On Mar 24, 2008, at 8:50 PM, Chuck Remes wrote:
> [snip code]
>
> How the heck do I test anything here? I do not see how I can validate
> the behavior of #create_foo or #create_bar without exposing
> @complex_object via a public interface. Those #create_* methods are
> purely for construction and do not return a value. Only #construct
> returns a value which should be the completed object
>
> Is there a transformation to consider to make this more testable?
Just to show I'm not sitting back and waiting for the answer to be
handed to me on a silver platter...
I looked through the rspec specs and found a construction that might
be useful.
In spec/spec/extensions/main_spec.rb we see this:
it "should create an Options object" do
@main.send(:rspec_options).should
be_instance_of(Spec::Runner::Options)
@main.send(:rspec_options).should === $rspec_options
end
In a #before block the @main instance variable was instantiated and a
module was included. I'm assuming #send is used to check the value of
a private accessor.
So I could potentially do something like this:
describe ComplexObjectBuilder, "construction" do
before(:each) do
@builder = ComplexObjectBuilder.new
@builder.foo(control1, val1)
@builder.bar(control2, val2)
end
it "should create a YAObject for #foo" do
@builder.send(:foo).should be_instance_of(YAObject)
end
it "should create a ZObject for #bar" do
@builder.send(:bar).should be_instance_of(ZObject)
end
end
Is this acceptable? I read through the "specs on private methods"
thread and the consensus was this should only be done when there is
*no other option*. Is there another option?
cr
_______________________________________________
rspec-users mailing list
[email protected]
http://rubyforge.org/mailman/listinfo/rspec-users
