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  1. #1
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    Diff - High Level and Low Level Test cases

    Hi

    This is not an interview question! *smile*


    What is the difference between High Level and Low Level Test cases?

    Would the difference be focussed on Test Data, Expected Results?

    Or do we have other way of looking at it?

    Regards
    Gaurav Pandey
    Regards
    Gaurav Pandey
    http://www.gauravpandey.co.in/

  2. #2
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    Re: Diff - High Level and Low Level Test cases

    I would think of it architecturally, either high level (GUI and UI) and low level (data or logic layer). But without context it's hard to say.
    - M

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  3. #3
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    Re: Diff - High Level and Low Level Test cases

    ISTQB says the difference is that Low Level Test cases includes Test Data, Expected Results and Test Environment.

    Pressman on the otherhand agrees with your philosophy.

    Was wondering if we have any other ways to understand the difference!!
    Regards
    Gaurav Pandey
    http://www.gauravpandey.co.in/

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    Re: Diff - High Level and Low Level Test cases

    I would say high level is mainly user scenario based. E.g. User logs in with insuffient permissions to access Admin page.

    In contrast low level test case for above scenario will detail step by step procedure for test execution ( including of course test data, expected results etc)

    Regards,
    Smita

  5. #5
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    Re: Diff - High Level and Low Level Test cases

    High level Test cases are those which covers major
    functionality in the application (i.e retrive, update
    display ,cancel (functionality related testcases) ,database
    testcases ).
    Low level test cases are those which are related to UI
    related testcases.

    Regards,
    Bala

  6. #6
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    Re: Diff - High Level and Low Level Test cases

    [ QUOTE ]
    High level Test cases are those which covers major
    functionality in the application (i.e retrive, update
    display ,cancel (functionality related testcases) ,database
    testcases ).
    Low level test cases are those which are related to UI
    related testcases.

    Regards,
    Bala

    [/ QUOTE ]

    How utterly senseless to steal terminology used in the same field (software development / CS) and create new meaning... I sure hope your definition is bogus!

    [ QUOTE ]
    I would think of it architecturally, either high level (GUI and UI) and low level (data or logic layer). But without context it's hard to say.

    [/ QUOTE ]

    ...would certainly make much more sense [img]/images/graemlins/smile.gif[/img]

  7. #7
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    Re: Diff - High Level and Low Level Test cases

    May be wrong but in my current company, we refer test scenarios as High Level Test Cases and Detailed test cases as low level test cases

  8. #8
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    Re: Diff - High Level and Low Level Test cases

    High Level Test cases cover the whole application in a broader way. Functionality are not covered in details.

    Low level test cases cover every individual units of code and test cases are generated to test each and every unit in depth.

    Low level testing is more detailed then High level testing.

    Low Level Test Cases:
    1.Unit testing
    2.Integration testing

    High Level Test Cases:
    1. Functional testing
    2. System Testing
    3. Acceptance Testing

  9. #9
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    Re: Diff - High Level and Low Level Test cases

    In the context of just talking about test cases, and not automation code or fixtures..

    You can have high level (aka Scenario based) test cases, and there are low level (GUI tests). The idea is the level at which the test cases are specified.

    Where a high level or Scenario based test case is like a user story. As a customer, I want to do this so I can achieve that. In a low level test case, you'll have actual step by step actions. A low level test case will say: navigate to the new file dialog, enter in the file name, click save. Notice here it doesn't tell you what the user actually wants to do, but says what are the steps involved.

    There are advantages and disadvantages to both. Where high level test cases is easy to map back to requirements, and less costly to keep up-to-date as a living document. A low level test case is easier to hand off for automation or to be tested by a intern or off shore resource who doesn't have product knowledge.
    David Lai
    SDET / Consultant
    LinkedIn profile

  10. #10
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    Re: Diff - High Level and Low Level Test cases

    HI David - I like your views!

    My thoughts!

    We always design a high level test case first. (Not necessarily document)
    We then implement the high level test case into a low level test case. We do this by providing details like - Test Environment, Expected Results, and Test Data.

    For Example
    High Level - Verify that user is able to login with a valid user id and valid password.

    Low Level -

    1. Click on IE, Verify IE is displayed.
    2. In Address, type in gmail.com, Verify gmail login page is displayed
    3. In UID, type in gaurav, verify that gaurav is displayed
    4. In PID, type in Password.123. Verify that **** are displayed.
    5. Click on Sign in. Verify that inbox of gaurav is displayed

    Would this be a good way to understand it?
    Regards
    Gaurav Pandey
    http://www.gauravpandey.co.in/

 

 
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