[rspec-users] Working outside-in with Cucumber and RSpec

Pat Maddox pergesu at gmail.com
Thu Oct 30 15:31:40 EDT 2008

"David Chelimsky" <dchelimsky at gmail.com> writes:

> On Thu, Oct 30, 2008 at 5:20 AM, Matt Wynne <matt at mattwynne.net> wrote:
>> On 27 Oct 2008, at 16:35, Pat Maddox wrote:
>>> Matt Wynne <matt at mattwynne.net> writes:
>>>> Pat - are you going solo too?
>>> Nope, I'm trying to teach RSpec/BDD to an organization that currently
>>> doesn't use it and has 0% test coverage.  It's interesting, to say the
>>> least.  They're good devs, but even so, the effects of not writing tests
>>> first (or even at all) are painfully evident when trying to get the
>>> codebase under test, and especially to change stuff.  Really puts your
>>> "working effectively with legacy code" chops to work :)
>> :D
>> This reminds me of an argument I was going to make for consistently writing
>> specs as you go, even for apparently very simple controllers. As the
>> controller gets more and more complex, it's hard to know when you've crossed
>> the line into something that needs specs, and when you realise it, it's
>> usually too late.
> I'd agree with this (in spite of my previous comments), and add to it.
> One of the benefits of writing examples is that they actually help to
> expose things that are growing complex. If it's hard to test, it's
> probably hard to change.
> Aslak made a good point earlier this thread with "don't write specs
> just cuz," but perhaps this fact is sufficient "cuz" to motivate.

eh I dunno.  I mean, I completely agree that hard-to-write tests often
expose bad code.  But there isn't any gray area when it comes to
designing Rails controllers, in my opinion.  I see an action that's more
than five lines long and I know it's wrong.  I don't need to write
examples to tell me that.

That said, when teaching someone I suppose it would make sense to use
examples to illustrate that, at least until they develop an aesthetic
appreciation as finely tuned as my own :P


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