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| | #!perl -w
# Copyright (C) unicorn hackers <unicorn-public@80x24.org>
# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
package UnicornTest;
use v5.14;
use parent qw(Exporter);
use Test::More;
use IO::Socket::INET;
use POSIX qw(dup2 _exit setpgid :signal_h SEEK_SET F_SETFD);
use File::Temp 0.19 (); # 0.19 for ->newdir
our ($tmpdir, $errfh);
our @EXPORT = qw(unicorn slurp tcp_server tcp_connect unicorn $tmpdir $errfh
SEEK_SET tcp_host_port);
my ($base) = ($0 =~ m!\b([^/]+)\.[^\.]+\z!);
$tmpdir = File::Temp->newdir("unicorn-$base-XXXX", TMPDIR => 1);
open($errfh, '>>', "$tmpdir/err.log") or die "open: $!";
sub tcp_server {
my %opt = (
ReuseAddr => 1,
Proto => 'tcp',
Type => SOCK_STREAM,
Listen => SOMAXCONN,
Blocking => 0,
@_,
);
eval {
die 'IPv4-only' if $ENV{TEST_IPV4_ONLY};
require IO::Socket::INET6;
IO::Socket::INET6->new(%opt, LocalAddr => '[::1]')
} || eval {
die 'IPv6-only' if $ENV{TEST_IPV6_ONLY};
IO::Socket::INET->new(%opt, LocalAddr => '127.0.0.1')
} || BAIL_OUT "failed to create TCP server: $! ($@)";
}
sub tcp_host_port {
my ($s) = @_;
my ($h, $p) = ($s->sockhost, $s->sockport);
my $ipv4 = $s->sockdomain == AF_INET;
if (wantarray) {
$ipv4 ? ($h, $p) : ("[$h]", $p);
} else {
$ipv4 ? "$h:$p" : "[$h]:$p";
}
}
sub tcp_connect {
my ($dest, %opt) = @_;
my $addr = tcp_host_port($dest);
my $s = ref($dest)->new(
Proto => 'tcp',
Type => SOCK_STREAM,
PeerAddr => $addr,
%opt,
) or BAIL_OUT "failed to connect to $addr: $!";
$s->autoflush(1);
$s;
}
sub slurp {
open my $fh, '<', $_[0] or die "open($_[0]): $!";
local $/;
<$fh>;
}
sub spawn {
my $env = ref($_[0]) eq 'HASH' ? shift : undef;
my $opt = ref($_[-1]) eq 'HASH' ? pop : {};
my @cmd = @_;
my $old = POSIX::SigSet->new;
my $set = POSIX::SigSet->new;
$set->fillset or die "sigfillset: $!";
sigprocmask(SIG_SETMASK, $set, $old) or die "SIG_SETMASK: $!";
pipe(my ($r, $w)) or die "pipe: $!";
my $pid = fork // die "fork: $!";
if ($pid == 0) {
close $r;
$SIG{__DIE__} = sub {
warn(@_);
syswrite($w, my $num = $! + 0);
_exit(1);
};
# pretend to be systemd (cf. sd_listen_fds(3))
my $cfd;
for ($cfd = 0; ($cfd < 3) || defined($opt->{$cfd}); $cfd++) {
my $io = $opt->{$cfd} // next;
my $pfd = fileno($io) // die "fileno($io): $!";
if ($pfd == $cfd) {
fcntl($io, F_SETFD, 0) // die "F_SETFD: $!";
} else {
dup2($pfd, $cfd) // die "dup2($pfd, $cfd): $!";
}
}
if (($cfd - 3) > 0) {
$env->{LISTEN_PID} = $$;
$env->{LISTEN_FDS} = $cfd - 3;
}
if (defined(my $pgid = $opt->{pgid})) {
setpgid(0, $pgid) // die "setpgid(0, $pgid): $!";
}
$SIG{$_} = 'DEFAULT' for grep(!/^__/, keys %SIG);
if (defined(my $cd = $opt->{-C})) {
chdir $cd // die "chdir($cd): $!";
}
$old->delset(POSIX::SIGCHLD) or die "sigdelset CHLD: $!";
sigprocmask(SIG_SETMASK, $old) or die "SIG_SETMASK: ~CHLD: $!";
@ENV{keys %$env} = values(%$env) if $env;
exec { $cmd[0] } @cmd;
die "exec @cmd: $!";
}
close $w;
sigprocmask(SIG_SETMASK, $old) or die "SIG_SETMASK(old): $!";
if (my $cerrnum = do { local $/, <$r> }) {
$! = $cerrnum;
die "@cmd PID=$pid died: $!";
}
$pid;
}
sub which {
my ($file) = @_;
return $file if index($file, '/') >= 0;
for my $p (split(/:/, $ENV{PATH})) {
$p .= "/$file";
return $p if -x $p;
}
undef;
}
# returns an AutoReap object
sub unicorn {
my %env;
if (ref($_[0]) eq 'HASH') {
my $e = shift;
%env = %$e;
}
my @args = @_;
push(@args, {}) if ref($args[-1]) ne 'HASH';
$args[-1]->{2} //= $errfh; # stderr default
state $ruby = which($ENV{RUBY} // 'ruby');
state $lib = File::Spec->rel2abs('lib');
state $ver = $ENV{TEST_RUBY_VERSION} // `$ruby -e 'print RUBY_VERSION'`;
state $eng = $ENV{TEST_RUBY_ENGINE} // `$ruby -e 'print RUBY_ENGINE'`;
state $ext = File::Spec->rel2abs("test/$eng-$ver/ext/unicorn_http");
state $exe = File::Spec->rel2abs('bin/unicorn');
my $pid = spawn(\%env, $ruby, '-I', $lib, '-I', $ext, $exe, @args);
UnicornTest::AutoReap->new($pid);
}
# automatically kill + reap children when this goes out-of-scope
package UnicornTest::AutoReap;
use v5.14;
sub new {
my (undef, $pid) = @_;
bless { pid => $pid, owner => $$ }, __PACKAGE__
}
sub kill {
my ($self, $sig) = @_;
CORE::kill($sig // 'TERM', $self->{pid});
}
sub join {
my ($self, $sig) = @_;
my $pid = delete $self->{pid} or return;
CORE::kill($sig, $pid) if defined $sig;
my $ret = waitpid($pid, 0) // die "waitpid($pid): $!";
$ret == $pid or die "BUG: waitpid($pid) != $ret";
}
sub DESTROY {
my ($self) = @_;
return if $self->{owner} != $$;
$self->join('TERM');
}
package main; # inject ourselves into the t/*.t script
UnicornTest->import;
Test::More->import;
# try to ensure ->DESTROY fires:
$SIG{TERM} = sub { exit(15 + 128) };
$SIG{INT} = sub { exit(2 + 128) };
1;
|