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package Test::XMultiFork;
use IO::Event;
use IO::Handle;
require POSIX;
use Socket;
require Exporter;
use Time::HiRes qw(sleep);
@ISA = qw(Exporter);
use strict;
use diagnostics;
# server side
my %capture;
my $sequence = 1;
# client side
my $newstdout;
sub dofork
{
my ($pkg, $spec) = @_;
while($spec) {
$spec =~ s/^([a-z])(\d*)// || die "illegal fork spec";
my $letter = $1;
my $count = $2 || 1;
for my $n (1..$count) {
my $pid;
my $psideCapture = new IO::Handle;
$newstdout = new IO::Handle;
socketpair($psideCapture, $newstdout, AF_UNIX, SOCK_STREAM, PF_UNSPEC)
|| die "socketpair: $!";
if ($pid = fork()) {
# parent
sleep(0.1);
$newstdout->close();
Test::XMultiFork::Capture->new($psideCapture, $letter, $n);
} elsif (defined $pid) {
# child
$psideCapture->close();
# we aren't interested in the other filehandles
for my $c (keys %capture) {
$capture{$c}{ie}->close();
delete $capture{$c};
}
$newstdout->autoflush(1);
if (defined &Test::Builder::new) {
my $tb = new Test::Builder;
$tb->output($newstdout);
$tb->todo_output($newstdout);
$tb->failure_output($newstdout);
}
my $fn = $newstdout->fileno();
open(STDOUT, ">&=$fn") || die "redirect stdout: $!";
autoflush STDOUT 1;
return;
} else {
die "Can't fork: $!";
}
}
}
if (IO::Event::loop(5) == 7.3) {
# great
notokay(0, "clean shutdown");
} else {
notokay(1, "event loop timeout");
}
$sequence--;
print "1..$sequence\n";
exit(0);
}
sub notokay
{
my ($not, $name, $comment) = @_;
$not = $not ? "not " : "";
$name = " - $name" unless $name =~ /^\s*-/;
$comment = "" unless defined $comment;
print "${not}ok $sequence $name # $comment\n";
$sequence++;
}
package Test::XMultiFork::Capture;
use strict;
use diagnostics;
sub new
{
my ($pkg, $fh, $letter, $n) = @_;
my $self = bless {
letter => $letter,
n => $n,
seq => 1,
plan => undef,
code => "$letter-$n",
}, $pkg;
$self->{ie} = IO::Event->new($fh, $self, "For $letter$n");
$capture{$self->{code}} = $self;
return $self;
}
sub ie_input
{
my ($self, $ie) = @_;
while (<$ie>) {
chomp;
if (/^(?:(not)\s+)?ok\S*(?:\s+(\d+))?([^#]*)(?:#(.*))?$/) {
my ($not, $seq, $name, $comment) = ($1, $2, $3, $4);
$name = '' unless defined $name;
$comment = '' unless defined $name;
if (defined($seq)) {
if ($seq != $self->{seq}) {
Test::XMultiFork::notokay(1,
"result ordering in $self->{code}",
"expected '$self->{seq}' but got '$seq'");
}
$self->{seq} = $seq+1;
} else {
$self->{seq}++;
}
$comment .= " [ $self->{code} ]";
Test::XMultiFork::notokay($not, $name, $comment);
next;
}
if (/^1\.\.(\d+)/) {
Test::XMultiFork::notokay(1, "multiple plans", $self->{code})
if defined $self->{plan};
$self->{plan} = $1;
next;
}
print "$_ [$self->{code}]\n";
}
}
sub ie_eof
{
my ($self, $ie) = @_;
if ($self->{plan}) {
$self->{seq}--;
if ($self->{plan} == $self->{seq}) {
Test::XMultiFork::notokay(0, "plan followed", $self->{code});
} else {
Test::XMultiFork::notokay(1,
"plan followed $self->{code}",
"plan: $self->{plan} actual: $self->{seq}");
}
}
$ie->close();
delete $capture{$self->{code}};
IO::Event::unloop_all(7.3) unless %capture;
}
package TheTest;
use Test::Simple;
use Time::HiRes qw(sleep);
Test::XMultiFork->dofork("a15");
srand(time ^ ($$ < 5));
import Test::Simple tests => 10;
sleep(0.1) if rand(1) < .3;
ok(1, "one$$");
sleep(0.1) if rand(1) < .3;
ok(2, "two$$");
sleep(0.1) if rand(1) < .3;
ok(3, "three$$");
sleep(0.1) if rand(1) < .3;
ok(4, "four$$");
sleep(0.1) if rand(1) < .3;
ok(5, "five$$");
sleep(0.1) if rand(1) < .3;
ok(6, "six$$");
sleep(0.1) if rand(1) < .3;
ok(7, "seven$$");
sleep(0.1) if rand(1) < .3;
ok(8, "eight$$");
sleep(0.1) if rand(1) < .3;
ok(9, "nine$$");
sleep(0.1) if rand(1) < .3;
ok(10, "ten$$");
sleep(0.1) if rand(1) < .3;
exit(0);
1;
|
