+{
+ use POSIX qw(strftime);
+ sub time_roundtrip {
+ my ($date, $time, $gmt) = @_;
+ my $m = join(' ', @_);
+ my $ts = PublicInbox::NNTP::parse_time(@_);
+ my @t = gmtime($ts);
+ my ($d, $t);
+ if (length($date) == 8) {
+ ($d, $t) = split(' ', strftime('%Y%m%d %H%M%S', @t));
+ } else {
+ ($d, $t) = split(' ', strftime('%g%m%d %H%M%S', @t));
+ }
+ is_deeply([$d, $t], [$date, $time], "roundtripped: $m");
+ $ts;
+ }
+ my $x1 = time_roundtrip(qw(20141109 060606 GMT));
+ my $x2 = time_roundtrip(qw(141109 060606 GMT));
+ my $x3 = time_roundtrip(qw(930724 060606 GMT));
+
+ SKIP: {
+ skip('YYMMDD test needs updating', 2) if (time > 0x7fffffff);
+ # our world probably ends in 2038, but if not we'll try to
+ # remember to update the test then
+ is($x1, $x2, 'YYYYMMDD and YYMMDD parse identically');
+ is(strftime('%Y', gmtime($x3)), '1993', '930724 was in 1993');
+ }
+}
+
+{ # test setting NNTP headers in HEAD and ARTICLE requests
+ require Email::MIME;
+ my $u = 'https://example.com/a/';
+ my $ng = PublicInbox::Inbox->new({ name => 'test',
+ mainrepo => 'test.git',
+ address => 'a@example.com',
+ -primary_address => 'a@example.com',
+ newsgroup => 'test',
+ domain => 'example.com',
+ url => '//example.com/a'});
+ is($ng->base_url, $u, 'URL expanded');
+ my $mid = 'a@b';
+ my $mime = Email::MIME->new("Message-ID: <$mid>\r\n\r\n");
+ PublicInbox::NNTP::set_nntp_headers($mime->header_obj, $ng, 1, $mid);
+ is_deeply([ $mime->header('Message-ID') ], [ "<$mid>" ],
+ 'Message-ID unchanged');
+ is_deeply([ $mime->header('Archived-At') ], [ "<${u}a\@b/>" ],
+ 'Archived-At: set');
+ is_deeply([ $mime->header('List-Archive') ], [ "<$u>" ],
+ 'List-Archive: set');
+ is_deeply([ $mime->header('List-Post') ], [ '<mailto:a@example.com>' ],
+ 'List-Post: set');
+ is_deeply([ $mime->header('Newsgroups') ], [ 'test' ],
+ 'Newsgroups: set');
+ is_deeply([ $mime->header('Xref') ], [ 'example.com test:1' ],
+ 'Xref: set');
+
+ $ng->{-base_url} = 'http://mirror.example.com/m/';
+ PublicInbox::NNTP::set_nntp_headers($mime->header_obj, $ng, 2, $mid);
+ is_deeply([ $mime->header('Message-ID') ], [ "<$mid>" ],
+ 'Message-ID unchanged');
+ is_deeply([ $mime->header('Archived-At') ],
+ [ "<${u}a\@b/>", '<http://mirror.example.com/m/a@b/>' ],
+ 'Archived-At: appended');
+ is_deeply([ $mime->header('Xref') ], [ 'example.com test:2' ],
+ 'Old Xref: clobbered');
+}
+