILON => $ENV{RELEASE_TESTING} ? 1e-11 : 2e-4;
  10 my @spaces = qw/XYZ LUV LCh HUSL HUSLp/;
  11
  12 sub isf {
  13         my ($x, $y, $name) = @_;
  14         ok !grep({ abs ($_ - shift @$y) > EPSILON } @$x), $name;
  15 }
  16
  17 if ($ENV{RELEASE_TESTING}) {
  18         require JSON::MaybeXS;
  19         open my $fh, '<', 't/snapshot-rev4.json';
  20         my $snapshot = join '', <$fh>;
  21
  22         my %tests = %{JSON::MaybeXS::decode_json $snapshot};
  23
  24         for my $color (sort keys %tests) {
  25                 my $col = Convert::Color::RGB8->new(substr $color, 1);
  26                 isf $col->convert_to(lc), $tests{$color}{lc()}, "convert $color to $_" for @spaces;
  27         }
  28 } else {
  29         open my $fh, '<', 't/snapshot-rev4.csv';
  30         <$fh>;
  31
  32         while (<$fh>) {
  33                 my ($color, @good) = split ',';
  34                 my $col = Convert::Color::RGB8->new($color);
  35                 isf $col->convert_to(lc), \@good, "convert $color to $_" for @spaces
  36         }
  37 }