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Separation anxiety?

Monday, July 06, 2009
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Labels: Shyam Seshadri

4 comments :

  1. seregaJuly 6, 2009 at 6:46:00 PM PDT

    It depends how complicated the parsing logic is, and whether the POJO was specifically designed for creating the GUI component, or it comes from a completely different package/subproject.
    If the parsing is simply get() operations, and the POJO is just a simple bean that was created to avoid writing constructors with lots of arguments (here is a good discussion on that subject http://googletesting.blogspot.com/2009/02/constructor-injection-vs-setter.html) I don't see anything wrong with this approach. You could even reuse the same POJO across multiple tests. It could be a variation of a Builder pattern, where your POJO is a Builder, and GUI object simply reads fields of the Builder to create itself. And I don't see any violation of the "Law of Demeter". If the POJO is a business object from a different project, written by a different team, or parsing logic is complicated, then your refactoring is very reasonable.

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  2. fqqdkJuly 6, 2009 at 11:13:00 PM PDT

    Not really relevant, but i guess the fifth line of the first snippet has a typo:
    if (this.name = null)
    I think it should be
    if (this.name == null)

    (woo am i a grammernazi yet?)

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  3. Shyam SeshadriJuly 7, 2009 at 11:44:00 AM PDT

    @sergea, The POJO has only gets() and sets(), but the problem is the amount of conditionals in the parsing logic. If it was plain vanilla assignment from one field to the other, then it might not be troublesome. But the minute the parsing logic has to check state, see if something is present, and do something different based on whether it is there or not, it adds a whole layer of complexity, both in the code as well as in your tests.

    Because now, the test has to execute that parsing logic everytime, and that means you have to setup your POJO in a correct state, which means having to know the parsing logic most likely in an intimate way. There is no reason to add that much knowledge when it can be split and completed separately.

    And @fqqdk, you are correct :D. Good catch, and yes you are a grammarnazi now ;)

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  4. SociaTropinJuly 20, 2009 at 5:17:00 AM PDT

    Natural remedies for anxiety

    Stressful life peer pressure, work pressure and family issues leads to anxiety. Anxiety is basically a state of mind where people experience nervousness, fear, panic and a constant sad and depressed mood.

    Deep breathing exercises are excellent for anxiety and many people report positive results from meditation. Some other natural anxiety remedies to look into are St.John's Wort, SAMe, L-Theanine, and Tryptophan.

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