[rspec-users] More on collection proxies

David Chelimsky dchelimsky at gmail.com
Wed Jan 24 11:08:52 EST 2007


On 1/24/07, Jay Levitt <lists-rspec at shopwatch.org> wrote:
> David Chelimsky wrote:
> > On 1/24/07, Jay Levitt <lists-rspec at shopwatch.org> wrote:
> >> validates_presence_of is a bad example, because the two methods are
> >> practically interchangeable.  But consider a validation that uses a
> >> regex to verify a legal IP address.  Do you want your specs to repeat
> >> the regex, or do you want to test various legal and illegal IP-address
> >> strings and see what breaks?  To me, it's the second one that's actually
> >> testing the behavior of the application.
> >
> > Another view would be that the Regexp is a separate component that
> > you'd want to test separately from the use of that component. So the
> > test that your model validates_format_of using a Regexp uses the right
> > one and then have other tests just for that Regexp.
> >
> > WDYT?
>
> Hmm.. I can see your argument, but I'm not convinced.  Perhaps more
> experience will convince me :)

FWIW, I'm not convinced either. It was just an idea for the purpose of
discussion.


>
> Jay
>
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