On 4 Mar 2011, at 05:45, Hedge Hog wrote:
> Hi,
> I'm struggling with something that seems to be simple, and I've not
> had any joy following the RSpec books suggestions (p. 187).
> I'd like to test that a method raises and error when a file is not found.
> I've tried adding this in my example just before I call my method, but
> it never seems to get invoked.
> Pathname.stub(:exist?).and_return(false)
That's stubbing a class method.
exist? is an instance method so you need to stub the specific instance of
pathname that's being used in your object-under-test, rather than the Pathname
class.
>
> The whole example:
>
> it "should raise an error if RVM's install root does not exist" do
> Pathname.stub(:exist?).and_return(false)
> lambda{ B3::Bdd::Helpers.rvm_path}.should
> raise_error(RuntimeError, "File not found:")
> end
>
> Appreciate any tips.
>
> --
> πόλλ' οἶδ ἀλώπηξ, ἀλλ' ἐχῖνος ἓν μέγα
> [The fox knows many things, but the hedgehog knows one big thing.]
> Archilochus, Greek poet (c. 680 BC – c. 645 BC)
> http://wiki.hedgehogshiatus.com
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cheers,
Matt
m...@mattwynne.net
07974 430184
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