appium/instruments/example.js

var http = require('http')
  , express = require('express')
  , app = express()
  , path = require('path')
  , server = http.createServer(app)
  , spawn = require('child_process').spawn
  , build = require('./build')
  , fs = require('fs')
  , instruments = require('./instruments')
  , rimraf = require('rimraf');

app.configure(function() {
  app.use(express.bodyParser()); // this is required
  app.use(app.router);
});

var appRoot = path.resolve(__dirname, '../sample-code/apps/TestApp/');
var simApp = path.resolve(appRoot, 'build/Release-iphonesimulator/TestApp.app');

build(appRoot, function(err) {
  if (err) {
    console.log(err);
    process.exit(1);
  }

  app.listen(4723, 'localhost', function() {
    console.log("Instruments REST server running");
    console.log("Launching instruments...");
    var inst = instruments(
      app
      , simApp
      , null
      , path.resolve(__dirname, '../app/uiauto/bootstrap.js')
      , path.resolve(__dirname, '../app/uiauto/Automation.tracetemplate')
    );

    inst.launch(function() {
      inst.sendCommand("mainWindow.textFields()[0].setValue('3');", function() {
        inst.sendCommand("mainWindow.textFields()[1].setValue('5');", function() {
          inst.sendCommand("mainWindow.buttons()[0].tap();", function() {
            inst.sendCommand("mainWindow.staticTexts()[0].value()", function(sum) {
              console.log("Sum should be 8 and is " + sum);
              inst.shutdown(function(traceDir) {
                rimraf(traceDir, function() {
                  process.exit();
                });
              });
            });
          });
        });
      });
    }, function(code) {
      console.log("Instruments exited " + (code === 0 ? "cleanly" : "with code " + code));
    });
  });
});