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  1. #1
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    non-testable requirement

    can any one please give me some information about non-testable requirements with examples. and also how could it be changed to make it testable.
    appreciate your time and help.

  2. #2
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    Re: non-testable requirement

    Interview or test coming up?

    How about you start and tell us what you think a non-testable requirement is with an example and how you would go about changing it into a testable requirement...
    Insanity: doing the same thing over and over again and expecting different results

  3. #3
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    Re: non-testable requirement

    I normally wouldn't do this, but I'll throw a bone out there, just this once.

    Classic non-testable requirement: "System must be user-friendly."

    Now I will leave it up to you to tell us why it is not testable and how you would make it testable.

  4. #4
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    Re: non-testable requirement

    "System must be user friendly" - having collected the requirements, the developers develop it as it was stated in their SRS. and the system came out with all the features required. So when a tester does the testing process(being a computer professional), he can skip out many of the user friendliness due to the knowledge over understanding the concepts and the usage of the system. And we 'System user friendliness' testing by simply conduting an acceptance testing by seting up a end user environment and making the end user use the system
    EVERYONE CAN IMPROVE. A PROBLEM OCCURS WHEN SOMEONE BELIEVES THAT EVERYONE ELSE, EXCLUDING THEM, NEED TO CHANGE
    -http://blaze.in

  5. #5
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    Re: non-testable requirement

    Blaze,

    If you leave "System must be user friendly until acceptance" there could be problems. The code changes needed may be very large to correct a problem and then all of the previous testing done for functionality would have to be re-done.

    A good tester will always be able to understand how an application is used by the business and address usability issues during their testing and not pass their work over to someone else.
    Lynne

    I have not failed. I've just found 10,000 ways that won't work" --Thomas Edison

  6. #6
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    Re: non-testable requirement

    Yes ofcourse, but it always happen, that the end user will find atleast a single drawback with the developed solution. I was just telling how to make this "system user friendliness" a testable one.
    EVERYONE CAN IMPROVE. A PROBLEM OCCURS WHEN SOMEONE BELIEVES THAT EVERYONE ELSE, EXCLUDING THEM, NEED TO CHANGE
    -http://blaze.in

  7. #7
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    Re: non-testable requirement

    Well I guess we lost the original questioner (not an unusual occurrence).

  8. #8
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    Re: non-testable requirement

    Moving it to acceptance test does not make it testable. Just moves it to a different area of testing.

    The reason the requirement is untestable is that it is too generic and subjective. If the specifics of exactly what makes a system user friendly are defined to be exact and objective then the requirement becomes testable.
    Lynne

    I have not failed. I've just found 10,000 ways that won't work" --Thomas Edison

  9. #9
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    Re: non-testable requirement

    What about a non testable test step? One of my guys has come up with this:

    'Enter an incorrect reference number'
    An Island of efficiency, surrounded by a sea of incompetence.

  10. #10
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    Re: non-testable requirement

    How long did he think about that one? Isn't that a negative test?

    When you say one of your guys, do you mean one of your test team? or is he your partner who is not a tester?

 

 
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