[rspec-users] Fwd: Issue with AR::Base descendants with certain argument

David Chelimsky dchelimsky at gmail.com
Mon Nov 1 08:32:53 EDT 2010

On Mon, Nov 1, 2010 at 9:44 AM, Bira <u.alberton at gmail.com> wrote:
> On Mon, Nov 1, 2010 at 8:55 AM, Alexey Ilyichev <bluesman.alex at gmail.com> wrote:
>> David, I got your point, however I find behavior in version 1.3.1
>> inconsistent. In my opinion, if I stub a method with a certain parameter
>> value, and then call with another value, it should either delegate to
>> original method, return nil, or throw an exception. I'd be happy with either
>> of these. But what it actually does is delegating to the original method in
>> the superclass, which doesn't make sense to me at all.
> <...>
>> And also, it behaved differently in 1.2.9. My original problem arisen after
>> updating to 1.3.1
> I have a similar problem here at work. We use a variant of the
> rails-settings plugin, which stores configuration settings in a DB
> table and relies heavily on a class-level method_missing to fetch
> them. So, for example, you could call Settings.welcome_message and
> expect to get a string back.
> Our specs stub specific methods from this class often, to test how the
> application behaves given different values for them. The stubs work
> properly the first time, but afterwards they somehow go missing.

Can you post a real example of this complete with spec,
implementation, and failure message?


> On
> 1.3.0, this caused the actual method to be called, which is incorrect,
> but went unnoticed as the specs still passed.
> On 1.3.1, due to commit 2753b492e00078c92f9fe3b9e879ea83e3536753, the
> "missing" stub method is now actually called on the superclass, rather
> than on the class itself. So we get lots of failures of the "undefined
> method welcome_message for ActiveRecord::Base".
> I tried to reproduce this on rspec alone, but there things seemed to
> work perfectly. So it looks like rspec-rails plays a part on this as
> well. I'll see if I can reproduce it there.
> --
> Bira
> http://compexplicita.wordpress.com
> http://compexplicita.tumblr.com
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