perf-test.coffee

  webpagetest = require "webpagetest"
  
  gulp.task 'test-perf', ->
    wpt = new webpagetest('www.webpagetest.org', 'APIKEY')
    parameters =
      disableHTTPHeaders: true
      private: true
      video: true
      location: 'Dulles:Chrome'
      login: 'admin'
      password: 'password'

    testSpecs =
      runs:
        1:
          firstView:
            SpeedIndex: 1500
      median:
        firstView:
          bytesIn: 1000000
          visualComplete: 4000

    wpt.runTest 'http://someurl.com', parameters, (err, data) ->
      testID = data.data.testId
      checkStatus = ->
        wpt.getTestStatus testID, (err, data) ->
          console.log "Status for #{testID}: #{data.data.statusText}"
          unless data.data.completeTime
            setTimeout checkStatus, 5000
          else
            wpt.getTestResults testID, specs: testSpecs, (err, data) ->
              console.log "http://www.webpagetest.org/result/#{testID}/"
              process.exit 1 if err > 0

      checkStatus()

perf-test.js

var webpagetest;

webpagetest = require("webpagetest");

gulp.task('test-perf', function() {
  var parameters, testSpecs, wpt;
  wpt = new webpagetest('www.webpagetest.org', 'APIKEY');
  parameters = {
    disableHTTPHeaders: true,
    "private": true,
    video: true,
    location: 'Dulles:Chrome',
    login: 'admin',
    password: 'password'
  };
  testSpecs = {
    runs: {
      1: {
        firstView: {
          SpeedIndex: 1500
        }
      }
    },
    median: {
      firstView: {
        bytesIn: 1000000,
        visualComplete: 4000
      }
    }
  };
  return wpt.runTest('http://someurl.com', parameters, function(err, data) {
    var checkStatus, testID;
    testID = data.data.testId;
    checkStatus = function() {
      return wpt.getTestStatus(testID, function(err, data) {
        console.log("Status for " + testID + ": " + data.data.statusText);
        if (!data.data.completeTime) {
          return setTimeout(checkStatus, 5000);
        } else {
          return wpt.getTestResults(testID, {
            specs: testSpecs
          }, function(err, data) {
            console.log("http://www.webpagetest.org/result/" + testID + "/");
            if (err > 0) {
              return process.exit(1);
            }
          });
        }
      });
    };
    return checkStatus();
  });
});