hval: routines for attribute escaping

We'll use HTML attributes + anchor links to link to filenames
in coming commits.

1 files changed, 20 insertions, 0 deletions

diff --git a/t/hval.t b/t/hval.t
new file mode 100644
index 00000000..f824752c
--- /dev/null
+++ b/t/hval.t
@@ -0,0 +1,20 @@
+# Copyright (C) 2015 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ (https://www.gnu.org/licenses/agpl-3.0.txt)
+use strict;
+use warnings;
+use Test::More;
+use PublicInbox::Hval qw(to_attr from_attr);
+
+foreach my $s ('Hello/World.pm', 'Zcat', 'hello world.c', 'Eléanor', '$at') {
+        my $attr = to_attr($s);
+        is(from_attr($attr), $s, "$s => $attr => $s round trips");
+}
+
+{
+        my $bad = eval { to_attr('foo//bar') };
+        my $err = $@;
+        ok(!$bad, 'double-slash rejected');
+        like($err, qr/invalid filename:/, 'got exception message');
+}
+
+done_testing();