Hello,
I'm writing to describe a problem I ran into, and the solution, which
I've already found, for posterity's sake, b/c it took a very long time
to figure out. While I don't consider myself a rails newbie, this does
qualify as a rookie mistake.
I was having an integration test fail because its call to my one of my
app's destroy controller methods did not appear to be firing. Along
the way, I tried renaming destroy to destroy2, and that "solved" the
problem. Except it failed to explain the actual problem.
It turned out that I was mistakenly using 'get' instead of 'post' in
the integration test to trigger the method.
For those of you that haven't run into this yet, the reason this was a
problem is that magic line that scaffolding puts into every
controller, that looks like this:
verify :method => :post, :only => [ :destroy, :create, :update ],
:redirect_to => { :action => :list }
This traps non-post HTTP calls to the listed actions, and redirects
them to a safe action. The purpose of this is to make sure that
(hopefully) all GET requests are non-destructive. This, as you
probably do already know, is to make sure that web crawlers (e.g.
search engines) don't accidentally modify your databases.
In my case, the reason I was using get was that I was equating it to a
simple hyperlink in one of my templates, rather than a submit button
on a form. However, the hyperlink in question was *also* generated by
scaffold, and it (correctly) had :method => :post set, for exactly the
same reason.
Of course scaffolding can't predict what other destructive methods you
might write; technically, you ought to add any destructive method to
this list, and then only call it via a post. I can't wait to find out
how many places I've failed to do that...
HTH someone...
-Avram
"In the beginning, there was nothing. And God said: 'Let there be
light!' And then there was still nothing, but you could see it."
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