ipc: generic IPC dispatch based on Storable

[public-inbox.git] / t / ipc.t

diff --git a/t/ipc.t b/t/ipc.t
new file mode 100644 (file)
index 0000000..f9c4024
--- /dev/null
+++ b/t/ipc.t
@@ -0,0 +1,67 @@
+#!perl -w
+# Copyright (C) 2020 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 Test::More;
+use PublicInbox::TestCommon;
+require_ok 'PublicInbox::IPC';
+state $once = eval <<'';
+package PublicInbox::IPC;
+use strict;
+sub test_array { qw(test array) }
+sub test_scalar { 'scalar' }
+sub test_scalarref { \'scalarref' }
+sub test_undef { undef }
+sub test_die { shift; die @_; 'unreachable' }
+sub test_pid { $$ }
+1;
+
+my $ipc = bless {}, 'PublicInbox::IPC';
+my @t = qw(array scalar scalarref undef);
+my $test = sub {
+       my $x = shift;
+       for my $type (@t) {
+               my $m = "test_$type";
+               my @ret = $ipc->ipc_do($m);
+               my @exp = $ipc->$m;
+               is_deeply(\@ret, \@exp, "wantarray $m $x");
+
+               $ipc->ipc_do($m);
+
+               my $ret = $ipc->ipc_do($m);
+               my $exp = $ipc->$m;
+               is_deeply($ret, $exp, "!wantarray $m $x");
+       }
+       my $ret = eval { $ipc->test_die('phail') };
+       my $exp = $@;
+       $ret = eval { $ipc->ipc_do('test_die', 'phail') };
+       my $err = $@;
+       my %lines;
+       for ($err, $exp) {
+               s/ line (\d+).*//s and $lines{$1}++;
+       }
+       is(scalar keys %lines, 1, 'line numbers match');
+       is((values %lines)[0], 2, '2 hits on same line number');
+       is($err, $exp, "$x die matches");
+       is($ret, undef, "$x die did not return");
+};
+$test->('local');
+
+SKIP: {
+       require_mods(qw(Storable), 16);
+       my $pid = $ipc->ipc_worker_spawn('test worker');
+       ok($pid > 0 && kill(0, $pid), 'worker spawned and running');
+       defined($pid) or BAIL_OUT 'no spawn, no test';
+       is($ipc->ipc_do('test_pid'), $pid, 'worker pid returned');
+       $test->('worker');
+       {
+               my ($tmp, $for_destroy) = tmpdir();
+               $ipc->ipc_lock_init("$tmp/lock");
+               is($ipc->ipc_do('test_pid'), $pid, 'worker pid returned');
+       }
+       $ipc->ipc_worker_stop;
+       ok(!kill(0, $pid) && $!{ESRCH}, 'worker stopped');
+}
+$ipc->ipc_worker_stop; # idempotent
+done_testing;