[rspec-users] modules and stub

David Chelimsky dchelimsky at gmail.com
Wed May 27 04:46:16 EDT 2009

On Mon, May 25, 2009 at 1:51 AM, Sarah Allen <lists at ruby-forum.com> wrote:
> David Chelimsky wrote:
>> Foo::Bar.stub(:do_something)
> hmm. that's pretty close to where I started.
>> If you stub, for example, do_something on this module, but it turns
>> out that do_something gets added to the module through some dynamic
>> means *after the stub declaration*, the stub declaration will be
>> overwritten and you'll get surprising results. This is not just true
>> of globals - it's true of any methods that appear through the magic of
>> metaprogramming.
> Ah, the joys of dynamic languages.  After further looking at the code, I
> see that the module 'require' is intentionally inside an if, so that it
> will only get loaded as needed.  If I explicitly require file containing
> the module in the spec.rb file, then it works.  I suppose the require in
> the code I'm testing will only have an effect when it's not present in
> the calling code.  Still puzzled why I could call the module before
> without getting a syntax error.

By "before" do you mean in an earlier version of your app or of rspec?
Or do you mean within the app somewhere?

> Thanks so much for your help.
> Sarah
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