1 files changed, 14 insertions, 1 deletions

diff --git a/t/hval.t b/t/hval.t
index f93d6be6..53f52f07 100644
--- a/t/hval.t
+++ b/t/hval.t
@@ -3,7 +3,20 @@
 use strict;
 use warnings;
 use Test::More;
-use_ok 'PublicInbox::Hval', qw(from_attr to_attr);
+use_ok 'PublicInbox::Hval', qw(to_attr);
+
+# reverse the result of to_attr
+sub from_attr ($) {
+        my ($str) = @_;
+        my $first = '';
+        if ($str =~ s/\AZ([a-f0-9]{2})//ms) {
+                $first = chr(hex($1));
+        }
+        $str =~ s!::([a-f0-9]{2})!chr(hex($1))!egms;
+        $str =~ tr!:!/!;
+        utf8::decode($str);
+        $first . $str;
+}
 
 my $ibx = {
         -no_obfuscate_re => qr/(?:example\.com)\z/i,