Hi Matt,
On Mon, Sep 15, 2008 at 12:28 PM, Matt Wynne <[EMAIL PROTECTED]> wrote:
> It's all gone a bit meta.
> I've started noticing patterns in my specs, where I want more than one class
> to satisfy a specific bunch of behaviours.
> I know I can use it_should_behave_like and this works in simple cases, but I
> want to be able to iterate around an array of values and generate a my bunch
> of it "should ..." specs for each item in the array.
> I know I can do this by going
> describe "the cheese factory"
> [:cheddar, :brie, :lancashire].each do |cheese|
> it "should create a valid piece of #{cheese}" do
> Factory.create(cheese).should be_valid
> end
> it "should create a piece of #{cheese} with valid packaging" do
> ... etc
> end
> end
> ...but what if I want to specify other factories too, all of which conform
> to the it blocks
it blocks == code examples
> I specified above? (e.g. a ToyFactory that creates valid
> toys with valid packaging). How can I factor that spec logic out?
> I tried putting the content of the (do |cheese|) block into a method, but
> ruby doesn't seem to be able to see that method when the describe block
> runs
How are you doing that? Where are you putting the method? How are you
calling it?
> I guess I need to maybe patch it into some RSpec class instead? Or
> put it into a module and include it? Am I going down the wrong lines? is
> there an easier way to achieve this?
Kind of depends on how you want the specs themselves to look. One
approach is to wrap class level methods in a module and extend the
example group with that module. This could, for example, give you
example groups that look like this:
describe CheeseFactory do
extend FactoryExamples
it_should_create :cheddar, :brie, :lancashire
end
describe GameFactory do
extend FactoryExamples
it_should_create :chess, :clue, :mastermind
end
Here's some code (that doesn't do much but actually works) to demonstrate:
http://pastie.org/273290
HTH,
David
> cheers,
> Matt
> ----
> http://blog.mattwynne.net
> http://songkick.com
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