Testing Your WebSockets Server
One way to easily test your server is to use the
wscat npm module. wscat is a tool for connecting to and communicating with
a WebSockets server. The module provides a command-line program that
you will use as a chat client.
Open a second terminal
window and install wscat globally. You may need to
run this command with administrator privileges. (If you need a refresher,
refer to Chapter 1.)
npm install -g wscat
When wscat is installed, you are ready to connect to your WebSockets
server.
In the second terminal window, run the command
wscat -c ws://localhost:3001. You should see
the message connected (press CTRL+C to quit) in the second terminal window
and 'client connection established' in the first ...
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