How do you test code that uses pipes and sockets?

Testing code that utilizes pipes and sockets can be challenging, but it is essential for ensuring that communication between processes works as expected. Below is a simple example of how to set up a test for a socket communication in Perl.


        #!/usr/bin/perl
        use strict;
        use warnings;
        use IO::Socket;

        # Create a simple server
        my $server = IO::Socket::INET->new(
            LocalPort => 5000,
            Proto     => 'udp',
            Listen    => 1,
            Reuse     => 1
        ) or die "Could not create server: $!\n";

        # Create a client socket
        my $client = IO::Socket::INET->new(
            PeerAddr => '127.0.0.1',
            PeerPort => 5000,
            Proto    => 'udp'
        ) or die "Could not create client: $!\n";

        # Send a message from client to server
        $client->send("Hello, Server!");

        # Accept a connection on the server side
        my $data = "";
        $server->recv($data, 1024);
        print "Received from client: $data\n";

        # Close sockets
        $server->close();
        $client->close();

Testing Pipes Sockets Perl Communication Process IO::Socket Server Client

How do you test code that uses pipes and sockets?

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How do you test code that uses pipes and sockets?

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