[Rails] Re: Re: Re: using test data generators -- valid / invalid d

Hassan Schroeder wrote:
> On Tue, Dec 29, 2009 at 8:32 AM, Marnen Laibow-Koser
> <lists@ruby-forum.com> wrote:
>
>>> That didn't work but got me thinking in a workable direction, thanks.
>>
>> Why didn't it work? �That should be foolproof, unless I screwed up the
>> syntax.
>
>>> User.max(:id) + 10
> NoMethodError: undefined method `max' for #<Class:0x101e8f060>

OK, syntax goof. Sorry.

>
>> Data integrity checking isn't business logic in the usual sense -- and
>> it really is the job of the database.
>
> I'll disagree. In this case, requiring a valid user to be associated
> with
> an object *is* a business decision; tomorrow, I could decide to allow
> anonymous object creation, or anonymous creation in some specific
> circumstances only.

Then you can change your schema at that point. Till then, YAGNI.

>
> Committing a code fix to that effect is a lot better to my thinking than
> requiring everyone involved to make the comparable changes in all
> their DB instances (if it's even possible to handle that logic in the
> DB).

WTF? Don't you use migrations? That's what they're for.

Anyway, crippling your current app because of a future situation that
may not ever occur is extremely bad practice. Develop for what you have
*now*.

Sorry, Hassan. Normally I respect your posts here very much, but in
this case I think you're coming up with increasingly tenuous
justifications for a very bad design decision.

>
> YMMV,
> --
> Hassan Schroeder ------------------------ hassan.schroeder@gmail.com
> twitter: @hassan
>
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Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

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