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# Copyright (C) 2019-2021 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::Eml;
use PublicInbox::InboxWritable;
use PublicInbox::TestCommon;
use Cwd qw(abs_path);
require_git(2.6); # replace is v2 only, for now...
require_mods(qw(DBD::SQLite));
local $ENV{HOME} = abs_path('t');
sub test_replace ($$$) {
my ($v, $level, $opt) = @_;
diag "v$v $level replace";
my $this = "pi-$v-$level-replace";
my ($tmpdir, $for_destroy) = tmpdir($this);
my $ibx = PublicInbox::Inbox->new({
inboxdir => "$tmpdir/testbox",
name => $this,
version => $v,
-no_fsync => 1,
-primary_address => 'test@example.com',
indexlevel => $level,
});
my $orig = PublicInbox::Eml->new(<<'EOF');
From: Barbra Streisand <effect@example.com>
To: test@example.com
Subject: confidential
Message-ID: <replace@example.com>
Date: Fri, 02 Oct 1993 00:00:00 +0000
Top secret info about my house in Malibu...
EOF
my $im = PublicInbox::InboxWritable->new($ibx, {nproc=>1})->importer(0);
# fake a bunch of epochs
$im->{rotate_bytes} = $opt->{rotate_bytes} if $opt->{rotate_bytes};
if ($opt->{pre}) {
$opt->{pre}->($im, 1, 2);
$orig->header_set('References', '<1@example.com>');
}
ok($im->add($orig), 'add message to be replaced');
if ($opt->{post}) {
$opt->{post}->($im, 3, { 4 => 'replace@example.com' });
}
$im->done;
my $thread_a = $ibx->over->get_thread('replace@example.com');
my %before = map {; delete($_->{blob}) => $_ } @{$ibx->recent};
my $reject = PublicInbox::Eml->new($orig->as_string);
foreach my $mid (['<replace@example.com>', '<extra@example.com>'],
[], ['<replaced@example.com>']) {
$reject->header_set('Message-ID', @$mid);
my $ok = eval { $im->replace($orig, $reject) };
like($@, qr/Message-ID.*may not be changed/,
'->replace died on Message-ID change');
ok(!$ok, 'no replacement happened');
}
# prepare the replacement
my $expect = "Move along, nothing to see here\n";
my $repl = PublicInbox::Eml->new($orig->as_string);
$repl->header_set('From', '<redactor@example.com>');
$repl->header_set('Subject', 'redacted');
$repl->header_set('Date', 'Sat, 02 Oct 2010 00:00:00 +0000');
$repl->body_str_set($expect);
my @warn;
local $SIG{__WARN__} = sub { push @warn, @_ };
ok(my $cmts = $im->replace($orig, $repl), 'replaced message');
my $changed_epochs = 0;
for my $tip (@$cmts) {
next if !defined $tip;
$changed_epochs++;
like($tip, qr/\A[a-f0-9]{40,}\z/,
'replace returned current commit');
}
is($changed_epochs, 1, 'only one epoch changed');
$im->done;
my $m = PublicInbox::Eml->new($ibx->msg_by_mid('replace@example.com'));
is($m->body, $expect, 'replaced message');
is_deeply(\@warn, [], 'no warnings on noop');
my @cat = qw(cat-file --buffer --batch --batch-all-objects);
my $git = $ibx->git;
my @all = $git->qx(@cat);
is_deeply([grep(/confidential/, @all)], [], 'nothing confidential');
is_deeply([grep(/Streisand/, @all)], [], 'Streisand who?');
is_deeply([grep(/\bOct 1993\b/, @all)], [], 'nothing from Oct 1993');
my $t19931002 = qr/ 749520000 /;
is_deeply([grep(/$t19931002/, @all)], [], "nothing matches $t19931002");
for my $dir (glob("$ibx->{inboxdir}/git/*.git")) {
my ($bn) = ($dir =~ m!([^/]+)\z!);
is(xsys(qw(git --git-dir), $dir,
qw(fsck --strict --no-progress)),
0, "git fsck is clean in epoch $bn");
}
my $thread_b = $ibx->over->get_thread('replace@example.com');
is_deeply([sort map { $_->{mid} } @$thread_b],
[sort map { $_->{mid} } @$thread_a], 'threading preserved');
if (my $srch = $ibx->search) {
for my $q ('f:streisand', 's:confidential', 'malibu') {
my $mset = $srch->mset($q);
is($mset->size, 0, "no match for $q");
}
my @ok = ('f:redactor', 's:redacted', 'nothing to see');
if ($opt->{pre}) {
push @ok, 'm:1@example.com', 'm:2@example.com',
's:message2', 's:message1';
}
if ($opt->{post}) {
push @ok, 'm:3@example.com', 'm:4@example.com',
's:message3', 's:message4';
}
for my $q (@ok) {
my $mset = $srch->mset($q);
ok($mset->size, "got match for $q");
}
}
# check overview matches:
my %after = map {; delete($_->{blob}) => $_ } @{$ibx->recent};
my @before_blobs = keys %before;
foreach my $blob (@before_blobs) {
delete $before{$blob} if delete $after{$blob};
}
is(scalar keys %before, 1, 'one unique blob from before left');
is(scalar keys %after, 1, 'one unique blob from after left');
foreach my $blob (keys %before) {
is($git->check($blob), undef, 'old blob not found');
my $smsg = $before{$blob};
is($smsg->{subject}, 'confidential', 'before subject');
is($smsg->{mid}, 'replace@example.com', 'before MID');
}
foreach my $blob (keys %after) {
ok($git->check($blob), 'new blob found');
my $smsg = $after{$blob};
is($smsg->{subject}, 'redacted', 'after subject');
is($smsg->{mid}, 'replace@example.com', 'before MID');
}
# $git->cleanup; # needed if $im->{parallel};
@warn = ();
is($im->replace($orig, $repl), undef, 'no-op replace returns undef');
is($im->purge($orig), undef, 'no-op purge returns undef');
is_deeply(\@warn, [], 'no warnings on noop');
# $im->done; # needed if $im->{parallel}
}
sub pad_msgs {
my ($im, @range) = @_;
for my $i (@range) {
my $irt;
if (ref($i) eq 'HASH') {
($i, $irt) = each %$i;
}
my $sec = sprintf('%0d', $i);
my $mime = PublicInbox::Eml->new(<<EOF);
From: foo\@example.com
To: test\@example.com
Message-ID: <$i\@example.com>
Date: Fri, 02, Jan 1970 00:00:$sec +0000
Subject: message$i
message number$i
EOF
if (defined($irt)) {
$mime->header_set('References', "<$irt>");
}
$im->add($mime);
}
}
my $opt = { pre => \&pad_msgs };
test_replace(2, 'basic', {});
test_replace(2, 'basic', $opt);
test_replace(2, 'basic', $opt = { %$opt, post => \&pad_msgs });
test_replace(2, 'basic', $opt = { %$opt, rotate_bytes => 1 });
SKIP: {
require_mods(qw(Search::Xapian), 8);
for my $l (qw(medium)) {
test_replace(2, $l, {});
$opt = { pre => \&pad_msgs };
test_replace(2, $l, $opt);
test_replace(2, $l, $opt = { %$opt, post => \&pad_msgs });
test_replace(2, $l, $opt = { %$opt, rotate_bytes => 1 });
}
};
done_testing();
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