On Oct 19, 2008, at 10:31 pm, Caius Durling wrote:
Funny you should post this, I picked up merb today as well (seeing
as the API is finally frozen) and was thinking about posting to see
if anyone else was.
Well, I've done a bit more research (asking around on the Merb list),
and it seems the best practice* in Merbland is to use controller specs
in much the same way as Rails integration tests[1]. While I see the
point that you should test behaviour not implementation, I think that
goes a *little* too far. In short, it's not recommended to do the
equivalent of:
it "should create a new, unsaved person on GET to create" do
Person.should_receive(:new).and_return(@person)
get 'create'
end
There is an API for this though[2], and it was deprecated as of RC1,
but has now apparently been reintroduced.
Lawrence Pit on the merb list explains the syntax:
# ==== Example
# dispatch_to(MyController, :create, :name => 'Homer' ) do
|controller|
# controller.stub!(:current_user).and_return(@user)
# end
And I assume it works similarly with the #get, #post etc. (I have yet
to try it though, and I can't visualise a clean way to write specs
with it.)
Anyway the whole discussion provoked me to crystallise my thoughts on
Ruby web BDD, which I decided to blog[3], and I thought it may be of
interest to people here, in case there's yet a third "right way" of
doing things.
(If anyone finds this of interest, let me know. If so, I might start
an "Adventures in Merb BDD" series - or something - on my blog.)
Ashley
* I've padded up in anticipation of the chair I know Aslak will hurl
when he reads that ;o)
[1] http://www.slideshare.net/wycats/testing-merb-presentation
[2]
http://merbivore.com/documentation/0.9.9/doc/rdoc/merb-core/index.html?a=C00000147&name=RequestHelper
[3] http://aviewfromafar.net/2008/10/20/web-app-bdd-thoughts-as-i-move-to-merb
--
http://www.patchspace.co.uk/
http://aviewfromafar.net/
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