On 8/10/07, Scott Taylor <[EMAIL PROTECTED]> wrote:
>
> On Aug 10, 2007, at 3:43 PM, David Chelimsky wrote:
>
> > On 8/7/07, Scott Taylor <[EMAIL PROTECTED]> wrote:
> >>
> >> I have the following code, which yields instance eval's the block
> >> given:
> >>
> >> class Foo
> >>
> >> def bar(&blk)
> >> instance_eval &blk
> >> end
> >>
> >> def baz
> >> yield
> >> end
> >>
> >> end
> >>
> >> The effect of this is that self is reassigned:
> >>
> >> Foo.new.bar do
> >> # here, self is the instance of Foo
> >> # created by new
> >> end
> >
> > Why not just do this, which is already a language construct?
> >
> > Foo.new.instance_eval { ... }
>
> Maybe a better example would be in place. Consider the following
> from the Autotest plugin:
>
> Autotest.add_discovery do
> "rspec" if File.exist?('spec')
> end
>
> How would you go about testing this?
>
> It's easy enough to test that Autotest receives the method
> add_discovery. But how would you deal with the block?
OK - now I'm starting to see. Concrete examples are always helpful.
I guess there's no mocking framework right now that would solve that
for you. What spec do you *wish* you could write?
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