2 # Copyright (C) 2019 all contributors <meta@public-inbox.org>
3 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
7 eval { require highlight } or
8 plan skip_all => 'failed to load highlight.pm';
9 use_ok 'PublicInbox::HlMod';
10 my $hls = PublicInbox::HlMod->new;
11 ok($hls, 'initialized OK');
12 is($hls->_shebang2lang(\"#!/usr/bin/perl -w\n"), 'perl', 'perl shebang OK');
13 is($hls->{-ext2lang}->{'pm'}, 'perl', '.pm suffix OK');
14 is($hls->{-ext2lang}->{'pl'}, 'perl', '.pl suffix OK');
15 is($hls->_path2lang('Makefile'), 'make', 'Makefile OK');
16 my $str = do { local $/; open(my $fh, __FILE__); <$fh> };
20 my $ref = $hls->do_hl(\$str, 'foo.perl');
21 is(ref($ref), 'SCALAR', 'got a scalar reference back');
22 ok(utf8::valid($$ref), 'resulting string is utf8::valid');
23 like($$ref, qr/I can see you!/, 'we can see ourselves in output');
24 like($$ref, qr/&&/, 'escaped');
25 my $lref = $hls->do_hl_lang(\$str, 'perl');
26 is($$ref, $$lref, 'do_hl_lang matches do_hl');
28 use PublicInbox::Spawn qw(which);
29 if (eval { require IPC::Run } && which('w3m')) {
31 my $cmd = [ qw(w3m -T text/html -dump -config /dev/null) ];
32 my ($out, $err) = ('', '');
34 # workaround https://bugs.debian.org/927409
35 $$ref =~ s/'/'/sg;
37 IPC::Run::run($cmd, \('<pre>'.$$ref.'</pre>'), \$out, \$err);
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');