Open source web testing tool
The future of automated web testing is open source

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Script assistant - philosophy
Things should be made as simple as possible, but not simpler
    - Albert Einstein

The use of recorders in test automation has always been debated . While most experts advocate against the use of recorders for test automation, recorders have stuck around for a while. What makes the recorders a center of such a great opposition from experienced testers ? What is it in recorders that have made them to still stick around ? The answer lies in the way . . .

. . .The WET Script assistant utility offers an innovative solution that lies somewhere in between. We call this as the 'proxied UI' technique. Please note that this is not the same as test recorders that use a http proxy to record the http messages being sent to and from the system under test. WET is a true enduser simulation testing tool and does not use http as the testing mechanism. The script assistant UI comes with the convenience of records, while it overcomes some of their limitations. Using this technique, a draft version of the automated scripts is created by executing the manual tests on a simulated browser. The simulated browser is a UI application that is similar to a web browser in its look and feel but works differently. Using this simulated browser you can connect to an IE browser that is already running on your system and recreate the view of the IE browser. The tester can then instruct this simulated browser to perform various operations which is converted to test scripts . . .

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Object repositories
Browser("title:=bug").check_text txt
Browser("title:=bug").TextField("name:=Name").set xyz
Browser("title:=bug").TextField("name:=Email").set abc
Notice how everything about the object has to be described The Browser's title is 'X', which has a child TextField whose name is 'Y' and so on. Obviously in any application, the same objects will have to be re-used in many places which means that you will have to repeat the same code in every place that you use the object. Consider the second drawback:- Say that the name of the Textfield is modified on a future date from Name to User. This would mean that all the scripts that use this line should change to reflect this. This poses a big maintainability issue . . .
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Bret about WET

Another exciting project that experienced programmers have built using Watir as a platform is WET. WET provides a lot of the features that Watir users have been asking for: a comprehensive logging facility, better support for modal dialogs, and the ability to read test data from Excel. . . .



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Test automation
Myth -
Recorders make test automation easier

The Truth:
They make recording easy
But they also make it easy to create automation that is difficult and expensive to maintain
A recorder can serve as a training device to help you learn . . .

- Courtesy: Star Quality

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Cathedral and the bazaar
  • Every good work of software starts by scratching a developer's personal itch.
  • Good programmers know what to write. Great ones know what to rewrite (and reuse).
  • If you have the right attitude, interesting problems will find you.
- Eric raymond

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WET is a opensource automated web testing tool which uses Watir as the library to drive web pages. WET drives an IE Browser directly and so the automated testing done using WET is equivalent to how a user would drive the web pages. WET extends the scripting abilities of Watir and also offers the convenience of recorders. It is licensed under LGPL and BSD style open source licenses.