processpipe: allow synchronous close to set $?

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

diff --git a/t/spawn.t b/t/spawn.t
index 552bba3302e8c969610b9759e6addaa07068dae1..d97e13a6aa0fd60968c138c991fe3a6cfe8e8cac 100644 (file)
--- a/t/spawn.t
+++ b/t/spawn.t
@@ -98,6 +98,44 @@ EOF
        isnt($?, 0, '$? set properly: '.$?);
 }
 
+{ # ->CLOSE vs ->DESTROY waitpid caller distinction
+       my @c;
+       my $fh = popen_rd(['true'], undef, { cb => sub { @c = caller } });
+       ok(close($fh), '->CLOSE fired and successful');
+       ok(scalar(@c), 'callback fired by ->CLOSE');
+       ok(grep(!m[/PublicInbox/DS\.pm\z], @c), 'callback not invoked by DS');
+
+       @c = ();
+       $fh = popen_rd(['true'], undef, { cb => sub { @c = caller } });
+       undef $fh; # ->DESTROY
+       ok(scalar(@c), 'callback fired by ->DESTROY');
+       ok(grep(!m[/PublicInbox/ProcessPipe\.pm\z], @c),
+               'callback not invoked by ProcessPipe');
+}
+
+{ # children don't wait on siblings
+       use POSIX qw(_exit);
+       pipe(my ($r, $w)) or BAIL_OUT $!;
+       my $cb = sub { warn "x=$$\n" };
+       my $fh = popen_rd(['cat'], undef, { 0 => $r, cb => $cb });
+       my $pp = tied *$fh;
+       my $pid = fork // BAIL_OUT $!;
+       local $SIG{__WARN__} = sub { _exit(1) };
+       if ($pid == 0) {
+               local $SIG{__DIE__} = sub { _exit(2) };
+               undef $fh;
+               _exit(0);
+       }
+       waitpid($pid, 0);
+       is($?, 0, 'forked process exited');
+       my @w;
+       local $SIG{__WARN__} = sub { push @w, @_ };
+       close $w;
+       close $fh;
+       is($?, 0, 'cat exited');
+       is_deeply(\@w, [ "x=$$\n" ], 'callback fired from owner');
+}
+
 SKIP: {
        eval {
                require BSD::Resource;