[rspec-users] Interdependency between RSpec files

David Chelimsky dchelimsky at gmail.com
Wed Nov 14 14:14:03 EST 2007


On Nov 14, 2007 1:07 PM, Glenn Ford <glenn at aldenta.com> wrote:
> Your suggestion put me on the right track.  I looked back to where I
> had I ran into a case where I was trying to stub an instance I
> couldn't get ahold of in the scope of my spec and since I was having
> trouble with some mocha bugs, I resorted to a
> Model.class_eval do
>        alias_method :original_method, :old_method
> end

Try doing that on the instance instead.

model = Model.new

(class << model).class_eval do
  alias_method :original_method, :old_method
end

That way it can't leak to other instances of the same model.

>
> Unfortunately I didn't set the alias back at the end of the spec.
> That was my problem.  Thanks a ton!
>
> Glenn
>
>
> On Nov 14, 2007, at 12:28 PM, Scott Taylor wrote:
>
> >
> > On Nov 14, 2007, at 11:37 AM, Glenn Ford wrote:
> >
> >> I run my suite of tests, one test fails.
> >> I run that one test file, no tests fail.
> >>
> >> Something is carrying over between files and I can't figure out what.
> >> I tracked down the problem to the very line it's occurring on, with
> >> printouts before and after every call to make sure I know exactly
> >> what
> >> is being reached.
> >
> >
> > First of all - make sure you don't have any after(:create) or before
> > (:create) specs.  If an AR object is created in one of these, it *IS
> > NOT* going to be rolled back.
> >
> > You might also try the following:
> >
> > rake db:migrate; rake db:test:prepare
> >
> > Log into mysql (or whatever database) - inspect it to see that no
> > records are present in your test database (if you really aren't using
> > fixtures at all).
> >
> >
> >>
> >> In this spec I have 0 fixtures/mocks/stubs.  The objects in this file
> >> do not live anywhere outside of the file.  This is a model spec and
> >> I'm using all real objects to test it.  In the "before" block I set
> >> up
> >> some models, and in my spec itself I, in each test, make a couple
> >> changes then call a model's save method.  That model has an
> >> "after_create" method which calls a method in a child model that it
> >> has.  It is THIS method which is not being called.  I have printouts
> >> before and after everything, like I said, and the lines before and
> >> after the method call work, which leads me to believe that method IS
> >> getting called.  However I have a "puts 'foo'" at the top of that
> >> method and it doesn't get printed.
> >
> > You might want to try running that one spec with the following
> > snippet stuck into the top of your after_create method:
> >
> > require 'rubygems'; require 'ruby-debug'; debugger;
> >
> > When the spec runs, you will be dropped down into the ruby debugger,
> > so you can inspect what is *actually* going on.  (You will need to
> > know how to use a debugger, and have the ruby-debug gem installed).
> >
> > If that doesn't yield any helpful information, then remove that
> > snippet and put it at the top of the failing test (the first line of
> > the example ("it") block).  Then run the full test suite, and again,
> > you will be dropped down into the debugger.
> >
> > Hope that helps,
> >
> > Scott
> >
> >
> >
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>
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