2 # Copyright (C) 2019-2020 all contributors <meta@public-inbox.org>
3 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
7 use PublicInbox::Spawn qw(which);
8 use PublicInbox::TestCommon;
9 use IO::Handle; # ->autoflush
11 eval { require highlight } or
12 plan skip_all => "failed to load highlight.pm for $0";
13 use_ok 'PublicInbox::HlMod';
14 my $hls = PublicInbox::HlMod->new;
15 ok($hls, 'initialized OK');
16 is($hls->_shebang2lang(\"#!/usr/bin/perl -w\n"), 'perl', 'perl shebang OK');
17 is($hls->{-ext2lang}->{'pm'}, 'perl', '.pm suffix OK');
18 is($hls->{-ext2lang}->{'pl'}, 'perl', '.pl suffix OK');
19 is($hls->_path2lang('Makefile'), 'make', 'Makefile OK');
20 my $str = do { local $/; open(my $fh, __FILE__); <$fh> };
24 my $ref = $hls->do_hl(\$str, 'foo.perl');
25 is(ref($ref), 'SCALAR', 'got a scalar reference back');
26 ok(utf8::valid($$ref), 'resulting string is utf8::valid');
27 like($$ref, qr/I can see you!/, 'we can see ourselves in output');
28 like($$ref, qr/&&/, 'escaped &&');
29 my $lref = $hls->do_hl_lang(\$str, 'perl');
30 is($$ref, $$lref, 'do_hl_lang matches do_hl');
33 my $w3m = which('w3m') or
34 skip('w3m(1) missing to check output', 1);
35 my $cmd = [ $w3m, qw(-T text/html -dump -config /dev/null) ];
36 my $in = '<pre>' . $$ref . '</pre>';
37 my $out = xqx($cmd, undef, { 0 => \$in });
38 # expand tabs and normalize whitespace,
39 # w3m doesn't preserve tabs
43 is($out, $orig, 'w3m output matches');
47 if ('experimental, only for help text') {
55 $hls->do_hl_text(\$tmp);
56 my @hl = split(/^/m, $tmp);
57 is($hl[0], ":>\n", 'first line escaped');
58 is($hl[1], "```perl\n", '2nd line preserved');
59 like($hl[2], qr/<span\b/, 'code highlighted');
60 like($hl[2], qr/&/, 'ampersand escaped');
61 is($hl[3], "```\n", '4th line preserved');
62 is($hl[4], ":<\n", '5th line escaped');
63 is(scalar(@hl), 5, 'no extra line');