Huxley is a screenshots comparison tool developed by Facebook development teams. It is a open source tool and written by Python. It uses Selenium standalone server so you must download and run it before recording and executing your cases. Good thing for the Huxley is that you can record a case with the parameter --record so you can execute some …

huxley_record.json

{  
  "py/object":"huxley.run.Test",
  "screen_size":{  
    "py/tuple":[  
      1024,
      768
    ]
  },
  "steps":[  
    {  
      "py/object":"huxley.steps.ScreenshotTestStep",
      "index":0,
      "offset_time":2365
    },
    {  
      "py/object":"huxley.steps.ClickTestStep",
      "offset_time":5443,
      "pos":[  
        117,
        76
      ]
    },
    {  
      "py/object":"huxley.steps.ScreenshotTestStep",
      "index":1,
      "offset_time":7115
    }
  ]
}

huxley_record.sh

~/P/h/examples (master ⚡=) huxley --record
-------------------------------
Running Huxley file: Huxleyfile
-------------------------------
[home] Running test: toggle
Begin record
Press enter to take a screenshot, or type Q+enter if you're done

1 screenshots taken
Press enter to take a screenshot, or type Q+enter if you're done

2 screenshots taken
Press enter to take a screenshot, or type Q+enter if you're done
q

Up next, we'll re-run your actions to generate screenshots to ensure they are pixel-perfect when running automated. Press enter to start.

Begin rerecord
  Sleeping for 2365.0 ms
  Taking screenshot 0
  Sleeping for 3078.0 ms
  Clicking [117, 76]
  Sleeping for 1672.0 ms
  Taking screenshot 1

Playing back to ensure the test is correct

Begin playback
  Sleeping for 2365.0 ms
  Taking screenshot 0
  Sleeping for 3078.0 ms
  Clicking [117, 76]
  Sleeping for 1672.0 ms
  Taking screenshot 1
Test recorded successfully