express-simulate-latency

express.js middleware which simulates network latency. Use when testing local servers to simulate connections to remote servers.

Installing

With npm:

$ npm install j-/express-simulate-latency

Use

var simulateLatency = require('express-simulate-latency');
// use as middleware for all subsequent handlers...
var smallLag = simulateLatency({ min: 100, max: 500 });
app.use(smallLag);
// ...or use as middleware for a specific route
var bigLag = simulateLatency({ min: 1200, max: 3400 });
var callback = function (req, res, next) { /* callback logic */ }
app.get('/bigquery', bigLag, callback);

Syntax

simulateLatency(options)

• options - Optional configuration
  • options.min - Optional minimum wait time. Will use 0 seconds by default.
  • options.max - Optional maximum wait time. Will use the value of options.min by default.

License

MIT license.