X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=t%2Fspawn.t;h=5fc99a2a101c8c2c83466e515a84bba471b9546e;hb=refs%2Fheads%2Fmaster;hp=6f811ec163df75fab559a2c119b723daad23f27f;hpb=da143a9393faa4956403b3f7a4c6ecb5ae3bcf01;p=public-inbox.git

diff --git a/t/spawn.t b/t/spawn.t
index 6f811ec1..ff95ae8e 100644
--- a/t/spawn.t
+++ b/t/spawn.t
@@ -1,10 +1,11 @@
-# Copyright (C) 2015-2021 all contributors <meta@public-inbox.org>
+#!perl -w
+# Copyright (C) all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
-use strict;
-use warnings;
+use v5.12;
 use Test::More;
 use PublicInbox::Spawn qw(which spawn popen_rd);
-use PublicInbox::Sigfd;
+require PublicInbox::Sigfd;
+require PublicInbox::DS;
 
 {
 	my $true = which('true');
@@ -18,6 +19,34 @@ use PublicInbox::Sigfd;
 	is($?, 0, 'true exited successfully');
 }
 
+SKIP: {
+	my $pid = spawn(['true'], undef, { pgid => 0 });
+	ok($pid, 'spawned process with new pgid');
+	is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
+	is($?, 0, 'true exited successfully');
+	pipe(my ($r, $w)) or BAIL_OUT;
+
+	# Find invalid PID to try to join its process group.
+	my $wrong_pgid = 1;
+	for (my $i=0x7fffffff; $i >= 2; $i--) {
+		if (kill(0, $i) == 0) {
+			$wrong_pgid = $i;
+			last;
+		}
+	}
+
+	# Test spawn behavior when it can't join the requested process group.
+	$pid = eval { spawn(['true'], undef, { pgid => $wrong_pgid, 2 => $w }) };
+	close $w;
+	my $err = do { local $/; <$r> };
+	if (defined $pid) {
+		waitpid($pid, 0);
+		isnt($?, 0, 'child error (pure-Perl)');
+	} else {
+		ok($@, 'exception raised');
+	}
+}
+
 { # ensure waitpid(-1, 0) and SIGCHLD works in spawned process
 	my $script = <<'EOF';
 $| = 1; # unbuffer stdout
@@ -36,7 +65,7 @@ EOF
 	my $rd = popen_rd([$^X, '-e', $script]);
 	diag 'waiting for child to reap grandchild...';
 	chomp(my $line = readline($rd));
-	my ($rdy, $pid) = split(' ', $line);
+	my ($rdy, $pid) = split(/ /, $line);
 	is($rdy, 'RDY', 'got ready signal, waitpid(-1) works in child');
 	ok(kill('CHLD', $pid), 'sent SIGCHLD to child');
 	is(readline($rd), "HI\n", '$SIG{CHLD} works in child');
@@ -103,15 +132,21 @@ EOF
 	isnt($?, 0, '$? set properly: '.$?);
 }
 
+{
+	local $ENV{GIT_CONFIG} = '/path/to/this/better/not/exist';
+	my $fh = popen_rd([qw(env)], { GIT_CONFIG => undef });
+	ok(!grep(/^GIT_CONFIG=/, <$fh>), 'GIT_CONFIG clobbered');
+}
+
 { # ->CLOSE vs ->DESTROY waitpid caller distinction
 	my @c;
-	my $fh = popen_rd(['true'], undef, { cb => sub { @c = caller } });
+	my $fh = popen_rd(['true'], undef, { cb_arg => [sub { @c = caller }] });
 	ok(close($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 } });
+	$fh = popen_rd(['true'], undef, { cb_arg => [sub { @c = caller }] });
 	undef $fh; # ->DESTROY
 	ok(scalar(@c), 'callback fired by ->DESTROY');
 	ok(grep(!m[/PublicInbox/ProcessPipe\.pm\z], @c),
@@ -121,8 +156,9 @@ EOF
 { # children don't wait on siblings
 	use POSIX qw(_exit);
 	pipe(my ($r, $w)) or BAIL_OUT $!;
-	my $cb = sub { warn "x=$$\n" };
-	my $fh = popen_rd(['cat'], undef, { 0 => $r, cb => $cb });
+	my @arg;
+	my $cb = [ sub { @arg = @_; warn "x=$$\n" }, 'hi' ];
+	my $fh = popen_rd(['cat'], undef, { 0 => $r, cb_arg => $cb });
 	my $pp = tied *$fh;
 	my $pid = fork // BAIL_OUT $!;
 	local $SIG{__WARN__} = sub { _exit(1) };
@@ -138,6 +174,9 @@ EOF
 	close $w;
 	close $fh;
 	is($?, 0, 'cat exited');
+	is(scalar(@arg), 2, 'callback got args');
+	is($arg[1], 'hi', 'passed arg');
+	like($arg[0], qr/\A\d+\z/, 'PID');
 	is_deeply(\@w, [ "x=$$\n" ], 'callback fired from owner');
 }
 
@@ -160,6 +199,30 @@ SKIP: {
 	isnt($?, 0, 'non-zero exit status');
 }
 
-done_testing();
+SKIP: {
+	require PublicInbox::SpawnPP;
+	require File::Temp;
+	my $tmp = File::Temp->newdir('spawnpp-XXXX', TMPDIR => 1);
+	my $cmd = [ qw(/bin/sh -c), 'echo $HI >foo' ];
+	my $env = [ 'HI=hihi' ];
+	my $rlim = [];
+	my $pgid = -1;
+	my $pid = PublicInbox::SpawnPP::pi_fork_exec([], '/bin/sh', $cmd, $env,
+						$rlim, "$tmp", $pgid);
+	is(waitpid($pid, 0), $pid, 'spawned process exited');
+	is($?, 0, 'no error');
+	open my $fh, '<', "$tmp/foo" or die "open: $!";
+	is(readline($fh), "hihi\n", 'env+chdir worked for SpawnPP');
+	close $fh;
+	unlink("$tmp/foo") or die "unlink: $!";
+	{
+		local $ENV{MOD_PERL} = 1;
+		$pid = PublicInbox::SpawnPP::pi_fork_exec([],
+				'/bin/sh', $cmd, $env, $rlim, "$tmp", $pgid);
+	}
+	is(waitpid($pid, 0), $pid, 'spawned process exited');
+	open $fh, '<', "$tmp/foo" or die "open: $!";
+	is(readline($fh), "hihi\n", 'env+chdir SpawnPP under (faked) MOD_PERL');
+}
 
-1;
+done_testing();