[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XML As Fall Guy
On Wed, Nov 27, 2013 at 8:20 AM, davep <davep@dpawson.co.uk> wrote:
TDD is a process it cannot solve people problems (neither can any particular database). That is moreso when the people that mandate or are charged with effecting it's use don't understand why it works (or doesn't) and it's limitations. TDD is effectively an approximation algorithm. It uses incrementally developed tests to search the solution space for an optimal solution. Like any other approximation algorithm it is vulnerable to getting stuck in local optima so you don't want to use it for problems that are or should be amenable to an "analytic" solutions. This was illustrated when Ron Jefferies blogged about trying and failing to solve Sudoku with TDD whereas Peter Norvig solved the same problem because he knew and applied an analytic solution. The languages in this community are predisposed to the functional paradigm. Beck himself blogged about not finding TDD a good fit for FP when he tried to apply it to Haskell. https://www.facebook.com/notes/kent-beck/functional-tdd-a-clash-of-cultures/472392329460303 "Management" see it's potential to homogenise software development, I doubt they understand it's limitations. They don't recognise that it grew out of a set of problems that may be peculiar to imperative objective programming and it's not necessarily a universal solution to other types of programming (especially if they are trying to homogenise software development). TDD or any other technique is no more the answer than Oracle or any other database (albeit for different reasons). I'd be amazed if it could be proven to be more effective than any other technique that entailed up-front automated testing. What did Mr Brooks say - No Silver Bullet. At the root of all these are people problems that the industry by design self-perpetuates.
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