[rspec-users] How to spec accessing a constant

Scott Taylor mailing_lists at railsnewbie.com
Thu Oct 16 01:47:31 EDT 2008

On Oct 15, 2008, at 4:31 PM, Nick Hoffman wrote:

> Hi guys. One of my methods uses a constant in another method, like  
> this:
> class A
>    def something
>        "foo: #{B::BAR}"
>    end
> end
> When writing the spec for A#something , how would you mock or stub  
> #{B::BAR}, and how would you set an expectation that B::BAR is used?

Just hide the constant behind a method, something like this:

class A
def something; "foo :#{bar}"; end
def bar; B::BAR; end

This allows you to stub the constant, if need be.


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