On Jul 14, 2010, at 4:20 PM, Matt Wynne wrote:
>
> You can do this, by using a test spy to remember the value of foo passed into
> the stubbed constructor and then later comparing it:
>
> let(:foo) { Foo.new }
>
> it "should allocate a helper class Foo" do
> actual_foo = Bar.should_receive(:new) do |the_foo|
> the_foo
> end
> actual_foo.should == foo
> end
>
> Whether you want to do this though, is another question. I think it's a bit
> of an anti-pattern personally. I'd probably let acceptance tests catch
> mistakes in this kind of thing, and concentrate on speccing the interaction
> between Foo and Bar once you've got the instances spun up.
This is an interesting technique. I didn't realize that using the block form of
expectations/matchers returned a value. Thanks for the tip!
cr
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