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Re: Classic OOP in Python

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On 17/06/2015 21:39, Marko Rauhamaa wrote:
> Ned Batchelder <ned@nedbatchelder.com>:
>
>> TDD is about writing tests as a way to design the best system, and
>> putting testing at the center of your development workflow. It works
>> great with Python even without interfaces.
>
> I wonder how great it really is. Testing is important, that's for sure,
> but to make it a dogmatic starting point of development is not that
> convincing.
>
> The way it was explained to me was that in TDD you actually don't write
> code to any requirements or design: you simply do the least to pass the
> tests. Thus, say you need to write a program that inputs a string and
> outputs the same string surrounded by parentheses (the requirement), the
> starting point might be this test case:
>
>     - run the program
>     - give it the word "hello" as input
>     - check that the program prints out "(hello)"
>
> The right TDD thing would be to satisfy the test with this program:
>
>     input()
>     print("(hello)")
>
> That *ought* to be the first version of the program until further test
> cases are added that invalidate it.
>
>
> Another interesting ism I have read about is the idea that the starting
> point of any software project should be the user manual. The developers
> should then go and build the product that fits the manual.
>
>
> Marko
>

Awesome, one of the funniest things I've read in years.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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Thread

Classic OOP in Python "Jason P." <suscricions@gmail.com> - 2015-06-17 12:21 -0700
  Re: Classic OOP in Python Skip Montanaro <skip.montanaro@gmail.com> - 2015-06-17 14:38 -0500
  Re: Classic OOP in Python Ned Batchelder <ned@nedbatchelder.com> - 2015-06-17 12:44 -0700
    Re: Classic OOP in Python Marko Rauhamaa <marko@pacujo.net> - 2015-06-17 23:39 +0300
      Re: Classic OOP in Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-06-17 22:07 +0100
      Re: Classic OOP in Python Ned Batchelder <ned@nedbatchelder.com> - 2015-06-17 14:14 -0700
        Re: Classic OOP in Python Laura Creighton <lac@openend.se> - 2015-06-18 00:33 +0200
          Re: Classic OOP in Python Ned Batchelder <ned@nedbatchelder.com> - 2015-06-17 15:55 -0700
        Re: Classic OOP in Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-06-18 11:50 +0100
        Re: Classic OOP in Python Laura Creighton <lac@openend.se> - 2015-06-19 01:01 +0200
        Re: Classic OOP in Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-06-20 23:52 +0100
        Re: Classic OOP in Python Laura Creighton <lac@openend.se> - 2015-06-21 10:26 +0200
      Re: Classic OOP in Python sohcahtoa82@gmail.com - 2015-06-17 14:33 -0700
        Re: Classic OOP in Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-06-17 22:49 +0100
        Re: Classic OOP in Python Laura Creighton <lac@openend.se> - 2015-06-18 00:22 +0200
        Re: Classic OOP in Python Marco Buttu <marco.buttu@gmail.com> - 2015-06-18 11:00 +0200
      Re: Classic OOP in Python Laura Creighton <lac@openend.se> - 2015-06-18 00:09 +0200
      Re: Classic OOP in Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-06-17 23:27 +0100
      Re: Classic OOP in Python Steven D'Aprano <steve@pearwood.info> - 2015-06-18 08:58 +1000
        Re: Classic OOP in Python Cousin Stanley <cousinstanley@gmail.com> - 2015-06-18 08:10 -0700
      Re: Classic OOP in Python Terry Reedy <tjreedy@udel.edu> - 2015-06-17 19:46 -0400
      Re: Classic OOP in Python Chris Angelico <rosuav@gmail.com> - 2015-06-18 10:07 +1000
      Re: Classic OOP in Python "Jason P." <suscricions@gmail.com> - 2015-06-18 04:24 -0700
    Re: Classic OOP in Python "Jason P." <suscricions@gmail.com> - 2015-06-18 04:21 -0700
      Re: Classic OOP in Python Ned Batchelder <ned@nedbatchelder.com> - 2015-06-18 04:54 -0700
    Re: Classic OOP in Python "Jason P." <suscricions@gmail.com> - 2015-06-18 04:22 -0700
  Re: Classic OOP in Python sohcahtoa82@gmail.com - 2015-06-17 14:16 -0700
    Re: Classic OOP in Python Fabien <fabien.maussion@gmail.com> - 2015-06-18 13:03 +0200
      Re: Classic OOP in Python Marko Rauhamaa <marko@pacujo.net> - 2015-06-18 14:25 +0300
      Re: Classic OOP in Python Chris Angelico <rosuav@gmail.com> - 2015-06-18 21:43 +1000

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