+#!perl -w
+# Copyright (C) 2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict; use v5.10.1; use PublicInbox::TestCommon;
+require_git 2.6;
+require_mods(qw(DBD::SQLite Search::Xapian));
+my ($ro_home, $cfg_path) = setup_public_inboxes;
+my ($tmpdir, $for_destroy) = tmpdir;
+my $sock = tcp_server;
+my $cmd = [ '-imapd', '-W0', "--stdout=$tmpdir/1", "--stderr=$tmpdir/2" ];
+my $env = { PI_CONFIG => $cfg_path };
+my $td = start_script($cmd, $env, { 3 => $sock }) or BAIL_OUT("-imapd: $?");
+my $host_port = tcp_host_port($sock);
+undef $sock;
+test_lei({ tmpdir => $tmpdir }, sub {
+ lei_ok(qw(q bytes:1..));
+ my $out = json_utf8->decode($lei_out);
+ is_deeply($out, [ undef ], 'nothing imported, yet');
+ lei_ok('import', "imap://$host_port/t.v2.0");
+ lei_ok(qw(q bytes:1..));
+ $out = json_utf8->decode($lei_out);
+ ok(scalar(@$out) > 1, 'got imported messages');
+ is(pop @$out, undef, 'trailing JSON null element was null');
+ my %r;
+ for (@$out) { $r{ref($_)}++ }
+ is_deeply(\%r, { 'HASH' => scalar(@$out) }, 'all hashes');
+});
+done_testing;