# Copyright (C) 2015-2020 all contributors
# License: AGPL-3.0+
use strict;
use warnings;
use Test::More;
use PublicInbox::Spawn qw(which spawn popen_rd);
{
my $true = which('true');
ok($true, "'true' command found with which()");
}
{
my $pid = spawn(['true']);
ok($pid, 'spawned process');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'true exited successfully');
}
{
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my $pid = spawn(['echo', 'hello world'], undef, { 1 => fileno($w) });
close $w or die "close pipe[1] failed: $!";
is(<$r>, "hello world\n", 'read stdout of spawned from pipe');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'true exited successfully');
}
{
my ($r, $w);
pipe $r, $w or die "pipe failed: $!";
my $pid = spawn(['sh', '-c', 'echo $HELLO'],
{ 'HELLO' => 'world' }, { 1 => $w });
close $w or die "close pipe[1] failed: $!";
is(<$r>, "world\n", 'read stdout of spawned from pipe');
is(waitpid($pid, 0), $pid, 'waitpid succeeds on spawned process');
is($?, 0, 'sh exited successfully');
}
{
my $fh = popen_rd([qw(echo hello)]);
ok(fileno($fh) >= 0, 'tied fileno works');
my $l = <$fh>;
is($l, "hello\n", 'tied readline works');
$l = <$fh>;
ok(!$l, 'tied readline works for EOF');
}
{
my $fh = popen_rd([qw(printf foo\nbar)]);
ok(fileno($fh) >= 0, 'tied fileno works');
my @line = <$fh>;
is_deeply(\@line, [ "foo\n", 'bar' ], 'wantarray works on readline');
}
{
my $fh = popen_rd([qw(echo hello)]);
my $buf;
is(sysread($fh, $buf, 6), 6, 'sysread got 6 bytes');
is($buf, "hello\n", 'tied gets works');
is(sysread($fh, $buf, 6), 0, 'sysread got EOF');
$? = 1;
ok(close($fh), 'close succeeds');
is($?, 0, '$? set properly');
}
{
my $fh = popen_rd([qw(false)]);
ok(!close($fh), 'close fails on false');
isnt($?, 0, '$? set properly: '.$?);
}
SKIP: {
eval {
require BSD::Resource;
defined(BSD::Resource::RLIMIT_CPU())
} or skip 'BSD::Resource::RLIMIT_CPU missing', 3;
my ($r, $w);
pipe($r, $w) or die "pipe: $!";
my $cmd = ['sh', '-c', 'while true; do :; done'];
my $fd = fileno($w);
my $opt = { RLIMIT_CPU => [ 1, 1 ], RLIMIT_CORE => [ 0, 0 ], 1 => $fd };
my $pid = spawn($cmd, undef, $opt);
close $w or die "close(w): $!";
my $rset = '';
vec($rset, fileno($r), 1) = 1;
ok(select($rset, undef, undef, 5), 'child died before timeout');
is(waitpid($pid, 0), $pid, 'XCPU child process reaped');
isnt($?, 0, 'non-zero exit status');
}
done_testing();
1;