mockserver.js

var http = require('http');

http.createServer(function(request, response) {
    var headers = request.headers;
    var method = request.method;
    var url = request.url;
    var body = [];
    request.on('error', function(err) {
        console.log(new Date().toString())
        console.error(err);
    }).on('data', function(chunk) {
        body.push(chunk);
    }).on('end', function() {

        console.log(new Date().toString())
        body = Buffer.concat(body).toString();
        
        console.log(method + " " + url);
        console.log("Headers:\n" + JSON.stringify(headers, null, 2));
        console.log("Body:\n" + JSON.stringify(JSON.parse(body), null, 2));

        //send mock response
        response.on('error', function(err) {
            console.error(err);
        });

        response.statusCode = 200;
        response.setHeader('Content-Type', 'application/json');
        var responseBody = {
            headers: headers,
            method: method,
            url: url,
            body: body
        };

        response.write(JSON.stringify(responseBody));
        response.end();

        console.log("----\n")
    });
}).listen(8081);

console.log("Listening on 8081")