rspec users - Jan 2013 - How to stub a class inside a module with Mocha in Ruby?

I know there are lot of questions in here around this. I''ve tried all
of
them but none of them works. Basically, I''m trying to stub
TwitterOAuth::Client so my test won''t call the real api every time.

Here''s the bit from TwitterOAuth gem that I use.


module TwitterOAuth
  class Client

    def initialize(options = {})
      @consumer_key = options[:consumer_key]
      @consumer_secret = options[:consumer_secret]
      @token = options[:token]
      @secret = options[:secret]
      @proxy = options[:proxy]
      @debug = options[:debug]
      @api_version = options[:api_version] || ''1''
      @api_host = options[:api_host] || ''api.twitter.com''
      @search_host = options[:search_host] ||
''search.twitter.com''
    end
   ...

    def request_token(options={})
      consumer(:secure => true).get_request_token(options)
    end
end

The request_token is the method I''m trying to stub. And this is what
I''ve done in Sinatra which obviously doesn''t work.


before ''/'' do
   @twitterClient = TwitterOAuth::Client.new(some_params_in_hash)
end

get ''/login'' do
   token = @twitterClient.request_token(callback)
   # do some other checking
end

And here''s my test


it "should login with Twitter and save session" do
   
TwitterOAuth::Client.any_instance.stubs(:request_token).with(callback).returns(fake_token)

    #it''s still going to the real twitter api.

end

I''ve read from somewhere that ruby mixin can be overridden in anywhere.
Clearly, I''m misunderstanding something.

The alternative way is I could wrap the gem again with class and then
stub from the class. Is that a good idea to do?

Please help.

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