sys-linux-namespace/t/02-namespace.t

57 lines
1.5 KiB
Perl

BEGIN {
$ENV{TMPDIR} = 't/tmp/'
}
use Test::More;
use Test::SharedFork;
use Sys::Linux::Namespace;
$Sys::Linux::Namespace::debug = 1;
SKIP: {
skip "Need to be root to run test", 5 unless $< == 0;
ok(my $namespace = Sys::Linux::Namespace->new(private_tmp => 1), "Setup object");
my $ret = $namespace->run(code => sub {
is_deeply([glob "/tmp/*"], [], "No files present in /tmp");
});
ok(my $pid_ns = Sys::Linux::Namespace->new(private_tmp => 1, private_pid => 1), "Setup pid object");
$ret = $pid_ns->run(code => sub {
is($$, 1, "We're init");
is_deeply([grep {m|/proc/\d+/|} glob '/proc/*/'], ['/proc/1/'], "Only /proc/1/ exists");
});
# namespace process exited cleanly
ok($ret == 0, "run code in sandbox");
alarm(5);
$pid_ns->run(code => sub {
is($$, 1, "Alarmed init");
sleep(10);
fail("signal propogation didn't happen");
});
alarm(5);
$pid_ns->run(code => sub {
is($$, 1, "Second alarmed init");
my $pid = fork();
isnt($pid, undef, "Fork succeeded");
if (!$pid) {
sleep(30); # sleep a gigantic amount of time in the child
# We should never happen here, because our parent PID 1 should be destroyed by the kernel first
fail("Child of PID 1 lived, $$");
} else {
waitpid($pid, 0); # wait forever
fail("PID 1 never got reaped");
}
});
ok($namespace->setup(), "Setup namespace in current process");
is_deeply([glob "/tmp/*"], [], "No files present in /tmp");
}
done_testing;