The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

#!/usr/bin/perl
use strict;
my $loop = IO::Async::Loop->new;
testing_loop( $loop );
my ( $serversock, $clientsock ) = IO::Async::OS->socketpair or
die "Cannot socketpair - $!";
my @received;
my $client = Net::Async::WebSocket::JSON::Client->new(
on_json => sub {
my ( $self, $data ) = @_;
push @received, $data;
},
);
$loop->add( $client );
my $f = $client->connect_handle( $clientsock,
);
$f->on_fail( sub { $f->get } );
my $h = Protocol::WebSocket::Handshake::Server->new;
my $stream = "";
wait_for_stream { $h->parse( $stream ); $stream = ""; $h->is_done } $serversock => $stream;
$serversock->write( $h->to_string );
wait_for { $f->is_ready };
$f->get;
# receive
{
$serversock->write( Protocol::WebSocket::Frame->new( q({"data":"here"}) )->to_bytes );
wait_for { @received };
is_deeply( \@received, [ { data => "here" } ], 'received JSON data' );
undef @received;
}
# send
{
$client->send_json( { response => "here" } );
my $fb = Protocol::WebSocket::Frame->new;
$stream = "";
my $frame;
wait_for_stream { $fb->append( $stream ); $stream = ""; $frame = $fb->next } $serversock => $stream;
is( $frame, q({"response":"here"}), 'sent JSON data' );
}
done_testing;