[rspec-users] Argument Non-Matchers

Justin Ko jko170 at gmail.com
Wed Apr 11 03:48:37 UTC 2012

On Apr 9, 2012, at 2:41 PM, Matt Hauck wrote:

> Is there a way to specify a message expectation on an object to occur _without_ a particular argument?
> There is a particular function, which in some special circumstance takes a unique argument, but in normal circumstances does not take this unique argument. I want to say something like this:
> it "should recognize the special state" do 
> obj.set_special_state true
> obj.should_receive(:my_method).with(/special_state/)
> obj.my_method
> end
> it "should operate fine without the special state" do 
> obj.set_special_state false
> obj.should_receive(:my_method).without(/special_state/)
> obj.my_method
> end 
> This does not appear to be possible to set a "non-expectation" on an argument matcher. Is there a way to do this? Or am I just going about this the wrong way?
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Sorry for the late reply. This is what you want:

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