[rspec-devel] should_yield (is it needed?)

Peter Jaros peter.a.jaros at gmail.com
Tue Nov 10 00:34:55 EST 2009

I happen to think that's brilliant.


On Fri, Nov 6, 2009 at 10:43 PM, Martin Emde <martin.emde at gmail.com> wrote:
> I have the code working for this but I wanted an opinion on making a patch.
> I sometimes have the need to expect that a method will yield a block it's
> given. Usually this means something like this:
>     yielded = false
>     subject.method { yielded = true }
>     yielded.should == true
> which is a bit tedious and ugly. My solution might be just as ugly, but I
> wanted to get feedback because it saves that tedious code.
>     subject.method(&should_yield)
> I wrote a few methods, that when called, return an object with #to_proc that
> expects that the proc is called (or not called). I have the following forms
> available fairly simply:
>     subject.method(&should_not_yield)
>     subject.method(&should_yield_with(object))
>     # Expects 3 yields, one with each argument
>     [1,2,3].each(&should_yield_each(1,2,3))
> I think this is a little cleaner and the code is very simple. I wanted to
> get an opinion on whether this is worth making into a patch.
> Martin Emde
> Tw: @martinemde
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