[rspec-users] RSpec makes me want to write better code

aslak hellesoy aslak.hellesoy at gmail.com
Sat Sep 27 17:32:02 EDT 2008


On Sat, Sep 27, 2008 at 10:32 PM, David Chelimsky <dchelimsky at gmail.com> wrote:
> On Sat, Sep 27, 2008 at 2:29 PM, Mark Wilden <mark at mwilden.com> wrote:
>> On Sat, Sep 27, 2008 at 11:26 AM, Dan North <tastapod at gmail.com> wrote:
>>
>>> It seems these conversations come up time and again because Rails
>>> overloads the idea of "model". In a Rails app the model serves as both your
>>> domain model and your persistence strategy, because of the coupling inherent
>>> in the Active Record pattern.
>>
>> Interesting. This coupling actually brought me to one of my first "a-ha!"
>> moment in Rails (similar to when I first learned about the ++ operator in
>> C). Finally, I thought, I don't have to do anything to set up the
>> butt-simple relationships between models and tables that are found (as you
>> say) in 90% of web apps (and other applications, too). Rails allows models
>> as complicated as you want, and it also allows you to do work in the
>> database when you need to (I know "find_by_sql" is a dirty word, but it
>> allows me to perform pivots on multiple tables of millions of rows, where AR
>> simply could not handle the SQL). But it makes the overwhelmingly common
>> case simple, and I like that.
>> So I've found that this model-db coupling to be a powerful feature of Rails.
>> I know it's saved me a lot of work, because I've had to do it manually so
>> many other times in the last 25 years. If it's not sufficient or appropriate
>> in any particular case, I don't have to use it.
>> I know this view puts me on the wrong side of the contest you speak of
>> (which I frankly didn't even know I'd entered). And yes, using Rails the way
>> I (and many others) do involves trade-offs. But the one trade-off it doesn't
>> require is with TSTTCPW, which is the guiding philosophy in everything I do.
>> I guess this makes me an AR pixie. :)
>
> I *think* Dan means underlying magic code when he uses the word pixie.
>

Dan always says pixies for stuff he doesn't understand. They don't
have pixies in England I think.

Aslak

>> ///ark
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