example.js

'use strict'

const autocannon = require('autocannon');
let jsf = require('json-schema-faker');

let schema = {
    type: 'object',
    properties: {
        id: -1,
        Info: {
            foo: 'bar',
            zap: 'zah',
            Address: {
                name: 'James',
                street: 'Spear Street',
                number: '125',
                city: 'San Fransisco'
            },
            Dog: {
                type: 'string',
                chance: {
                    weighted: [
                        ['poodle', 'Golden Retreiver', 'Black Lab'],
                        [1, 1, 3]
                    ]
                }
            }
        },
        John: {
            First: 'John',
            Last: {
                type: 'string',
                chance: {'last': {}}
            },
            Friends: {
                type: 'array',
                minItems: 2,
                maxItems: 5,
                items: {
                    First: {
                        type: 'string',
                        chance: {'first': {}}
                    },
                    Last: {
                        type: 'string',
                        chance: {'last': {}}
                    },
                    Age: 52
                }
            }
        }
    },
    required: ['id', 'Info', 'John'],
};

const instance = autocannon({
    headers: {
        'Authorization': 'Bearer dotUZ92uyrjxGhbuy5VpUVqVUPdEZkx86wNlHfgE1LrTtOsxZvkcCqngaUzLgkJGio68KcWMGhtHFhXAd40V6B',
        'Content-Type': 'application/json'
    },
    url: 'https://ingestion-iog7rg5sc3lf.dev.sfdc-matrix.net/streams/teju_endpoint001/teju_ic001/event',
    body: JSON.stringify(schema),
    method: 'POST',
    pipelining: 2,
    duration: 300,
    overallRate: 50000,
    connections: 1000,
    // setupClient: setupClient
}, (err, result) => handleResults(result));

// results passed to the callback are the same as those emitted from the done events
instance.on('done', handleResults)

instance.on('response', handleResponse)

function handleResponse(client, statusCode, resBytes, responseTime) {
    jsf.resolve(schema).then(function (sample) {
        client.setBody(JSON.stringify(sample));
    });
}

function handleResults(result) {
    console.log(result);
}