Hi, David,
On 1/10/12 3:41 PM, David Peterson wrote:
>
>
> George,
>
> I think there are two main reasons Concordion helps. Firstly, the
> specifications can be written in plain language, as opposed to a
> restricted set of commands.
Do you really think that Given When and Then creates a burden making it
more difficult for everyone to stay on the same page with the evolving
language?> Secondly (and more importantly) Concordion
> makes a clear distinction between intention and implementation.
> Concordion specifications explain the intention and the fixture
> expresses the implementation.
This is no different from Cucumber.
> In fact, Concordion goes further and breaks the intention into two
> distinct parts: a description of the intention aimed at a business
> reader and a description of the intention aimed at programmers (and
> computers). The latter is the "instrumentation" in the specification.
Having to explicitly call methods within the HTML does not, it seems to
me, make it easier for everyone to stay on the same page. I can imagine
it making it harder to evolve the language, though, as refactoring those
method names and signatures might be a fair amount of work.
> The key thing is that the instrumentation does not express the
> implementation, but the intention. The intention of a test rarely
> changes, but the implementation may, especially as the system is
> evolving. This extra layer of indirection means you can refactor the
> implementation (your made-up language for manipulating the SUT) and the
> Concordion specifications still keep you safe.
I don't understand what you mean here. Or, if I do, I don't see how it's
different from Cucumber.
- George
--
----------------------------------------------------------------------
* George Dinwiddie * http://blog.gdinwiddie.com
Software Development http://www.idiacomputing.com
Consultant and Coach http://www.agilemaryland.org
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