v2writable: add NNTP article number regeneration support

Allow best-effort regeneration of NNTP article numbers from
cloned git repositories in addition to indexing Xapian Article
numbers will not remain consistent when we add purge support,
though.

1 files changed, 98 insertions, 0 deletions

diff --git a/t/v2reindex.t b/t/v2reindex.t
new file mode 100644
index 00000000..b9540e4a
--- /dev/null
+++ b/t/v2reindex.t
@@ -0,0 +1,98 @@
+# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
+use strict;
+use warnings;
+use Test::More;
+use PublicInbox::MIME;
+use PublicInbox::ContentId qw(content_digest);
+use File::Temp qw/tempdir/;
+use File::Path qw(remove_tree);
+
+foreach my $mod (qw(DBD::SQLite Search::Xapian)) {
+        eval "require $mod";
+        plan skip_all => "$mod missing for v2reindex.t" if $@;
+}
+use_ok 'PublicInbox::V2Writable';
+my $mainrepo = tempdir('pi-v2reindex-XXXXXX', TMPDIR => 1, CLEANUP => 1);
+my $ibx = {
+        mainrepo => $mainrepo,
+        name => 'test-v2writable',
+        version => 2,
+        -primary_address => 'test@example.com',
+};
+$ibx = PublicInbox::Inbox->new($ibx);
+my $mime = PublicInbox::MIME->create(
+        header => [
+                From => 'a@example.com',
+                To => 'test@example.com',
+                Subject => 'this is a subject',
+                Date => 'Fri, 02 Oct 1993 00:00:00 +0000',
+        ],
+        body => "hello world\n",
+);
+
+my $im = PublicInbox::V2Writable->new($ibx, 1);
+$im->{parallel} = 0;
+foreach my $i (1..10) {
+        $mime->header_set('Message-Id', "<$i\@example.com>");
+        ok($im->add($mime), "message $i added");
+        if ($i == 4) {
+                $im->remove($mime);
+        }
+}
+
+if ('test remove later') {
+        $mime->header_set('Message-Id', "<5\@example.com>");
+        $im->remove($mime);
+}
+
+$im->done;
+my $minmax = [ $ibx->mm->minmax ];
+ok(defined $minmax->[0] && defined $minmax->[1], 'minmax defined');
+
+eval { $im->reindex };
+is($@, '', 'no error from reindexing');
+$im->done;
+
+my $xap = "$mainrepo/xap".PublicInbox::Search::SCHEMA_VERSION();
+remove_tree($xap);
+ok(!-d $xap, 'Xapian directories removed');
+eval { $im->reindex };
+is($@, '', 'no error from reindexing');
+$im->done;
+ok(-d $xap, 'Xapian directories recreated');
+
+delete $ibx->{mm};
+is_deeply($minmax, [ $ibx->mm->minmax ], 'minmax unchanged');
+
+ok(unlink "$mainrepo/msgmap.sqlite3", 'remove msgmap');
+remove_tree($xap);
+ok(!-d $xap, 'Xapian directories removed again');
+{
+        my @warn;
+        local $SIG{__WARN__} = sub { push @warn, @_ };
+        eval { $im->reindex };
+        is($@, '', 'no error from reindexing without msgmap');
+        like(join(' ', @warn), qr/regenerat/, 'warned about regenerating');
+        $im->done;
+        ok(-d $xap, 'Xapian directories recreated');
+        delete $ibx->{mm};
+        is_deeply($minmax, [ $ibx->mm->minmax ], 'minmax unchanged');
+}
+
+ok(unlink "$mainrepo/msgmap.sqlite3", 'remove msgmap');
+remove_tree($xap);
+ok(!-d $xap, 'Xapian directories removed again');
+{
+        my @warn;
+        local $SIG{__WARN__} = sub { push @warn, @_ };
+        eval { $im->reindex(my $regen = 1) };
+        is($@, '', 'no error from reindexing without msgmap');
+        is_deeply(\@warn, [], 'no warnings');
+        $im->done;
+        ok(-d $xap, 'Xapian directories recreated');
+        delete $ibx->{mm};
+        is_deeply($minmax, [ $ibx->mm->minmax ], 'minmax unchanged');
+}
+
+done_testing();