[rspec-users] Mocks: expectations vs spying

[Ashley Moran]

Hi again

Ok, so I'm having a little research fling with JavaScript, and I've  
uncovered something I hadn't seen before: "spying".  Basically,  
inspecting mocks after-the-fact, rather than setting expectations  
upfront.

Here are the articles I found:
http://ajaxian.com/archives/mockme-a-new-javascript-mocking-framework
http://blog.johanneslink.net/2008/08/08/ajax-travelogue-part-6-mocking-in-javascript/
http://blog.johanneslink.net/2008/08/09/ajax-travelogue-part-7-mockme/

Does anyone know more about this technique, and its pros and cons vs  
expectation-based mocking as used in RSpec mocks?

Thanks for any info
Ashley

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