#!/usr/bin/perl -w
# Copyright (C) 2019-2020 all contributors
# License: AGPL-3.0+
use strict;
use warnings;
use Test::More;
use PublicInbox::Spawn qw(which spawn);
use IO::Handle; # ->autoflush
use Fcntl qw(:seek);
eval { require highlight } or
plan skip_all => "failed to load highlight.pm for $0";
use_ok 'PublicInbox::HlMod';
my $hls = PublicInbox::HlMod->new;
ok($hls, 'initialized OK');
is($hls->_shebang2lang(\"#!/usr/bin/perl -w\n"), 'perl', 'perl shebang OK');
is($hls->{-ext2lang}->{'pm'}, 'perl', '.pm suffix OK');
is($hls->{-ext2lang}->{'pl'}, 'perl', '.pl suffix OK');
is($hls->_path2lang('Makefile'), 'make', 'Makefile OK');
my $str = do { local $/; open(my $fh, __FILE__); <$fh> };
my $orig = $str;
{
my $ref = $hls->do_hl(\$str, 'foo.perl');
is(ref($ref), 'SCALAR', 'got a scalar reference back');
ok(utf8::valid($$ref), 'resulting string is utf8::valid');
like($$ref, qr/I can see you!/, 'we can see ourselves in output');
like($$ref, qr/&&/, 'escaped &&');
my $lref = $hls->do_hl_lang(\$str, 'perl');
is($$ref, $$lref, 'do_hl_lang matches do_hl');
SKIP: {
which('w3m') or skip 'w3m(1) missing to check output', 1;
my $cmd = [ qw(w3m -T text/html -dump -config /dev/null) ];
open my $in, '+>', undef or die;
open my $out, '+>', undef or die;
my $rdr = { 0 => fileno($in), 1 => fileno($out) };
$in->autoflush(1);
print $in '', $$ref, '
' or die;
$in->seek(0, SEEK_SET) or die;
my $pid = spawn($cmd, undef, $rdr);
waitpid($pid, 0);
# expand tabs and normalize whitespace,
# w3m doesn't preserve tabs
$orig =~ s/\t/ /gs;
$out->seek(0, SEEK_SET) or die;
$out = do { local $/; <$out> };
$out =~ s/\s*\z//sg;
$orig =~ s/\s*\z//sg;
is($out, $orig, 'w3m output matches');
}
}
if ('experimental, only for help text') {
my $tmp = <<'EOF';
:>
```perl
my $foo = 1 & 2;
```
:<
EOF
$hls->do_hl_text(\$tmp);
my @hl = split(/^/m, $tmp);
is($hl[0], ":>\n", 'first line escaped');
is($hl[1], "```perl\n", '2nd line preserved');
like($hl[2], qr/