1 files changed, 26 insertions, 0 deletions

diff --git a/t/psgi_v2.t b/t/psgi_v2.t
index eaa3218c..2a798d6f 100644
--- a/t/psgi_v2.t
+++ b/t/psgi_v2.t
@@ -139,6 +139,32 @@ test_psgi(sub { $www->call(@_) }, sub {
         foreach my $mid ('a-mid@b', $new_mid, $third) {
                 like($raw, qr/<\Q$mid\E>/s, "Message-ID $mid shown");
         }
+        like($raw, qr/\b3\+ messages\b/, 'thread overview shown');
+
+        my $exp = [ qw(<a-mid@b> <reuse@mid>) ];
+        $mime->header_set('Message-Id', @$exp);
+        $mime->header_set('Subject', '4th dupe');
+        local $SIG{__WARN__} = sub {};
+        ok($im->add($mime), 'added one message');
+        $im->done;
+        my @h = $mime->header('Message-ID');
+        is_deeply($exp, \@h, 'reused existing Message-ID');
+
+        $config->each_inbox(sub { $_[0]->search->reopen });
+
+        $res = $cb->(GET('/v2test/new.atom'));
+        my @ids = ($res->content =~ m!<id>urn:uuid:([^<]+)</id>!sg);
+        my %ids;
+        $ids{$_}++ for @ids;
+        is_deeply([qw(1 1 1 1)], [values %ids], 'feed ids unique');
+
+        $res = $cb->(GET('/v2test/reuse@mid/T/'));
+        $raw = $res->content;
+        like($raw, qr/\b4\+ messages\b/, 'thread overview shown with /T/');
+
+        $res = $cb->(GET('/v2test/reuse@mid/t/'));
+        $raw = $res->content;
+        like($raw, qr/\b4\+ messages\b/, 'thread overview shown with /t/');
 });
 
 done_testing();