t/www_listing: avoid 'once' warnings

[public-inbox.git] / t / www_listing.t

diff --git a/t/www_listing.t b/t/www_listing.t
index e785ae9b0e443233dac55ce30c367a2322a9f565..9230329ccd79650c4165d6623351c99142efd638 100644 (file)
--- a/t/www_listing.t
+++ b/t/www_listing.t
@@ -1,4 +1,4 @@
-# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2019-2020 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 # manifest.js.gz generation and grok-pull integration test
 use strict;
@@ -9,8 +9,10 @@ use PublicInbox::TestCommon;
 require_mods(qw(URI::Escape Plack::Builder Digest::SHA
                IO::Compress::Gzip IO::Uncompress::Gunzip HTTP::Tiny));
 require PublicInbox::WwwListing;
-my $json = eval { PublicInbox::WwwListing::_json() };
-plan skip_all => "JSON module missing: $@" if $@;
+my $json = do {
+       no warnings 'once';
+       $PublicInbox::WwwListing::json;
+} or plan skip_all => "JSON module missing";
 
 use_ok 'PublicInbox::Git';