v2: mirrors don't clobber msgs w/ reused Message-IDs

[public-inbox.git] / t / v2index-late-dupe.t

diff --git a/t/v2index-late-dupe.t b/t/v2index-late-dupe.t
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+++ b/t/v2index-late-dupe.t
@@ -0,0 +1,37 @@
+# Copyright (C) all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+#
+# this simulates a mirror path: git fetch && -index
+use strict; use v5.10.1; use PublicInbox::TestCommon;
+use Test::More; # redundant, used for bisect
+require_mods 'v2';
+require PublicInbox::Import;
+require PublicInbox::Inbox;
+require PublicInbox::Git;
+my ($tmpdir, $for_destroy) = tmpdir();
+my $inboxdir = "$tmpdir/i";
+PublicInbox::Import::init_bare(my $e0 = "$inboxdir/git/0.git");
+open my $fh, '>', "$inboxdir/inbox.lock" or xbail $!;
+my $git = PublicInbox::Git->new($e0);
+my $im = PublicInbox::Import->new($git, qw(i i@example.com));
+$im->{lock_path} = undef;
+$im->{path_type} = 'v2';
+my $eml = eml_load('t/plack-qp.eml');
+ok($im->add($eml), 'add original');
+$im->done;
+run_script([qw(-index -Lbasic), $inboxdir]);
+is($?, 0, 'basic index');
+my $ibx = PublicInbox::Inbox->new({ inboxdir => $inboxdir });
+my $orig = $ibx->over->get_art(1);
+
+my @mid = $eml->header_raw('Message-ID');
+$eml->header_set('Message-ID', @mid, '<extra@z>');
+ok($im->add($eml), 'add another');
+$im->done;
+run_script([qw(-index -Lbasic), $inboxdir]);
+is($?, 0, 'basic index again');
+
+my $after = $ibx->over->get_art(1);
+is_deeply($after, $orig, 'original unchanged') or note explain([$orig,$after]);
+
+done_testing;